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All Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia JAST : Jurnal Aplikasi Sains dan Teknologi
Azwar, Erizaldy
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Other

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Perencanaan Rehabilitasi Drainase Ruas Jalan Telaga Warna Tlogomas Malang Azwar, Erizaldy; Pandulu, Galih Damar; Primasworo, Rifky Aldila; Sadillah, M.; Rahma, Pamela Dinar
JAST : Jurnal Aplikasi Sains dan Teknologi Vol 6, No 2 (2022): EDISI DESEMBER 2022
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/jast.v6i2.3584

Abstract

The people of the Tlogomas sub-district, especially the residents of RT 07 RW 06, are facing the problem of rainwater inundation on the Telaga Warna road. Therefore the Tlogomas sub-district community needs competent personnel with Civil Engineering expertise and requires supporting equipment in terms of surveys and analysis equipment to plan drainage rehabilitation. This community service activity uses the AutoCAD program to apply topography measurement technology applications and drainage designs. The results of the topographic survey describe the longitudinal and transverse sections of the Telaga Warna road section. The cross-sectional design of the drainage channel using precast concrete/U-Gatter measuring 100x100 cm. From the calculation of the volume of drainage and rehabilitation needs for the Telaga Warna road section, a cost of Rp. 676,187,000,-. As a result of this community service activity, partners receive assistance in terms of planning so that a good and efficient implementation of the drainage rehabilitation plan is obtained.ABSTRAKMasyarakat kelurahan Tlogomas khususnya warga RT 07 RW 06 menghadapi permasalahan genangan air hujan di ruas jalan Telaga Warna. Oleh karena itu masyarakat kelurahan Tlogomas membutuhkan kompetensi personil yang mempunyai keahlian Teknik Sipil serta membutuhkan peralatan yang mendukung dalam hal survei maupun peralatan analisa untuk merencanakan rehabilitasi drainase. Tujuan dari kegiatan pengabdian kepada masyarakat ini adalah penerapan aplikasi teknologi pengukuran topografi serta desain drainase menggunakan program AutoCAD. Hasil survey topografi menggambarkan penampang memanjang dan melintang ruas jalan Telaga Warna. Serta desain penampang saluran drainase yang menggunakan beton precast/ U-Gatter ukuran 100x100 cm dari hasil perhitungan volume kebutuhan rehabilitasi drainase ruas jalan Telaga Warna dibutuhkan biaya sebesar Rp. 676.187.000,-. Hasil dari kegiatan pengabdian masyarakat ini, mitra memperoleh pendampingan dalam hal perencanaan sehingga diperoleh implementasi perencanaan rehabilitasi drainase yang baik dan efisien
Study of Physical Water Loss in Water Distribution Network using Step Test Method and Pressure Calibration Azwar, Erizaldy; Irawan, Diki Surya; Naufal, Muhammad
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 6, No 1 (2021): EDISI MARET 2021
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v6i1.2293

Abstract

Water distribution networks that are unoptimally operated can cause various problems so that water flows are not evenly distributed to consumers. One of the causes is the high water loss level due to leaks in the distribution pipeline system, as one of the water operators in Jakarta, Indonesia, PT. XYZ has tremendous efforts to improve the water supply system. One of them is to reduce physical water losses. The estimated percentage of physical water losses of water distribution networks in Green Garden District, West Jakarta, in April 2018 has amounted to 30%. It is still above the tolerance standard for the national water loss rate in Indonesia's Water Utilities, around 20%. It is necessary to reduce water loss to overcome this problem. After performing a step test program in the Green Garden District, it was found that there was a water loss of 84 lps in July 2018, which increased to 103.16 l/sin in May 2019 or showed an increase of 23%. Then, a pressure calibration was undertaken by placing six pressure monitoring points on the district in May 2019 using hydraulic simulation from WaterGEMS V.10. This calibration obtained the highest pressure Gap at pressure monitoring point #5 of 2.5 mH2O and the lowest pressure monitoring point #1 of 1.03 mH2O. Subsequently, leak detection measures were conducted to reduce physical water loss from January to May 2019,  PT. XYZ water distribution network uses two leak detection methods, visible and invisible leak detections, which had successfully reduced its net night flows (NNFs). The leak repairs obtained 77 leak points, which consisted of 32 visible leaks and 45 invisible leaks. Total estimated leakage flows of 5.33 lps were obtained from the decrease in the net night flow, which indicates a decrease in physical water loss by 16% from January to March 2019.
Co-Authors Galih Damar Pandulu Irawan, Diki Surya M Sa’dillah Muhammad Naufal, Muhammad Pamela Dinar Rahma Primasworo, Rifky Aldila