Alip, M Agil Nur (2025) Penanggulangan Banjir dengan Sumur Resapan di Daerah Perumahan Puri SEjahtera Kecamatan Tenayan Raya. Other thesis, Universitas Islam Riau.

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Abstract

Puri Sejahtera Housing is one of the housing complexes in Pekanbaru City which is quite often and vulnerable to flooding. The problem in the Puri Sejahtera housing complex is flooding in the form of inundation that occurs in several houses with the lowest ground surface. This study aims to determine the capacity of infiltration wells needed and the amount of runoff before and after the infiltration wells are installed. The method used for analyzing planned rainfall is Log Pearson III. To determine runoff discharge and flow discharge in drainage, the rational method is used. The method used in determining infiltration rate is the Horton method with time intervals from five minutes to one hour, while the SNI method is used for analyzing infiltration well planning. The results obtained in this research are the runoff discharge rate that can be channeled into the drainage at 0.06 m³/sec. At the research location there are 8 drainage channels, none of which are able to accommodate runoff discharge. There are 48 planned infiltration wells for a 5-year return period with a depth of 1.1 meters and for a 10-year return period with a depth of 1.46 meters and a width of 0.6 meters, with a volume that can be accommodated of 44.61 m³. The infiltration rate after being reduced by infiltration wells for a 5-year return period is -0.006 m³, and for a 10-year return period is 0.0054 m³.

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