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Analisis Perencanaan Bangunan Suplesi Daerah Irigasi Bandar Lawas Sirukam Kabupaten Solok
ABSTRACT
As the population increases, so does the need for food. Land clearing is one way to meet domestic food needs. The availability of water that Indonesia has with rainfall that falls throughout the year must be utilized to the maximum. Calculating water requirements is an important stage in irrigation planning. With this purpose, the authors analyze how much irrigation water is needed for the supplementation of Alahan Panjang. Calculations are used based on KP-01 and the calculation of Water Discharge and Flow Displacement. The differences in these methods include evapotranspiration, land cultivation, effective rainfall, and crop coefficient. Based on the calculation of the water demand of KP-01, the maximum discharge occurs at the discharge for I Drain Gate is 0,92m³/s, Flow Speed 4.58 m/s. Maximum Sediment Diameter 0.31 m.
Keywords: Irrigation water needs, water discharge and flow transfer
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