Determination of Product Category Area and Storage Assignment Model for Reserve Storage Location in Distribution Center: Case Study on 3PL Company

Kusuma, Awalia Kyra Cahya (2021) Determination of Product Category Area and Storage Assignment Model for Reserve Storage Location in Distribution Center: Case Study on 3PL Company. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Product category area becomes an important aspect in warehouse to manage storage occupancy and maintain product quality especially for non-combinable product among categories. This study uses a case in third party logistics company which provides service for fast moving consumer goods (FMCG) company. DC Surabaya is one of the main distribution centers (DC) handled by the company. The escalation volume before and during festive month causes storage occupancy problem. Even though the overall warehouse occupancy is still sufficient to store all products, several product categories experiences under and over occupancy which result a random product allocation across category. This project aims to determine the product category area and storage assignment model for reserve location of DC Surabaya. Optimization using mixed integer linear programming is used to perform storage location assignment problem in multi-level double deep rack with full turnover storage policy to get the lowest possible order picking time and product placement within category. Product category adjustment results on a 5% higher rack cells allocation. Two scenarios of SLAP results total order picking time of 193.1 and 191.5 hours respectively in which scenario 1 offers 24% average saving time for picking by product.
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Area kategori produk menjadi aspek penting di gudang untuk mengelola okupansi penyimpanan dan menjaga kualitas produk terutama untuk produk yang tidak dapat digabung antar kategorinya. Projek ini menggunakan kasus pada perusahaan logistik pihak ketiga yang menyediakan layanan untuk perusahaan fast moving consumer goods (FMCG). DC Surabaya merupakan salah satu pusat distribusi (DC) utama yang ditangani oleh perusahaan. Peningkatan volume sebelum dan selama bulan raya menyebabkan masalah okupansi penyimpanan. Meskipun secara keseluruhan gudang masih cukup untuk menyimpan semua produk, beberapa kategori produk mengalami kelebihan atau kekurangan dari kapasitas yang mengakibatkan pengalokasian produk secara acak di seluruh kategori. Proyek ini bertujuan untuk menentukan area kategori produk dan model storage location assignment untuk lokasi cadangan DC Surabaya. Optimasi mixed integer linear programming digunakan untuk melakukan pengalokasian produk di rak double deep multi-level dengan kebijakan penyimpanan menjadi full turnover untuk mendapatkan waktu pengambilan dan penempatan produk serendah mungkin pada tiap kategori. Penyesuaian kategori produk menghasilkan alokasi sel rak 5% lebih banyak. Dua skenario SLAP menghasilkan total waktu pengambilan pesanan masing-masing 193,1 dan 191,5 jam di mana skenario 1 menawarkan penghematan waktu rata-rata 24% untuk pengambilan berdasarkan produk.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Distribution Center, Product Category Area, Storage Location Assignment Problem, Order Picking, Optimization, Pusat Distribusi,Produk Kategori, Optimisasi, Pengambilan order
Subjects: H Social Sciences > HF Commerce > HF5485 Warehouses--Management
Q Science > Q Science (General) > Q180.55.M38 Mathematical models
Divisions: Faculty of Industrial Technology and Systems Engineering (INDSYS) > Industrial Engineering > 26201-(S1) Undergraduate Thesis
Depositing User: Awalia Kyra Cahya Kusuma
Date Deposited: 24 Aug 2021 16:22
Last Modified: 24 Aug 2021 16:22
URI: http://repository.its.ac.id/id/eprint/89370

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