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Cost Control Analysis with Earned Value Method in the Construction Work of Improving the Drainage Channel on the Dr. Soetomo Road, Samarinda, East Kalimantan Atros, Pahridal; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 2: March 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i2.3263

Dr. Soetomo Street drainage channel in Samarinda often experiences flooding during the rainy season. With the existing puddles, it will disrupt the activities of the surrounding community. If the puddle problem is not resolved, it can cause a bigger disaster that harms the local community. If the puddle problem is not resolved, it can cause a bigger disaster that harms the local community, both property and lives. Dr. Soetomo Street is one of the roads in Samarinda City that still often experiences puddles due to drainage channels that cannot accommodate or drain surface water. This research was conducted with the intention of controlling costs using the earned value method. The research method with calculations and analysis using the Earned Value Analysis Concept. The project cost performance did not match the budgeted costs in the 14th week, the costs incurred were Rp. 6,728,308,349 with an actual weight of 59.25%. The calculation of the CPI value <1 from week 1 to week 12. This means that the project from week 1 to week 14 cost more than planned or the project was more wasteful. At the end of the review period, namely week 12, the estimated total final project cost was Rp. 6,728,308,349, taken from the EAC value. If the tendency of the project performance condition is the same as at the end of the review, namely week 12, the estimated value does not exceed the project plan cost of Rp. 4,750,000,000.

Feasibility Analysis of Clean Water System Investment of Tirta Tuah Benua Drinking Water Company, East Kutai, Kaliorang District Rahmawati, Rini; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 2: March 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i2.3264

Water is a very vital natural resource and is needed to determine the sustainability of life of all living things on this earth. The problem faced is that the clean water system to residential areas is not smooth, to overcome this, a good clean water distribution network and good clean water system management are needed and are able to serve the clean water needs of residents in the area. In order to realize this, a fairly large investment is needed. One of them is by implementing company investment in the form of increasing the capacity of the raw water supply system. Based on the background mentioned, the title of this study is Feasibility Analysis of Clean Water System Investment at Perumda Air Minum Tirta Tuah Benua Kutai Timur, Kaliorang District. The solution method in this calculation for Feasibility Investment Analysis uses the Net Present Value (NPV) method, the Internal Rate of Return (IRR) method. From the results of the analysis, it was obtained that the NPV value was IDR 4,627,419,730 (NPV> 0). So the investment in developing production capacity and clean water networks at Perumda Air Minum Tirta Tuah Benua, Kaliorang District, is feasible to continue. A positive NPV value or greater than (>0) indicates that the income is greater than the invested value. The IRR value obtained is 15.50% > 10% (the minimum expected interest rate), so the investment in developing the production capacity and clean water network of Perumda Air Minum Tirta Tuah Benua, Kaliorang District is feasible to be implemented.

Life Cycle Cost Concept in Maintenance of Office Building of Karhutla Workshop Uptd Kphp Berau Barat Rusmin, Rusmin; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 2: March 2025
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i2.3265

In Indonesia, Building Maintenance Guidelines have been stipulated in the Regulation of the Minister of Public Works No. 24/PRT/M/2008 concerning Guidelines for Building Maintenance and Care. The construction of the office building of the KARHUTLA workshop of UPTD KPHP Berau Barat is certain to increase every year, of course it must be followed by good and planned management, not only construction costs but there are important costs that need to be considered as a reference for managers to run and operate the building, namely planning the future costs of the building itself including operational costs, maintenance costs and replacement. The Life Cycle Cost (LCC) method is one part of the building management and maintenance strategy. From the background of the problem, a study was conducted entitled Analysis of Maintenance Based on Life Cycle Cost in the Office Building of the KARHUTLA Workshop of UPTD KPHP Berau Barat. The solution method in this calculation is for Investment Feasibility Analysis using Initial Cost Analysis, Operational Cost Analysis, Maintenance and Care Cost Analysis, Demolition Cost Analysis. From the results of the analysis, it was obtained that there were three groups that compiled the Life Cycle Cost analysis plan for the UPTD Berau Barat workshop building, namely, initial construction costs, operational costs, maintenance costs and demolition costs. The initial construction cost of the UPTD Berau Barat workshop building cost Rp2,515,780,000.00 (48%), operational costs of Rp870,000,000.00 (17%), maintenance and care costs of Rp1,601,275,363.86 (30%), demolition costs of Rp251,178,000.00 (5%). The total Life Cycle Cost of the UPTD Berau Barat workshop building for 25 years is Rp5,234,233,363.86. In operational costs, the largest cost is the utility cost of Rp540,000,000.00 (62%) followed by employee salary costs of Rp330,000,000.00 (38%). In terms of maintenance costs, the largest costs are architectural costs of Rp. 1,433,035,692.66 (92%), followed by mechanical & electrical costs of Rp. 123,719,815.22 (8%).

