Prosiding Seminar Nasional Ketekniksipilan Bidang Vokasional

PERENCANAAN METODE PELAKSANAAN TANGKI AIR LIMBAH PADA RESORT BAMBU INDAH DI KAWASAN UBUD GIANYAR DENGAN METODE CPM

2025-12-29T02:38:41+00:00

This research focuses on the planning of wastewater tank construction at Bambu Indah Resort, Ubud, Gianyar, using the Critical Path Method (CPM) for project scheduling. The study aims to analyze construction activities, identify the critical path, and calculate the total duration of the project. Data collection was conducted through direct observation, literature study, and field testing including waterproofing tests. The results show that the project requires 48 days for completion with critical activities identified in the preparation and soil backfilling stages. The application of CPM allows project managers to control time, resources, and minimize delays. Waterproofing testing also demonstrated an effectiveness rate of 99.1%, ensuring that the wastewater tank structure is safe against leakage. This research contributes to sustainable construction practices by supporting eco-resorts in maintaining environmental quality.

ANALISIS KORELASI TEKANAN UJUNG SONDIR DAN BORING TERHADAP DAYA DUKUNG PONDASI TELAPAK

2025-12-27T10:48:20+00:00

Rapid development growth necessitates thorough soil investigation to assess foundation bearing capacity, particularly for shallow foundations (footings). This study aims to analyze the correlation between cone penetration test (CPT) tip resistance (qc) values and Standard Penetration Test (N-SPT) results in determining the bearing capacity of shallow foundations. Secondary data from two projects in Bali (Pura Titi Gonggang Access Road and Gianyar Police Headquarters Building) were quantitatively analyzed using a descriptive method with Excel software. The results show a significant empirical correlation between qc and N-SPT with conversion equations N = qc × 0.277 and qc = N / 0.277. This correlation facilitates estimation of soil parameters when only one type of test data is available, supporting more accurate and efficient foundation design. The study contributes to soil bearing capacity evaluation methodologies and serves as a reference for practitioners and academics in civil engineering.

PERENCANAAN PERKUATAN LERENG DENGAN BORE PILE PADA PROYEK PEMBANGUNAN PRIVATE VILLA MRS. TIYA & MR. TOM KEMENUH, GIANYAR, BALI

2025-12-30T16:06:38+00:00

In the private villa construction project of Mrs. Tiya & Mr. Tom Kemenuh, Gianyar, Bali, it was found that the position of the building was facing directly towards the waterfall and the building was made on the edge of the river with a slope that was 11 meters high and a slope that reached 75^o. This study aims to determine the safety factor value of the slope stability of the existing conditions and slopes with bore pile reinforcement. The method used is Bishop's method with GeoStudio software (Slope/W) and Excel manual method. The results show that the existing condition slope has a factor of safety of 1.517 and with a loading of 10 kN/m³ and 20 kN/m³, the SF value decreases to 1.438 and 1.375. For slopes reinforced with bore piles, the safety factor value increased significantly to 1.653. With additional loading of 10 kN/m³ and 20 kN/m³, the safety factor value remained constant at 1.653, indicating that the bore pile reinforcement was able to maintain the slope stability despite the increased load.

PERKUATAN LERENG DENGAN METODE SOIL NAILING (STUDI KASUS: SHORTCUT BATAS KOTA SINGARAJA-MENGWITANI TITIK 7E, KABUPATEN BULELENG, BALI)

2025-12-29T03:13:26+00:00

Road infrastructure development in hilly areas often faces slope stability problems due to excavation and cutting activities, as observed in the Shortcut Batas Kota Singaraja–Mengwitani project at point 7E in Buleleng Regency, Bali. This condition creates landslide potential that can threaten road users’ safety and disrupt transportation connectivity. This study aims to analyze the stability of the existing slope, design reinforcement using the soil nailing method, and evaluate stability changes after reinforcement. The research method applied is quantitative experimental analysis using GeoStudio 2023 (Slope/W) software with the Janbu method. The data analyzed were secondary data from the contractor, including soil investigation results, laboratory tests, and slope geometry. The results indicate that the existing slope has a Safety Factor (SF) of 1.016, which is still at the minimum limit and prone to failure. After applying soil nailing reinforcement with nail lengths varying between 9.5–44 m, the SF significantly increased to 3.239. This proves that the soil nailing design effectively enhances slope stability to meet geotechnical standards.

REVIEW DESAIN PONDASI BORED PILE BERDASARKAN DATA CPT STUDI KASUS PROYEK PEMBANGUNAN MATAHATI RESORT

2025-12-29T02:46:37+00:00

Considering the relevance of the Matahati Resort construction project to the development of tourism in Bali with its unique project location, the author attempts to provide a comprehensive analysis of bored pile foundation planning based on different analysis methods (through manual analysis and using software) and to estimate the costs that will be required for its implementation. To calculate the costs required for bored pile foundation construction in this case study, primary data that has been collected is used, namely a list of material prices, tools, and labor wages, as well as AHSP from the relevant project area. From the bearing capacity data obtained, four types of bored pile foundations are planned based on the axial load of each pile obtained from the structural load analysis using SAP2000. Numerical analysis was performed based on CPT data at three different points. The soil depth selected in this analysis process was 6 meters, taking into account the highest cone value from the CPT graph at the three points. Based on numerical analysis performed using the Meyerhoff method, the highest bearing capacity was obtained with a value of 27. 9 tons from the CPT data at point S2, while the lowest bearing capacity was 10. Based on the analysis, it can be concluded that the bored pile foundation design with the same axial load (converted) is safe. Based on the time requirement analysis conducted using the energy coefficient data Based on the author`'s observations and the bearing capacity analysis that has been carried out, it can be seen that the soil at the project site in this case study is capable of supporting the load of a multi-story building.

ANALISIS CONTRACT CHANGE ORDER TERHADAP WAKTU DAN BIAYA PADA PROYEK PEMBANGUNAN GEDUNG SMPN 7 MENGWI DI KABUPATEN BADUNG

2025-12-31T04:07:53+00:00

This study aims to analyse the impact of Contract Change Orders (CCO) on cost and project duration
in the construction of SMPN 7 Mengwi Building in Badung Regency. During implementation, the project
underwent three change orders due to adjustments in work volume and the addition of new work items
not listed in the initial Bill of Quantities (BOQ). The research method used is descriptive quantitative,
with primary data collected through field observations and secondary data from project documents such
as contract addendums, schedules, and BOQs. The analysis results indicate that CCOs contributed to
increased contract value and extended project timelines. Furthermore, it was found that the main causes
of CCOs were design changes, discrepancies in field conditions, and technical policy adjustments
during project execution. These findings underscore the importance of thorough planning and effective
project control to minimize CCO impacts on overall project performance.

ANALISIS PRODUKTIVITAS DAN BIAYA TENAGA KERJA PADA PEKERJAAN ARSITEKTUR (Studi Kasus Proyek Pembangunan Villa Serenity)

2025-12-28T08:15:56+00:00

Labor productivity and cost are crucial factors that determine the success of a construction project, as they directly impact the schedule and budget efficiency. This study aims to determine the value of labor productivity and the estimated Cost Budget Plan (RAB) for architectural works, based on the Gianyar Regency's Work Unit Price Analysis (AHSP) standards. This research was conducted on the Serenity Villa Development Project, consisting of 11 units in Ubud, Gianyar, by analyzing one representative unit using a quantitative descriptive method based on secondary data. The analysis results show the craftsman's productivity on several key works, such as lightweight brick masonry at 7.69 m²/day, wall plastering at 6.67 m²/day, and skim coating (acian) at 10.00 m²/day. The final results indicate that the total estimated RAB for labor wages for the entire 11-unit project is IDR 1,548,142,976.60, with wall plastering remaining the largest cost-absorbing component (28.5%).

ANALISIS PENERAPAN KESEHATAN DAN KESELAMATAN KERJA (K3) TERHADAP TINGKAT RESIKO KECELAKAAN TENAGA KERJA PADA PROYEK JALAN TOL PROBOLINGGO-BANYUWANGI PAKET 3

2025-12-30T14:38:05+00:00

This study aims to analyze the implementation of Occupational Health and Safety (OHS) in the Probolinggo-Banyuwangi Toll Road Section 3 construction project, focusing on risk identification, worker awareness, and the effectiveness of hazard control hierarchy. The research combines field observations and in-depth interviews with 20 respondents, including field workers, OHS supervisors, and project managers. Primary data was collected through direct monitoring of critical activities (asphalt laying, heavy equipment operation) and PPE compliance, while secondary data included company documents, OHS regulations, and inspection reports. The results reveal five dominant hazard categories: physical (92 dB noise, UV index 9.1), chemical (carcinogenic asphalt fumes at 0.8 µg/m³), biological (malaria vectors, snake bites), ergonomic (REBA score 8-10), and psychological (35% of workers showed clinical stress). PPE compliance varied significantly, from 98% for helmets to 28% for hearing protection, with key barriers being discomfort and low risk perception. Hierarchy of control analysis showed elimination (e.g., electric heavy equipment) and engineering controls (sound barriers, local exhaust ventilation) as most effective, despite cost constraints. Critical findings include OHS training gaps, with 70% of workers stating materials were irrelevant to project-specific risks. Key recommendations include: (1) adopting OHS-friendly technologies (e.g., cold mix asphalt), (2) risk simulation-based training, (3) ergonomic PPE provision, and (4) strengthened supervision per Minister of Manpower Regulation No. 5/2018. This study provides practical contributions for improving OHS management in large-scale infrastructure projects, emphasizing a holistic approach integrating technical, behavioral, and organizational aspects.

ANALISIS KELAYAKAN INVESTASI PEMBANGUNAN UMAH BARINAN VILLA DI DESA TIBUBENENG, KABUPATEN BADUNG, BALI

2025-12-30T16:38:29+00:00

This study aims to analyze the financial feasibility of the Umah Barinan Villa development project in Tibubeneng Village, Badung Regency, Bali. The research evaluates two rental schemes: Scenario I (daily rental) and Scenario II (annual rental with a 10-year contract paid in advance). The analysis methods used include Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), and Break Even Point (BEP). Results show that Scenario I generates an NPV of IDR 15.62 billion, IRR of 32.58%, and BCR of 1.66, with BEP achieved in the sixth year. Scenario II provides total revenue of IDR 38.106 billion received entirely in the first year. With an initial investment of IDR 6.883 billion plus a 10-year property tax of IDR 59.083 million, the project yields a surplus of IDR 31.223 billion. In conclusion, both schemes are financially feasible. The daily rental scheme offers higher long-term profitability, while the annual scheme provides security and immediate return on investment.

ANALISIS FAKTOR RESIKO MANAJEMEN MATERIAL TERHADAP KETEPATAN WAKTU PELAKSANAAN PEKERJAAN PROYEK STRUKTUR ARSITEKTUR PLUMBING PT BLUECROSS MEDIKA INTERNASIONAL

2025-12-29T02:54:22+00:00

This study analyzes material management risk factors affecting project timeliness, focusing on the structural and plumbing works of PT Bluecross Medika Internasional in Sanur, Denpasar. As the largest cost component, material often causes delays when not managed effectively. The research applied a quantitative descriptive method using interviews, questionnaires, and literature review, with 30 project stakeholders as respondents. Data were analyzed through validity and reliability tests and the Analytical Hierarchy Process (AHP). Results indicate that inaccurate scheduling, delivery delays, and weak storage supervision are the dominant risks causing delays. Suggested mitigation includes stronger coordination, supplier control, and regular evaluation of material management.

ANALISIS KINERJA BIAYA DAN WAKTU PELAKSANAAN PROYEK MENGGUNAKAN METODE EARNED VALUE MANAGEMENT (Studi Kasus : Pembangunan Villa Elio Batubolong, Badung Bali)

2025-12-30T22:55:01+00:00

This study aims to analyze cost and schedule performance of the Villa Elio Batubolong construction project using the Earned Value Management (EVM) method. Data applied include Planned Value (PV), Earned Value (EV), and Actual Cost (AC), which are further processed to obtain the Cost Performance Index (CPI), Schedule Performance Index (SPI), Estimate at Completion (EAC), and Estimate to Complete (ETC). The results indicate that the project experienced delays (SPI < 1) and cost overruns (CPI < 1). Moreover, the EAC value exceeded the initial planned budget, suggesting a potential cost deficit. These findings demonstrate that EVM provides a quantitative overview of cost and schedule deviations, and serves as a practical tool for managerial decision-making in construction project control.

ANALISIS STABILITAS LERENG DAN STRATEGI MANAJEMEN BIAYA DALAM PEKERJAAN INFRASTRUKTUR JALAN (STUDI KASUS: RUAS JALAN PAYANGAN, KM. 35)

2025-12-29T03:26:31+00:00

The Payangan road section at KM 35 in Gianyar Regency, located on high ground with cliffs 15–20 m high, experienced a landslide on 25 December 2023, disrupting traffic flow between Denpasar and Kintamani. Slope stability analysis is important to evaluate the potential for landslides and safety factors. Using the GeoStudio Slope/W application with the Bishop, Janbu, and Morgenstern-Price methods, the analysis results showed an average safety factor of 0.75, below the minimum requirement of 1.5, indicating a potential for landslides during an earthquake. After implementing the Soil Nailing method, the safety factor increased to an average of 4.69, while Geotextiles and DPT increased to 3.75 and 2, respectively, supporting a comprehensive risk management strategy.

ANALISIS KERUSAKAN PERKERASAN JALAN DESA SEBUDI BANJAR BADEG KELODAN KECAMATAN SELAT KABUPATEN KARANGASEM MENGGUNAKAN METODE PAVEMENT CONDITION INDEX (PCI)

2025-12-26T14:46:38+00:00

This study was motivated by the severe pavement damage on Desa Sebudi Banjar Badeg Kelodan Road, Selat Sub-district, Karangasem Regency, primarily caused by heavy traffic loads, especially sand-hauling trucks, which compromise road safety and user comfort. The objectives were to identify types of pavement distress, evaluate pavement condition using the Pavement Condition Index (PCI) method, and estimate the required repair costs based on recommended treatments. The research methodology involved a field survey of a 3 km road section divided into 30 segments, visual assessment of pavement distress types and severities, data processing through PCI analysis, and repair cost estimation. The findings indicate predominant damages such as alligator cracking, edge cracking, longitudinal cracking, potholes, depressions, patching, bumps, and corrugation, with the average PCI rating classified as poor to very poor, necessitating overlay and reconstruction treatments. The estimated total repair cost (RAB) reached approximately IDR 6,8 billion for all segments.

ANALISIS PENGARUH CONTRACT CHANGE ORDER TERHADAP BIAYA DAN WAKTU PADA PELAKSANAAN PROYEK PEMBANGUNAN GEDUNG KANTOR PDAM KABUPATEN BADUNG

2025-12-28T03:31:53+00:00

Contract changes or Contract Change Orders (CCOs) are critical issues in construction projects as they can affect project costs and schedules. This occurred in the Office Building Construction Project of the Regional Drinking Water Company (PDAM) in Badung Regency, which underwent three CCOs during the construction process. This study aims to analyze the dominant factors causing CCOs and their impact on project cost and time using a case study approach that combines primary data from in-depth interviews with six project stakeholders and secondary data from contract documents, addenda, budget plans (RAB), time schedules, and shop drawings. The results show that the first CCO was due to discrepancies between drawings and site conditions as well as additions and omissions of work items, the second CCO was caused by work volume changes and design modifications, while the third CCO was solely due to additions and omissions of work items. The contract value increased from Rp25,113,512,652.36 to Rp27,624,863,800.00 or by 10%, including VAT, which remains within the maximum change limit set by Presidential Regulation No. 54 of 2010. The project duration remained 210 calendar days, with shifts only in certain work items

ANALISIS FAKTOR PENYEBAB TERJADINYA COST OVERRUN DAN PENGARUHNYA TERHADAP CASH FLOW PADA PROYEK PEMBANGUNAN BENDUNGAN LAUSIMEME PAKET 1 DELI SERDANG SUMATERA UTARA

2025-12-29T00:15:15+00:00

Large-scale construction projects, such as the development of the Lausuimeme Dam Package 1 in Deli Serdang, North Sumatra, often face serious challenges, particularly related to delays and cost overruns, which directly affect the project’s cash flow. This study aims to identify the causal factors contributing to cost overruns and analyze the extent of their impact on the project’s cash flow. The research method employed is quantitative descriptive, utilizing field observations, interviews, and document reviews from the contractor’s side. The findings indicate that the factors causing cost overruns include public demonstrations due to unresolved land acquisition, fluctuations in material prices, limited labor productivity, weather conditions, and the unavailability of heavy equipment. As a result of these disturbances, the project experienced work stoppages for more than 40 days, leading to continuous indirect cost increases. The most dominant cause of the cost overrun was the unavailability of construction land. Meanwhile, the project’s delayed progress also affected its cash flow condition. The recorded cost overrun reached approximately 5.525% of the total contract value. The study concludes that managing external risks and planning an adaptive cash flow strategy are key to mitigating the impact of cost overruns and maintaining the financial stability of construction projects.

ANALISIS PERSEPSI PENGGUNAAN MATERIAL DAUR ULANG PADA KONSTRUKSI BANGUNAN GEDUNG SEKOLAH SMA NEGERI DI KOTA DENPASAR PADA TAHUN 2024

2025-12-29T01:57:43+00:00

In constructing a balance in a building, certain materials are required, namely recycled materials. The purpose of this study is to identify the dominant factors influencing recycled materials on the quality of projects in the construction of senior high schools in Denpasar City and to analyse the influence of recycled materials on the construction of senior high schools in Denpasar City. This research was conducted using quantitative and qualitative designs. In this study, two types of data were used, namely primary data and secondary data. Primary data: data collected independently by researchers in the field. The results of technical data in the field, documentation, and interviews were analysed to answer the problems in this study. Secondary data: this secondary data was obtained by conducting studies in the library of the Bali State Polytechnic on several references such as books, magazines, newspapers and articles. The data collection method used questionnaires and checklists. The instruments used in this study were stationery, mobile phones and laptops. Data analysis was carried out. Questionnaire data analysis used descriptive statistical methods, the data results were compared as ranking coefficients, then the ranking of each factor was determined by sorting the average values from the highest as ranking 1. Then analyse the recycled materials and sort them from largest to smallest. The results of the study show that the perceptions of the community and construction workers towards recycled materials greatly influence the decision to use these materials in projects, and that positive perceptions of recycled materials can arise when the community and construction workers understand that the use of these materials not only provides economic benefits.

Analisis Kinerja Gedung Villa Solair

2025-12-29T05:12:30+00:00

Pulau Bali merupakan wilayah dengan tingkat aktivitas seismik yang tinggi, sehingga perencanaan dan evaluasi struktur bangunan harus memperhatikan ketahanan terhadap gempa. Penelitian ini bertujuan menganalisis kinerja struktur gedung Villa Solair yang berlokasi di Desa Pererenan, Kabupaten Badung, Bali, terhadap pembebanan gempa berdasarkan ketentuan SNI 1726:2019. Villa Solair terdiri atas tiga unit bangunan dua lantai dengan tambahan rooftop, yang dianalisis menggunakan metode dinamis respons spektrum melalui perangkat lunak SAP2000 v21.2.0. Model struktur direncanakan dengan Sistem Rangka Pemikul Momen Khusus (SRPMK) sesuai kategori desain seismik wilayah tersebut. Analisis difokuskan pada elemen struktur utama berupa kolom, balok, dan pelat lantai. Hasil evaluasi menunjukkan adanya beberapa ketidaksesuaian, seperti tegangan geser yang melampaui batas izin, simpangan antar lantai yang melebihi nilai maksimum, serta kebutuhan tulangan yang melampaui batas desain. Selain itu, perbandingan gaya geser dinamis dan statis tidak memenuhi persyaratan, sehingga diperlukan penerapan faktor skala. Kesimpulan penelitian ini menyatakan bahwa struktur gedung Villa Solair belum sepenuhnya memenuhi kriteria keamanan terhadap beban gempa. Oleh karena itu, disarankan dilakukan perbaikan dimensi elemen struktur, revisi detail penulangan, serta penerapan metode perkuatan seperti beton jacketing atau FRP wrapping untuk meningkatkan kinerja seismik struktur

OPTIMALISASI CASH FLOW MELALUI PENGENDALIAN SUMBER DAYA PROYEK PADA PEMBANGUNAN REHABILITASI GEDUNG AULA SMP NEGERI 2 DENPASAR

2025-12-30T14:11:08+00:00

Cash flow management is one of the crucial aspects in the successful implementation of construction projects. An imbalance in cash flow can disrupt the smooth execution of work and even lead to delays. This study was conducted on the Rehabilitation Project of the SMP Negeri 2 Denpasar Auditorium Building with the aim of calculating the Implementation Budget Plan (RAP), developing a cash flow based on payment system simulations, and analyzing the most effective simulation for maintaining cash flow stability. The RAP value of the project is IDR 972,009,436.00. Five payment simulation scenarios were created based on variations in the timing of material and labor payments, all using the Monthly Certificate (MC) payment system with a 30% advance payment from the total cost. The analysis was carried out by comparing cash flow stability, loan requirements, and monthly expenditure patterns. The results show that Simulation 2, which applies a payment method based on the progress in the time schedule, is the most optimal method as it has a balanced expenditure distribution, avoids large cost spikes at the beginning of the project, and requires relatively low working capital loans compared to other simulations. Therefore, Simulation 2 is recommended as an effective payment strategy to maintain financial stability of the project and minimize the risk of delays due to funding constraints.

