Optimal Design of Water Transmission Mainsby Jobaid Kabir, Lower Colorado River Authority, United States,
Abstract: Capital cost for constructing a water transmission main includes cost of the pipeline and its associated installation costs. Also included in the capital cost is the cost of a pump station. Operations and maintenance costs include power and labor. Selection of a smaller diameter pipeline for transmission of water results in smaller capital cost but higher annual power cost due to high friction loss. On the other hand, selection of a larger diameter pipeline requires higher capital cost and resultant lower power cost. A Lotus 1-2-3 spreadsheet has been developed to provide the most cost effective design of the transmission facility for the design criteria established by the user.
Subject Headings: Water pipelines | Assets | Computer aided design | Spreadsheets | Sensitivity analysis | Pumping stations | Pipe sizes
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