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All Journal Jurnal Teknik Sipil The Spirit of Society Journal : International Journal of Society Development and Engagement EXTRAPOLASI: Jurnal Teknik Sipil Portal: Jurnal Teknik Sipil Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Sains Riset DEVICE Devotion: Journal of Research and Community Service Extrapolasi International Journal of Social Service and Research JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Jurnal Teknik Sipil Macca Jurnal Spesialis Teknik Sipil (JSpTS) Asian Journal of Social and Humanities International Journal of Social Science and Community Service
Oetomo, Wateno
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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

Abstract

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

Abstract

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.
Analyst Is Value Engineering On The Construction of Flats For Educators UGM Sleman Indah Purwanty, Kharisma; Oetomo, Wateno; Djoko Nugroho , Laksono
Devotion : Journal of Research and Community Service Vol. 4 No. 2 (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.v4i2.389

Abstract

The construction of UGM Educator Flats in Sleman Regency has a total area of 7,035.5 m2 consisting of 6 floors in the form of rooms and management rooms for flats and 1 rooftop floor. The problem in implementing the construction of the UGM Educator Flats in Sleman Regency is that the available funds are limited, so value engineering needs to be carried out so that the construction can be completed as expected. Value Engineering aims to obtain the best value for a project or process by defining the functions required to achieve the value objectives and providing these functions at the lowest cost, consistent with the required quality and performance. The results of the study were (1) The work items for the UGM Sleman Educator House building that have the potential to be efficient are floor slab work t=12 cm, roof slab work t=15 cm, stair slab work t=15 cm and beam work. (2) The replacement design alternatives are: a. For beam work items, an alternative is to change formwork purchases to formwork leases, b. For floor slab work items, roof slab work items, stair slab work items, there are 2 alternatives chosen, namely replacing reinforcement with M10 wiremesh and changing formwork purchases to formwork rentals. (3) Cost savings achieved after Value Engineering was carried out by 11.47%, with details of work items as follows: a. Beam work, savings of 3.66%, b. Floor slab work t = 12 cm, savings of 5.55%, c. Roof slab work, t=15 cm, savings of 1.00 %, d. Ladder slab work, t=15 cm, savings of 1.26%. Compared to the Initial Design Budget Plan (RAB) of the project as a whole, the Alternative Design Budget Plan can save costs of 2.843%.
Safety Implementation Analysis and Occupational Health at Kretek 2 Bridge Work In Bantul Regency Nashrullah Arifin, Isyraq; Oetomo, Wateno; Djoko Nugroho, Laksono
Devotion : Journal of Research and Community Service Vol. 4 No. 2 (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.v4i2.391

Abstract

Construction work includes the implementation of construction work and the community organizing the construction work itself. The implementation of this construction work must comply with the provisions regarding engineering, occupational safety and health, labor protection, and local environmental regulations to ensure the realization of an orderly implementation of construction work. The construction of the Kretek 2 Bridge in Bantul Regency, Special Region of Yogyakarta Province has its own challenges, because the location of the bridge is in an area prone to earthquakes and liquefaction or ground movement. With so many workers on this very high-risk project, there is a high probability of an accident occurring. The purpose of the study was to analyze (1) the risky work that could occur in bridge construction work, (2) the work that has the highest possible risk, (3) risk control, (4) the amount of investment costs required. The method used is the HIRADC method. The results of the study were (1) Risky work that can occur was a. High level of risk, including drowning, being dragged by the river current, being hit by heavy equipment maneuvers and falling from a height. b. Moderate risk level, including being crushed by formwork, falling material, scratched hands. c. Low level of risk, including landslides, heavy equipment maneuvers, iron puncture. (2) Work that has the highest possible risk is Pile Cap Excavation Work, Work Floor Work and Pier Head Ironing Work. (3) Risk control in bridge work consists of: Using a boat when measuring in rivers, Conducting briefings before starting activities, Using PPE life vests and placing life ring buoys on boats, Installing signs and placing officers in areas that intersect with roads, Installing guardrail of the project area, installing scaffolding as a working platform and inspecting its feasibility, communicating hazards through signs, conducting refresh training for workers. (4) The investment cost required for implementing K3 on the Kretek 2 Bridge work in Bantul Regency was Rp. 6,545,998,310 or 1.795% of the contract value.
Performance Analysis of Costs and Implementation Time Using Earned Value Method on the Distribution Pipe Network Expansion in Samarinda City Hartawan, Dedy Sugi; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3176

