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Acceleration Cost Analysis with Critical Path Method: (Case Study on Jakarta Sewerage Development Project Zone 1, Package 2: Construction of Wastewater Sewers in Area 1-1) Ade Sholeh Hartawan; Budi Witjaksana; Esti Wulandari
International Journal of Social Science and Community Service Vol. 2 No. 4 (2024): OCTOBER
Publisher : CV. Proaksara Global Transeduka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70865/ijsscs.v2i4.11

In a construction project, preparation work typically includes tasks related to setting up work facilities, conducting field investigations, obtaining permits, and non-structural activities. The Jakarta Sewerage Development Project Zone 1, Package 2, which involves the construction of sewers in Area 1-1, is currently in the preparation phase and is experiencing challenges due to a complex permit process. This has led to minimal progress as the initial project planning did not consider the time needed to secure the necessary permits for implementation. The author is therefore evaluating the project timeline to gauge performance during the preparation phase before actual construction begins. This study utilizes the Critical Path Method (CPM) scheduling technique in Microsoft Project to pinpoint critical activities. Upon analysis, it was found that the budget plan for Package 2 of the Jakarta Sewerage Development Project (Zone 1) was detailed and included various work descriptions, with a total budget of IDR 862,292,086,196. However, delays have occurred, resulting in a 17-day setback in the project schedule, necessitating work acceleration. To bring the project duration back in line with the original schedule as per the contract, acceleration was required. This was carried out on the Shaft Construction C-8.1, which was initially set to take 80 days but was shortened to 63 days through time acceleration, incurring a cost of IDR 23,279,288.

Analysis of Investment Sensitivity in The Construction of The Gelora Bung Tomo Surabaya Circuit Leo Agus Sulistianto; Budi Witjaksana; Esti Wulandari
International Journal of Social Science and Community Service Vol. 2 No. 4 (2024): OCTOBER
Publisher : CV. Proaksara Global Transeduka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70865/ijsscs.v2i4.12

Provision of Sports Prasarana is an attempt to fulfill the basic rights of the public to obtain services in sports activities, as listed in Law of the Republic of Indonesia Number 11 of 2022 concerning Sports 2022. The growing automotive industry is one important sector that significantly contributes to Indonesian economic growth. Based on the Surabaya City for 2021-2026 calls for the creation of an integrated area, with the Gelora Bung Tomo area serving as an international sports center and integrating with the growth of trade and service functions in Surabaya's surrounding areas. The aim of this study is to measure the amount of investment income and revenue limits in an effort to reduce the risks associated with the investment in the circuit. We carry out flow calculations using the Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), and Payback Period (PP) methods, and then analyze the sensitivity. We reviewed the sensitivity analysis based on several parameters, including commercial rent income and circuit management costs. The development of Tomo's Gelora Circuit is sensitive to a loss of income from the rental of business or commercial premises of 8%, which will affect a decline in profit, resulting in a negative net present value (NPV) and prolonging the rate of return. Additionally, it is sensitive to an increase in management costs by 12%.

Analysis of Contractual Based Construction Implementation and Self-Managed Construction Implementation Based on Community Empowerment Aki’ Suprapto; Esti Wulandari; Hanie Teki Tjendani
International Journal of Social Science and Community Service Vol. 2 No. 3 (2024): JULY
Publisher : CV. Proaksara Global Transeduka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70865/ijsscs.v2i3.30

This research aims to determine community empowerment-based self-management construction projects and contractual-based construction projects in Sumenep District, using the AHP (Analytical Hierachy Process) method. The AHP method is used to analyze the results of the questionnaire so that the weight value of the criteria and sub criteria can be known as the basis for selecting the implementation of construction activities. Based on the results of the analysis of alternative construction implementation contractual weight is 0.501 and community empowerment is 0.499. The implementation of contractual-based construction projects is preferred with consideration of a more organized implementation, both in time (time schedule) and regulations governing it such as sanctions and fines when there are obstacles in the field being part of the responsibility for the implementation of contractual-based construction. Contractual-based construction implementation tends to be more organized and in accordance with strict schedules and regulations, including sanctions and fines if there are obstacles in the field. In contrast, self-managed construction based on community empowerment, such as in the village fund program, often has leeway in terms of a longer implementation period and supervision carried out by the community itself, not by experts. Thus, stakeholders are expected to clarify the regulations governing which works are carried out in a self-managed manner and which works are carried out contractually in government programs.

