Suggestion of raw material warehouse layout improvement using class-based storage method (case study of PT. XYZ)

Abstract

PT XYZ is a manufacturing company engaged in advertising and producing signage. The problem that occurs in the raw material warehouse and has no fixed rules in raw materials placement. This study aims to redesign the layout of raw material warehouse for signage manufacturing company to reduce the distance of raw materials movement and raw materials arrangement. The method used in this research is a class-based storage method. The improvements of raw material warehouse layout applied by considering the order of activities, class formation, current warehouse area, and calculating the total distance of the movement. Based on the data calculation results and improvement reduce the space of warehouse requirement for amount 23,98% to 16.12%. The distance of raw materials movement also decreased, from 755.211 m to 522.587 m. First layout alternative gives the best solution that will reduce material handling costs, will reduce the distance of raw materials movement, and will reduce the time of raw materials movement.