Abstract

The problems raised in this research relate to the implementation performance of the Samarinda City distribution piping network expansion project. With the increasing need for clean water and the increasing population, PDAM Kota Samarinda must be able to meet demand with quality, quantity, continuity and accessible prices, as well as adequate water pressure. In an effort to provide clean water services, the government must pay special attention to developing the distribution network. The previous distribution piping network in Samarinda City is considered to need to be expanded to meet the need for clean water, especially during the dry season where there is a shortage of clean water in the Samarinda area. Based on the background of this problem, the title of this research is Analysis of cost performance and implementation time using the EVM Method (Earned Value Method) in the Samarinda City Distribution Pipeline Network Expansion Work. This research was carried out with the aim of determining the cost and time for completing the project. The research method uses calculation and analysis of ACWP, BCWP, BCWS, Cost Performance Index, Cost Variance, Earned Value, Earned Value Method, EVM, Schedule Variance, Variance at Completion. Based on the analysis of the data obtained, it can be concluded that the cost performance is not in accordance with the budget and the estimated cost until the project is completed is IDR. 20,583,636,709, greater than the planned Rp. 16,566,678,000. Time performance in weeks 4 to 20 experienced delays. Estimated project completion time is 163 days or 24 weeks. longer than planned, namely 161 days.
Value Engineering Study on Canal Rehabilitation Work Using Cultures in Samarinda Ulu District Khaldun, Ibnu; Oetomo, Wateno
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3177

Abstract

This research was conducted with the aim of analyzing the Engineering Value of Drainage and Culvert Rehabilitation Work in Samarinda Ulu District. The settlement method for this calculation uses Value Engineering Analysis. Value Engineering Analysis is carried out when the Budget Plan (RAB) is still being planned to get maximum results. This research method was carried out in five stages of Value Engineering, namely the information stage, function analysis stage, creative stage, evaluation stage and presentation stage. Weight of each criterion using the Zero-One Method. Zero-One Analysis Matrix Method The zero-one method is used for weighting and assigning scores to criteria. From the results of the analysis it was found that the best alternative that can replace the initial implementation method for selected work items in concrete work is Precast Reinforced Concrete Partially Cast Ready Mix Reinforced Concrete. The cost of concrete work, namely at the beginning or according to plan, is Rp. 623,679,984.00 Costs for concrete work after VE, namely Rp. 271,933,824.09 With costs saved amounting to Rp. 352,393,548.00 or 18.3%. The overall project cost for the initial plan is Rp. 2,099,885,844 while the overall cost of the project after VE is IDR 1,748,139,684. With the cost savings of Rp. Rp. 352,393,548.00 or 16.78% of the total project.
Feasibility Study of the Development of a Drinking Water Supply System (SPAM) Investment of Cibulakan Springs Perumda Drinking Water Tirta Rahaja Bandung District – West Java Sundana, Hari; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3178

Abstract

Along with population growth and rapid development in Bandung Regency, demand for clean water is increasing. The development of a clean water supply system for Perumda Drinking water Tirta Raharja certainly requires a study of the feasibility of investing in the development of a drinking water supply system (SPAM) from the Cibulakan spring of Perumda Drinking Water Tirta Raharja, Bandung district so that it can be known to what extent the process is beneficial for the community and of course for the Government. The settlement method in this calculation for Feasibility Investment Analysis uses the Net Present Value (NPV) method and the Break Event Point (BEP) method. From the results of the investment feasibility analysis from the financial aspect with the Net Present Value (NVP) investment assessment, an NPV value of IDR 518,181,911,866 (NPV > 0) was obtained. So, the development of a Drinking Water Supply System (SPAM) from the Cibulakan springs of the Tirta Raharja Drinking Water Company, Bandung Regency is worth continuing. An NPV value that is positive or greater than (> 0) indicates that the income is greater than the value invested. The results of the Break Even Point (BEP) investment assessment showed that the return value occurred in the 14th year with the accumulation of negative profits being marked as positive after the 14th year. This explains that the investment in developing a Drinking Water Supply System (SPAM) from the Cibulakan springs of Perumda Drinking water Tirta Raharja in Bandung Regency is worth running, because there is a return on investment as proven by the BEP value for 7 years.
Performance Analysis of Costs Implementation Using the EVM Method (Earned Value Method) on the Work of Expanding the Distribution Pipeline Network in Samarinda City Patanduk, Apriyanto Iring; Oetomo, Wateno; Marleno, Risma
THE SPIRIT OF SOCIETY JOURNAL : International Journal of Society Development and Engagement Vol 8 No 1: September 2024
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/scj.v8i1.3179

Abstract

In implementing a project, it is often found that implementation does not conform to the plan. Where the problems raised in this research relate to the cost performance of implementing the Samarinda City distribution pipe network expansion project. With the increasing need for clean water and the increasing population, PDAM Kota Samarinda must be able to meet demand with quality, quantity, continuity and accessible prices, as well as adequate water pressure. In an effort to provide clean water services, the government must pay special attention to developing the distribution network. The previous distribution piping network in Samarinda City is considered to need to be expanded to meet the need for clean water, especially during the dry season where there is a shortage of clean water in the Samarinda area. Based on this problem, it is necessary to analyze the condition of the distribution pipe network for clean water services based on the population and calculations for the current year and projections at PDAM Kota Samarinda. Therefore, it is necessary to carry out research related to cost performance analysis on the Samarinda City distribution pipe network expansion work project to determine the position of the project in relation to costs from the monitoring carried out. The research method uses calculations and analysis using the Earned Value Method. Based on the analysis of the data obtained, it can be concluded that the cost performance is not in accordance with the budget and the estimated cost until the project is completed is IDR. 20,583,636,709, greater than the planned IDR. 16,566,678,000.
Analysis of Construction Requirements For Concrete and Asphalt Pavements on The Temuireng-Jetis Road Section, Mojokerto District Rusida, Dukha; Oetomo, Wateno; Marleno, Risma
Asian Journal of Social and Humanities Vol. 3 No. 6 (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.v3i6.525