ANALISIS FAKTOR FAKTOR YANG MEMPENGARUHI PERMINTAAN PEMBELIAN RUMAH TINGGAL DI DAERAH KEROBOKAN KUTA UTARA BADUNG

2025-12-30T15:37:21+00:00

The growth of the property industry in Bali, particularly in North Kuta Kerobokan, has experienced rapid development in line with the increasing allure of this area as a tourism and investment center. This research aims to analyze the factors influencing the demand for residential home purchases in the region and to identify the most dominant factors affecting purchasing decisions. The research method used is descriptive quantitative, with data collection techniques through questionnaires distributed to 55 respondents, consisting of real estate agents and home buyers in Kerobokan. The data were analyzed using validity tests, reliability tests, and mean ranking methods with the aid of SPSS software. The study shows that there are four main factors influencing the demand for residential home purchases, namely economic conditions, demographic conditions, location conditions, and residential preferences. In the economic condition variable, the most influential indicator is the house price with a mean value of (mean = 3.64). In demographic conditions, the highest indicator is marital status (mean = 4.00) and the number of family members (mean = 3.84). The location condition variable is the most dominant factor, with indicators of cleanliness and environmental quality (mean = 4.22) and availability of public facilities (mean = 4.16) ranked at the top. Meanwhile, in residential preferences, the highest indicators are functional spatial design (mean = 4.18) and the completeness of facilities within the house (mean = 4.15). Overall, the research results indicate that environmental cleanliness, availability of public facilities, and ease of access are the main considerations for consumers before purchasing a house in Kerobokan. This finding is relevant to the characteristics of the Kerobokan area as a rapidly developing residential and tourist area, where prospective buyers tend to consider comfort, investment

Keywords: property demand, residential homes, location factors, Kerobokan

PERBEDAAN DIMENSI DINDING PENAHAN TANAH ANTARA ANALISIS KONVENSIONAL DAN ANALISIS MODIFIKASI Studi Kasus : Efisiensi dan Akurasi Perhitungan Dinding Penahan Tanah Dengan Metode Analisis Modifikasi

2025-12-31T01:54:21+00:00

Infrastructure development in contour areas like Ubud, Bali, requires precise structural planning, especially for retaining walls (DPT) to ensure slope stability and building safety. This study compares the results of DPT planning between conventional analysis methods and modified analysis, focusing on structural dimensions and construction cost efficiency. The conventional method uses a static approach based on Rankine's theory, while the modified method integrates additional variables like soil-structure interaction and groundwater conditions, aided by analysis software. A case study was conducted on the Villa Granada project in Banjar Sembuwuk, Gianyar, Bali. Calculations were performed for stability against overturning, shear, and soil bearing capacity, as well as cost analysis for each method. The results show that the modified method with slimmer structural dimensions still meets structural safety requirements with a safety factor value > 1.5. The base width of the DPT was reduced from 2 meters to 1 meter, significantly impacting material volume reduction and cost efficiency up to 46%. Thus, the modified method is proven to be more efficient and accurate, making it suitable for construction projects in areas with challenging soil conditions.

ANALISIS EVALUASI INVESTASI PABRIK GENTENG PRES BERDASARKAN ASPEK TEKNIS DAN FINANSIAL DI DESA PEJATEN

2025-12-27T01:11:49+00:00

This study evaluates the investment of replacing conventional roof tile pressing machines with hydraulic ones at the UD. Trisna Bali factory. The background for this research is the need to analyze the profitability and risks of investing in new technology. The main objective is to assess the financial feasibility of the machine replacement, calculate the Break-Even Point (BEP), and conduct a sensitivity analysis over a 10-year period. Currently, the factory uses three conventional machines, and it is proposed to replace two of them with one hydraulic machine. The research method involves financial analysis using the Discounted Cash Flow (DCF) approach with indicators such as NPV, AE, BCR, IRR, and PBP, as well as a sensitivity analysis. Non-financial aspects are also considered. The conventional machine has a capacity of 800 rooftiles/day with two workers, while the hydraulic machine (with a capacity of up to 1,250 rooftiles/day) is more efficient despite its higher price. The results show that the investment is financially feasible for both types of machines. The NPV for the conventional machine is Rp 450,496,924.60 and for the hydraulic machine is Rp 564,686,902.33 (at a 6% interest rate). The sensitivity analysis (with a 10% decrease in revenue and a 10% increase in costs, i=12%) also indicates feasibility, with the conventional NPV at Rp 38,928,018 and the hydraulic NPV at Rp 105,405,103. The BEP is reached in 2.5 years

OPTIMALISASI SUMBER DAYA DENGAN METODE RESOURCE LEVELING PADA PROYEK PEMBANGUNAN GEDUNG KANTOR TOWER BERSAMA INDONESIA GRUP, SANUR - BALI

2025-12-28T05:55:07+00:00

Imbalances in labor distribution often cause delays and cost overruns in construction projects[1]. This study aims to optimize labor utilization through resource leveling methods in the construction project of the Gedung Tower Bersama Indonesia in Sanur, Bali. The method used is quantitative descriptive with the assistance of Microsoft Project 2021. The results show a reduction in peak labor demand to a more ideal level that aligns with the maximum capacity available, along with cost savings of Rp138,267,168. Resource leveling has proven effective in enhancing the efficiency of human resource management in construction projects.

STUDI KELAYAKAN INVESTASI PEMBANGUNAN APARTEMEN PURI WOS WADON UBUD DITINJAU DARI ASPEK FINANSIAL

2025-12-29T01:05:42+00:00

The investment feasibility study for the construction of the Puri Wos Wadon Ubud Apartment was carried out to assess the size of investment needs and potential project profits in the strategic area of Ubud, Bali. The development of vertical housing is considered as a solution to land limitations and the increasing demand for commercial value properties and long-term housing. This study aims to analyze the financial feasibility of the project based on economic indicators such as NPV, BCR, IRR, and BEP, as well as examine the sensitivity to changes in key variables. The method used is a case study with a quantitative descriptive approach, through cash flow projections over five years. All units are assumed to be sold in the period, with a financing scheme in the form of a bank loan with 12% interest per annum, as well as taking into account annual project costs and the impact of inflation. The results show that the project requires an investment of IDR 36,177,837,500.00 and is feasible to be implemented with an NPV value of IDR 6,554,703,216.89, BCR of 1.16, IRR of 18.79%, and BEP achieved in the year of 3.09. Sensitivity analysis was conducted on two main variables, namely changes in project costs and benefits, which showed that value shifts in both components directly affected financial feasibility indicators. Therefore, an adaptive financial planning strategy is needed to keep the project profitable in various scenarios.

EVALUASI KELAYAKAN DIMENSI DAN BIAYA ELEMEN STRUKTUR ATAS BETON BERDASARKAN MUTU MATERIAL EKSISTING (Studi Kasus: Konstruksi Villa Serenity Ubud, Gianyar)

2025-12-29T06:19:58+00:00

This study aims to evaluate the feasibility of cross-sectional dimensions and structural costs of reinforced concrete elements in the Villa Serenity construction project based on the existing quality of materials. The evaluated elements include tie beams, columns, and beams, which act as the main load‑bearing components resisting gravity and seismic actions. The in‑situ concrete strength was assessed using the rebound hammer test, while the quality of reinforcing steel was determined through laboratory tensile tests, and then checked against the requirements of SNI 2847‑2019 and SNI 2052‑2017. Structural modeling and internal force analysis were carried out in SAP2000 using load combinations in accordance with SNI 1727‑2020 and SNI 1726‑2019. Structural adequacy was evaluated by comparing the nominal flexural, shear, and axial capacities of each section with the corresponding design internal forces. The results indicate that several tie beams, columns, and beams, particularly on the upper floors, do not satisfy the required design capacity because the actual concrete and steel strengths are lower than the design specifications. These inadequate elements are recommended to be modified through enlargement of cross‑sectional dimensions and adjustment of reinforcement details so that the required strength criteria are fulfilled. A structural Cost Budget Plan (RAB) was then prepared based on the revised work volumes and the 2025 Analysis of Unit Prices (AHSP) for Gianyar Regency, resulting in a total estimated structural cost of approximately IDR 3,173,794,000.00. The findings highlight the importance of verifying existing material properties and re‑evaluating section dimensions before continuing construction, and demonstrate that field‑based evaluation supports the application of value engineering to achieve safer and more economical structural designs

ANALISA JENIS KERUSAKAN JALAN BESERTA PENANGANANNYA DI RUAS JALAN SIBANG-ANGANTAKA

2025-12-30T15:59:22+00:00

The condition of the Sibang-Angantaka road section has suffered extensive damage, including alligator cracking, potholes, and striping, as well as heavy vehicle traffic, making the road difficult to pass and increasing travel time. To address these issues, a PCI analysis is needed to determine the causes of damage on the Sibang-Angantaka road section. The Pavement Condition Index (PCI) is an estimate of road condition using a rating system to indicate the actual condition of the pavement based on reliable and objective data. The results indicate that the PCI values for the three segments are 0, 0, and 10, respectively, indicating the need for repairs. The proposed solution involves using AIC-BC (Asphalt Concrete Base Course) and AIC-WC (Asphalt Concrete Wear Course) pavement materials, with a total cost of Rp. 7,126,317,431.

Keywords: Road Damage Analysis, Pavement Condition Index, Road Damage Handling

ANALISIS KERUSAKAN JALAN MENGGUNAKAN METODE PAVEMENT CONDITION INDEX (PCI) PADA JALAN KALPATARU SORDANG KEC. LENEK, KAB. LOMBOK TIMUR

2025-12-27T12:59:53+00:00

Roads are one of the vital infrastructures in the land transportation system that play an important role in supporting community mobility and logistics distribution. The Kalpataru Sordang Road section in Lenek District, East Lombok Regency, is a flexible-paved district road that is the main route connecting villages and for heavy vehicles to enter and exit from the surrounding mining area (quarry). This condition causes a fairly high level of road damage, so a technical evaluation is needed to determine the right handling strategy. This study aims to identify the types of damage to the road surface, evaluate the level of damage using the Pavement Condition Index (PCI) method, and calculate the estimated repair costs needed based on the analysis results. The method used in this study is a quantitative descriptive approach, with data collection techniques through direct field surveys to observe and measure the type and extent of damage on a 4.6 km road section. This study utilizes two types of data, namely primary data and secondary data. Primary data was obtained through direct observation in the field, which includes visual identification of the type of damage, measurement of damage dimensions (length, width, and depth), recording the location of the damage, and documentation of the existing condition of the road. Meanwhile, secondary data was obtained from related agencies, such as the Public Works and Spatial Planning (PUPR) Department of East Lombok Regency, which includes road section identity data, road geometric data, and information on the Work Unit Price (HSP) which is used as a reference in the analysis of repair cost estimates. The road section was divided into four segments based on the STA (Stationing) distance, and the Corrected Deduct Value (CDV) was calculated to obtain the Pavement Condition Index (PCI) value for each segment. The analysis results showed that the PCI value ranged from 34 to 78, with an average value of 53.25, which is included in the "fair" condition category. Based on the PCI classification, the recommended treatment for all observed sections is patching and overlay work. A cost budget estimate (RAB) was then conducted based on the volume of damage and the type of treatment recommended by the Pavement Condition Index (PCI) method. The total estimated cost of the required overlay repair is Rp825,586,725.64, which includes the cost components of labor, materials (emulsified asphalt and AC-WC), and construction equipment. The results of this study are expected to provide a real contribution in making technical decisions and efficient and sustainable road maintenance policies by the authorities. The results of this research are expected to provide a real contribution in making technical decisions and policies for efficient and sustainable road maintenance by the authorities.

ANALISIS PENERAPAN KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PROYEK VILLA AMINE DI KEROBOKAN BADUNG, BALI

2025-12-29T00:00:25+00:00

Occupational Safety and Health (OHS) is a crucial aspect in the construction industry, given the high potential risk of workplace accidents that can impact worker safety, project smoothness, and even material losses. In a construction project environment, various types of heavy equipment, hazardous chemicals, and dynamic field working conditions are key factors that must be closely monitored. This study was conducted to evaluate the level of understanding and application of OHS principles in construction projects based on the perceptions of OHS implementers and experts, and to identify the most dominant factors causing workplace accidents.This study used a quantitative approach through a survey method using a questionnaire distributed to 30 respondents, consisting of project implementers and OHS experts. The data collected included an assessment of OHS implementation and a classification of potential causes of workplace accidents in the field. The analysis showed that the majority of respondents rated OHS implementation as "Applied," with an average indicator score ranging from 3.0 to 3.5. Meanwhile, the analysis of the accident cause classifications showed that the three main factors—the use of project equipment, hazardous materials, and heavy equipment—all fell into the "Not Occurred" (TT) category, with an overall average score of 1.399. This indicates that the risk of workplace accidents in the surveyed projects is very low and that OHS procedures have been consistently implemented.

Nevertheless, this study also emphasizes the importance of continuous improvement in OHS training, risk evaluation, field supervision, and instilling a safety culture across all levels of the organization. Therefore, the success of OHS implementation depends not only on formal regulations but also on the active involvement of all project stakeholders, from management to field workers. It is hoped that the results of this study can serve as a reference for developing more effective and sustainable OHS policies in the construction industry.

Keywords:

ANALISIS KINERJA RUAS JALAN AKIBAT ON-STREET PARKING DAN SOLUSINYA (STUDI KASUS : JALAN RAYA SEMINYAK, KECAMATAN KUTA, KABUPATEN BADUNG, BALI)

2025-12-29T01:46:37+00:00

The high level of on-street parking activity in densely trafficked tourist areas, which leads to a decrease in road capacity and traffic flow efficiency. The purpose of this research is to calculate the parking index, analyze the degree of saturation under conditions with and without on-street parking, and provide recommendations for improving road performance. The research applies a quantitative approach by collecting primary data through road geometry surveys, traffic volume counts, and side friction observations, as well as secondary data from relevant agencies. The analysis was conducted using the Indonesian Highway Capacity Manual (MKJI, 1997) to determine road capacity, degree of saturation, and level of service. Data were collected over three days (one weekday and two weekends) during three peak periods (morning, midday, and evening). The results show that the parking index for two-wheeled vehicles reached 1.06, exceeding the available parking stalls, while the parking index for four-wheeled vehicles reached 0.75, approaching maximum capacity during peak hours. The presence of on-street parking reduced the level of service to category E; however, when on-street parking was removed, the level of service improved to category C. The impacts of on-street parking include reducing the effective road width, lowering capacity, increasing the degree of saturation, and downgrading the level of service from stable to near-saturated. A suggested solution is to provide off-street parking facilities for vehicles

ANALISIS PERBANDINGAN BIAYA DAN WAKTU ANTARA PENAMBAHAN JAM KERJA DENGAN PENAMBAHAN TENAGA KERJA UNTUK MEMPERCEPAT PROYEK KONSTRUKSI (Studi Kasus : SD Negeri 4 Blahkiuh, Badung)

2025-12-29T04:43:10+00:00

Construction project delays are one of the main challenges in achieving implementation efficiency and cost control. The construction project for SD Negeri 4 Blahkiuh experienced delays due to a shortage of labor and material procurement constraints. This study aims to determine the differences in costs and time resulting from each method and to identify the most effective and efficient acceleration strategies. Therefore, this study was conducted to compare two project acceleration methods: increasing working hours (overtime) and adding labor, using the Time Cost Trade Off (TCTO) approach. The analysis results show that acceleration through the addition of labor results in lower total costs compared to overtime, namely IDR 2,324,798,714.54 (an increase of 2.70%) compared to the cost of 4 hours of overtime, which is IDR 2,349,047,839.17 (an increase of 3.77%). In terms of duration, increasing the workforce can shorten the time by 16 days (8.89%), while overtime can only reduce it by 13 days (7.22%). Based on the scoring results of the three weighted scenarios (duration-cost-balance), the acceleration method with an increase in the workforce of Type 4 is considered the most optimal.

ANALISIS KINERJA PROYEK MENGGUNAKAN METODE EARNED VALUE MANAGEMENT SERTA PENERAPAN FAST TRACKING PADA PROYEK PEMBANGUNAN RSUD SUWITI KABUPATEN BADUNG

2025-12-30T14:04:41+00:00

The construction industry in Indonesia is experiencing rapid growth, marked by an increase in the number of construction projects. However, deviations such as delays and cost overruns frequently occur. Therefore, project performance evaluation standards are needed to control implementation and establish corrective actions in case of deviations. The research method used is a descriptive quantitative approach with Earned Value Management (EVM) analysis techniques, utilizing indicators such as BCWS, BCWP, ACWP, CPI, and SPI. Primary data is obtained from direct observations and interviews, while secondary data comes from project documents such as budget plans, financial reports, and time schedules. Rescheduling of work is done using the Precedence Diagram Method (PDM) to implement a fast tracking strategy. Based on the Earned Value analysis results in the 18th-week report, the Cost Performance Index (CPI) is recorded at 0.99, indicating a cost overrun (cost overrun) due to the CPI value (<1). Meanwhile, the time performance (Schedule Performance Index/SPI) of 0.99 indicates that the project is behind schedule. The estimated cost to complete the remaining work (Estimate to Complete/ETC) is Rp 14,303,307,299, and the time required to complete the remaining work (Estimate to Schedule/ETS) is estimated at 10 weeks and 6 days or equivalent to 76 calendar days. However, with the implementation of fast tracking methods in the form of rescheduling and adding overtime work hours, the project duration can be shortened by 8 days with an additional cost of Rp398,500,787.34. In conclusion, the combination of EVM methods and fast tracking is effective in identifying and addressing cost and time deviations efficiently.

Keywords: Earned Value Management, Fast Tracking, Project Deviation, Cost Performance, Time Acceleration

PERBANDINGAN BIAYA DAN WAKTU PENGGUNAAN PERANCAH BAMBU DENGAN SCAFFOLDING PADA PROYEK VILLA DEMONT SANUR

2025-12-30T15:27:12+00:00

This study aims to analyze the cost and time comparison between the use of bamboo scaffolding and metal scaffolding in the construction project of Villa Demont Sanur. A descriptive quantitative method was used with data collection techniques through field surveys and literature studies. The data were analyzed based on material requirements, labor productivity, material costs, wages, and project duration. The results showed that the use of metal scaffolding is more efficient in terms of both cost and time compared to bamboo scaffolding. The total cost of bamboo scaffolding was Rp19,311,711 with an installation duration of 3 days, while metal scaffolding required only Rp12,125,962 and could be completed in 2 days. Therefore, metal scaffolding is a more economical and practical choice for construction projects that demand high efficiency.

Keywords: Cost, Time, and Worker Productivity

ANALISIS PRODUKTIVITAS ALAT BERAT PEKERJAAN CUT AND FILL DENGAN PENGGUNAAN ALAT EXCAVATOR PADA PROYEK PEMBANGUNAN TAMPAKSIRING NEXA RESORT, GIANYAR, BALI

2025-12-30T16:29:01+00:00

Earthwork cut and fill represents a crucial preliminary phase in construction, where the selection of appropriate methods and heavy equipment plays a significant role in ensuring time and cost efficiency. This study investigates the productivity performance of SY-75C and XE-75GA excavators during cut and fill operations on the Tampaksiring Nexa Resort construction project, Gianyar, Bali. The research methodology combined field observations and structured interviews to collect primary data, including soil characteristics, weather conditions, and terrain, alongside secondary data comprising equipment specifications and project reports. The execution was conducted using a relay method, wherein the SY-75C excavator carried out cutting activities and temporarily deposited the excavated material, after which the XE-75GA excavator transported the material to the designated fill area. Productivity analysis was performed based on bucket capacity, cycle time, and job factors encompassing equipment condition, terrain, weather, operator performance, material properties, and management aspects. The findings reveal that the SY-75C excavator achieved a productivity rate of 20.953 m³/hour with a total cut and fill duration of approximately 413.095 hours (±53 days). Meanwhile, the XE-75GA excavator recorded a productivity rate of 18.416 m³/hour with a hauling duration of approximately 469.721 hours (±59 days). These results highlight the significant influence of equipment type and operational methods on overall earthwork efficiency.

