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Analysis of Clean Water Needs and Wastewater Management of Japfa Office Building Yuli Sulistiyohadi; Agus Jumkhairul; Era Agita Kabdiyono
Jurnal Teknik dan Science Vol. 4 No. 2 (2025): Juni : Jurnal Teknik dan Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/jts.v4i2.2232

Abstract

Japfa Compeed Building is an office building managed by PT Ometraco Arya Samanta, has 7 floors and has just started operating and was inaugurated in January 2025. The building is located at Jalan Daan Mogot KM 12 No. 9, Cengkareng, West Jakarta. The building covers an area of approximately 29,272 m2. To ensure employee comfort, an effective clean water and wastewater management system is required, complying with the latest Indonesian National Standard, SNI 8153:2015. To meet the clean water needs of a population of 662, 39.72 m3 of clean water is required per day. The ground water tank capacity is 13.24 m3, while the roof water tank capacity is 2.92 m3. This office building has a Wastewater Treatment Plant (WWTP) with a water discharge capacity of 40 m3/day. Some of the wastewater is treated through a Wastewater Treatment Plant (WWTP), with a maximum capacity of 10 m3/day of recycled water. The water discharge savings generated from the WWTP reach 101 m3 per month, according to daily water discharge checks. The building also utilizes a Water Level Control (WLC) system for the distribution of clean and recycled water, enabling automatic water level control.
Redesign of the Foundation for Development of Al Barokah Foundation Flat to Bore Pile Foundation Era Agita Kabdiyono; Rinaldi Silaban
International Journal Multidisciplinary Science Vol. 4 No. 3 (2025): October: International Journal Multidisciplinary Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijml.v4i3.2295

Abstract

The purpose of redesigning the foundation of the Al Barokah Foundation Apartment into a Bore Pile Foundation is to increase the bearing capacity and ensure structural stability against applied loads. The foundation bearing capacity calculation is based on Standard Penetration Test (SPT) data using the Mayerhoff method on cohesive soil.The results of this research include studying the analysis of changes in deep foundations, soil characteristics, and the foundation's bearing capacity against building loads. The foundation redesign involves using a 60 cm bore pile. For pile cap PC 1, the dimensions are 120 x 120 cm and 60 cm thick. For PC 2, the dimensions are 120 x 120 cm and 60 cm thick, with a concrete quality of fc'=25 MPa. The bore pile reinforcement design for the BP 1 pile foundation is 10D19, with shear reinforcement of D10-52 mm. For the PC 1 pile cap design, the compression main reinforcement in the x- and y-axes is D13-530 mm. For the tension main reinforcement, a diameter of D13-150 mm is used, based on SNI 2847:2019. The foundation settlement value for each pile is the same, at 1.71 cm, which is still within the tolerance limit according to SNI 8460:2017.