Identification of Factors And Recommendations for Improving Passenger Terminal Service Performance at Banyuwangi Airport Nugroho, Deden; Oetomo, Wateno; Marleno, Risma
Journal of Social Science Vol. 6 No. 2 (2025): Journal of Social Science
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

The performance of passenger terminal services at Banyuwangi Airport is a critical determinant of the user experience in air transportation services, directly impacting passenger satisfaction and the airport's reputation. This research aims to evaluate the quality of services provided, identify key factors influencing service performance, and propose actionable recommendations for improvement. Using the Analytical Hierarchy Process (AHP) method, the study reveals that waiting room facilities, information services, and check-in process efficiency are the most significant elements requiring attention. Additionally, while passengers express high satisfaction with basic facilities such as hygiene and toilets, areas such as the circulation space and baggage services exhibit shortcomings that hinder operational efficiency and user comfort. To address these issues, several recommendations are proposed, including redesigning the circulation area to enhance passenger flow, optimizing baggage handling processes to improve speed and reliability, and introducing additional amenities such as more seating areas, improved signage, and dedicated zones for special needs passengers. These findings offer a strategic framework for Banyuwangi Airport managers to prioritize and implement targeted improvements, ultimately enhancing the overall passenger experience and supporting the airport's role as a gateway to East Java's tourist destinations.

Comparative Analysis of Cost and Time in the Implementation of Rigid and Flexible Pavement: A Case Study of the Sambeng–Kedewan Road Section, Bojonegoro District Siswanto; Oetomo, Wateno; Marleno, Risma
Asian Journal of Social and Humanities Vol. 3 No. 10 (2025): Asian Journal of Social and Humanities
Publisher : Pelopor Publikasi Akademika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59888/ajosh.v3i10.580

Road infrastructure plays a crucial role in supporting economic growth, particularly in agrarian and resource-rich regions. This research aims to conduct a comparative analysis of rigid and flexible pavement types in terms of cost efficiency and construction duration on the Sambeng–Kedewan road segment in Bojonegoro Regency. Utilizing the MDPJ 2017 method for flexible pavement design and Pd T-14-2003 for rigid pavement, this research employs a quantitative descriptive-comparative approach to analyze structural thickness, estimated construction costs, and implementation timelines for both 20- and 40-year design life spans. Primary data were collected through field surveys, including Dynamic Cone Penetrometer (DCP) tests for subgrade CBR values, while secondary data were sourced from government agencies and technical literature. Traffic load analysis was performed using ESA5 (Equivalent Standard Axle 5-ton) and JSKN (Number of Commercial Vehicle Axles) parameters, and cost efficiency was evaluated through RAB (Cost Budget Plan) and life cycle cost analysis (LCCA). Findings from various case studies and technical assessments indicate that although rigid pavement involves higher initial investment, it offers greater longevity and lower maintenance expenses in the long term. This research provides crucial insights for local governments in determining the most efficient pavement type under limited budgets and strict construction timeframes. The results are expected to serve as a reference for future infrastructure planning in similar rural and agricultural regions.