ANALISIS IMPLEMENTASI INTERNASIONAL ORGANIZATION FOR STANDARDIZATION (ISO) 9001:2015 TERHADAP MUTU PEKERJAAN STRUKTUR PEMBANGUNAN PROYEK KONSTRUKSI (Studi Kasus: Proyek Pembangunan Hotel Hilton Garden Inn Extension)

2025-12-31T01:34:37+00:00

Implementation of ISO 9001:2015 in the construction sector often faces various challenges, such as a lack of understanding of standard requirements, limited human resources, and weak management commitment. This study aims to evaluate the implementation of ISO 9001:2015 in the Hilton Garden Inn Extension construction project, specifically focusing on quality management of structural works. The research method used is descriptive qualitative, with data collection techniques including observation, interviews, questionnaires, documentation, and structural work checklists (columns, beams, and slabs). Questionnaire data were analyzed using the Likert scale to measure perceptions regarding the implementation of ISO 9001:2015. The results show that the level of ISO 9001:2015 implementation in this project reached 84.419%, categorized as "very good." The quality assessment of structural works varied between floors; the column work on the first floor scored 74.405%, categorized as "good," while the fifth floor reached 83.028%, categorized as "very good." For beam and slab work, the first floor achieved an average score of 65.116%, and the fifth floor 63.566%, both categorized as "good." The lower quality observed at the beginning of the project was mainly due to limited manpower and a lack of understanding of the quality management system. However, improvements were observed as additional personnel were assigned and regular evaluations were conducted. The main challenges identified in the implementation of this system included limited workforce, restricted project site area, and tight project timeline. Despite these obstacles, the company demonstrated strong commitment by implementing strengthened management strategies and intensive training programs, enabling the effective application of ISO 9001:2015.

SIMULASI PERENCANAAN CASH FLOW TERHADAP RENCANA KEUNTUNGAN PADA PROYEK PEMBANGUNAN SMP N 3 KUTA, BADUNG

2025-12-27T00:37:30+00:00

The growth of the construction industry in Indonesia demands proper financial planning and control for effective and profitable projects. This study analyzes cash flow planning simulations for the RKB Building Construction Project of SMP Negeri 3 Kuta, Badung, using a quantitative descriptive method. The data used are material prices, wages, implementation methods (primary), as well as RAB, unit price analysis, and time schedule (secondary). The analysis is carried out through the preparation of the RAP, calculating project revenue using the Monthly Certificate (MC) system, and simulating several cash flow alternatives. The results show that the total cost of the project RAP is Rp 10,341,764,478.72, while the contract value is Rp 13,234,398,000. Project revenue is calculated based on monthly progress with a 20% down payment and 5% retention, resulting in a net cumulative revenue up to the 6th month of Rp 9,925,798,500. Of the four cash flow scenarios analyzed, the best alternative is the scenario with the MC payment system, a 20% down payment, initial cash of Rp 100 million, and no loans. This alternative is capable of providing a maximum profit of 13.00% (including 2% income tax).

ANALISIS KERUSAKAN JALAN DENGAN MENGGUNAKAN METODE BINA MARGA DAN PAVEMENT CONDITION INDEX (PCI) (STUDI KASUS : JALAN PURA BATU PAGEH, KECAMATAN KUTA SELATAN, KABUPATEN BADUNG)

2025-12-28T04:54:24+00:00

Road damage is a condition where the structural and functional roads are able to provide optimal service to the traffic that crosses the road. In general, road damage is the design life of the road being passed, air checks on the road surface that cannot flow due to poor drainage, excessive repeated traffic loads (overload) which causes the road life to be shorter than planned. The Bina Marga method and the Pavement Condition Index (PCI) are two methods used to assess road surface conditions. This study was conducted with the aim of determining the type and extent of damage that occurred, assessing the condition of the road surface, identifying alternatives for handling and maintaining road damage according to the type and level of damage, and determining the cost of handling the damage. The results of the study showed that the types of damage that occurred were crocodile skin cracks, curling, edge cracks, longitudinal cracks, patches, potholes, grain detachment, and sinkholes. The assessment of road conditions based on the Bina Marga Method, namely the condition of the road included in the periodic maintenance program. Meanwhile, based on the PCI Method, the road condition was found to be moderate.

PERENCANAAN LUAS TULANGAN DAN BIAYA ELEMEN STRUKTUR KONSTRUKSI VILLA SERENITY GIANYAR BERDASARKAN (DIMENSI PENAMPANG BETON, MUTU BETON, DAN MUTU BESI BETON) STRUKTUR EKSISTING

2025-12-29T01:04:58+00:00

Villa Serenity is a villa building that encountered obstacles during its construction phase, resulting in project termination and the building remaining unused. This condition creates the need for an evaluation of the existing structure to assess its feasibility and to formulate a redesign plan that meets strength and safety standards. This study aims to analyze the existing condition of structural elements, evaluate the adequacy of cross-sectional dimensions, concrete strength, and reinforcement steel quality against the design loads, as well as determine the required reinforcement area and construction cost estimation. Primary data were obtained from measurements of structural element dimensions (beams, columns, and slabs) and concrete strength testing using a hammer test, while secondary data included tensile testing of reinforcement steel in the laboratory and the AHSP Gianyar Region for preparing the Bill of Quantities (BoQ). Structural analysis was conducted using SAP2000, with loading based on SNI 1727:2020 and PPIUG 1983, and reinforcement design following SNI 2847:2019. The results show that the existing concrete strength is 17.5 MPa, deformed bar steel has fy = 400 MPa, and plain bar steel has fy = 240 MPa. Several structural elements do not meet the required strength capacity under the design loads, necessitating adjustments to cross-sectional dimensions. The required flexural and shear reinforcement areas vary across borepiles, pilecaps, beams, and columns. The final design was presented in structural drawings, serving as the basis for calculating work volumes and preparing the BoQ, with a total construction cost of structural elements amounting to IDR 2,746,612,000.

ANALISIS BIAYA DAN WAKTU PENGGUNAAN ALAT BERAT EXCAVATOR DAN DUMP TRUCK PADA PROYEK LIGA TENIS ULUWATU (Studi Kasus: Proyek Liga Tenis Uluwatu, Kabupaten Badung, Bali)

2025-12-29T06:04:01+00:00

This study aims to analyze the reinforcement steel requirements and material waste percentage in the Dream Villa construction project in Badung Regency through the application of the Bar Bending Schedule (BBS) method. Waste of reinforcement steel frequently occurs due to improper cutting patterns, suboptimal utilization of leftover pieces, and insufficient fabrication management. This research adopts a descriptive-analytic method with a comparative approach based on secondary data such as structural shop drawings, structural work specifications, and Indonesian standards SNI 2052:2017 and SNI 2847:2013. The analysis process includes identifying reinforcement requirements, preparing cutting patterns using AutoCAD, developing BBS tables, and calculating total length, number of bars, weight, and residual waste. The results indicate significant variations in waste among structural elements. Columns show the lowest waste, with only 0.04% for Ø8 stirrups, while the highest waste occurs in ring beams using D13 bars, reaching 25.75%. Pile caps also exhibit relatively high waste (9–12%), whereas sloofs and beams demonstrate better efficiency with waste ranging from 0.44% to 6.28%, depending on bar diameter. These variations are influenced by structural complexity, cutting length, bar diameter, and fabrication accuracy. Overall, the BBS method provides accurate and structured reinforcement calculations; however, field efficiency strongly depends on fabrication management, including cutting optimization, supervision, and reuse of leftover materials. Effective management can significantly reduce waste and enhance reinforcement steel efficiency in construction projects..

ANALISIS PENGARUH WAKTU KERJA OPERATOR TERHADAP PRODUKTIVITAS ALAT BERAT EXCAVATOR PADA PROYEK INFRASTRUKTUR PABRIK WINE TABANAN, BALI

2025-12-30T14:35:41+00:00

Heavy equipment productivity is a crucial indicator in assessing the efficiency of construction projects. This study aims to analyze the impact of operator working hours on the productivity of excavators in the infrastructure development of a wine factory located in Tabanan, Bali. The project utilized two types of excavators—LIUGONG 920 E and KOBELCO SK 200—with observations conducted over a two-week period. External factors such as site conditions and material types were also considered as influencing variables in equipment performance. The research employed a quantitative descriptive approach, with data collected through field observations, interviews, and documentation. The data were analyzed using productivity calculation methods derived from the Heavy Equipment Management course material (Kadek Adi Suryawan, S.T., M.Si.), aiming to determine the relationship between operator working hours and excavator production volume. The findings revealed specific time periods that significantly affected productivity. The most productive hours were recorded in the morning—specifically the first hour (08:00–09:00)—and after the lunch break, during the fifth hour (13:00–14:00). A decline in productivity was observed approaching midday and late afternoon. These results contribute to more effective planning of operator schedules, with the goal of enhancing excavator efficiency. The study’s insights are expected to serve as a reference for contractors in establishing optimal working hours for heavy equipment operators.

Keywords: Operator working hours, Excavator productivity, Construction project

PRODUKTIVITAS TENAGA KERJA PADA PEKERJAAN ARSITEKTUR DI PROYEK SKY GARDEN 1 APARTEMEN PERERENAN

2025-12-30T15:56:55+00:00

This study aims to analyze labor productivity in finishing work, including wall installation, plastering, and skim coating, on the Sky Garden 1 Apartment construction project in Pererenan, Bali. Labor productivity is a crucial factor in determining the efficiency of time, cost, and work quality on-site. This research used a quantitative descriptive method by conducting direct field observations and using a questionnaire as a supporting instrument. Data were collected through observation of work volume, number of workers, working hours, and interviews with site workers and office staff. The results show the average productivity for wall installation is (30.55 m2), plastering is (76.71 m2), and skim coating is (94.28 m2). Factors affecting labor productivity include the wage system, material availability, and material loading to the site.

Keywords: Labor Productivity, Finishing, Wall, Plastering, Skim Coating

STUDI EKPERIMENTAL KUAT TEKAN BETON f’c 25 MPa DENGAN VARIASI BESTMITTLE

2025-12-30T17:00:56+00:00

This study analyzes the productivity of a batching plant in producing wetmix ready-mix concrete at PT. Sinar Bali Readymix. Ready-mix concrete is widely used in construction due to its guaranteed quality, efficiency, and practicality. The increasing demand for ready-mix concrete requires optimization of the production process, making productivity analysis essential. This research applies both quantitative and qualitative methods with a time study approach to measure the production cycle duration, which includes material weighing, material transfer and mixing, as well as concrete discharge. Data were obtained through direct observation and interviews, and then analyzed to determine productivity for three concrete grades: K125, K300, and K500. The results show that the average cycle times for K125, K300, and K500 are 2.47 minutes, 2.80 minutes, and 2.82 minutes, respectively, with productivity values of 28.30 m³/hour, 28.23 m³/hour, and 28.10 m³/hour. Factors affecting productivity include weather conditions, material and equipment management, operator skills, and equipment condition. These findings are expected to serve as a reference for improving batching plant operational efficiency and as a basis for further research to include additional variables such as operational costs, energy consumption, and raw material efficiency.

OPTIMASI KEBUTUHAN TENAGA KERJA PADA PROYEK PEMBANGUNAN GEDUNG ASRAMA SEKOLAH TINGGI TRANSPORTASI DARAT KABUPATEN BEKASI

2025-12-28T17:09:45+00:00

The construction project of the Dormitory Building for the Land Transportation College in Bekasi Regency consisting of five floors, experienced fluctuations in workforce demand during its execution in 2022. These fluctuations in the upper structure works which accounted for 35.11% of total project scope. These fluctuations resulted in substantial cost overruns, presenting critical budgetary challenges to project execution. This research aims to analyze optimal workforce allocation for upper structure works through dynamic programming methodology to minimize workforce costs while maintaining project efficiency. The research methodology encompassed systematic workforce group calculations, workload leveling, and rigorous dynamic programming optimization to achieve optimal project outcomes. Based on the results on the Optimization of Workforce Dormitory Building for the Land Transportation College in Bekasi Regency it was found that (1) 353 working groups were required with a total cost Rp. 824.264.680,19, (2) post optimization reduction to 338 working groups were required with a total cost Rp. 505.909.355,24, (3) the cost savings achieved through optimization amounted Rp. 318.355.324,93 representing a 38,60% reduction.

STUDI EKPERIMENTAL KUAT TEKAN BETON f’c 25 MPa DENGAN VARIASI BESTMITTLE

2025-12-29T01:40:57+00:00

In modern practice, additives are often added to improve concrete performance in terms of accident prevention, hardening time, and compressive strength. Additives or supplementary materials used in concrete, such as Bestmittle®, function as superplasticisers or water-reducing agents, which can reduce the water requirement in concrete mixtures without compromising workability. The objective of this study is to determine the compressive strength test values of concrete produced with additives at 14 days of age, the effect of varying Bestmittle addition on the compressive strength of concrete with a strength class of f’c 25 MPa, and the optimal percentage of Bestmittle addition that yields maximum compressive strength in the concrete mixture. This study employed an experimental method with testing conducted at the Materials Laboratory of the Study Department Politeknik Negeri Bali. The independent variable used was the percentage reduction in water usage for the mix design, and the dependent variables were the Bestmittle additive percentages used, which were 0.3%, 0.4%, and 0.6%. The results of this study show that the average compressive strength of concrete with a 0.3% Bestmittle content is 25.92 MPa, with a 0.4% Bestmittle content is 29.75 MPa, and with a 0.6% Bestmittle content is 27.99 MPa. The addition of additives can increase the compressive strength of concrete, especially in the early stages (3 days). This research also plays a role in supporting the application of chemical additive innovations in the Indonesian construction industry to be more targeted and have a tangible impact on the quality of construction outcomes. Additionally, the addition of 0.4% Bestmittle additive to the concrete mixture can have a significant effect, resulting in a 19% increase in the planned compressive strength value.

ANALISIS KERUSAKAN PERKERASAN JALAN DI RUAS JALAN RAYA BANDA - JALAN RAYA TIHINGAN MENGGUNAKAN METODE PAVEMENT CONDITION INDEX (PCI)

2025-12-29T03:44:33+00:00

This research was motivated by road damage on the Banda Raya – Tihingan Raya Road section in Klungkung Regency, triggered by heavy traffic loads, affecting the comfort and safety of road users. The objectives of the study were to identify the type of damage, assess the pavement condition using the Pavement Condition Index (PCI) method, and calculate repair costs based on recommended repairs. The research methods included a field survey of a 3-km road section divided into 30 segments, visual observation of the type and extent of damage, data processing using the PCI method, and repair cost analysis. The results showed that the dominant types of damage included alligator cracks, edge cracks, longitudinal cracks, potholes, patches, depressions, and block cracks, with an average PCI value in the poor to very poor category, requiring reconstruction and overlay repairs. The Budget Plan (RAB) calculation indicated a funding requirement of approximately IDR 5.1 billion for all segments.

ANALISIS WASTE MATERIAL PROYEK PADA PEKERJAAN ARSITEKTURMENGGUNAKAN METODE PARETO DAN FAULT TREE ANALYSIS

2025-12-30T13:44:19+00:00

This study aims to analyze the dominant waste materials in the architectural work of the Villa Elio Batu Bolong Canggu project using the Pareto and Fault Tree Analysis (FTA) methods. The primary objective is to identify the types of waste material and the causes contributing to material waste during construction. The research also compares the company’s material coefficients with the national standards (SNI) to evaluate efficiency. The findings indicate that the significant waste cost was due to the overuse of certain materials, particularly lightweight bricks. Additionally, the research identifies various factors, including poor planning, inaccurate measurements, and inefficiencies in material handling, as major contributors to material waste. It is concluded that effective material management, better planning, and accurate measurements can reduce waste and improve project efficiency. These findings contribute to the understanding of material waste in construction and offer recommendations for minimizing waste in future projects

ANALISIS KETIDAKSESUAIAN HASIL PEKERJAAN DAN DAMPAK TERHADAP BIAYA DAN WAKTU PADA PROYEK PEMBANGUNAN MOCK UP MANDARIN ORIENTAL RESORT HOTEL

2025-12-30T15:15:44+00:00

Construction projects often face challenges in the form of nonconformities in work results against technical specifications, which lead to increased costs and extended completion time. This study aims to identify nonconforming work items, analyze their cost and time impacts, and determine the contributing factors to these nonconformities in the Mock-Up Construction Project of the Mandarin Oriental Resort Hotel. The method used is descriptive quantitative, with data collected through field observations, interviews, and surveys. The findings show that nonconformities occurred in structural works, specifically honeycombing in the retaining wall elements and the first-floor columns. The total additional cost due to repair works amounted to IDR 625,554.55 or 0.03% of the total cost of structure works, which was IDR 2,157,380,680. The repair required 3 days, equivalent to 1.095% of the total project duration of 274 days. The main factors causing the nonconformities included non-watertight formwork, suboptimal use of vibrators, limited supporting equipment, and site conditions that were difficult to access. The results of this study are expected to serve as a reference for reducing the risk of work nonconformities in similar construction projects in the future.

Keywords: Work non-conformity, additional cost, execution time, concrete honeycombing, construction management.

ANALISIS PENGARUH PRODUKTIVITAS KERJA TERHADAP KUALITAS, WAKTU DAN BIAYA PELAKSANAAN PEKERJAAN STRUKTUR BETON BERTULANG PADA PROYEK PEMBANGUNAN GEDUNG A SMP NEGERI 1 KUTA SELATAN

2025-12-30T16:25:05+00:00

Labor productivity is one of the key factors in the success of construction projects, as it directly affects quality, time, and cost performance. This study was conducted on the Construction Project of Building A at SMP Negeri 1 Kuta Selatan with the objective of analyzing the influence of labor productivity on work quality, project schedule, and implementation costs. A descriptive quantitative method was employed, using field observations on structural works including columns, beams, and floor slabs. Field productivity data were compared with planned productivity, and their relationships with schedule deviations, labor costs, and work quality were analyzed. The results indicate that field productivity tends to be higher than planned productivity, which positively impacts time and cost efficiency. Meanwhile, work quality was maintained within the specified tolerance limits. Therefore, labor productivity plays a significant role in supporting the achievement of quality, time, and cost targets in construction projects.

Keywords: productivity, cost, time, quality of work results, reinforced concrete structures

ANALISIS KELAYAKAN INVESTASI PEMBANGUNAN BALINESE TROPICAL VILLA DI JALAN RAYA PADONAN, TIBUBENENG, KUTA UTARA, BADUNG, BALI

2025-12-31T01:08:30+00:00

This study aims to analyze the feasibility of investment in the construction of Balinese Tropical Villa on Jalan Raya Padonan, Tibubeneng, North Kuta, Badung, Bali. The research method used is financial feasibility analysis. Financial analysis includes the calculation of Net Present Value (NPV), Internal Rate of Return (IRR), Profitability Index (PI), and Payback Period (PP). The results of the study indicate that this investment has a positive NPV, IRR that exceeds the discount rate, and PI more than one, which indicates that this project is financially feasible. Payback Period also shows a fairly fast return on investment. The results show that the calculation results of the Benefit Cost Ratio (BCR) method obtained a result of 1.3> 1, Net Present Value (NPV) is Rp. 14,769,515,989 (NPV> 0). Payback Period (PBP) From these calculations, it can be seen that the payback period is 12 years 5 months 28 days. Meanwhile, the Internal Rate of Return (IRR) is 10.52%, higher than the required interest rate of 5.50%. Therefore, based on the analysis, the investment in the construction of the Balinese Tropical Villa on Padonan Raya street, Tibubeneng, North Kuta, Badung, Bali, can be declared feasible.

PENGARUH KETERLAMBATAN WAKTU PELAKSANAAN TERHADAP BIAYA PEKERJAAN

2025-12-26T21:59:48+00:00

This research aims to analyze the impact of implementation delays on work costs in the Hilton Garden Inn Extension construction project, Nusa Dua. Project delays are considered one of the most critical issues in construction management as they directly affect cost escalation, quality, and client satisfaction. The study employs the Earned Value Management (EVM) method with a quantitative descriptive approach. Data were collected from project documents, field observations, and interviews with the contractor. The analysis was conducted by calculating performance indicators such as Planned Value (PV), Earned Value (EV), Actual Cost (AC), Schedule Performance Index (SPI), and Cost Performance Index (CPI). The findings reveal that the project experienced a 61-day delay from the initial 150-day schedule, extending the total duration to 211 days. The main causes of the delay include design changes (variation orders), delays in material procurement, and late payments. The SPI values were consistently below 1, indicating poor time performance. Consequently, the project cost increased by Rp 866,120,165, equivalent to 9.7% of the original contract value. The additional costs consisted of direct expenses, project overhead, and unforeseen costs due to the extended duration. The study recommends implementing realistic scheduling, strict material control, and intensive coordination among stakeholders to minimize future risks of delay.

