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ANALYSIS THE PERFORMANCE OF SASAKJARANG WATERSHED URBAN DRAINAGE SYSTEM ON FLOODING IN NAROGONG HOUSING COMPLEX PARK, BEKASI CITY Ayu Nurin Hardiyanti; Kasman Kasman; Siska Amelia
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.1-8

Abstract

The rapid development of urban areas in Bekasi City has increased pressure on the urban drainage system, particularly in the Sasakjarang Watershed. Land use conversion from infiltration areas into built-up areas has increased surface runoff that is not balanced by adequate drainage capacity, resulting in recurring inundation in Taman Narogong Housing Estate. This study aims to identify the existing condition and performance of the drainage system in controlling inundation, analyze the technical and non-technical factors affecting system performance, and formulate sustainable improvement recommendations. The research employed a quantitative approach through hydrological and hydraulic analyses, evaluation of drainage channel capacity, and analysis of spatial utilization and socio-environmental aspects. Data were obtained from field surveys, rainfall data, land use data, interviews, and questionnaires. The results indicate that most drainage channels are unable to accommodate the design flood discharge due to limited hydraulic capacity, sedimentation, waste accumulation, and inadequate maintenance. In addition, land use changes and low community participation further aggravate inundation problems. The recommendations include increasing channel capacity, implementing flood control structures such as long storage, strengthening drainage maintenance, controlling spatial planning, and enhancing community participation in urban drainage management.Keywords: land use, Sasakjarang watershed, surface runoff, urban drainage
MODEL FOR UTILIZING THE UNDER SPACE OF JAKARTA OUTER RING ROAD (JATIASIH – JATIMEKAR) TO INCREASE PUBLIC OPEN SPACE IN BEKASI City Hadi Sofyan; Siska Amelia; Zefri Zefri
International Journal of Civil Engineering and Infrastructure Vol. 6 No. 1 (2026): IJCEI Volume 6 No. 1
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.6.1.31-40

Abstract

of residual space under flyovers a crucial solution. This descriptive qualitative research aims to analyze existing conditions, consideration factors, and formulate an optimal model for utilizing the space beneath the JORR Jatiasih–Jatimekar Toll Road. The results show that the land is currently occupied informally by street vendors, online motorcycle taxis, and temporary waste disposal. Based on aspects of comfort, accessibility, and local wisdom, the researcher formulated an integrative model that includes MSME zoning, sports, social space, green areas, and structured parking. All-day activities are proven to revitalize the area and enhance urban aesthetics. In conclusion, this model is highly essential as an innovative reference for the government in reclaiming residual spaces into productive and organized urban social infrastructure.Keywords: Public Space, Residual Space, Flyover, Bekasi City