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All Journal The Spirit of Society Journal : International Journal of Society Development and Engagement EXTRAPOLASI: Jurnal Teknik Sipil Portal: Jurnal Teknik Sipil Jurnal Sains Riset Devotion: Journal of Research and Community Service Extrapolasi International Journal of Social Service and Research JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) Journal of Social Research CASHFLOW : CURRENT ADVANCED RESEARCH ON SHARIA FINANCE AND ECONOMIC WORLDWIDE Journal of Management, Accounting, General Finance and International Economic Issues (MARGINAL) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Jurnal Teknik Sipil Macca Jurnal Ekonomi, Teknologi dan Bisnis Journal of Social Science 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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Journal : Devotion: Journal of Research and Community Service

 1 
Construction Management of Jati Weir Rehabilitation (Channel Madiun Irrigation Area) Magetan Regency with Value Engineering & Scheduling Implementation Management Planning Hadi, Suprapto; Oetomo, Wateno; Wulandari, Esti
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.v3i14.301

Abstract

One of the infrastructure developments in the region that will soon be implemented is the construction of the Jati Weir rehabilitation construction project which is the main dam in the Madiun Irrigation Area (DI SIM) Main Channel in Magetan Regency. In order to maximize the results of cost and time, it is necessary to have a flexible technique or management in the work of this project. The method used to determine alternative types of construction that are efficient and effective in terms of cost and time is the application of Value Engineering in the Jati Weir rehabilitation planning work. Then to get the most effective and efficient time needed for the construction of the rehabilitation of the Jati Weir is done by analyzing the needs of time, labor and tools and the results of the analysis are included in the preparation of a work schedule with the help of Microsoft Project Manager 2021 software. The results of the Value Engineering analysis are the work items that can be done are the still pond items; The existing construction is a random pile of concrete blocks in the form of 1x1x0.5 m blocks with alternatives given to replace the existing construction are 1000 kg tetrapod concrete blocks and 1000 kg dolos concrete blocks; the selected alternative is 1000 kg dolos concrete blocks with a manufacturing and installation cost of Rp. 16,239,115,273.27. 16,239,115,273.27; The cost value of making and installing 1000 kg of dolos concrete blocks is reduced by Rp. 6,252,816,421.53 from the existing construction value; The overall total cost changes from Rp. 62,420,557,268.77 (excluding VAT/VAT) to Rp. 56,167,740,847.24 (excluding VAT/VAT) after Value Engineering. For the implementation schedule plan, the time for Preparatory Work takes a total of 42 working days and for the Jati Weir Rehab Work takes a total of 185 working days. The work is planned to start from March 01, 2023 and end on November 29, 2023.
Value Engineering In Planning Construction of Ampelsari Reservoir Pasuruan Regency Umarwoko Daniarto, Cornelius; Oetomo, Wateno; Wulandari, Esti
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.v3i14.324

Abstract

Controlling the cost and time of project implementation is important in a project management process. In this research, a value engineering analysis will be carried out on the Ampelsari Reservoir construction plan to determine the most effective and cost-efficient alternative construction design. The application of value engineering to determine the amount of construction cost savings with a work plan includes: Information Stage, Creative Stage, Analysis Stage, and Recommendation Stage. The results of the value engineering analysis in this study obtained construction cost savings of Rp. 1,624,162,703.65 or 6.16% of the total initial design cost, with alternative designs selected in 3 (three) types of work, on Spillway Work with K-225 Reinforced Concrete and Cyclop Concrete work items (A3), on Gate Valve House Work with Concrete Rebate and U-Ditch 30 x 30 work items (B3), on Reservoir Work with HDPE Pipe work items dia. 2.5" (C2). 2.5" (C2)
Analysis of Satellite Rain Data UsageOn The Rationalization Activities of The Rain Post Network (Case Study: Rationalization of The Jelai Watershed Rain Post Network) Susanto, Ari; Oetomo, Wateno; Wulandari , Esti
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.v3i14.327