ANALISIS PRODUKTIVITAS DAN EFEKTIVITAS PENGGUNAAN TOWER CRANE PADA PEMBANGUNAN ANTA RESIDENCE CANGGU

2025-12-28T04:11:07+00:00

In construction projects, the time of use of tower cranes is highly dependent on the type of project and the scale of the building. The use of tower cranes in construction projects certainly requires costs that must be calculated. The Anta Residence project is a 5-star hotel apartment construction project divided into 3 blocks or zones, zone 1 consisting of 4 floors with a swimming pool on the roof, zones 2 and 3 consisting of 5 floors. This study was conducted to obtain the amount of productivity, percentage of time effectiveness, operational costs of tower cranes in the construction process of Anta Residence Canggu. This research was conducted at the Construction of Anta Residence Canggu with a research period of 10 months. In this study, primary data was obtained through direct observation in the field. Secondary data was obtained through the administrative process at PT. Anta Group Development. The results of the study are the average productivity of 31 days of observation reached 9,809 Kg / hour, the average time effectiveness was 26.09%, the operational cost of the tower crane per hour was IDR 463,772.89, while the total operational cost with 8 normal working hours reached IDR 115,015,676.72

ANALISIS PRODUKTIVITAS PEKERJAAN BATA PRESS STYLE BALI MENGGUNAKAN METHOD PRODUCTIVITY DELAY MODEL (MPDM) PADA PROYEK GEDUNG POLRESTA DENPASAR

2025-12-29T00:49:06+00:00

Labor productivity plays a crucial role in the success of construction projects, especially in architectural works requiring high precision and aesthetics such as Bali-style press brick installation. This study aims to analyze the productivity of workers in column thickening and penyengker works using the Method Productivity Delay Model (MPDM) and to identify dominant factors affecting productivity loss. The research was conducted on the Denpasar Police Headquarters building project, observing four brick masons over 30 work cycles each. Results show that column thickening work achieved higher productivity compared to penyengker, with a difference of 6% in overall productivity and 3% in productivity without delays. Environmental factors were the most significant contributors to productivity loss (5.491%), followed by material, labor, equipment, and management. These findings highlight the need for better environmental management and material logistics to optimize labor productivity.

PERHITUNGAN KEBUTUHAN BAJA TULANGAN PADA PROYEK VILLA NYANYI 4 DI KABUPATEN TABANAN

2025-12-29T02:50:27+00:00

Accurate planning and calculation of reinforcement steel requirements are essential to ensure structural strength. Through analysis and calculation of reinforcement steel requirements, project implementers can plan material procurement more efficiently, reduce the risk of implementation errors in the field, and ensure safe and economical building structures. The purpose of this study is to identify the methods of reinforced steel work implementation and analyze the reinforcement steel requirements for the Villa Nyanyi 4 project. This study is a quantitative descriptive study. The primary data used consists of reinforcement steel work implementation methods obtained through observation and interviews. The secondary data includes project identification, shop drawings, and material types. Data analysis was conducted by calculating the volume of reinforcement steel work for Foot Plates, pedestal columns, sills, columns, floor slabs, stairs, and structural beams. The research results indicate that the reinforcement steel implementation method begins with site preparation, measurement, and formwork construction, followed by cutting, bending, and assembling the reinforcement steel according to the design drawings. The reinforcement steel is then tied with wire mesh at specified intervals and diameters as per the technical specifications. The calculation of reinforcement steel requirements for the Foot Plate, pedestal columns, footings, columns, stairs, and structural beams in the Villa Nyanyi 4 project are as follows: D13 reinforcing steel totaling 2,304.93 metres or 189 bars with a weight of

2.209,86 kg, and Ø8 reinforcing steel totaling 1,389.37 metres or 161 bars with a weight of 2,680.31 kg. Additionally, for the floor slab work, M6-type wire mesh was used in quantities of 21 pieces, with a total weight of 658.77 kg.

ANALISIS PRODUKTIVITAS DAN EFEKTIVITAS PENGGUNAAN TOWER CRANE PADA PROYEK PEMBANGUNAN RSUD SUWITI DI PLAGA, BADUNG

2025-12-29T05:47:15+00:00

This study aims to analyze the productivity and effectiveness of tower crane usage in the construction project of RSUD Suwiti in Plaga, Badung. Tower cranes are essential heavy equipment in multi-story building construction, yet their operational efficiency is significantly influenced by various technical and managerial factors. The research method employed is descriptive quantitative, with primary data collected through field observations over 14 working days and secondary data obtained from project documentation.The results indicate that the average productivity of the tower crane reached 8,540.33 kg/hour, with the highest productivity recorded at 11,132.22 kg/hour and the lowest at 5,545.82 kg/hour. The average time effectiveness of tower crane usage was 29%, which is categorized as low. This low effectiveness is attributed to high idle time and suboptimal operational coordination on site.This research contributes to the quantitative measurement of heavy equipment performance and can serve as a reference for contractors and project managers to improve tower crane operational efficiency through better planning, routine maintenance, and optimal equipment placement

EVALUASI PELAKSANAAN PROYEK PEMBANGUNAN UNIT SEKOLAH BARU SMK NEGERI 7 DENPASAR DARI ADANYA PEKERJAAN TAMBAH KURANG (VARIATION ORDER) TERHADAP BIAYA DAN WAKTU

2025-12-30T14:27:19+00:00

In construction project implementation, it is expected that all activities will proceed according to the initial plan in terms of cost, time, and quality. However, in practice, projects often face various on-site challenges that require work adjustments. One such adjustment is a variation order (VO). In the New School Unit Construction Project at SMK Negeri 7 Denpasar, a variation order occurred due to an error in the work method—specifically, the integration of the bouwplank with the project safety fence, which resulted in an elevation error on the first floor. This study aims to evaluate the extent of the impact of the variation order on project cost and time. The research method used is descriptive quantitative, utilizing primary data in the form of VO volume and duration obtained through direct observation, as well as secondary data including construction drawings, budget plans (RAB), time schedules, and unit price analyses (AHSP). The results show that the variation order led to an additional cost of IDR 63,668,284.11, representing a 0.675% increase from the initial total budget of IDR 9,432,000,103.86. Additionally, the implementation time increased by 18 days and 4 hours, although this did not affect the overall project duration.

Keywords: VO, Cost, Time, Bouwplank

ANALISIS PERCEPATAN WAKTU TERHADAP BIAYA DENGAN MENGGUNAKAN METODE TIME COST TRADE OFF (TCTO) STUDI KASUS: PEMBANGUNAN PROYEK VILLA LEA 2 PANGKUNG TIBAH, TABANAN

2025-12-30T16:13:10+00:00

Time and cost are the main factors that affect the success of a project. A project is considered successful if it can be completed in a shorter time and at a lower cost without sacrificing the quality of the work results. These challenges are what cause project work to be hampered and not run according to plan. In the construction of the LEA 2 Villa Project, there was a delay caused by inadequate labor. To overcome this problem, innovation was carried out by adding labor. The purpose of this study was to see how much labor was needed and added using the Time Cost Trade Off method. The results of adding 3 and 4 workers to the work that experienced a critical path, had a work acceleration duration of 331 days shortened (9.3%) with the addition of 3 workers and 323 days shortened (11.5%) from the existing duration of 365 days. Meanwhile, the addition of initial costs of Rp1,438,213,994.68 with the addition of 3 workers to Rp1,468,358,429.63 increased (3%) and with the addition of 4 workers to Rp1,473,563,129.00. increased (4%).

Keywords: Time, Cost, Time Cost Trade Off, Labor, Acceleration

ANALISIS STRUKTUR BANGUNAN 4 LANTAI DENGAN SISTEM RANGKA PEMIKUL MOMEN KHUSUS PADA BANGUNAN KLINIK KECANTIKAN BLUECROSS MEDIKA INTERNATIONAL

2025-12-30T16:52:08+00:00

Indonesia is one of the countries with a high level of seismic activity, thus structural design requires special attention to earthquake resistance. This study aims to analyze the structural performance of the Bluecross Medika International Clinic Building in Denpasar using a Special Moment Resisting Frame (SMRF) reinforced concrete system in accordance with SNI 1726:2019. The research was conducted using a quantitative-descriptive approach through 3D structural modeling in SAP2000, with earthquake loads calculated using the response spectrum method. The analyzed parameters include base shear, interstory drift, fundamental period, and modal mass participation. The analysis results indicate that the base shear meets the minimum requirement of 90% of the equivalent static analysis value, interstory drift is within the allowable limit, the fundamental period complies with the SNI requirement, and modal mass participation meets the ≥90% criterion. Therefore, the structural performance satisfies SMRF requirements for high seismic zones, ensuring building safety and occupant comfort.

ANALISIS PENGGUNAAN PONDASI BORE PILE TERHADAP BIAYA DAN WAKTU PADA PEMBANGUNAN VILA NILA RESIDENCE CANGGU

2025-12-27T10:23:24+00:00

Pile foundations have the advantage of being applicable in all locations, are flexible in their implementation, and can be used in narrow areas as well as in densely populated environments. The Villa Nila Residence Canggu construction project is a luxury villa development undertaken by PT. Lombok Karunia Utama as the contractor and PT. Mira as both the consultant and the project owner. This project uses bore pile foundations and is located on Subak Sari Street, Tibubeneng, Canggu, North Kuta, Badung. It occupies a land area of 800 m² with a building area of 430 m². The Villa Nila Residence Canggu development consists of several villa units. However, this research specifically focuses on Villa 14, as its construction site is situated in a swampy area characterized by high water and mud content, which was formerly used as rice paddies by the local community.The main objectives of this research are to analyze the on-site construction methods, execution costs, and construction time. The implementation method used for the bore pile foundation includes: Soil Testing, Bore Point Determination (Surveying), Bore Equipment Setup Preparation, Bore Hole Drilling, Steel Assembly, Water Pumping from the Bore Hole, Spiral Reinforcement Installation, Tremie Pipe Installation, Specimen and Slump Test Creation, Concreting, and Area Cleaning. Based on this method, the total cost for constructing 36 bore pile points with a depth of 5 meters and a diameter of 30 cm is IDR 69,162,429.50, with a construction duration of 14 working days.

RENCANA ULANG STRUKTUR BETON BERTULANG DENGAN STRUKTUR BAJA UNTUK PERBANDINGAN BIAYA PADA PROYEK BANGUNAN GEDUNG SMPN 4 KUTA UTARA

2025-12-28T08:30:29+00:00

Redesigning building structures from reinforced concrete to steel is one of the solutions to improve construction efficiency from both technical and economic perspectives. This study was conducted on the construction project of SMPN 4 Kuta Utara, focusing on analyzing changes in structural element dimensions and comparing the costs between using reinforced concrete and steel as the primary material. The planning process utilized SAP2000 version 22 software and referred to the applicable Indonesian National Standards (SNI). The analysis results showed that replacing concrete with steel led to smaller cross-sectional dimensions, lighter building weight, and shorter construction time due to the use of prefabricated components. Although steel structures have higher unit material costs, the efficiency in execution and reduced labor requirements provide economic advantages. Overall, steel structures are considered superior in terms of construction speed and dimensional efficiency, although careful cost planning is still necessary to ensure the project remains within budget.

EVALUASI PERFORMA TIANG PANCANG BERDASARKAN HASIL UJI PDA PADA PROYEK BMX TRACK BANYUWANGI

2025-12-29T01:26:04+00:00

In the Banyuwangi BMX Track project, there is a Start Hill Building that serves as the starting point for the BMX race. The building has two main parts: the upper structure and the lower structure. In the lower part, there are different types of foundations, one of which is the pile foundation. This study looks at how well the PDA test results match up with calculations done by hand, and it also checks the ways the work was done, which can influence how much time and money are needed. To gather information, they used observation, interviews, and asking for data. The study found that the maximum load the pile foundation can support, based on the PDA test, is 82.3 tons. However, using a direct method, the maximum load is 282.03 tons. The difference in these numbers comes from factors like soil type, weather conditions, and how long the soil has to rub against the pile. For the pile part of the project in the Banyuwangi BMX Track, it took 23 days and cost Rp. 175,979,930. The original plan was to finish in 21 days for Rp. 209,920,000. Even though there was a 2-day delay because of moving equipment and

bad weather, the main contractor still made a profit of Rp. 33,940,070, which is 16.17%.

PENGARUH ON STREET PARKING DAN HAMBATAN SAMPING TERHADAP KINERJA RUAS JALAN (STUDI KASUS : JALAN GAJAH MADA, KABUPATEN TABANAN, BALI)

2025-12-29T03:36:30+00:00

The rapid growth of vehicle numbers and high commercial activity on Jalan Gajah Mada, Tabanan Regency, has led to increased use of road space for parking (on-street parking). This phenomenon negatively impacts traffic performance, particularly in terms of road capacity, traffic flow speed, and level of service. This study aims to analyze parking characteristics and compare road segment performance with and without the presence of on-street parking and roadside friction. The research uses a quantitative method, with primary data collected through field surveys including traffic volume, road geometry, and parking characteristics. Data were analyzed using the 1997 Indonesian Highway Capacity Manual (MKJI) to calculate road performance indicators such as capacity, free-flow speed, degree of saturation, and level of service. The results show that the highest parking activity occurred during the afternoon, with motorcycle accumulation reaching 490 vehicles and light vehicles reaching 124 vehicles on weekdays. The highest parking index reached a value of 1.17, indicating that parking demand exceeded the available parking capacity. Road performance significantly declined due to on-street parking, with road capacity decreasing from 3601.42 (without parking) to 2273.83 (with parking), and free-flow speed (for light vehicles) dropping from 55.66 km/h to 44.19 km/h. The degree of saturation increased by 37%, from 0.81 (without parking) to 1.19 (with parking), indicating that the road was operating under congested conditions at Level of Service F.

EVALUASI WAKTU PELAKSANAAN DAN FAKTOR KETERLAMBATAN PADA PROYEK PEMBANGUNAN PRASARANA PENGENDALIAN BANJIR TUKAD JINAH KABUPATEN KLUNGKUNG

2025-12-30T13:23:44+00:00

The Flood Control Infrastructure Project at Tukad Jinah, Klungkung Regency, is a strategic infrastructure initiative aimed at mitigating seasonal flood risks. However, during its execution, the project experienced delays from the original schedule. This research aims to evaluate the project’s time performance and identify the main factor contributing to the delays. The methods used include the Critical Path Method (CPM, and Precedence Diagram Method (PDM) to analyse the work network and project duration estimates. The analysis shows that the optimal project duration is 202 calendar days, while the actual implementation took 236 calendar days, resulting in a deviation of 34 days. The dominant causes of delay include unstable site conditions, structural design changes, a shortage of skilled labor, and adverse weather conditions. The findings are expected to serve as a reference for more effective project time planning and control in the future.

EVALUASI TINGKAT KESESUAIAN PELAKSANAAN PEKERJAAN STRUKTUR DENGAN SPESIFIKASI TEKNIS DAN DAMPAKNYA TERHADAP BIAYA PADA PROYEK KONSTRUKSI PRIVATE RESIDENCE DI KEMENUH – GIANYAR

2025-12-30T15:15:52+00:00

This study aims to evaluate the level of conformity of structural work implementation with technical specifications and its impact on costs in a private residential construction project in Kemenuh, Gianyar. The project was carried out by PT. Wayan Konstruksi with a duration of 457 days and a cost of Rp. 23,579,853,511.02. The issues raised are the identification of structural work items that do not comply with technical specifications, calculating the percentage of compliance, analyzing the additional costs incurred, and the factors causing the non-compliance. The scope of the study covers structural work such as bore pile foundations, pile caps, continuous foundations, pedestal columns, columns, beams, floor slabs, and roof trusses. Data analysis used a fishbone diagram to determine the factors causing the non-compliance. The percentage of compliance in the implementation of structural work was mostly achieved, but there were still deviations that resulted in additional costs of IDR 14,984,672.87, namely in the masonry work for the stone foundation and the floor slab reinforcement work. When compared to the total value of the Structural Cost Estimate (RAB) of Rp 2,482,583,870.45, the percentage of additional costs due to this rework is 0.60% of the total RAB for structural work.

Keywords: Structural Work, Technical Specifications, Additional Cost, Construction Project, Fishbone Diagram.

PENGARUH AKTIVITAS PASAR ANYAR TERHADAP KINERJA RUAS JALAN DIPONEGORO SINGARAJA

2025-12-30T16:12:20+00:00

This study analyzes the influence of Pasar Anyar activity on the performance of Jalan Diponegoro in Singaraja, which is a vital route and center of economic activity. High market activity on certain days causes a significant increase in vehicle volume and side barriers, thus reducing the level of road service. This study aims to identify traffic characteristics, measure side barriers due to market activity, and evaluate road performance both with and without market activity. The methods used include field surveys to collect primary data (traffic volume, speed, density, side barriers) and analysis using the MKJI 1997 approach. The results show that the highest traffic volume occurs on Monday mornings at 2,304.6 pcu/hour, with an average speed of 46.2 km/hour and the highest density of 35.5 pcu/km. Side barriers reach the 1.009,5 SF/Hour Very High category when the market is active, and 451,9 SF/Hour Medium when the market is not active. The value of the degree of saturation (DS) when the market is active is 1,05 (Level F) and decreases to 0.58 (Level C) when the market is not active. Thus, market activity has been shown to significantly impact road performance degradation. This study contributes to more effective transportation planning in downtown areas.

Keywords: Pasar Anyar, Diponegoro Street, Traffic Congestion, Road Performance, Side Friction, MKJI 1997.

ANALISIS KELAYAKAN INVESTASI PEMBANGUNAN VILLA JONA 2 NUSA PENIDA

2025-12-31T00:53:00+00:00

This study aims to evaluate the investment feasibility of developing Villa Jona 2 in Nusa Penida from a financial aspect. The analysis methods used include Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), Annual Equivalent (AE), Break Even Point (BEP), and Discounted Payback Period (PBP). Data were obtained through observations, interviews, and documentation related to construction costs, annual operations, and income projections. The analysis results show that this investment project generates a positive NPV of Rp 1.248.341.647, an IRR of 14,617%, a BCR of 1.19, and a payback period (PBP) of 8,03 years. Sensitivity analysis shows that the project remains viable even with an increase in construction costs or a decrease in occupancy rates. Therefore, the development of Villa Jona 2 can be classified as a feasible and financially profitable investment in supporting tourism development in the Nusa Penida area.

ANALISIS KEBUTUHAN BESI TULANGAN STRUKTUR BERDASARKAN OPTIMALISASI WASTE MATERIAL DENGAN MENGGUNAKAN METODE BAR BENDING SCHEDULE

2025-12-26T15:34:28+00:00

Materials are a major component in construction projects which are always related to project costs. One of the materials that has a considerable cost value is reinforcement. Reinforcement often experiences waste in every project, so it is necessary to carry out more detailed planning in order to get optimal iron needs. This study aims to determine the need for reinforcement, waste reinforcement, and the percentage of waste reinforcement that occur. The study method used is quantitative descriptive. Data analysis was carried out using the Bar Bending Schedule method calculated on the work of the basement structure and the 1st floor of the Sumitra Hotel and Resort Project. From the results of the analysis, it was found that the total amount of needs was 76,475.90 kg and waste was 1,516.90 kg. The cost of necessities is IDR 744,519,530.80 while the cost of waste is IDR 14,767,536.17. The waste percentage obtained was 1,98%, which is smaller than the waste tolerance in SNI of 5%.

EVALUASI PERENCANAAN MANAJEMEN SUMBER DAYA MATERIAL PADA PROYEK PEMBANGUNAN VILLA LEA-E2

2025-12-28T03:40:36+00:00

Material management planning consists of material requirements, material costs and material quality so that by carrying out good sorting and planning it can achieve the final project goals with efficient resources and maximum results on cost, quality and time. Improper management implementation will have an impact on many things such as cost overruns, time delays and quality discrepancies. Therefore, this study aims to evaluate material management planning and create material requirements planning, material procurement and material control systems on projects by examining the case of the construction of the lea-e2 tabanan villa. The evaluation was carried out starting from planning to select materials in accordance with the RAB, calculating material requirements, scheduling material requirements, material procurement schedules and material control systems. From the data analyzed using quantitative descriptive analysis where the results of the analysis produced cost deviations that occurred between material requirements planning and the realization of material requirements in the field experienced a cost depreciation of Rp. 220,208,271.88, - where in the initial material planning of Rp. 1,649,932,140, - and in the realization in the field of Rp. 1,429,723,868,-. The material procurement planning for the LEA-E2 Tabanan Bali Villa Development Project is planned in full based on material requirements analysis, material procurement planning and project material waste analysis. So that from the project material procurement planning, material ordering flow planning, material receipt, material expenditure, material quality control and material cost control and initial material cash flow planning of Rp. 1,649,932,140,- and the realization in the field of Rp. 1,429,723,868,- are obtained.

OPTIMALISASI CASH FLOW TERHADAP PROFITABILITAS PELAKSANAAN PROYEK KONTRUKSI (Studi Kasus Proyek Pembangunan Gedung Kantor SMK Negeri 7 Denpasar)

2025-12-29T00:42:23+00:00

Construction projects require proper management of cash flow and the Implementation Budget Plan (RAP) to ensure smooth execution and profitability. This study aims to determine the RAP value and existing cash flow of the Office Building Construction Project of SMK Negeri 7 Denpasar, as well as to select the optimal cash flow policy alternative. The research method is a case study using primary data from material price surveys, equipment, labor wages, interviews, and secondary data from the contractor, including the Bill of Quantity (BoQ), project schedule, technical specifications, and working drawings.

