Abstract:The water treatment plant (IPAM) in Kampung Damai is one of nine water treatment plants owned by PDAM Tirta Manggar, Balikpapan City. In carrying out clean water treatment, IPAM Kp Damai requires water purification raw materials in alum, lime, and chlorine. Companies often experience shortages or accumulation of raw materials from the rest of the previous production, so that it has an impact on inventory and storage costs. Therefore, we need planning and control of raw materials to optimize the total cost of i… Show more
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