STUDI EVALUASI SALURAN DRAINASE KAWASAN JL. SP. SUDARMO KECAMATAN BLIMBING KOTA MALANG

On the map and disaster risk assessment in Blimbing Sub-District, Malang City in 2015, there were floods around Jl. SP. Sudarmo, this study was conducted to evaluate the drainage channels in the area, whether it still functions optimally in reducing inundation in the area, so that the current drainage network condition can be known. Rainfall analysis is carried out using the distribution of type III Log Person. Rain intensity is calculated using the Mononobe equation and periodic runoff is calculated using the rational method. Drainage capacity was calculated using the Manning equation, then the capacity of the reservoir was inadequate at some point of review in the redesign with a width of 0.1m - 0.4m and a height of 0.1m - 0.4m, for a height of protection used 25% of the height at redesign