The results show that the RAP value is IDR 8,439,099,848. The existing cash flow without additional working capital, using a payment system based on installments without advance payment and monthly credit payments for materials, resulted in a net profit of IDR 695,401,098 (7.37% margin). Among fifteen alternatives, the 15th policy proved to be the most optimal, requiring working capital of IDR 320,000,000 (5% of the contract value), with a 30% down payment through a monthly certificate payment system, one-month credit payments for materials, and without bank loans, thus increasing profit to IDR 988,939,008.50 (10.48% margin). This study recommends a cash flow strategy that utilizes advance payments, optimizes working capital, and applies material credit payments to enhance project efficiency and profitability.

EVALUASI PENGGUNAAN MATERIAL BESI DENGAN METODE BAR BENDING SCHEDULE PADA PEKERJAAN STRUKTUR BETON BERTULANG

2025-12-29T01:58:31+00:00

In reinforced concrete structural works for buildings, a high amount of reinforcement steel material is required; therefore, its usage must be carefully and accurately calculated to ensure optimal material control. The purpose of this research is to determine the total requirement of reinforcement steel material and the percentage of waste material using the Bar Bending Schedule method in the Hilton Garden Inn Extension project. The method used is a comparative analysis approach. The data analysis was carried out by calculating the requirement and waste of reinforcement steel material. The analysis results show that the reinforcement steel requirement consists of 1176 bars of ø8 with a weight of 5550.40 kg, 2253 bars of D10 with a weight of 18,697.19 kg, 3284 bars of D13 with a weight of 39,586.99 kg, 1546 bars of D16 with a weight of 27,616.14 kg, 662 bars of D19 with a weight of 16,575.07 kg, and 1270 bars of D22 with a weight of 41,403.30 kg. The total requirement of reinforcement steel material for all reinforced concrete structural works is 149,429.1 kg. From the waste calculation, the average percentage of reinforcement steel waste for all reinforced concrete structural works is 4.64%.

ANALISIS PENGARUH ADANYA JB SCHOOL TERHADAP KINERJA RUAS JALAN IMAM BONJOL

2025-12-29T05:32:18+00:00

Jalan Imam Bonjol is one of the main roads in Denpasar City that has experienced increased traffic volume, especially during peak hours. The presence of JB School along this road contributes to additional vehicle activity, particularly during student drop-off and pick-up times, which disrupts traffic flow. Traffic becomes unstable and vehicle speeds decrease due to increased side friction. This study aims to analyze the performance of the road segment affected by JB School by measuring traffic volume, road capacity, free flow speed, degree of saturation, and level of service. In addition, a solution simulation is conducted to evaluate the impact of improvement scenarios on road performance. The method used is a descriptive quantitative approach based on the Indonesian Highway Capacity Manual (IHCM) 1997. Primary data were collected through traffic volume surveys and side friction observations. The analysis was carried out in two directions (towards Kuta and towards Denpasar) under two conditions: school days and non-school days. The solution simulation involved lane widening and rerouting school access points. The analysis results show that on school days (Monday), the highest degree of saturation was 0,85 with level of service E towards Kuta, while towards Denpasar it reached 0,72 with level of service C. On non-school days (Sunday), the degree of saturation decreased to 0,27–0,54, with improved service levels of B and C. The solution simulation showed an average reduction in the degree of saturation of 12%, along with at least a one-level improvement in service level.

IMPLEMENTASI VALUE ENGINEERING UNTUK OPTIMALISASI BIAYA DAN WAKTU PELAKSANAAN PADA PEKERJAAN ARSITEKTUR (Studi Kasus: Proyek Pembangunan Gedung Ruang Kelas Baru SMP N 3 Kuta, Badung, Bali)

2025-12-30T14:17:41+00:00

The development of the construction sector in Indonesia is increasingly gaining attention, particularly in its implementation, which often faces challenges such as cost overruns. One example is the Construction Project of the New Classroom Building at SMP N 3 Kuta, Badung, Bali. To minimize potential losses, a Construction Management study was conducted using the Value Engineering method. This approach aims to find the best alternatives in architectural work items that have a high potential for cost inefficiency, without reducing the function and quality of the building, so that the budget can be used more efficiently.

This study applies Value Engineering through five stages: information, creative, analysis, development, and recommendation. In the creative stage, material substitutions were made for five architectural work items, namely screed work, wall finishing, ceiling, and window/door frames. The analysis results showed that Alternative III was the best choice, with the main priority being cost savings, reaching Rp 257,101,525.74 or 29.51% of the total existing cost of Rp 871,286,742.22. In addition, the project duration was shortened from 75 days to 69 days. Therefore, Alternative III is deemed feasible to propose as a replacement for the original design.

Keywords: Value Engineering, Five Phase Job Plan, Construction, Cost Estimate, Implementation Time

OPTIMALISASI BIAYA PROYEK MELALUI PENDEKATAN VALUE ENGINEERING (Studi Kasus: Pekerjaan Arsitektur Proyek Pembangunan Apartment Premier Global Development Berawa)

2025-12-30T16:12:59+00:00

Cost control is an essential aspect of construction project management, considering the frequent occurrence of waste due to excessive material usage, unskilled labor, delays in completion, and repeated design revisions. Other factors, such as poor coordination, material delays, and inappropriate work methods, also reduce cost efficiency. This study applies a value engineering approach to architectural works to optimize costs without compromising the functional quality of the building. Work alternatives were identified through functional analysis and evaluation of existing materials and methods based on four criteria: cost, construction time, implementation method, and material availability. Alternative selection was carried out using the zero-one decision matrix method to determine the best choice. The results show that the alternative with the highest index value provided significant cost efficiency, particularly in wall masonry, door leaf installation, and painting works, achieving a total saving of 12.26% or IDR 1,473,966,232.72. The use of more economical materials still met technical standards and improved the overall cost efficiency of the project.

Keywords: Value Engineering, Construction, Zero-One, Architectural Works

ANALISIS PRODUKTIVITAS WAKTU DAN BIAYA OPERASIONAL PENGGUNAAN ALAT BERAT EXCAVATOR PADA PROYEK PEMBANGUNAN GEDUNG BARU SMA NEGERI 9 DENPASAR

2025-12-30T16:43:13+00:00

This study aims to optimize the productivity and operational costs of using excavator heavy machinery in the construction project of the New Building of State Senior High School 9 Denpasar. In large-scale construction projects, the use of heavy equipment is crucial for accelerating and facilitating the execution of tasks. Therefore, an in-depth analysis of heavy machinery usage is necessary to optimize the time and costs of project implementation. The research methods include direct field observations, interviews with operators and project implementers, as well as relevant document studies. The research stages encompass the collection of data on equipment specifications, operator data, work methods, cycle times for excavation and precast concrete installation, scheduling, job factors, and the project budget plan (RAB). The analysis results indicate that the operation of a single unit of SANY SY75C excavator requires a cost of Rp91,262,599.68, with a total completion duration of 28 calendar days. This study emphasizes the importance of productivity and operational cost analysis in construction projects to enhance implementation efficiency.

ANALISIS KELAYAKAN INVESTASI ALAT BERAT EXCAVATOR PADA PERTAMBANGAN PASIR

2025-12-27T01:22:10+00:00

The surge of tourists in Bali has led to the development of sustainable tourism facilities that have an impact on improving the local economy. The demand for sand is increasing rapidly due to the construction of hotels, villas, and infrastructure, so its availability needs to be supported by adequate facilities, such as excavator heavy equipment. The purpose of this study was to determine the productivity of excavator equipment in sand mining at CV Dewata Jaya Material, Bebandem, Karangasem; determine the feasibility of the investment; and calculate the break-even point (BEP) of the investment. This research uses a quantitative descriptive method with direct observation to the field. Primary data includes tool cycle time, interest rates, material prices, wages, as well as field conditions, tools, materials, and labor. Secondary data includes implementation methods and machine specifications. The analysis showed that the productivity of the excavator was 84.36 m³/hour. The investment was declared feasible with NPV of Rp12,701,006,671.30, BCR of 1.882, PBP in the first year of Rp1,131,020,717.02, and IRR of 30.6%. The break-even point was reached in year 1. Sensitivity analysis shows the investment is not feasible if: (1) costs increase, benefits remain and IRR > 99.2%; (2) costs remain, benefits decrease and IRR > 35.9%; (3) costs increase, benefits decrease and IRR > 32.0%.

EVALUASI STRUKTUR RANGKA ATAP BAJA RINGAN PADA PROYEK PEMBANGUNAN GEDUNG SMP NEGERI 6 MENGWI

2025-12-28T07:51:14+00:00

This study evaluates the roof frame structure of the Mengwi 6 State Junior High School building. During construction, the building did not use a standard frame structure. Therefore, questions arose as to whether the installed frame structure was safe to support the loads. This study aimed to determine the strength of the tension members, compression members, and connections by analyzing the resulting internal forces. The evaluation of the roof frame structure and the applied loads were conducted in accordance with the Indonesian National Standard (SNI). The roof frame structure was evaluated in 3D using SAP2000 software. Based on the evaluation of each frame structure element, consisting of tension members, compression members, and connections, it was concluded that the compression member structure was not yet safe for use, while the tension member structure and connections in the roof frame met the safety requirements and were suitable for use.

ANALISIS CASH FLOW OPTIMAL BERDASARKAN TIME SCHEDULE PADA PROYEK PEMBANGUNAN UNIT SEKOLAH BARU (USB) SMAN 3 KUTA SELATAN

2025-12-29T01:14:34+00:00

The background of this research is the importance of efficient financial management in the construction industry to ensure operational continuity and timely fulfillment of financial obligations. Failure to manage cash flow can hamper projects and lead to significant financial losses. The main questions in this research are the value of the RAP obtained, the percentage of profit obtained, and which policy alternative is most efficient. The objectives of this research are to determine the value of the RAP, determine the percentage of profit obtained, and identify the most efficient policy alternative. This research uses a quantitative descriptive method. Data collection techniques include documentation and surveys. Data processing begins with the preparation of the Implementation Budget Plan (RAP), which consists of direct and indirect costs. Then, a cash flow analysis is conducted for the existing conditions and alternative cash flow scenarios with project policies. The theoretical foundations used include construction management, financial management, and cash flow theory. The results show that the RAP value for the New School Unit Construction (USB) at SMAN 3 South Kuta is IDR 8,190,697,880.26, with a profit percentage of 9.82%. Of the 10 policy alternatives analyzed using the zero-one method, the best policy alternative was policy 6, with a score of 18.17.

ANALISIS PERCEPATAN DURASI MENGGUNAKAN METODE FAST-TRACK TERHADAP BIAYA PADA PROYEK PEMBANGUNAN IT FACILITY BRI TABANAN

2025-12-30T13:38:33+00:00

Construction projects are a series of activities related to the effort of building a structure or facility, involving planning, design, management, and execution. One of the common issues in construction projects is delay. The IT Facility Construction Project of BRI Tabanan is one such project that experienced delays. This research uses secondary data obtained from project documents, namely the Budget Plan (RAB) and the initial project schedule (time schedule). Based on this data, acceleration measures were implemented to reduce both project duration and costs.

Generally, duration acceleration in projects is carried out using effective and efficient methods. In this study, the fast-track method was applied to address the project delay. Fast-track is a project acceleration method that involves conducting several activities in parallel within the schedule. Project delays typically impact the overall project cost.

The results of this study show that the implementation of the fast-track method was able to reduce the project duration by 39 days, or 13.08% from the original duration of 298 days. This time reduction had a significant effect on the project cost, resulting in a cost saving of IDR 129,987,000.00, or approximately 0.41% of the initial total project cost of IDR 31,189,698,907.00.

Keywords: Time, Acceleration, Cost, Fast-track

ANALISIS PENANGANAN TEKNIS DAN BIAYA PERKERASAN LENTUR RUAS JALAN NUSA KAMBANGAN DENPASAR BARAT

2025-12-30T14:44:08+00:00

The 2 km Nusa Kambangan road section in West Denpasar experiences various types of pavement damage, affecting road safety and user comfort. This study aims to analyze the types of damage, pavement condition, and the required repair cost using the Surface Distress Index (SDI) method. The results show 7 types of damage: Alligator Cracking, Block Cracking, Edge Cracking, Longitudinal Cracking, Patching, Potholes, and Rutting. Based on SDI, the road is categorized as Fair with values ranging from 86.75% to 87.45%, requiring routine maintenance such as pothole patching and a 4 cm AC-WC overlay. The total estimated cost for technical handling is Rp 2,577,860,833. It is recommended that relevant agencies conduct regular monitoring and consider other evaluation methods such as PCI, IRI, Bina Marga, and FWD for more comprehensive maintenance planning.

ANALISIS PERCEPATAN WAKTU DAN DAMPAKNYA TERHADAP BIAYA PADA PROYEK PEMBANGUNAN VILLA DENGAN METODE PRECEDENCE DIAGRAM METHOD (PDM)

2025-12-30T23:07:31+00:00

Construction projects often face time delays, which lead to increased costs and decreased implementation efficiency. This study aims to analyze the acceleration of project execution duration and its impact on costs, using the Elio Villa Construction Project in North Kuta, Badung, Bali as a case study. The project was originally scheduled for completion in 442 days but experienced a delay of 2.71%. The method used is the Precedence Diagram Method (PDM), combined with a fast-track approach to reschedule project activities in parallel or overlapping sequences. This research adopts a quantitative descriptive approach using both primary and secondary data, such as the Bill of Quantity (BOQ), time schedules, and interview results. Project scheduling was conducted using Microsoft Project software to evaluate changes in duration and cost after acceleration. The analysis shows that the application of the fast-track method successfully reduced the project duration to 428 days—14 days shorter than the original schedule. Additionally, this acceleration resulted in a cost saving of IDR 30,936,410.26, reducing the project cost from IDR 14,280,000,000.00 to IDR 14,249,063,589.59. Therefore, the implementation of the PDM method combined with the fast-track approach proves to be effective in shortening the project duration while also reducing project costs. This strategy can be applied to similar future construction projects to improve time efficiency and cost-effectiveness.

EVALUASI KINERJA STRUKTUR BANGUNAN UNTUK MEMENUHI IZIN SERTIFIKAT LAIK FUNGSI (SLF)

2025-12-26T04:44:00+00:00

The construction of the Buleleng Police Headquarters Office and Parking Area is a strategic effort to improve police service quality. However, before being officially operational, the building must comply with the technical requirements for obtaining a Certificate of Proper Function (SLF). This study aims to analyze the structural performance of the building and assess its compliance with national standards. A mixed-methods approach was applied, combining qualitative and quantitative analyses through literature review, field data collection, and structural modeling using SAP2000. The evaluation focused on six aspects specified in SNI 1726:2019, namely fundamental period, base shear, interstory drift, mass participation, P-Delta effects, and structural irregularities. The results show that the fundamental period of 0.280065 seconds is below the maximum allowable 0.447 seconds, interstory drift is within safe limits, mass participation in X and Y directions reaches 100%, and the P-Delta effect yields a stability coefficient (θ) of 0.1, indicating a stable structure. However, a type H2 horizontal structural irregularity was identified, namely an internal corner irregularity in the building plan. Overall, the building meets most technical requirements, but improvements are needed to address this irregularity so the structure can fully comply with standards and be eligible for SLF approval

ANALISIS KERUSAKAN JALAN DENGAN MENGGUNAKAN METODE BINA MARGA DAN METODE PAVEMENT CONDITION INDEX (PCI) PADA JALAN RAYA SINGAPADU, GIANYAR, BALI

2025-12-28T02:56:08+00:00

Singapadu Highway, located in Gianyar Regency, Bali, serves as a main route to various tourist destinations. However, the road is currently experiencing a number of damages, impacting its functionality and user comfort. This study was conducted to evaluate the type and extent of road damage using the Bina Marga method and the Pavement Condition Index (PCI), and to estimate the required repair costs. The study was conducted along a 3-kilometer stretch of road with a width of 6 meters. The Bina Marga method was used to identify the type of damage and determine treatment priorities based on the physical condition of the road and average daily traffic (ADR) data. Meanwhile, the PCI method provides a visual and quantitative assessment of pavement condition through a score reflecting the level of damage. The evaluation results indicated that the most common damages included alligator cracks, longitudinal cracks, edge cracks, curling, buckling, potholes, patches, and grain detachment. Overall, the road condition ranged from severely to severely damaged. The combination of the Bina Marga and PCI methods provided a more comprehensive analysis for determining appropriate repair strategies. The results of this study can serve as a reference for local governments in prioritizing road maintenance and making decisions regarding budget allocation more effectively and efficiently.

ANALISIS DAMPAK PEKERJAAN REPAIR DAN REWORK TERHADAP BIAYA DAN WAKTU PADA PEKERJAAN STRUKTUR PROYEK MATAHATI RESORT

2025-12-28T23:58:38+00:00

Construction projects often face execution errors leading to repair and rework activities, impacting cost and time efficiency. This study analyzes the effects of repair and rework on cost and time in the structural work of the Matahati Resort project, Taro Village, Tegallalang, Gianyar. Using a descriptive quantitative approach, data were collected via observation, survey, and interviews. Results identified five non-conforming items—four requiring repair and one rework—mainly due to inadequate technical supervision and misunderstanding of drawings. Additional costs amounted to Rp 17,972,337.41 (repair) and Rp 5,896,231.03 (rework), with time extensions of 10 days 1 hour (repair) and 2 days (rework). Findings highlight the need for improved supervision and technical comprehension to minimize project inefficiencies.

EVALUASI WASTE DAN IMPLEMENTASI LEAN CONSTRUCTION (STUDI KASUS : PROYEK PEMBANGUNAN BLOK HUNIAN MEDIUM DAN BLOK HUNIAN MAKSIMUM PADA LAPAS KELAS II A KEROBOKAN - BALI )

2025-12-29T01:49:45+00:00

The construction industry in Indonesia faces significant challenges in project execution efficiency due to high levels of waste, particularly in terms of materials, time, and labor. Such waste can hinder productivity, reduce quality, and increase project costs. One of the efforts to minimize this waste is through the implementation of lean construction methods. This study aims to evaluate the factors contributing to waste and assess the extent to which lean construction has been applied in the Medium and Maximum Residential Block Development Project at Class II A Kerobokan Correctional Facility – Bali. This research employs a quantitative approach with a descriptive method. Data collection techniques include observation, questionnaires, and interviews. The data were analyzed using the Borda method to rank the waste-causing factors and the lean construction tools implemented. The theoretical foundation is based on the concept of seven types of waste, lean construction principles, and tools such as the Last Planner System, 5S, and daily huddle meetings. The results indicate that the main causes of waste are weather-related factors, substandard material quality, lack of material inspection, suboptimal work methods, and improper material storage. The most frequently implemented lean construction tools include the development of a master schedule, installation of safety signage, toolbox meetings, and organizing materials at designated locations. However, the implementation of lean construction is found to be suboptimal and requires further improvement.

Evaluasi Komparatif Material Dinding Ditinjau Dari Aspek Kualitas, Durasi Pelaksanaan Dan Efisiensi Biaya Pada Pekerjaan Konstruksi

2025-12-29T04:49:11+00:00

Reinforcing steel is one of the most essential materials in reinforced concrete construction; therefore, accurate planning and effective management are crucial to ensure efficient material usage. In practice, cutting reinforcing bars often generates material waste due to incompatibility between required cutting lengths and standard bar lengths, fabrication errors, and non-optimal cutting patterns. This study aims to analyze the quantity requirements and waste of reinforcing steel in the Dream Villa construction project in Badung Regency using the Bar Bending Schedule (BBS) method. A descriptive-analytic research method was employed using secondary data, including structural shop drawings, the Work Plan and Specifications (RKS), and standards SNI 2052:2017 and SNI 2847:2013. The analysis was conducted by preparing cutting patterns using AutoCAD and calculating reinforcement requirements using BBS tables processed in Microsoft Excel.The results show that the BBS method provides detailed reinforcement data, including bar diameter, cutting length, number of bars, and total weight. Waste percentages varied across structural elements, ranging from very low values, such as column stirrups Ø8 at 0.04%, to very high values, such as ring beam main reinforcement D13 at 25.75%. This variation is influenced by the complexity of structural elements, bar diameter, cutting accuracy, and the utilization of leftover pieces. Overall, the BBS method is effective for material planning; however, actual field efficiency depends heavily on fabrication management. Improving cutting supervision and optimizing cutting patterns are essential to reduce waste and enhance the efficiency of reinforcing steel usage in construction projects.