Comparative Analysis of Cost and Time Between Flexible and Rigid Pavement on the Siwalanpanji Kemiri Hariyanto, Tri Perwira; Oetomo, Wateno; Marleno, Risma
Asian Journal of Social and Humanities Vol. 3 No. 10 (2025): Asian Journal of Social and Humanities
Publisher : Pelopor Publikasi Akademika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59888/ajosh.v3i10.584

This research presents a comparative analysis of the cost and construction time between flexible and rigid pavement structures on the Siwalanpanji-Kemiri road section in Sidoarjo Regency, East Java, Indonesia. The area is undergoing a functional shift from rural to industrial, necessitating durable infrastructure to accommodate increasing heavy vehicle traffic. Using the 2024 Indonesian Pavement Design Manual (MDPJ), the research evaluates the technical and economic viability of both pavement types over 20-year and 40-year service lives. Key parameters include Average Daily Traffic (ADT) projections, Cumulative Equivalent Single Axle Load (CESAL), and subgrade strength derived from Dynamic Cone Penetrometer (DCP) tests. These inputs inform pavement thickness designs and cost estimates based on local unit prices (HSPK). Findings reveal that flexible pavement offers faster construction (9 days vs. 39–49 days for rigid) but incurs 38% higher long-term costs due to frequent maintenance. Rigid pavement, despite longer initial construction time, proves more economical over 40 years, with lower maintenance needs and superior durability under heavy loads. Cost analysis shows rigid pavement saves up to IDR 3.5 billion compared to flexible alternatives over four decades. The study also highlights the sustainability benefits of reusing existing materials, aligning with environmental goals. These results provide actionable insights for the Sidoarjo Public Works Agency, emphasizing rigid pavement as the optimal choice for industrializing corridors. The research underscores the importance of life-cycle cost analysis and context-specific design in infrastructure planning, offering a model for similar regions facing rapid urbanization and traffic growth.

Comparative Analysis of Cost and Time in the Implementation of Rigid and Flexible Pavement: A Case Study of the Sambeng–Kedewan Road Section, Bojonegoro District Siswanto, Siswanto; Oetomo, Wateno; Marleno, Risma
Asian Journal of Social and Humanities Vol. 3 No. 10 (2025): Asian Journal of Social and Humanities
Publisher : Pelopor Publikasi Akademika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59888/ajosh.v3i10.580

Road infrastructure plays a crucial role in supporting economic growth, particularly in agrarian and resource-rich regions. This research aims to conduct a comparative analysis of rigid and flexible pavement types in terms of cost efficiency and construction duration on the Sambeng–Kedewan road segment in Bojonegoro Regency. Utilizing the MDPJ 2017 method for flexible pavement design and Pd T-14-2003 for rigid pavement, this research employs a quantitative descriptive-comparative approach to analyze structural thickness, estimated construction costs, and implementation timelines for both 20- and 40-year design life spans. Primary data were collected through field surveys, including Dynamic Cone Penetrometer (DCP) tests for subgrade CBR values, while secondary data were sourced from government agencies and technical literature. Traffic load analysis was performed using ESA5 (Equivalent Standard Axle 5-ton) and JSKN (Number of Commercial Vehicle Axles) parameters, and cost efficiency was evaluated through RAB (Cost Budget Plan) and life cycle cost analysis (LCCA). Findings from various case studies and technical assessments indicate that although rigid pavement involves higher initial investment, it offers greater longevity and lower maintenance expenses in the long term. This research provides crucial insights for local governments in determining the most efficient pavement type under limited budgets and strict construction timeframes. The results are expected to serve as a reference for future infrastructure planning in similar rural and agricultural regions.

