Assessment of storage and retrieval system at apparel industry

Ting, Doris Hui Chii (2015) Assessment of storage and retrieval system at apparel industry. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

An efficient storage and retrieval system helps in reducing the cost of operation of the industry. Demand, warehouse layout, location of items and picking methods are factors that affect to the system efficiency. The aim of this research is to assess the storage and retrieval system at Bulk Storage Area (BSA) of a manufacturing industry which produces apparel accessories. The way operators carried out their tasks and the facilities layout were observed and working procedure was examined through interview. The available rack space and occupied rack space were measured to determine the storage utilization. Time and motion study was carried out to evaluate value added (VA) and non-value added (NVA) elements in retrieving operation. The study found out that only 22.5% of storage was utilized. The average retrieving efficiency for one item was 72.4% while 75.1% for two items. The highest VA time was untie and weigh item which occupied up to 41.7% whereas highest NVA time fell on transportation with up to 67.2%. The interview and observation also revealed that Standard Operating Procedure (SOP) was not available for storing and retrieving process. Thus, SOP was proposed for major activities in BSA to increase the system efficiency. Implementation of SOP for retrieving operation with one item showed reduction of VA time by 31.4% while 62.1% for NVA time. The total time was decreased by 42.4%. For retrieving operation with two items, the total VA time was decreased by 41.7% while 43.7% for NVA time. Decrement of 42.4% was found in total retrieving time.

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