ANALISIS PERBANDINGAN WAKTU, BIAYA, DAN MUTU ANTARA PENGGUNAAN PASANGAN DINDING BATA RINGAN DAN BATA BIASA PROYEK GEDUNG SMP N 4 MENGWI

2025-12-30T14:03:18+00:00

The selection of appropriate building materials significantly influences cost efficiency, quality, and time in construction project implementation. One of the essential components in structural work is wall masonry. This study aims to compare the efficiency of cost, quality, and time between the use of lightweight bricks (AAC blocks) and conventional clay bricks in the construction project of SMP Negeri 4 Mengwi.The method used was direct field observation over 14 days by recording the daily work volume, number of workers, and working duration. The results show that using lightweight bricks produced an average productivity of 36.16 m²/day, completing a total work volume of 2,210.40 m² in 62 days. In contrast, conventional bricks achieved a productivity of only 26.85 m²/day, requiring 83 days to complete the same volume.In terms of cost, the total expense for lightweight brick masonry was Rp411,401,647.50, while conventional brick masonry amounted to Rp310,879,170.00. Regarding quality, lightweight bricks offer better dimensional precision, thermal and sound insulation, and ease of finishing. On the other hand, conventional bricks have advantages in compressive strength and weather resistance, but take longer to install and tend to result in less tidy walls if not handled properly.This study provides an objective overview of the strengths and weaknesses of each brick type, serving as a reference for material selection decisions in construction projects.

ANALISIS PENAMBAHAN WAKTU DAN PENGARUHNYA PADA BIAYA PROYEK PEMBANGUNAN GEDUNG KANTOR PERUMDA KABUPATEN BADUNG

2025-12-30T15:34:52+00:00

This study analyzes project duration acceleration through the addition of overtime hours and its impact on costs in the Office Building Construction Project of Perumda Air Minum Tirta Mangutama, Badung Regency. The method applied is the Precedence Diagram Method (PDM) with the support of Microsoft Project software to identify the critical path and perform acceleration analysis (crashing). The data used consist of primary data, including labor wages, overtime hours, and actual working duration, as well as secondary data, such as the time schedule, project activity list, number of workers, and cost estimates. The results show that adding 4 hours of overtime per day to activities on the critical path shortens the project duration but leads to an increase in labor costs. This strategy can serve as a reference for construction practitioners in planning project acceleration by balancing time efficiency and cost control.

Keywords: project acceleration, overtime, PDM, construction cost, critical path

ANALISIS INVESTASI PROYEK PEMBANGUNAN “SVHALIVING VILLA”, DESA KALIASEM KABUPATEN BULELENG – BALI

2025-12-30T16:33:45+00:00

Bali is one of the main tourist destinations in Indonesia with a strong appeal for both international and domestic visitors. The increasing number of tourist arrivals has led to higher demand for accommodations, including villas. One of the planned development projects is Svhaliving Villa, located in Kaliasem Village, Buleleng Regency, Bali. Its strategic location makes this project a promising investment opportunity; however, property investment still carries risks, and therefore a feasibility analysis is necessary before implementation. This study aims to assess the investment feasibility of developing Svhaliving Villa from a financial perspective. The analysis methods used include Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), and Break Even Point (BEP), complemented by a sensitivity analysis. The results indicate that the investment in Svhaliving Villa is financially feasible, with an NPV of IDR 4.552.682.999,13 (positive), BCR of 1.59 (> 1), IRR of 17.76% (> 9% interest rate), and a BEP in the 9th year, thereby confirming its financial viability. The sensitivity analysis further shows that the project remains feasible even with changes in costs or revenues up to 10%. In scenarios where costs increase by 10% or revenues decrease by 10%, the NPV remains positive and BCR > 1, thus confirming the investment’s feasibility.

ANALISIS FAKTOR DOMINAN PENYEBAB KETERLAMBATAN DAN ALTERNATIF SOLUSI PADA PELAKSANAAN PEKERJAAN STRUKTUR PROYEK PEMBANGUNAN VILLA PLOT 5 KAWASAN LACOLLINE PROJECT PECATU, BADUNG, BALI

2025-12-31T01:46:13+00:00

This study aims to identify the dominant factors causing delays and to formulate alternative solutions in the structural work implementation of the Villa Plot 5 Construction Project at the La Colline area, Pecatu, Badung, Bali. The research method used is a quantitative method with a descriptive material aspect with a score of 2.882, followed by design changes (2.573) and financial aspects (2.331). Recommended mitigation strategies include optimizing material procurement management and implementing strong early coordination among stakeholders involved in the project. These findings are expected to serve as a reference for construction industry practitioners to minimize the risk of delays in similar projects in the futureapproach. Data were collected through questionnaires, interviews, observations, and document studies, with respondents consisting of the project executors and the project owner. Data analysis employed validity and reliability tests, as well as the Analytic Hierarchy Process (AHP) method to determine the priority of risk factors. The results show that the dominant factors causing delays are limited manpower, delays in material distribution, and ineffective work methods. The highest risk index value is found in the.

IMPLEMENTASI BUILDING INFORMATION MODELING (BIM) REVIT PADA BIAYA DAN WAKTU RENCANA PELAKSANAAN KONDISI EKSISTING STRUKTUR BANGUNAN

2025-12-27T01:00:13+00:00

The rapid development of infrastructure in various regions requires construction service providers to implement precise, effective, and efficient solutions. However, many projects still face challenges in budget and scheduling due to the use of conventional methods, which are prone to errors caused by inaccuracy in calculating and analyzing work items. This study aims to examine the efficiency of applying Building Information Modeling (BIM) in modeling the existing condition of reinforced concrete structures in the Villa Serenity project using Autodesk Revit, as well as to analyze the estimated cost and project duration based on the modeling results. The research method employed is descriptive quantitative with a numerical approach to illustrate the project’s objective conditions. The findings indicate that the implementation of BIM through Autodesk Revit can produce accurate and informative three-dimensional digital models, covering structural elements such as foundations, columns, beams, floor slabs, stairs, and roof trusses. In addition, Autodesk Revit simplifies the process of calculating work volumes automatically and consistently, thereby accelerating cost estimation with high accuracy. The total estimated project budget obtained is Rp5,000,366,969.19. The project scheduling plan was developed using Microsoft Project with an implementation duration of 188.25 days.

ANALISIS KERUSAKAN PERKERASAN JALAN DENGAN METODE SURFACE DISTRESS INDEX (SDI) PADA JALAN RAYA PADANGKERTA-PANDE BESI DESA PADANGKERTA, KEC. KARANGASEM. KAB. KARANGASEM, BALI.

2025-12-28T05:43:56+00:00

The pavement condition on the Padangkerta-Pande Besi section of Karangasem Regency has deteriorated due to high traffic loads and C-shaped excavation activities. Damage such as alligator cracks, hairline cracks, edge breaks, potholes, and grain detachments disrupt traffic comfort, safety, and efficiency. This issue requires an evaluation of the pavement condition to determine an appropriate repair strategy. This study aims to identify the type of damage, assess the pavement condition using the Bina Marga Surface Distress Index (SDI) method, and provide treatment recommendations. A mixed-methods approach was used, combining visual surveys and direct measurements (primary data) with secondary data from the Public Works and Housing Agency. Analysis was conducted on 20 segments spanning 2 km to calculate the area, percentage, and severity of damage. The study results showed a total damage area of 1,455.45 m², with hairline cracks predominating (807 m²). The SDI value places the road in the severely damaged category, recommending reconstruction and rehabilitation based on the type of damage. In conclusion, the SDI evaluation effectively determines repair priorities to maintain the road's sustainable function. Keywords: road damage, Surface Distress Index, Bina Marga, flexible pavement, Karangasem.

ANALISIS KERUSAKAN JALAN DENGAN METODE PAVEMENT CONDITION INDEX (PCI) DAN STRATEGI PENANGANANNYA PADA RUAS JALAN PURI GADING KELURAHAN JIMBARAN

2025-12-29T01:05:00+00:00

Roads are vital infrastructure that support community mobility and regional economic growth. However, road damage remains a serious issue, including on Puri Gading Road in Jimbaran Village, South Kuta District, Badung Regency, Bali, which suffers from various types of surface pavement damage. This study aims to evaluate the pavement condition using the Pavement Condition Index (PCI) method and to determine appropriate repair strategies. The PCI method was chosen due to its efficiency, simplicity (visual inspection), and ability to provide quantitative results with index values ranging from 0 to 100. Survey results showed that the most common type of damage was patching (19.23%), while the least was edge cracking (0.96%). The average PCI value was 31.44, indicating poor condition, with the highest value of 56 in Segment 4 and the lowest value of 11 in Segment 11. Based on the findings, the repair strategies are divided into three approaches: segment-based treatment, overall overlay based on the average PCI value, and reconstruction based on the damaged area percentage. The results of this study are expected to serve as a reference in planning efficient and appropriate maintenance for Puri Gading Road.

OPTIMALISASI WAKTU DAN BIAYA PELAKSANAAN PEKERJAAN OVERLAY DENGAN METODE TIME COST TRADE OFF (Studi Kasus: Pemeliharaan Berkala pada Ruas Jalan Surapati Denpasar)

2025-12-29T06:11:30+00:00

This study aims to optimize the time and cost of the overlay work on the Periodic Maintenance Project of Surapati Road in Denpasar by applying the time cost trade off method supported by Primavera P6 software. The research is motivated by the potential delay in project implementation, which can increase indirect costs and reduce overall project performance. The data used consist of primary data obtained from field observations of working duration and labor productivity, and secondary data in the form of the bill of quantities, project schedule, and planning documents provided by the contractor.The analysis begins with identifying the critical path, followed by calculating normal productivity, productivity under overtime scenarios, normal costs, overtime costs, crash duration, crash cost, and cost slope for each critical activity. Several acceleration scenarios are developed by adding 2, 3, and 4 hours of overtime per day to activities located on the critical path. The results indicate that the 2-hour overtime scenario reduces the project duration from 148 to 143 days, with an increase in direct costs but a greater decrease in indirect costs, resulting in a lower total project cost compared with the normal condition.Although the 3-hour and 4-hour overtime scenarios provide shorter project durations, the additional direct costs are higher so that the reduction in total costs is less efficient than the 2-hour scenario. Therefore, the 2-hour overtime alternative is considered the most optimal solution, as it achieves a reasonable time acceleration while maintaining cost efficiency and acceptable labor productivity. The findings of this study can serve as a reference for contractors and project owners in planning overtime-based acceleration strategies for similar road projects.

ANALISIS PERBANDINGAN BIAYA STRUKTUR PADA GEDUNG DENGAN DINDING DARI BATA RINGAN DAN BATA MERAH (STUDI KASUS PADA PROYEK VILLA KONG ESCANDE PECATU)

2025-12-30T14:53:09+00:00

In large-scale construction projects, lightweight bricks are often chosen as wall materials because they are lighter than red bricks, resulting in a smaller structural load. They are also waterproof, fire-resistant, and have good durability, so in the event of an earthquake, they are less likely to collapse than red bricks. In the Villa Kong Escande Pecatu construction project, lightweight bricks were used as the base material for the walls. The objective of this study is to compare and analyse the percentage difference in structural costs between using lightweight bricks and red bricks as wall materials. This study is a quantitative descriptive study comparing the existing Bill of Quantities (BoQ) with the BoQ after calculations. The primary data used includes building material prices and labour rates. The primary data consists of Design Drawings and the Bill of Quantities (BoQ). Data analysis was performed using modelling and structural analysis with SAP2000, calculating the volume of lightweight bricks based on the structural analysis results, and then calculating the implementation costs. The results of the study show that the implementation cost of the lightweight brick wall structure is Rp. 706,192,908.75, while using red brick walls is Rp. 742.426.580,93, with a cost difference of Rp. 36.233.672,18 more expensive compared to using lightweight brick walls. The cost percentage of red bricks is 5.131% higher than that of lightweight bricks.

Keywords: Lightweight Brick Walls, Red Brick Walls, Structural Cost Comparison

EVALUASI PENGGUNAAN PELICAN CROSSING DAN DAMPAKNYA TERHADAP KINERJA RUAS JALAN DI JALAN HASANUDIN, DENPASAR

2025-12-30T16:01:33+00:00

Evaluation of Pelican Crossing Usage Interaction and Its Impact on Road Performance at Hasanudin Street, Denpasar was conducted to address the problem of how pelican crossings affect road capacity and level of service. The background of this study arises from the high traffic volume on Hasanudin Street influenced by pedestrian crossing activities, which potentially reduce road performance. The objectives are to analyze the road level of service, the impact of pelican crossing interaction, and to determine the appropriate type of crossing facility. The research method applied a field survey approach by collecting primary data such as road geometry, traffic volume, number of pelican crossing users, side friction, and vehicle speed, as well as secondary data regarding Denpasar city. Data analysis referred to the Indonesian Highway Capacity Manual (MKJI, 1997) to calculate road capacity, degree of saturation (DS), level of service (LOS), and the need for crossing facilities using the PV² method. The results show that pelican crossings increase side friction and reduce road performance. The degree of saturation with a pelican crossing reached 0.8519 (LOS E), while without it decreased to 0.7963 (LOS D). This indicates an increase of about 6.53% in DS due to pelican crossing interaction. Thus, pelican crossings play an important role in pedestrian safety but negatively affect traffic flow efficiency.

Kata kunci: pelican crossing, road performance, degree of saturation, LOS

ANALISIS PENGARUH BATASAN JAM KERJA MENGGUNAKAN METODE PROGRAM EVALUATION REVIEW TECHNIQUE (PERT) TERHADAP KESELARASAN PENJADWALAN PROYEK (Studi Kasus: Pembangunan Rumah Tinggal Mayang Padmi, Bandung)

2025-12-30T22:36:24+00:00

Construction projects often face delays due to inefficient scheduling planning. This study explores the application of the Program Evaluation Review Technique (PERT) method in rescheduling the residential construction project of Mayang Padmi Kidul No. 27 (MPK 27) located in Kota Baru Parahyangan, West Bandung. The main constraint in this project is the limited working days and hours imposed by City Management, which affects the effectiveness of project execution. Using a quantitative approach through direct field analysis and calculations with Microsoft Excel and Microsoft Project, this study estimates the project’s average duration, variance, standard deviation, and the probability of successful completion within the targeted timeframe. The data indicates that the average project duration is 358.78 days with a standard deviation of 14,14. The probability of completing the project within the planned 365 days is 67.00%, while achieving a 99% probability requires 392 days. This study demonstrates that the PERT method addresses time uncertainty and provides a more flexible scheduling plan for construction projects.

OPTIMALISASI WAKTU DAN BIAYA MENGGUNAKAN APLIKASI MICROSOFT PROJECT PADA PROYEK PEMBANGUNAN RSUD SUWITI DI KABUPATEN BADUNG

2025-12-27T12:44:46+00:00

The construction project of Suwiti Regional General Hospital (RSUD Suwiti) in Badung Regency requires effective time and cost management to achieve the building's completion target on schedule. This study aims to analyze and optimize the construction schedule using the crashing method, which adds three hours of overtime per day. The results indicate that the crashing method can shorten the project duration by 13 days, with an additional cost of Rp 219,719,625, and takes into account worker productivity during overtime hours. This project management approach has proven effective in managing the construction schedule and significantly reducing completion time without significantly sacrificing cost stability. These findings provide an important contribution to construction project management, particularly in controlling additional costs and increasing labor productivity to achieve optimal time targets

ANALISIS KEKUATAN STRUKTUR DAN BIAYA BETON BERTULANG AKIBAT PERUBAHAN METODE TIE BEAM SOG MENJADI SUSPENDED Studi Kasus: Proyek Pembangunan Hilton Garden Inn Extension

2025-12-28T23:46:16+00:00

In recent years, the construction of multi-story buildings has become a practical solution to address the decreasing availability of land amid the increasing demand for buildings. In such developments, the structural system plays a crucial role as the primary load-bearing component that ensures the stability and integrity of the building. Structural planning must consider key criteria that serve as benchmarks for construction feasibility, including serviceability, structural efficiency, construction method selection, and cost. In the Hilton Garden Inn Extension project, a change was implemented in the ground floor structural method—from a Tie Beam on Slab on Grade (SOG) system to a Suspended Tie Beam system. This study involves structural strength analysis using SAP2000 software, along with a cost evaluation following the change in structural method. A descriptive-quantitative approach was used. The analysis revealed that the existing column design was inadequate, prompting dimensional revisions, and highlighted overstress in the shear reinforcement of beams. The structural cost evaluation showed a 0.6% increase (Rp. 73,089,143.88) due to the column dimension adjustments required to address overstress conditions.

ANALISIS PENAMBAHAN TENAGA KERJA TERHADAP WAKTU DAN BIAYA PELAKSANAAN PROYEK PEMBANGUNAN GEDUNG KANTOR TOWER BERSAMA INDONESIA GRUP (TBG) SANUR, BALI

2025-12-29T01:40:08+00:00

Delays in construction projects are a common issue that result in extended project durations and increased costs. One of the main factors causing delays is a shortage of labor, both in terms of quantity, which hampers work progress on site. This was also observed in the Tower Bersama Indonesia Group (TBG) Sanur Office Building Project in Bali, where delays became evident from the 14th week according to progress reports, necessitating the implementation of acceleration strategies to minimize the risk of further delays. This study employs the crashing method by adding labor to critical path activities, analyzed using Microsoft Project. The analysis compares the normal condition with the condition after adding labor to measure changes in project duration and its impact on costs. The results show that the project duration, originally 398 calendar days, can be shortened to 380 calendar days, achieving an acceleration of 18 days. Adding labor increases direct costs, but overall, it reduces total project costs due to savings in indirect costs. Indirect costs decreased from IDR 4,954,572,579 to IDR 4,730,533,101.84, yielding a savings of IDR 224,039,477.16. With the normal total project cost at IDR 26,500,000,000.00, adding labor raised the total project cost to IDR 26,610,407,717.60. This indicates an increase in total project costs; however, the reduction in indirect costs is significant, as indirect costs represent operational expenses during project execution. Thus, adding labor through the crashing method proves effective in accelerating project completion while optimizing total costs. This study is expected to serve as a reference for project management in formulating efficient delay-handling strategies for similar construction projects in the future.

ANALISIS PENGGUNAAN BEGESTING KONVENSIONAL DAN SEMI SISTEM PADA PROYEK PEMBANGUNAN GEREJA DALUNG TERHADAP WAKTU DAN BIAYA

2025-12-29T03:51:23+00:00

As time progresses, many renewable technologies are created with the emergence of various new innovations, especially in the construction sector. One of the construction jobs that has new innovations is formwork work. Currently, better quality formwork has begun to be used for work on construction projects, especially on multi- storey building construction projects. Therefore, it is very necessary to carry out an analysis of the formwork material construction.

This formwork is often used in project work, the project work is column construction work. In general, the work of making structural columns uses conventional formwork which requires quite a long time to assemble and is quite expensive if a large number of columns are required. However, currently formwork work can be done using semi system formwork, where this formwork consists of multiplex material with 4 x 4 cm hollow iron as the frame, which results in faster installation times and cheaper costs if casting is done in large quantities, because can be used repeatedly.

The results of the study indicate that there is a difference in cost and time between conventional and semi-system formwork, where the cost difference is 31.7% or Rp 31,552,053, and the time comparison is 51.57 hours. This study proves that technological advances in the field of formwork can speed up and make work cheaper in terms of cost.

ANALISIS PENERAPAN VALUE ENGINEERING PADA PEKERJAAN ARSITEKTUR PROYEK PEMBANGUNAN GEDUNG KANTOR PERUMDA AIR MINUM TIRTA MANGUTAMA KABUPATEN BADUNG

2025-12-30T13:52:33+00:00

Construction projects require effective cost management to achieve efficiency without sacrificing the functionality and quality of the building. Value Engineering (VE) is a solution in identifying cost savings through design and material evaluation. This study aims to analyze the application of VE in the architectural work of the Tirta Mangutama Drinking Water Perumda Office Building Construction Project, Badung Regency to obtain efficient alternatives and calculate potential cost savings. The research method uses the VE approach through four stages: the information stage (data collection, Cost Model, Breakdown, Pareto Diagram), creative stage (alternative development), analysis stage (alternative assessment with the Zero One method based on cost, quality, time, implementation method, and aesthetics criteria), and recommendation stage. The analysis focused on 15 items of high-cost architectural work identified through a Pareto Diagram. The results of the study showed that the application of VE produced the best alternatives in seven main work items, namely wall ceramic pairs, floor ceramic pairs, ceiling frames, tile pairs, aluminum frame glass doors, aluminum door frames, and stair railings. The alternative implementation saves costs of IDR 261,898,487.07 or 5.87% of the total cost of architectural work of IDR 4,462,015,441.80. The conclusions of the study prove that VE is effective in identifying efficient alternatives and achieving significant cost savings without compromising the functionality and quality of the building.

