Sedyowati, Laksni ORCID: https://orcid.org/0000-0001-9170-9864 and Suhartanto, Ery (2015) Kajian Pengaruh Sistem Drainase Dan Ruang Terbuka Hijau Eksisting Pada Kawasan Ruas Jalan Utama Kota Malang (Suatu Upaya Pengendalian Genangan Di Daerah Perkotaan). Jurnal Media Teknik Sipil, 13 (1). pp. 56-63. ISSN 1693-3095

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Abstract

The new paradigm of urban drainage system puts the city infrastructure based on the concept of environmentally sound drainage system or sustainable. It is necessary to retain the rain water in the area to enlarge the amount of water that infiltrate into the soil through natural or artificial recharge area. Research problem is how the influence of the existing drainage system and the green open space (RTH) to the runoff discharge. The study design is in the form of field observations and analytical activities: analysis of the characteristics of rain with a variety of 10-year historical data; land cover analysis and capacity of the existing green space; analysis of the capacity of the existing
drainage system; analysis of the total runoff discharge and discharge runoff that are not controlled by the existing drainage system and RTH. The results showed that the total capacity of existing drainage systems and green space of 36,066 m3/sec. The amount of discharge that is not controlled on the time period of 5, 10, 25, 50 and 100 year, respectively: 11.95 m3/s; 20.28 m3/s; 30.82 m3/s; 38.68 m3/s; 46.56 m3/s. Uncontrolled runoff discharge causing flooding on roads in the study area
with the water level between 22-35 cm.

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