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Journal : Devotion: Journal of Research and Community Service

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)
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%