ANALISIS KERUSAKAN PERKERASAN JALAN MENGGUNAKAN METODE PAVEMENT CONDITION INDEX (PCI) (STUDI KASUS JL. RAYA SIBANG KAJA – JL. RAYA ABIANSEMAL, BADUNG, BALI)

2025-12-30T15:24:27+00:00

This research was conducted on the Sibang Kaja Highway – Abiansemal Highway section to identify the type and level of pavement damage, calculate the Pavement Condition Index (PCI) value, determine the appropriate repair method, and prepare an estimated budget plan. The methods used include a visual survey for damage classification, damage dimension measurement, PCI value calculation, and cost analysis based on the Bina Marga Work Unit Price Analysis (AHSP). The results showed that the types of damage were alligator skin cracks, block cracks, potholes, and patches. The average PCI value was 54, included in the moderate category (fair), so the recommended repair method was reconstruction and overlay. The estimated total repair cost was Rp 5,728,879,692. In conclusion, the road condition was in the moderate category and required overlay work to maintain the road's lifespan and performance.

Keywords: Pavement Condition Index (PCI), road damage, repair method, cost budget plan, overlay

ANALISIS PERBANDINGAN WAKTU DAN BIAYA PEKERJAAN PASANGAN DINDING MENGGUNAKAN BATAKO DAN BATA RINGAN (Studi Kasus: Proyek Pembangunan Vila Demont Lantai 2, Jl. Tanjung No. 17-25, Sanur Kauh, Kec. Denpasar Selatan, Kota Denpasar)

2025-12-30T16:23:28+00:00

This study analyzes the comparison of time and cost for wall construction using concrete block (batako) and lightweight brick (AAC block) in the Vila Demont construction project, Sanur, Denpasar. The research applied a descriptive quantitative method with primary data collected from labor productivity observation, material prices, and daily wages, supported by secondary project documents. The results show that the daily productivity of lightweight bricks is higher than concrete blocks, with 18.625 m²/day for masonry and 20.534 m²/day for plastering, while concrete blocks only reach 11.524 m²/day and 13.189 m²/day. In terms of duration, lightweight bricks are more efficient, requiring an average of 26 minutes/m² for masonry and 23 minutes/m² for plastering, compared to 41 minutes/m² and 37 minutes/m² for concrete blocks. In terms of cost, concrete blocks are more economical, with Rp 145,028.49/m² for masonry and Rp 55,761.30/m² for plastering, while lightweight bricks require Rp 148,976.58/m² and Rp 80,069.34/m². Based on productivity efficiency, time, and quality, lightweight bricks are considered functionally more economical for wall construction work.

ANALISIS SISA MATERIAL PEMBESIAN DAN PENGARUHNYA TERHADAP BIAYA KONSTRUKSI PADA PEMBANGUNAN LOBBY MATAHATI RESORT TARO, GIANYAR

2025-12-31T01:28:55+00:00

Construction projects, particularly high-rise building developments, often generate leftover materials, primarily reinforcing steel bars, which can lead to inefficiencies in construction costs. Reinforcing steel frequently results in waste across various projects. The aim of this research is to analyze the volume of reinforcing steel waste, identify the type of reinforcement work that produces the most waste, calculate the costs incurred due to this waste, and assess its impact on the total construction cost. This study applies a descriptive quantitative method by collecting secondary data, including the Bill of Quantities (BoQ), daily reports, and shop drawings. Data analysis was conducted using Microsoft Excel to calculate material requirements, installed material volume, material waste, and the associated costs. The results of the analysis show that the total volume of reinforcing steel waste amounted to 30,548.47 kg, with the largest portion generated from pile cap reinforcement work at 7,377.178 kg. The total cost of reinforcing steel waste reached IDR 473,502,729.39, representing 0.38% of the overall construction cost of IDR 1,220,562,706.12.

ANALISIS PERBANDINGAN QUANTITY TAKE OFF MENGGUNAKAN SOFTWARE REVIT DENGAN METODE KONVENSIONAL

2025-12-26T22:21:23+00:00

Advances in construction technology, particularly Building Information Modeling (BIM), offer solutions to improve the accuracy of quantity and cost estimation. This research aims to calculate and compare the results of Quantity Take Off (QTO), percentage differences in volume, and discrepancies in the Cost Estimate between BIM and conventional methods. The study is driven by the high potential for human error in conventional methods, which rely on manual calculations from 2D drawings, making a comparison with the more integrated BIM method highly relevant. This research applies a quantitative approach, with a case study on the substructure of the Paiton 2 Bridge, using project shop drawings as secondary data. The data analysis compares two methods. The first method utilizes Autodesk Revit software for 3D modeling and automatic quantity extraction. The second is the conventional manual volume calculation using AutoCAD and Microsoft Excel. The theoretical framework is based on QTO concepts and 5D BIM, which integrates cost aspects. The findings show differences in both volume and cost. Calculations using Revit resulted in a 0.62% smaller rebar volume and a 0.27% smaller concrete volume compared to the conventional method. Consequently, the total structural work cost from Revit was 0.44% lower. In conclusion, the BIM method using Revit produces more precise and detailed quantity and cost data, potentially reducing material waste and proving more accurate than the conventional method, which is prone to manual interpretation errors.

ANALISIS PENERAPAN VALUE ENGINEERING PADA PROYEK PEMBANGUNAN GEDUNG DIKLAT RSUD BALI MANDARA

2025-12-28T04:22:20+00:00

Construction costs continue to increase significantly each year. Limited funding in project implementation requires construction to proceed efficiently and effectively. This value engineering study was conducted to generate new ideas that optimize cost without compromising quality. The aim of this research is to identify which architectural work items have the potential for value engineering, determine the most effective and efficient alternatives, and compare the initial planned project cost with the cost after value engineering analysis. This study uses a descriptive quantitative method, with data analysis carried out through the four phases of value engineering: information, creative, analysis, and recommendation. The analysis identified 19 architectural work items with potential for value engineering. The initial cost of the architectural work was Rp. 6,693,297,876.76, and cost savings of 4.96% were achieved, amounting to Rp. 6,360,986,397.84. Therefore, the final construction cost for the training building project at RSUD Bali Mandara was Rp17,665,474,658.50, with a total cost of Rp19,608,676,870.93 including 11% VAT

ANALISIS MANAJEMEN RISIKO LINGKUNGAN PADA PEMBANGUNAN GEDUNG KANTOR PERUMDA AIR MINUM TIRTA MANGUTAMA DI KECAMATAN MENGWI, KABUPATEN BADUNG

2025-12-29T00:57:33+00:00

This study examines environmental risks in the construction project of the Office Building of the Regional Drinking Water Company Tirta Mangutama in Mengwi District, Badung Regency, which may disrupt productivity, quality, performance, and project budgets. Using a mixed method with quantitative and qualitative descriptive approaches, data were obtained through observation, interviews, and questionnaires distributed to 15 purposively selected respondents involved in environmental risk management. Instrument validity and reliability were tested with SPSS, requiring r count > r table and Cronbach’s Alpha > 0.60. The results identified 13 environmental risks, consisting of 9 undesirable, 2 negligible, and 2 unacceptable risks. Mitigation efforts included regulating material delivery, providing PPE and medicines, conducting health checks, socialization, watering project areas to reduce dust, and proper waste management. Risk ownership was allocated to stakeholders: the owner with 1 risk, the contractor with 11 risks, and the supervising consultant with 3 risks.

ANALISIS PENANGGULANGAN DAMPAK KETERLAMBATAN PROYEK KONTRUKSI TERHADAP BIAYA DAN WAKTU MENGUNAKAN METODE CRASHING (Studi Kasus : Proyek Gedung SDN 4 Blahkiuh, Badung)

2025-12-29T05:56:06+00:00

Construction projects often experience delays due to various factors, one of which is ineffective time planning. The problem with the construction project of SD Negeri 4 Blahkiuh was delayed due to a lack of manpower and the late arrival of materials to the site. This study aims to analyze the acceleration of time and costs in the construction project of SD Negeri 4 Blahkiuh. This study uses the crashing method, which involves adding working hours as an alternative to accelerate project completion. To obtain data that is consistent with the actual situation for this thesis, the author uses two types of data collection techniques: primary data, which is direct information from field surveys to determine wages, the number of overtime workers, and the duration of overtime; and secondary data, which is data obtained indirectly, rather than from the results of processing by other parties in the form of tables, graphs, or diagrams. Secondary data is obtained indirectly, from processed data by other parties in the form of tables, graphs, or diagrams. The results of the study show that the project duration can be accelerated from 180 days to 162 days, with an additional cost of Rp103,635,689.18. The application of the crashing method resulted in an increase in direct costs, but this was offset by a decrease in indirect costs due to the reduction in implementation time.

ANALISIS FAKTOR KENDALA PENYEDIA BARANG/JASA DALAM PENGGUNAAN E-KATALOG PADA PROSES PENGADAAN PEKERJAAN KONSTRUKSI (Studi Kasus : Kabupaten Banyuwangi)

2025-12-30T14:26:39+00:00

The utilization of the E-Catalog system in Government Procurement of Goods/Services becomes a national strategic policy aimed at improving effiency, transparency, and accountability. However, its implementation in the construction sector in Banyuwangi Regency still encounters various obstacles, as reflected in the low proportion of construction work transactions trought the E-Catalog compared to other procurement categories. This study aims to analyze the constraint factors faced by Construction Goods/Services Providers in using the E-Catalog, and to indentify the most dominant influencing factor. This research uses a descriptive quantitative method. Data are collected through questionnaires distributed to 36 Construction Service Providers registered in the local E-Catalog of Banyuwangi Regency in 2024. The date are analyzed using validity tests, reliability tests, descriptive analysis using the Respondent Achievement Level (TCR), and the fishbone diagram method (4M + 1E). The result show that all variables have TCR values below 30%, indicating a high level of problems. The constraint factors include: lack of provider understanding of the E-Catalog system, limited information technology infrastructure, minimal technical information related to TKDN and KBLI, product information mismatches, and weak work culture within provider companies. The most dominant influencing factor is the Man aspect, particuary related to low understanding of the system, lack of training, and challenges in transitioning form E-Catalog V5 to V6.

ANALISIS KELAYAKAN INVESTASI PEMBANGUNAN RUMAH KOST PULAU ADI DI JALAN PULAU ADI PEDUNGAN

2025-12-30T15:49:08+00:00

This study aims to analyze the investment feasibility of the Pulau Adi boarding house construction project, located in Jalan Pulau Adi, Pedungan, Denpasar City. The research is conducted using a financial aspect approach through the analysis methods of Net Present Value (NPV), Internal Rate of Return (IRR), and Benefit Cost Ratio (BCR). Data were obtained through observation, interviews, and field documentation, and calculations were carried out based on a 20-year projection with a discount rate of 6% per annum. The results of the analysis show a positive NPV of IDR 2,988,789,633 (NPV > 0), an IRR of 14.39% (IRR > MARR 6%), and a BCR of 1.773 (BCR > 1). The Break Even Point (BEP) is reached in the 10th year, assuming an average occupancy rate of 75%. Based on these financial indicators, the Pulau Adi boarding house construction project is considered feasible and has the potential to generate significant long-term profits.

Keywords: Investment Feasibility, Boarding House, NPV, BCR, IRR, BEP

DESAIN STRUKTUR BANGUNAN RUMAH TINGGAL DUA LANTAI DENGAN SISTEM RANGKA PEMIKUL MOMEN KHUSUS

2025-12-30T16:56:58+00:00

Indonesia is a country with a high level of seismic activity, making earthquake-resistant design a crucial requirement in building construction. Residential houses, as a primary necessity for society, are often designed without adequate structural calculations, which makes them vulnerable to damage during earthquakes. This study aims to redesign a two-story residential building by applying the Special Moment Resisting Frame (SMRF) system in accordance with SNI 2847:2019, SNI 1726:2019, and SNI 1727:2020. The case study is located in Jimbaran, Badung Regency, Bali, which is categorized as a moderate-to-high seismic zone. The research method used is descriptive analysis with structural modelling carried out in ETABS v22. The data utilized include existing architectural drawings, material properties, and seismic parameters based on site coordinates. The analysis considers gravitational loads (dead and live), environmental loads (wind), and earthquake loads using both equivalent static and response spectrum dynamic methods. The results show that the optimal dimensions of structural elements are 300×300 mm columns, 250×350 mm beams, and 120 mm slabs. Structural performance checks indicate that the fundamental period, base shear, inter-story drift, and mass participation ratio satisfy the requirements of SNI. The reinforcement design also complies with the minimum provisions of SNI 2847:2019. Therefore, the proposed design enhances the safety and seismic resilience of residential buildings.

ANALISIS IMPLEMENTASI VALUE ENGINEERING DENGAN METODE PAIRED COMPARISON DALAM MENINGKATKAN EFISIENSI BIAYA PROYEK PADA PEMBANGUNAN VILLA LEA 2, TABANAN

2025-12-27T10:34:46+00:00

Construction management plays an important role in controlling cost, quality, and time so that projects run efficiently. Cost efficiency can be achieved by applying value engineering. Value engineering is carried out through the selection of alternatives while maintaining function and quality. In the construction of Villa LEA 2, Tabanan has a structural design with a large cost weight, so it has the potential to carry out value engineering. The application of value engineering aims to identify potential work items, analyze design alternatives, and calculate cost efficiency. Value engineering analysis uses a quantitative descriptive approach, with four phases of work plans including information, creative, analysis, and recommendation stages. The analysis stage uses the paired comparison method to determine the best priority. The results of the study show that potential work items are floor plates, beams, borepile foundations, columns, pilecaps, and retaining walls, with the main focus on beams and columns. The most effective alternative is alternative III, namely 30/75 beams with 9D19 and 9D16 reinforcement, 30/55 columns with 10D22 reinforcement, 5/7 kaso formwork and 9 mm plywood, as well as casting methods using mixed site concrete. The analysis resulted in a cost efficiency of Rp. 45,064,924.17 or 27.80% of the existing cost of Rp. 162,111,048.00.

ANALISIS PRODUKTIVITAS TENAGA KERJA DAN PERBANDINGAN HARGA SATUAN PEKERJAAN ANTARA LAPANGAN DAN SNI PADA PEKERJAAN PASANGAN DINDING BATA RINGAN (STUDI KASUS: PROYEK PEMBANGUNAN VILLA NATADESA RESORT RESIDENCE)

2025-12-28T16:12:55+00:00

Productivity is an important aspect in increasing construction business and analysis of work unit prices is one of the important factors in preparing construction cost budgets. Productivity is a fundamental factor that can affect the performance of competitive ability in the construction sector. The purpose of this study is to determine the comparison of wall pair labor productivity in the Natadesa Resort Residence Villa Development project, Jimbaran, Badung Regency, Bali with AHSP SNI Badung 2025. The method used in this study is in the form of direct observation and also interviews to find worker productivity and the number of workers assisted by Microsoft Excel software, where observations were carried out for 14 days during normal working hours. The results obtained in this study indicate the coefficient value for the type of foreman worker is 0.042 OH in field observation and 0.003 OH in AHSP SNI, the productivity coefficient value for the head craftsman worker is 0.046 OH in field observation and 0.013 in AHSP SNI. The coefficient value for the craftsman worker is 0.056 OH in field observation and 0.13 OH in AHSP SNI. The coefficient value for the assistant craftsman worker is 0.134 OH in field observation and 0.671 OH in AHSP SNI. Based on the values obtained, it can be concluded that the coefficient value for the foreman, head craftsman is greater than AHSP SNI, while the coefficient value for the craftsman and assistant craftsman is smaller than AHSP SNI. The results of the comparison of lightweight brick masonry work obtained a cost difference of Rp. 55.936,42 with a percentage of 24%.

ANALISIS PRODUKTIVITAS ALAT BERAT DALAM PEKERJAAN PEMADATAN PERKERASAN ASPAL PADA PROYEK JALAN (STUDI KASUS: JALAN SURAPATI, KOTA DENPASAR)

2025-12-29T01:33:18+00:00

Asphalt pavement compaction is a critical stage in road construction that requires precision in both timing and quality. This study aims to analyze the productivity of heavy equipment used in the compaction process, specifically the tandem roller and pneumatic-tired roller, on the road project at Surapati Street, Denpasar City. The main objectives are to evaluate the productivity levels of each machine, determine the number of equipment units required on-site, and estimate the duration needed to complete the compaction work as planned. The research methods include field observations and data analysis. Based on the results, the tandem roller achieved a productivity rate of 265.35 tons/hour, while the pneumatic-tired roller reached 96.77 tons/hour. For a total asphalt layer volume of 1,154.96 tons with a compaction thickness of 0.05 meters, one unit of each type of roller is required. The total time needed to complete the compaction process is seven working days. These findings can serve as a reference for planning and managing heavy equipment to improve time and resource efficiency in similar road construction projects.

ANALISA PRODUKTIVITAS, BIAYA DAN WAKTU PELAKSANAAN PEKERJAAN CUT & FILL PADA PROYEK LA COLLINE, PECATU, KUTA SELATAN

2025-12-29T03:37:36+00:00

This study aims to analyze the productivity, cost, and execution time of cut & fill work on the La Colline project in Pecatu, South Kuta, focusing on the use of the Zoomlion ZE75G backhoe. The research method employed is descriptive quantitative, with primary data collected through direct field observations and interviews, and secondary data obtained from equipment specifications and material prices. The results indicate that the productivity of the Zoomlion ZE75G backhoe with a bucket is 20.7 m³/hour, while with a rock drill breaker it is 1.8 m³/hour. The unit price calculation shows a cost of IDR 18,550/m³, with a total cost of IDR 18,485,817.00 for a work volume of 996.54 m³. The execution time is estimated at 11.07 optimal working days. Based on these findings, it is recommended to increase the number of backhoes equipped with rock drill breakers to improve time efficiency, as well as to compare the unit price with similar projects to ensure budget suitability.

ANALISIS PERILAKU PEKERJA DALAM PENGGUNAAN APD SERTA PENGARUHNYA TERHADAP TINGKAT KECELAKAAN DAN PRODUKTIVITAS PEKERJA PADA PEMBANGUNAN GEDUNG DIKLAT RSUD BALI MANDARA

2025-12-30T13:34:51+00:00

The construction sector faces a high risk of work accidents, primarily due to low compliance with Personal Protective Equipment (PPE) use. This study aims to analyze worker behavior toward PPE usage and its effect on accident rates and productivity at the RSUD Bali Mandara Training Building Project. A descriptive quantitative method with a correlational approach was used. Data were collected through 31 days of field observation, questionnaires from 19 respondents, and project documentation. Results showed a PPE compliance rate of 70.30% (good category), with vests being the most used (97–99%) and masks the least (0.9–8%). Human error was the dominant cause of accidents (59%), followed by working conditions (22%) and the environment (19%). Questionnaire results indicated that PPE positively affects comfort, work quality, and speed. Correlation analysis revealed a significant relationship between PPE compliance, lower accident rates, and increased productivity. This study highlights the importance of continuous supervision and training to foster a safe and productive work culture.

PERBANDINGAN RENCANA ANGGARAN BIAYA AWAL DENGAN RENCANA ANGGARAN BIAYA SETELAH ADDENDUM PADA PROYEK GEDUNG LABORATORIUM SMAN 10 DENPASAR

2025-12-30T15:42:42+00:00

A common issue encountered in construction work is the occurrence of changes, which can take the form of differences in volume, additions or reductions in work scope, delays in work, or extensions of work time for specific reasons. Solutions or actions are essential to prevent issues that could hinder the construction process and the final outcome of a project. Therefore, alignment between the e-catalogue Bill of Quantities (BoQ) and the contractor's BoQ is necessary. The objective of this study is to determine the magnitude of price shifts between the initial BoQ and the contractor's BoQ after the addendum and the causes of these cost shifts. This study is a quantitative descriptive study comparing the existing RAB with the RAB after implementation to determine the price difference. Primary data used includes changes in work volume during implementation based on field backups and Shop Drawing diagrams. Primary data also includes the initial Cost Estimate, technical specifications, and the Unit Price List for Work. Data analysis was conducted by calculating changes in work volume during implementation. The results of the study show that there was a reduction of Rp 743.67.000,00 from the initial contract amount of Rp 6.541.339.239,00 to Rp 5.797.712.370.00. This occurred due to discrepancies in the drawings and the installation conditions on-site, resulting in additional and reduced work.

Keywords: Comparison, Budget Plan, Addendum

ANALISIS DAMPAK PERUBAHAN KONTRAK (CCO) TERHADAP BIAYA DAN WAKTU PADA PROYEK PEMBANGUNAN GEDUNG SMPN 3 KUTA

2025-12-30T16:14:00+00:00

In construction projects, it is natural for a mismatch between planning and conditions in the field to occur. To accommodate these changes, a Contract Change Order (CCO) was made. This study aims to analyze the work items that change and the magnitude of the influence of Contract Change Order (CCO) on the contract value, implementation time and to find out the factors that cause the occurrence of Contract Change Order (CCO). From the results of the analysis, it was found that the Contract Change Order (CCO) phase I and II did not change the contract value, namely the initial contract value was recorded at Rp 23,527,203,196 and still did not undergo adjustment. The implementation time due to the Contract Change Order (CCO) has been increased in the form of a change in the implementation time after the submission of a contract addendum from the initial plan which was previously 165 calendar days from July 2 – December 13, 2024, given an extension of time for 4 calendar days until December 17, 2024 to 169 calendar days. And the factors causing the existence of a Contract Change Order (CCO) are the incompatibility of planning volume with the realization in the field, the addition of new work items and design changes as well as the existence of bad weather constraints.

