<![CDATA[The drainage system is a crucial aspect of underground mining operations at PT BA UPO to keep the work area dry and safe from the threat of high water discharge that could potentially hamper production activities. This research aims to conduct a technical study of the pumping system by calculating the total water discharge entering from groundwater and rain runoff, evaluating the actual pump capacity, and determining the optimal pump head requirements. Through field observation metphods and technical data analysis, the research results indicate that the current pumping system requires optimization in operational duration and settling pond management to improve efficiency. Based on the calculation of the total dynamic head, technical parameters were obtained that can serve as a reference for the company in adjusting pump performance to maximize the discharge of accumulated water out of the mine, ensuring that underground mining operations can be maintained more effectively. The expected optimization can reduce the risk of air pollution and improve the distribution system to support the safety and continuity of underground mining operations.]]>
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