Perencanaan Sistem Saluran Drainase pada Jalan Pukat II Kecamaatan Medan Tembung

Abstract

In this research, re-planning the drainage system in the Jalan Pukat II area was carried out. Drainage is a series of water structures that function to reduce and/dispose of excess water from a land, so that the land can be used optimally. This problem was raised because of the puddles of rainwater that occurred in the road area, especially during heavy rain. As a result of this problem, an evaluation was carried out regarding the capacity of the existing drainage. Data collection in this research is primary data in the form of existing drainage system data and flow condition data and secondary data in the form of BMKG maximum daily rainfall data from rainfall stations and a general map of the study area. Determining the rain station observation points using avarage method, it was found that the one that influenced the research area was the BMKG Helvetiah, Wilayah 1 Medan, BPTD Sampali, and Bandar Khalipah Station. In this study, the Log Pearson Type III method was used and the rainfall intensity value was obtained using the mononobe formula. Based on the results of a comparison of the existing capacity of the channel and the planned flood discharge, it is known that the existing channel cannot accommodate the planned flood discharge, causing water to overflow from the channel and inundate the surrounding area. To overcome this, the drainage channel was re-planned.