Abstract

An alternative solution to the availability of inadequate rain data as hydrological data input is with the help of Global Precipitation Measurement (GPM) satellite rainfall data using remote sensing technology (satellite). The purpose of this study was to find correlations and corrections of data and validate GPM satellite data with rainfall data at rain stations and observation data in the Jelai watershed. The corrected GP M rain data validation results in Nash-Sutcliffe Efficiency (NSE), Root Mean Squared Error (RMSE), Correlation Coefficient (R), and Relative Error (KR). The validation results resulted in NSE values of 0.33, RMSE 48.54, Correlation Coefficient (R) of 0.75, and Relative Error of 0.19 for 2019 and yielded NSE values of -0.14, RMSE 100.24, Correlation Coefficient (R) of -0.36, and Relative Error of 0.23 for 2020. The overall analysis shows that GPM data can be used as an alternative to rain data if in a watershed there is a small number of rain posts that do not meet the WMO criteria. As a suggestion for further research, it is necessary to calibrate and validate by distinguishing between rain data in wet years and dry years
Value Engineering For Drainage System Planning On Soekarno Hatta Road Malang City Agus Firmanda, Yocky; Oetomo, Wateno; Wulandari, Esti
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.v3i14.331

Abstract

The development of residential areas is very rapid, both in hilly areas and in "water parking" areas. So that puddles occur in several places, where in the past it did not occur. Floods/puddles during the rainy season that occur in the channel area of Jalan Soekarno - Hatta are caused by the capacity of the existing drainage system being no longer able to accommodate rainwater runoff. The aim of this research is Determining alternative drainage structure designs that are more efficient and effective is carried out on Jalan Soekarno - Hatta Malang City using the Value Engineering method and determining cost and time savings after carrying out Value Engineering in the drainage system planning work on Jalan Soekarno - Hatta Malang City. The results of this study is After doing Value Engineering by following the work plan (Job Plan) alternative 2 has been obtained which is efficient because the cost is cheaper (Rp. 15,881,356.00) than other alternatives, and alternative 2 is more effective because time (23 days) is faster than other alternatives . Whereas the initial cost of the U Gutter pair (existing) work on the Drainage System Planning project to Overcome Floods on Jalan Soekarno - Hatta Malang City is Rp. 17,139,144,126.35. While the cost after being in VE, namely alternative 2 Box Culvert Structure, is Rp. 17,014,195,372.72 so that there is a cost savings of Rp. 124,948,753.62 or 0.46%
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

Abstract

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

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.
Co-Authors ., Rudiansyah Agus Firmanda, Yocky Ar Rasyied, Syahrur Rahman ARI SUSANTO Ariyanti, Menik Astasari, Arianti Widi Atmajaya, I Made Buda Atros, Pahridal Az Zahra, Karunia Bonny, Apde Budi Witjaksana, Budi Budy Wiryawan Cahyono, Bagus Didik Purnomo, Didik Djoko Nugroho , Laksono Djoko Nugroho, Laksono Dozier, Alpha Dwi Budi Santoso Dwi Purnomo Esti Wulandari Fadjarwati, Indah Fairuz Rahman, Refa Fajar, Chandra Fareza Akbar, Muhammad Fathony Maulidy, Ahmad Frengky Rumihin, Ony Gede Sarya, Gede Hadi, Suprapto Hariyanto, Tri Perwira Harris, Oscar Helmy Darjanto, Helmy Herry Widhiarto, Herry Hudyantoro, Hudyantoro Ikko Bagus Ismanto Indah Purwanty, Kharisma Irfan, Ahmad Irniawan, Dodik Irwanto, Aditya Koespiadi Kogoya, Desmin Laksono Djoko Nugroho Lestari, Agustin Dwi Mahendra, Muhammad Yusuf Marleno, Risma Meilasari, Shavica Kurnia Michella Beatrix Muhammad Wahyudi Muhammadun, Haris Muhammadun, Harris Nashrullah Arifin, Isyraq Nugraha, Coki Adianta Nugroho, Deden Pradana, Suresta Prasetiyo W., Arif Prasetyo, Djoko Puntodewo, Setyasto Purwayudhaningsari, Ranatika Putera, Rendra Pramana Putra, Ahmad Ferdiansyah Pratama Putra, Harisa Ramadhani Rahadian, Deni Rahman, Medio Duddian Wahyu Ramadhani, Ardhi Ramadiasri Putra, Prastya Rini Rahmawati, Rini Rival Sibuea, Josep Rosyid, Rizal Rusmin 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 Sundari Sundari suparjan suparjan Teki Tjendani, Hanie Umarwoko Daniarto, Cornelius Wahyusetianingsih, Tri Wulandari , Esti