Keywords: Contract Change Order, CCO, Project Time, Contract Value

ANALISIS PERCEPATAN WAKTU PENYELESAIAN PROYEK MENGGUNAKAN METODE FAST-TRACK (STUDI KASUS : PROYEK MANGGA HOUSE TIBUBENENG)

2025-12-31T01:01:20+00:00

The Mangga House Development Project located on Jl. Panggang, Gg. Mangga, Badung, Bali is a residential building project that has quite complex structural and architectural work. In its implementation, this project experienced delays due to several factors such as inadequate implementation methods, material delays, and slow work execution permits. So the project must be accelerated scheduling with the Fast Track method to find out what jobs can be accelerated to match the plan and to find out how much the cost difference after the acceleration is carried out. Data collection is obtained from primary data in the form of working hours and the number of project workers, while secondary data is in the form of Time Schedule, Budget Plan, and Working Drawings. Data analysis is carried out based on the realized Time Schedule described in Ms. Project to obtain the critical path of work that will be accelerated using the Fast Track method, then it will be found what jobs can be accelerated so that the project duration is according to plan. Then it is continued with the calculation of the cost difference between the realized duration and the acceleration. Acceleration of scheduling using the Fast Track method can accelerate the work of Bea$m WF 200.100.5,5.8, Single Swing Solid Panel Door Type-D-18, Roof Pergola$ Living Area, Roof Pergola Pathway. so that the results of the acceleration of 35 days from 406 days to 371 days. Then the cost difference is Rp 23,025,000 (Twenty Three Million Twenty Five Thousand Rupiah).

ANALISIS WASTE MATERIAL BAJA TULANGAN PADA PROYEK PEMBANGUNAN VADIM VILLA DENGAN METODE BAR BENDING SCHEDULE

2025-12-26T16:06:38+00:00

In the implementation of construction projects, reinforcing steel material is a component that greatly influences the cost of a project. Reinforcing steel material in the composition of concrete is a component that determines the cost of a project. In the implementation of construction projects in the field, the use of reinforcing steel material often results in large amounts of material waste that greatly affects the cost of the construction project, therefore it is necessary to minimize the waste of reinforcing steel material. To be able to reduce the waste of reinforcing steel material, it can be done by optimizing the need for reinforcing steel so as to reduce the remaining pieces that can be formed. The purpose of this study is to calculate the need and percentage of waste of reinforcing steel and to calculate the comparative cost of the Budget Plan with the analysis carried out. The method used to optimize the need for reinforcing steel is the bar bending schedule method. From this study, the results obtained are the need for D13 reinforcing steel as many as 444 bars and ø10 reinforcing steel as many as 482 bars. Then the remaining iron waste material produced is in the form of D13 reinforcing steel of 5.491, ø10 reinforcing steel of 4.114% and the difference between the Budget Plan and the analysis results is Rp. 36,360,506.00 (Thirty Six Million Three Hundred Sixty Thousand Five Hundred Six Rupiah)

ANALISIS PERBANDINGAN HARGA SATUAN PEKERJAAN FINISHING ANTARA LAPANGAN DAN SNI PADA PEMBANGUNAN KAWASAN IT FACILITY BRI TABANAN

2025-12-28T03:51:44+00:00

Analisa harga satuan pekerjaan merupakan salah satu faktor penting dalam penyusunan anggaran biaya proyek konstruksi. Untuk mengetahui hal tersebut dengan sebaik-baiknya, dapat dianalisis dengan menggunakan metode time study. Metode time study dengan pengukuran waktu kerja pada dasarnya untuk menentukan lamanya waktu kerja yang diperlukan oleh seorang untuk menyelesaikan suatu pekerjaan. Ketentuan umum yang dijadikan acuan adalah AHSP berdasarkan SNI 2022. Produktivitas dan biaya dipengaruhi oleh berbagai faktor dan tentunya akan bervariasi dari satu lokasi ke lokasi lainnya. Dalam penelitian ini objek yang akan diteliti adalah Pembangunan Kawasan IT Facility BRI Tabanan dengan pendekatan analisis komparatif kuantitatif. Analisis observasi digunakan metode Time Study dibantu dengan perangkat lunak Microsoft Exel untuk pengolahan data. Hasil perbandingan pada pekerjaan pasangan bata ringan didapatkan selisih biaya Rp.56,278.85 atau 26.04%, pada pekerjaan plesteran dengan mortar siap pakai didapatkan selisih biaya Rp.23,814.97 atau 19.08%, pada pekerjaan pasangan plafon gypsum didapatkan selisih biaya Rp.25,037.50 atau 23.92%, dan pada pekerjaan pasangan lantai homogenius 60 x 60 cm didapatkan selisih biaya Rp.102,397.50 atau 21.62%.

ANALISIS WASTE MATERIAL PADA PROYEK KONTRUKSI MELALUI PENDEKATAN FAULT TREE ANALYSIS

2025-12-29T00:39:49+00:00

Waste material is one of the critical issues encountered during the implementation of the Hilton Garden Inn Extension Construction Project in Nusa Dua, Badung, Bali. This research, which focuses on the project as a case study, found several types of materials being discarded during structural work execution. An in-depth analysis was therefore conducted to identify the dominant waste materials, their contributing factors, and appropriate handling strategies. The identification of dominant materials was carried out using the Pareto diagram method, followed by calculations of waste level, waste cost, and waste index to evaluate material usage efficiency. Fault Tree Analysis was then applied to determine the root causes of material waste based on basic events. The analysis revealed that the primary waste materials include ready-mix concrete with a compressive strength of F’c 25 MPa, and reinforcement steels D10, D16, and D13. The Fault Tree Analysis results showed that the main causes of waste stem from human factors, design issues, execution errors, management deficiencies, and external influences. Accordingly, the study recommends mitigation strategies including improved supervision, workforce training, and the application of more efficient working methods.

ANALISIS JENIS KERUSAKAN JALAN MENGGUNAKAN METODE PCI (PAVEMENT CONDITION INDEX) BESERTA PENANGANANNYA DI RUAS JALAN MAMBAL-LATU, BADUNG STA 0 + 000 – STA 3 + 000

2025-12-29T02:26:13+00:00

The condition of the Mambal-Latu road section has many potholes and the intensity of road users who use heavy vehicles on average makes this road section difficult to pass and causes additional travel time required. One method to analyze road damage is to use the PCI (Pavement Condition Index) method. Pavement Condition Index (PCI) is an estimate of road condition with a rating system to express the actual pavement condition with reliable and objective data. The results show that the average PCI value is 28 which means it needs improvement. The handling carried out is AC-BC (Asphalt Concrete Base Course) pavement and AC-WC (Asphalt Concrete Wear Course) with a total cost of Rp. 9.271.310.247,10.

MANAJEMEN PABRIKASI BESI TULANGAN PADA PROYEK DREAM VILLA DI KABUPATEN BADUNG MENGGUNAKAN METODE BAR BENDING SCHEDULE (BBS)

2025-12-29T05:40:20+00:00

Reinforcing steel is a critical material in construction projects; therefore, proper planning and management are required to minimize material waste. This study aims to analyze the required quantity and waste percentage of reinforcing steel in the Dream Villa project located in Badung Regency using the Bar Bending Schedule (BBS) method. A descriptive-analytic method with a comparative approach was employed, using secondary data such as structural shop drawings, the Work Plan and Specifications (RKS), and standards SNI 2052:2017 and SNI 2847:2013. Cutting patterns were produced using AutoCAD, while calculations of bar lengths, quantities, and total weight were carried out using Microsoft Excel. The findings show that BBS provides accurate and structured reinforcement data for each structural element, including pile caps, columns, sloofs, beams, and ring beams. The study reveals varying waste percentages across structural elements. Low waste values were found in columns, such as D13 main reinforcement with 1.29% waste and Ø8 stirrups with only 0.04% waste. Conversely, the highest waste occurred in ring beam D13 reinforcement at 25.75%, mainly due to suboptimal cutting lengths relative to standard bar lengths. Waste variation is influenced by the type of structural element, bar diameter, cutting precision, and the reutilization of leftover pieces. Overall, the BBS method is effective for material planning; however, field efficiency strongly depends on proper fabrication management. Improved cutting supervision and optimization of leftover reinforcement usage are necessary to reduce steel waste in construction projects.

ANALISA HARGA SATUAN PEKERJAAN STYLE BALI UKIRAN KAYU DI BANJAR ROBAN DESA SIANGAN KECAMATAN GIANYAR KABUPATEN GIANYAR

2025-12-30T14:19:47+00:00

This study aims to analyze the unit price of construction elements made from teak wood with traditional Balinese carvings in Gianyar Regency. The research focuses on three types of building elements: saka (columns), doors, and windows, which are essential parts of Balinese traditional architecture. The research was conducted using direct field observation and interviews with wood carving craftsmen. The data collected includes labor productivity, material requirements, and labor wages, which were then used to calculate labor coefficients and unit prices. The analysis results show that Balinese-style carving work has a high level of complexity that affects labor needs and production costs. The unit price for one set of saka is IDR 2,434,775.00 with a labor coefficient of 7.41 OH. The Balinese-style door work has the highest unit price at IDR 14,366,962.57 with a coefficient of 10.97 OH, while the unit price for one window is IDR 2,916,847.46 or IDR 5,833,694.92 per pair, with a labor coefficient of 12.32 OH. This research is expected to serve as a reference for cost estimation, project planning, and preparation of unit price analyses for traditional Balinese wood carving works.

ANALISIS PENJADWALAN PROYEK MENGGUNAKAN METODE CRITICAL PATH METHOD (CPM) DAN PROGRAM EVALUATION AND REVIEW TECHNIQUE (PERT)

2025-12-30T15:55:00+00:00

Project scheduling is a crucial aspect of construction management to prevent delays and cost overruns. This study was conducted on the construction project of SMP Negeri 3 Kuta, located in Badung Regency, which had an actual implementation duration of 169 calendar days. The scheduling analysis methods used in this study were the Critical Path Method (CPM) and the Program Evaluation and Review Technique (PERT). Based on the calculations, CPM resulted in a planned duration of 154 days, while PERT produced an expected time (Te) of 158 days. Probability analysis using the z-score distribution showed that the likelihood of completing the project within 154 days was only 14,03%, within 158 days was 50%, and within 168 days was 100%. These results indicate that although the initial CPM-based plan was efficient, the PERT approach provides a more realistic perspective in anticipating schedule risks. Therefore, integrating both CPM and PERT methods is highly recommended to produce a project schedule that is both efficient and adaptable to field uncertainties.

Keywords: Scheduling, Critical Path Method (CPM), Program Evaluation and Review Technique (PERT), Probability, Critical Path.

ANALISIS PERBANDINGAN BIAYA DAN WAKTU PENGGUNAAN PERANCAH BAMBU DAN SCAFFOLDING PADA PROYEK URBAN HEAVEN RESIDENCE DAN VILLA KONG

2025-12-30T16:47:51+00:00

This study aims to compare the time and cost efficiency between the use of bamboo scaffolding and metal scaffolding in the floor slab casting work of multi-story buildings. The research was conducted on two different construction projects: a two-story residential house using bamboo scaffolding with an area of 103.8 m², and a three-story villa using metal scaffolding with an area of 171.914 m². Data were collected through field observation, interviews, and analysis of documents and shop drawings. The results show that in terms of cost, bamboo scaffolding has a unit cost of Rp 125,780.00/m², which is higher than scaffolding at Rp 81,322.92/m² due to the longer installation duration. However, in terms of time efficiency, metal scaffolding is proven to be 5.678 times faster than bamboo scaffolding. This speed advantage is attributed to the modular system of scaffolding, which simplifies installation. Although scaffolding is superior in terms of execution time, bamboo scaffolding can still be considered for low-budget projects since the materials can be reused. Therefore, the selection of scaffolding type should take into account the cost, time, and overall project conditions.

MANAJEMEN RISIKO PEKERJAAN PEMELIHARAAN TUKAD AYUNG DI KOTA DENPASAR

2025-12-27T10:10:27+00:00

The maintenance of the Ayung River aims not only to maintain the cleanliness and smooth flow of the river itself, but also as part of a broader environmental conservation effort to create a more environmentally friendly and sustainable city. This study aims to identify, assess, and determine risk acceptance, determine dominant risks, and provide mitigation and risk ownership for these dominant risks to determine the costs and time associated with them. The study used a qualitative descriptive method. Brainstorming and questionnaires were selected as data collection techniques, with 26 respondents selected using purposive sampling. Fifteen valid risk identifications were obtained, based on the results of brainstorming with the involved parties. The results of the risk assessment and acceptance consisted of 9 unacceptable risks with 3 types of mitigation measures taken: reducing, transferring, and avoiding the risk; and 6 undesirable risks with 1 type of mitigation measure taken: reducing the impact. The dominant unacceptable risk is the difficulty of drilling due to sandy soil in the downstream area. Mitigation for this dominant risk is carried out by using protective casing in the form of pipes to prevent sand from entering the drilling area or by changing the work item from drilling to a multi-purpose panel system.

ANALISIS KOEFISIEN PRODUKTIVITAS TENAGA KERJA PADA PEKERJAAN BALOK DAN KOLOM PADA PEMBANGUNAN PROYEK MATAHATI RESORT KABUPATEN GIANYAR

2025-12-29T01:14:32+00:00

The background is the difference in productivity values in the field with PUPR standard Number 28/PRT/2016. The purpose of the research is to measure, analyze, and compare the value of the labor productivity coefficient in the field with the PUPR reference. The method used is quantitative descriptive through field observation, work volume measurement, recording the number of labor, as well as productivity and coefficient calculation. The analysis was carried out using Microsoft excel by comparing the scores in the field to the 2016 PUPR standard. The results that show the difference in the co-efficient in each type of work and labor group, some of the values are smaller, and some others get greater results than the standard, influenced by field conditions and working methods. It is concluded that periodic productivity evaluation is necessary to increase the efficiency and accuracy of project planning.

PEMILIHAN JENIS PONDASI ANTARA PONDASI TIANG PANCANG DAN BORED PILE, DITINJAU DARI SEGI LINGKUNGAN DAN BIAYA PADA PROYEK PEMBANGUNAN GEDUNG LAYANAN PENDIDIKAN POLTEKKES KEMENKES DENPASAR TAHAP 1

2025-12-29T03:27:13+00:00

Infrastructure and high-rise building development in Indonesia continues to increase in line with societal needs and technological progress. In such construction projects, every work item is interconnected, with foundation work being one of the most critical elements. The foundation serves to receive and transfer building loads directly into the soil. This study aims to compare the suitability of pile foundations and bored pile foundations for application in the area surrounding Poltekkes Kemenkes Denpasar.

The research was conducted through direct field observations, interviews, and the collection of secondary data from project documents. The analysis results indicate that environmental impacts such as vibration, air quality, noise, and traffic disruption are more significant with pile foundations compared to the relatively minimal impacts of bored pile foundations. The cost analysis for 169 foundation points shows that pile foundations require Rp. 1,959,250,000.00, whereas bored pile foundations require Rp. 1,260,600,000.00. These findings demonstrate that bored pile foundations are more economical in terms of cost compared to pile foundations. Overall, the use of bored pile foundations is considered more effective and efficient than pile foundations, particularly when viewed from environmental conditions and cost, making them more suitable for implementation in densely populated areas.

ANALISIS PENGGUNAAN MOBILE CRANE YANG PALING EFEKTIF DAN EFISIEN PADA PELAKSANAAN ERECTION PROYEK PEMBANGUNAN PABRIK PLANT 4 PT SURYARAYA RUBBERINDO INDUSTRIES

2025-12-30T12:58:40+00:00

The erection stage of steel structures is a critical phase in construction projects, particularly for large-scale developments such as the Plant 4 Factory Construction Project of PT Suryaraya Rubberindo Industries. This study aims to analyze and compare the time and cost efficiency between two mobile crane utilization methods: using a single mobile crane and using two mobile cranes simultaneously. The research adopts a descriptive quantitative approach through field observations, interviews, and calculations of equipment productivity and operational costs. The findings indicate that the single mobile crane method requires a total duration of 175.25 hours with an operational cost of IDR 372.000.000. In contrast, the two-crane method only requires 88.66 hours with an operational cost of IDR 339,000,000. Although the two-crane method presents a higher coordination risk, it is proven to be more efficient in terms of both time and cost. Therefore, the two-crane method is recommended as the most optimal erection approach for this project, provided that strict and structured safety risk management is implemented.

ANALISIS KELAYAKAN INVESTASI PADA PEMBANGUNAN VILLA JENNA BISMA UBUD, BALI

2025-12-30T15:07:18+00:00

This study analyzes the investment feasibility of the Villa Jenna Bisma Ubud project. This type of research is quantitative. This study utilizes primary and secondary data obtained through direct surveys, observations, interviews, and documentation related to costs, income, and other important assumptions. The data analysis technique used is based on market aspects using the Trend Linear method and financial aspects using the Net Present Value (NPV), Benefit Cost Ratio (BCR), Internal Rate of Return (IRR), and Payback Period (PBP) methods. The evaluation results show that this investment is feasible in terms of the market which shows a positive trend in tourist visits and room occupancy rates and financially with a positive NPV value of Rp. 1.660.583.264,75, a BCR of 1.09 which indicates that investment benefits are greater than costs, and an IRR of 19.25% which exceeds the MARR of 5%, indicating a profitable rate of return on investment. In addition, the PBP of 12 years 22 days is faster than the project's 20-year life, indicating an optimal return on investment in a relatively short time. This study provides a comprehensive overview that supports investment decisions for the Villa Jenna Bisma Ubud project and serves as an important reference for planning and managing similar projects in the future.

Keywords: NPV, BCR, IRR, PBP

ANALISIS PENYEBAB DAN DAMPAK KETERLAMBATAN PROYEK MENGGUNAKAN METODE FAULT TREE ANALYSIS DAN EVENT TREE ANALYSIS PADA PEKERJAAN PINTU JENDELA ALUMINIUM (STUDI KASUS PROYEK ITB INNOVATION PARK BANDUNG)

2025-12-30T16:06:45+00:00

Project delays are often difficult problem to avoid. Aluminum door and window installation plays a crucial role in building. These components are often the final elements in the finishing process, so these delays can impact the project schedule. The ITB Innovation Park Bandung project used approximately 650 aluminum frames. The work was scheduled for completion in June 2024, but was only completed at the end of October 2024. The purpose of this study was to determine the main risk factors causing delays and to determine the impact of delays in aluminum door and window work on the ITB Innovation Park Bandung Project.

This study uses the Fault Tree Analysis (FTA) method, explaining various interactions that cause delays. Furthermore, the Event Tree Analysis (ETA) method is used to assess the consequences of an event by mapping a series of possible outcomes. FTA and ETA play an important role as a basis for assessing the risk level of project delays in the installation of aluminum doors and windows for the ITB Innovation Park project. The method used is the distribution of questionnaires to respondents. The questionnaire results contain primary data used for analysis in the study.

Identification of factors causing project delays through FTA with two dominant aspects, the production process does not run according to plan with a probability of 0.970 and a suboptimal project management system with 0.861. The probability of project delay is calculated by combining the minimum cut set of factors in FTA, showing a high probability of 0.958, reflecting systemic delays and involving many project elements simultaneously. The impact of delays based on ETA, the more failed pivotal events, the project risk increases significantly. ETA shows the highest risk of suboptimal preventive controls with the "high" category according to the risk matrix.

Keywords: aluminum doors and windows, delay, Event Tree Analysis, Fault Tree Analysis

ANALISIS PENYEBAB DAN DAMPAK PERUBAHAN PESANAN KONTRAK (CCO) TERHADAP BIAYA DAN KINERJA WAKTU PROYEK (Studi Kasus: Pembangunan Gedung Rumah Sakit Umum Daerah Suwiti, Petang-Badung)

2025-12-30T23:32:11+00:00

Contract Change Order (CCO) refers to contract modifications that frequently occur in construction projects due to discrepancies between the initial plan and actual site conditions. The occurrence of CCO in project execution impacts both the project’s cost and schedule. This study aims to analyze the causes of Contract Change Orders and assess their impact on contract value and project duration. The research method employed is descriptive quantitative. The analysis reveals that the main causes of CCO include changes in foundation work from pile driving to bored piles, the addition and omission of certain work items, as well as the introduction of new work items. CCO in phases I and II did not alter the contract value. However, CCO in phase III resulted in an increase in the contract value from IDR 40,323,580,000.00 to IDR 44,355,938,000.00, representing a 10% increase. The project duration was also extended due to the CCO, from the original 150 days (22 weeks) to 195 days (28 weeks)