Analysis of Cost and Time To Complete of Office Project with The Earned Value Method: (Case study: Office of Bahtera Elang Perak Indonesia Surabaya) Linda Nailufar; Budi Witjaksana; Esti Wulandari
International Journal of Social Science and Community Service Vol. 2 No. 4 (2024): OCTOBER
Publisher : CV. Proaksara Global Transeduka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70865/ijsscs.v2i4.33

The rescheduling of the initial schedule carried out on the Bahtera Elang Perak Indonesia Office Construction project has an impact on increasing the duration of work causing the project completion target to be delayed from the time it should be. Increasing the project completion target can affect the amount of costs incurred. The contract value for this office construction project is Rp. 13,908,226,157 with a work duration of 43 weeks to 54 weeks. The current condition of work progress at week 31 is -0.225% while the total actual cost or that has been incurred during the work is Rp. 3,191,740,254. To overcome this, an analysis is carried out on the value of the estimate at complete (EAC) and time estimate (TE) of the Surabaya BEPI Office Construction Project using the earned value method. This method combines the elements of cost, schedule, and work performance. The earned value method aims to determine the estimated cost and time of project completion. From the results of the analysis conducted in the 41st week, it was obtained that the estimated cost and time to complete the project implementation (EAC) was 14,289,833,105, - and the estimated time (TE) was 499 days, which was 121 days later than the original schedule.

Analysis of Road Preservation Priority Criteria Based on the Provincial/Kabupaten Road Management System (PKRMS) on the Arjosari–Purwantoro Road Section, Pacitan Regency Hanggana Prayuda Bakti; Hanie Teki Tjendani; Esti Wulandari
Enrichment: Journal of Multidisciplinary Research and Development Vol. 4 No. 5 (2026): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v4i5.735

Road infrastructure plays a strategic role in supporting community mobility, the distribution of goods and services, and regional economic development. However, limited regional budgets require local governments to establish preservation priorities systematically to ensure effective and efficient resource allocation. The Provincial/Kabupaten Road Management System (PKRMS) provides comprehensive technical data on road conditions, yet technical data alone are insufficient for determining preservation priorities when multiple road segments compete for limited funding. This study aims to analyze the criteria influencing road preservation priorities based on PKRMS data for the Arjosari–Purwantoro Road Section in Pacitan Regency. The criteria analyzed include pavement condition, traffic volume, road function, regional connectivity, socio-economic benefits, accessibility to public facilities, and estimated maintenance costs. The Analytical Hierarchy Process (AHP) was employed to determine the relative importance of each criterion through pairwise comparisons, producing a prioritized ranking that supports objective decision-making. The integration of PKRMS and AHP provides a structured framework for evaluating road segments based on both technical and strategic considerations. The results of this study are expected to identify the most influential criteria in determining road preservation priorities and to provide a rational basis for prioritizing preservation programs on the Arjosari–Purwantoro Road Section. Furthermore, the proposed approach is expected to assist local governments in developing road preservation plans that are effective, efficient, transparent, and accountable, while maximizing the socio-economic benefits of limited infrastructure investment.

Recommended Road Maintenance Strategy for the Wareng–Mukus Road in Pacitan Regency Based on the Analytical Hierarchy Process (AHP) and the Provincial/Kabupaten Road Management System (PKRMS) Wahyu Kusuma Wardhana; Hanie Teki Tjendani; Esti Wulandari
Enrichment: Journal of Multidisciplinary Research and Development Vol. 4 No. 5 (2026): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v4i5.741

Road infrastructure plays a crucial role in supporting regional connectivity, economic activity, and public services. However, limited maintenance budgets require local governments to establish effective road maintenance priorities based on both pavement condition and the strategic importance of road networks. This study aims to determine the recommended maintenance strategy for the Wareng–Mukus Road Section in Pacitan Regency by integrating the Analytical Hierarchy Process (AHP) and the Provincial/Kabupaten Road Management System (PKRMS). AHP was used to determine the relative importance of decision criteria through pairwise comparisons with expert respondents, while PKRMS was used to evaluate pavement condition based on engineering indicators the Surface Distress Index (SDI) and Trafficability Index (TTI) and to identify appropriate maintenance alternatives. The results show that road condition is the most influential criterion (weight 34.27%), followed by traffic volume (23.63%), connectivity (15.65%), economic and agricultural corridor function (12.04%), access to public service facilities (7.70%), and regional development (6.71%). Based on the integrated AHP–PKRMS analysis, periodic preventive maintenance emerged as the most appropriate strategy, with the highest priority value of 57.00%, followed by minor rehabilitation (25.51%) and routine maintenance (17.50%). This recommendation aligns with the existing pavement condition, classified as serviceable fair according to TTI and good according to SDI. The integration of AHP and PKRMS provides a systematic, objective decision-making framework that supports evidence-based maintenance planning, optimizes resource allocation, and enhances the sustainability of road asset management.

