DESIGN AND FLOW ANALYSIS OF FRESHWATER PIPELINE IN THE ARCHIPELAGO

Abstract

As population growth increases, so does the need for clean water. Many areas do not have clean water sources. Due to the geographical location of small islands bounded by the ocean, The development of clean water infrastructure must be carried out in accordance with the needs of the community and its geographical conditions and potential. This research aims to get an alternative inter-island water supply system with new technology that is more efficient for operational costs, water supply systems that can be operated by local residents so that the existence of a clean water supply system can bring impact on the economy of the local community. This research was conducted by direct observation at the location to obtain the data needed for the analysis and design. The data used in the analysis are water demand data and pipeline topography data. Hydraulic analysis is carried out with the help of Epanet 2.2 software with reference to Permen PU No.18 of 2007 and SNI 7509: 2011. From the results of the analysis carried out, it was found that the HDPE pipe diameter used was 200 mm diameter, 150 mm diameter, and 100 mm diameter. The length of the pipeline is 23.37 km. The minimum pressure obtained from the analysis is 0.94 bar and the maximum water pressure is 4.69 bar. The minimum flow velocity in the pipe is 0.35 m/s and the maximum flow velocity is 0.93 m/s. The research contribution is can be used as a reference and consideration in the selection of inter-island clean water supply systems that are more efficient and easy to operate.