Abstract

This study analyzes the construction requirements for rigid (concrete) and flexible (asphalt) pavements on the Temuireng-Jetis road section in Mojokerto District, focusing on the cost-effectiveness and efficiency of both options. The research compares pavement thickness design, cost, and implementation time using the 2017 Pavement Design Manual (MDPJ) and Pd T-14-2003 standards. Data was collected through field surveys and reports from the Mojokerto District Public Works Office. The findings indicate that rigid pavement, with a 25 cm thickness, offers greater long-term economic advantages compared to flexible pavement due to its superior durability, reduced maintenance needs, and better performance under heavy traffic. Although rigid pavement has higher initial construction costs, it proves more cost-effective over time. Flexible pavement, while cheaper initially, incurs higher maintenance costs and is more prone to damage in high-traffic areas. The study recommends using rigid pavement for roads expected to support heavy vehicles and require extended service life. In conclusion, this research provides valuable insights into selecting the appropriate pavement type based on cost, durability, and long-term benefits, offering practical guidance for policymakers and engineers in Mojokerto and other regions facing similar infrastructure challenges.
Analysis of Road Conditions In The Kaligunting-Bajulan Section Using The Pavement Condition Index (PCI) Method At Taufan, Salman; Marleno, Risma; Oetomo, Wateno
Asian Journal of Social and Humanities Vol. 3 No. 6 (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.v3i6.526

Abstract

This study evaluates the road condition of the Kaligunting-Bajulan section in Madiun Regency using the Pavement Condition Index (PCI) method. The goal is to assess the level of deterioration, identify repair needs, and estimate costs. The findings reveal that the road is in moderate to poor condition, with the average PCI score of 58.08, highlighting the need for immediate intervention, particularly in segments with the most severe damage. The research employs a combination of field surveys, visual assessments, and drone technology to ensure accurate data collection. The study recommends a cost-efficient repair strategy that includes sealing and repaving damaged sections. This approach helps prioritize road segments based on damage severity and traffic load, ensuring that maintenance efforts are focused on the most critical areas. By utilizing the PCI method, the study offers a transparent and measurable framework for local governments to allocate repair budgets more efficiently, ensuring improved road safety and longer infrastructure lifespan. This research supports the implementation of preventive maintenance strategies and presents a replicable model for managing road infrastructure in other regions with similar challenges.
Co-Authors ., Rudiansyah Agus Firmanda, Yocky Ar Rasyied, Syahrur Rahman ARI SUSANTO Ariyanti, Menik Astasari, Arianti Widi At Taufan, Salman Atros, Pahridal Az Zahra, Karunia Bonny, Apde Budy Wiryawan Cahyono, Bagus Denastyan Agpenta Putra, Videla Didik Purnomo, Didik Djoko Nugroho , Laksono Dozier, Alpha Dwi Budi Santoso Dwi Purnomo Eriansyah, Ferdho Esti Wulandari Fadjarwati, Indah Fairuz Rahman, Refa Fajar, Chandra Fathony Maulidy, Ahmad Gede Sarya, Gede Hadi, Suprapto Hariyanto, Tri Perwira Harris, Oscar Hartatik, Nurani HARTAWAN, DEDY SUGI Helmy Darjanto, Helmy Herry Widhiarto, Herry Hudyantoro, Hudyantoro Ibnu Khaldun Ikko Bagus Ismanto Indah Purwanty, Kharisma Irfan, Ahmad Irniawan, Dodik Irwanto, Aditya Jadmiko, Fikri Koespiadi Kogoya, Desmin Laksono Djoko Nugroho Laksono Djoko Nugroho Lestari, Agustin Dwi Mahendra, Muhammad Yusuf Marleno, Risma Michella Beatrix Miftakhul Arifin Muhammad Wahyudi Muhammadun, Haris Nashrullah Arifin, Isyraq Nugraha, Coki Adianta Nugroho, Deden Patanduk, Apriyanto Iring Prasetiyo W., Arif Prasetyo, Djoko Puntodewo, Setyasto Putera, Rendra Pramana Putra, Ahmad Ferdiansyah Pratama Putra, Harisa Ramadhani Putranto, Vyonita Rafi, M . Rahadian, Deni Rahman, Medio Duddian Wahyu Ramadhani, Ardhi Rini Rahmawati, Rini Rival Sibuea, Josep Rizky Haris, Ahmad Rosyid, Rizal Rusida, Dukha Rusmin Rusmin S Siswanto Sajiyo , Sajiyo Sajiyo Sajiyo, Sajiyo Sari, Anindya Novita Septoraharjo, Eko Rony Setyawan, Dhimas Triadi Setyo, Mayogo Siswanto Sri Wiwoho Mudjanarko, Sri Wiwoho Sugiharto, Arif Sundana, Hari Sundari Sundari suparjan suparjan Umarwoko Daniarto, Cornelius Wulandari , Esti