Analysis of Cost and Time Performance for Rehabilitation of Ws Brantas Retention Basin Using the Earned Value Method Atma Djendra Purbo; Esti Wulandari; Laksono Djoko Nugroho
Enrichment: Journal of Multidisciplinary Research and Development Vol. 3 No. 1 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v3i1.271

This research analyzes the cost and time performance of the WS Brantas reservoir rehabilitation project using the Earned Value method, addressing challenges such as cost overruns and schedule delays. The objectives include identifying cost and schedule deviations through the Schedule Performance Index (SPI) and Cost Performance Index (CPI) indicators, and evaluating the method's effectiveness in enhancing project management efficiency. Employing a qualitative descriptive approach, data were collected from nine project sites across Jombang, Tulungagung, and Blitar Regencies over six months, utilizing MS Project 2016 for analysis. Findings reveal significant deviations, with projects like Embung Kerjen incurring additional costs of Rp15,816,784 and an SPI of 0.66. The leading causes of delays included terrain constraints, material delays, and changes in work volume. The study underscores the importance of the Earned Value method as a standardization tool for project supervision, suggesting that its integration with project management technology can improve accountability and efficiency in budget use. This research provides valuable insights for academics and practitioners, offering practical solutions to common project management challenges and assisting government stakeholders in enhancing project supervision standards. By demonstrating the applicability of the Earned Value method in a government context, this study contributes to the development of effective infrastructure management strategies in Indonesia.

Analysis of Factors Causing the Risk of Work Accidents in the Construction of the CWI-02 ITS Surabaya Package Building Dwi Atwin Suyitno; Hanie Teki Tjendani; Esti Wulandari
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 11 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i11.310

Transportation is an important part that cannot be separated from human life, as it plays a crucial role in various aspects, including socio-cultural, economic, engineering, political, defense, and legal sectors. Roads are one of the primary means of transportation that significantly impact the development and progress of a region by facilitating the movement of goods, services, and people. The purpose of this study is to determine the performance of the Maliana - Bobonaro road transportation section, which serves as a vital route connecting key areas and supporting local economic growth. This study utilizes the Calculation Capacity Road method based on the PKJI 2023 (Indonesian Road Capacity Guidelines) to assess road performance and travel time. The results of the study indicate that the Maliana – Bobonaro road section demonstrates good performance, with a capacity (C) of 2735.85 smp/hour, a degree of saturation of 0.235 and 0.195, and a level of service categorized as A and B. These results suggest that the road operates efficiently with minimal congestion, ensuring smooth traffic flow and reducing travel time. However, continuous monitoring and periodic evaluations are essential to maintain this performance level, especially with potential future increases in traffic volume due to regional development. This study provides valuable insights for policymakers and transportation planners in improving road infrastructure and ensuring sustainable transportation systems.

Performance Index Analysis on the Construction of Probolinggo - Banyuwangi Toll Road Package 3 Ummatus Sholikhah; Hanie Teki Tjendani; Esti Wulandari
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 11 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i11.311

This study analyzes the performance index of the Probolinggo-Banyuwangi Toll Road Package 3 construction project using the Earned Value Method (EVM) to evaluate time and cost performance. Infrastructure projects, particularly toll roads, play a vital role in enhancing regional connectivity and economic growth. However, large-scale construction projects frequently face challenges such as cost overruns and delays. The Earned Value Method provides a comprehensive framework for measuring project performance by comparing planned costs, actual expenditures, and completed work. This research employs key performance indicators, including Budgeted Cost of Work Scheduled (BCWS), Budgeted Cost of Work Performed (BCWP), and Actual Cost of Work Performed (ACWP), to determine the Schedule Performance Index (SPI) and Cost Performance Index (CPI). The findings reveal that the project experienced schedule delays, with an SPI of 0.93, indicating that work progress was behind the planned schedule. However, the project maintained cost efficiency, as shown by a CPI of 1.06, reflecting lower actual costs than budgeted. The study highlights the importance of continuous performance monitoring using EVM to identify potential risks, optimize resource allocation, and support timely decision-making. The results provide valuable insights for project managers to improve efficiency and ensure project success in large-scale infrastructure developments.

Road Performance Analysis in Maliana District, Bobonaro Regency, Timor Leste domingos godinho; Hanie Teki Tjendani; Esti Wulandari
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 11 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i11.312

Transportation is an important part that cannot be separated from human life, as it plays a crucial role in various aspects, including socio-cultural, economic, engineering, political, defense, and legal sectors. Roads are one of the primary means of transportation that significantly impact the development and progress of a region by facilitating the movement of goods, services, and people. The purpose of this study is to determine the performance of the Maliana - Bobonaro road transportation section, which serves as a vital route connecting key areas and supporting local economic growth. This study utilizes the Calculation Capacity Road method based on the PKJI 2023 (Indonesian Road Capacity Guidelines) to assess road performance and travel time. The results of the study indicate that the Maliana – Bobonaro road section demonstrates good performance, with a capacity (C) of 2735.85 smp/hour, a degree of saturation of 0.235 and 0.195, and a level of service categorized as A and B. These results suggest that the road operates efficiently with minimal congestion, ensuring smooth traffic flow and reducing travel time. However, continuous monitoring and periodic evaluations are essential to maintain this performance level, especially with potential future increases in traffic volume due to regional development. This study provides valuable insights for policymakers and transportation planners in improving road infrastructure and ensuring sustainable transportation systems.

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