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Evaluasi Kapasitas Saluran Drainase terhadap Debit Rencana di Kawasan Graha Raya, Kabupaten Tangerang Debby Syafriyandi; Salsabila Septiansyah; Agum Abdadi; Muthia Raissa; Bernard Mayalfanda; Ilha Madonna; Ezra Andreas Saputra
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.3364

Abstract

Rapid urban growth in the Graha Raya area, Tangerang, has created serious challenges for the drainage system. Drainage problems have become a crucial issue in rapidly developing urban areas such as Graha Raya, Tangerang Regency. Flooding and water ponding frequently occur due to the insufficient capacity of the existing drainage channels. This study aims to evaluate the adequacy of the existing drainage channel capacity against the design discharge as part of flood mitigation efforts. The research methodology includes the collection of hydrological and channel morphology data, calculation of runoff discharge using the Rational Method, and analysis of the hydraulic capacity of drainage channels by considering channel dimensions, slope, and roughness coefficients. The analysis results indicate that several major drainage channels in Graha Raya are unable to accommodate the design discharge under certain return periods. For the 25-year return period, with a rainfall value of 187 mm/day, the design discharge exceeds the channel capacity in several segments. Therefore, adjustments to the hydraulic dimensions are required to improve the performance of the drainage system and minimize the potential for flooding in the study area.
Development of market organic waste management through maggot cultivation Raafi Widyaputra Yulianyahya; Salsabila Septiansyah; Siti Nurul Fatihah; Yohan Elfrido Situmorang; Ivansya Ramadan
Pengmasku Vol 6 No 1 (2026)
Publisher : PT WIM Solusi Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54957/pengmasku.v6i1.1979

Abstract

This community service program aimed to optimize organic waste management at Cikupa Traditional Market, Tangerang Regency, through Black Soldier Fly (BSF) maggot cultivation based on trader empowerment. The program employed participatory methods, including organic waste sorting education, technical assistance for maggot cultivation, and a pilot-scale organic waste processing trial. Quantitative data were collected from 88 market traders through questionnaires and field observations. The results showed that BSF maggot cultivation reduced organic waste volume by 50–80% within 10–14 days. Furthermore, 88% of respondents agreed that maggot cultivation effectively reduced organic waste, 91% perceived additional economic benefits from selling maggots and organic fertilizer, and 84% expressed willingness to participate in sustainable waste sorting programs. These findings indicate that BSF maggot cultivation is an effective, practical, and sustainable community-based approach to organic waste management in traditional market environments.