Analysis of Time and Cost Control Using The Earned Value Method In Well Pad Hilling and Compacting Work In The PT. Pertamina Hulu Rokan Riau Province Bonny, Apde; Oetomo, Wateno; Marleno, Risma
Devotion : Journal of Research and Community Service Vol. 3 No. 14 (2022): Special Issue
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/dev.v3i14.339

The development of physical facilities in Indonesia is increasing rapidly along with the promotion of modernization. In the implementation of a project it is very rare to find a project that goes exactly as planned. Generally, they experience delays from what was planned, both in terms of time and progress of work, but there are also projects that experience acceleration from the initial schedule planned. The research objectives were to determine time and cost performance, and to determine cost estimates and final project completion time for the Well Pad stockpiling and compaction project in the Rokan Riau Oil and Gas Block environment. The method used in this study is the Earned Value method which combines the elements of cost and time as well as the physical performance of the work. The data obtained from the project includes the project time schedule, budget plan (RAB), project weekly reports and actual costs, then an analysis of costs, schedules, variances and performance indexes is carried out by explaining the problems that arise during the research. Based on the results of the analysis and discussion, the calculation of the CPI value is> 1 from the 1st week to the 16th week. This means that from the 1st week to the 16th week, the project cost is more economical. The EAS calculation for the 16th week estimates the project completion time is 116 days or 16 weeks. This means that the project is experiencing a delay from the planned schedule. At the end of the review period, an estimated final project cost of Rp. 4,022,024,000.00. And the estimated time for project completion is 116 days, which means the project will be completed in a longer time than planned, which is 211 days.

Investment Feasibility Analysis For Distribution Network Development of PDAM Tirta Bening Lontar Kupang City Rival Sibuea, Josep; Oetomo, Wateno; Marleno, Risma
Devotion : Journal of Research and Community Service Vol. 3 No. 14 (2022): Special Issue
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/dev.v3i14.340

Clean water is the most basic need for humans and other living things. In Indonesia, the government's responsibility for fulfilling clean water is regulated in article 5 of Law Number 7 of 2004 concerning Water Resources, where the state guarantees everyone's right to obtain water for minimum daily basic needs in order to fulfill a healthy, clean life. and productive. The purpose of the research based on the formulation of the problems that occur is to determine the feasibility analysis of investment in the distribution network development of PDAM Tirta Bening Lontar in Penkase Oeleta Village, Alak District, Kupang City, in terms of financial, social and economic aspects. Data collection methods used in this research are observation and literature study. Feasibility Investment Analysis using the Pay Back Period (PBP) Method, Net Present Value (NPV) Method, Internal Rate Of Return (IRR) Method, Probability Ratio (PR) and Break Event Point (BEP). Based on the results of the analysis and discussion regarding the feasibility analysis of the investment from the financial aspect with an investment assessment: Net Present Value (NVP), Benefit Cost Ratio (BCR), Payback Period (PP) and Internal Rate Of Return (IRR) the project is feasible to implement. (NPV > 0) so the project is feasible to continue. If BCR ≥ 1, then it is said that the project is acceptable or feasible. The payback period is 4.24 years. The criteria for analyzing social and economic aspects are for regional development funds 30% and general reserve funds 15% including regional development funds of Rp. 39,515,617.00 and a general reserve fund of Rp. 19,757,809.00.

Replanning Buildings In Surabaya Case Study of Office Buildings On Jalan Basuki Rachmat Surabaya Fathony Maulidy, Ahmad; Oetomo, Wateno; Marleno, Risma
Devotion : Journal of Research and Community Service Vol. 4 No. 1 (2023): Devotion: Journal of Research and Community Service
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/dev.v4i1.344

Infrastructure development is an important aspect in boosting the economic growth of the Indonesian people, with the stages of infrastructure development which include building facilities and infrastructure can overcome economic inequality, the opening of new jobs, per capita income will increase. Referring to Law No. 28 of 2002 concerning building buildings in article 3 states that to realize a building that is functional and in accordance with the building layout that is harmonious and in harmony with the environment, it must ensure the reliability of the building in terms of safety, health, comfort and convenience. Problems: Based on the description above in the explanation in the background, the researcher formulated the following problem: How to plan a building structure that is strong in withstanding loading according to SNI 1726-2019 and SNI 2847-2013? How to plan building structures according to annual costs. The results of the planning of the Office Building on Jln Basuki Rachmat Surabaya as stated in Chapter IV, from the planning of the floor slab to the foundation in accordance with the elements in the 8-story Building Building and require a cost of Rp. 94,965,401,000, - and the implementation time takes 35 weeks or ± 8 calendar months.

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