ANALYSIS OF HEAD LOSSES IN WATER DISTRIBUTION NETWORK AT PT. PELINDO IV BRANCH OF MERAUKE

The purpose of this paper is to analyze the calculation of the amount of loses that occur in the PT Pelindo IV Merauke Branch water distribution network. This study uses the method of observation and literature review. Head losses calculation requires flowrate data (Q), high pressure (h), and pipe flow velocity (v) using the DarcyWeisbach and Hazen-Wiliam methods. Data is collected and calculated to find available Head Loses, Positive Head Suction and Net Positive Suction Head required. The water velocity at the final pipe is 4.39 m / s, the fluid velocity that enters the pump is 3.559 m / s, the discharge capacity is 72.144 m3 / hour with a power requirement of 19.1758 kW. The available Net Positive Suction Head is 8.019 m and the Net Positive Suction Head required is 2.86 m, the total head is 24.92 m while the maximum Head of the pump is 60 m so it can be stated the pump works in a safe and without experience cavitation.