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Journal : Industrika : Jurnal Ilmiah Teknik Industri

DEMAND CATEGORIZATION DAN INVENTORY MANAGEMENT PRODUK OBAT: STUDI KASUS PADA SUATU TOKO OBAT DI KOTA SOLOK, SUMATERA BARAT Inna Kholidasari; Lestari Setiawati; Eka Putra
Industrika : Jurnal Ilmiah Teknik Industri Vol. 4 No. 2 (2020): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v4i2.227

Abstract

This research raises the problem of controlling the inventory of medicinal products. The case study was conducted at a drug store in the city of Solok, West Sumatra, where the drug store still has stock out and over stock of various types of drugs it manages. The purpose of this study was to control drug supplies that have a high demand value. Demand data for the period February-April 2020 are grouped with demand value criteria using the Pareto Classification ABC Method. From the demand categorization process, 45 types of drugs were included in A group, which means that this drug group provides a large revenue contribution for the drugstore. Thus, the type A drug group needs more attention from drug store manager in terms of controlling drug supplies. Furthermore, forecasting is carried out for drugs belonging to A drugs group using the Moving Average Method, the Single Exponential Smoothing Method and the Linear Regression Method. The inventory control method adopted is the Economic Order Quantity (EOQ) method. The results showed that the lot size of each type of drug per order ranged from 10-122 units with a safety stock ranging from 5-50 units of product. Then the reorder points obtained ranged from 8-81 units. With the control of drug supplies in place, it is hoped that the stock out and over stock that occurs in drug stores can be minimized.
PENJADWALAN MESIN DENGAN MENGGUNAKAN ALGORITMA JADWAL NON-DELAY DI PT. SNN SEKSI WORKSHOP Inna Kholidasari; Lestari Setiawati; Mirinda Mirinda
Industrika : Jurnal Ilmiah Teknik Industri Vol. 5 No. 1 (2021): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v5i1.358

Abstract

Production scheduling is the most important part in carrying out the production process that will be carried out on a production floor. Scheduling activities are carried out before the production process begins to ensure the smooth running of the production process. If the production scheduling is not done properly, there will be obstacles in the production process and will cause losses to the company. This study aims to determine the production machine scheduling in a company engaged in the manufacture of spare parts for automotive products. This company implements a job shop production process and uses the First In First Out method in completing its work. Due to the large number of products that have to be produced, there are often two or more products that must be worked on at the same time and machine. This condition causes some products to have to wait for the associated machine to finish operating and causes long product turnaround times. This problem is solved by making a production machine scheduling using the Non-Delay method. By applying this method, the makespan of completion time can be minimized.
PENERAPAN METODE SHORTEST ROUTE PROBLEM UNTUK MENENTUKAN RUTE DISTRIBUSI PRODUK GAS LPG 3 KG DENGAN KRITERIA MINIMASI BIAYA TRANSPORTASI DI PT.WWW Inna Kholidasari; Aurelia Putri Zein; Susanti Sundari
Industrika : Jurnal Ilmiah Teknik Industri Vol. 6 No. 1 (2022): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v6i1.585

Abstract

PT. WWW strives to deliver products in a timely and cost efficient manner. The determination of the LPG distribution route that has been carried out so far is the result of an estimate without calculation so that transportation costs always increase unexpectedly, so PT. WWW cannot determine fixed costs for transportation and time of goods to arrive so that it has an impact on customer satisfaction. The purpose of this study is to determine the path that provides the shortest route so as to minimize transportation costs and as a reference for product distribution and at the same time can answer the problem of the right delivery time and have an impact on customer satisfaction. The results of the study resulted in a better and optimal proposed route where the shortest route for fleet one was through the PAS – ND – LH – BD – PT. WWW with the calculation of the distance: 3.1 + 1.4 + 0.60 + 0.03 totaling 5.13 km / day. And for the fleet two through the PAS – ED – SN – WR – PT. WWW with the calculation of the distance: 3.9 + 2.9 + 1.4 + 4.0 totaling 12.2 km/day. The transportation cost for the six bases is Rp. 1,323,520,-/month
PENERAPAN METODE SYSTEMATIC LAYOUT PLANNING UNTUK MEMINIMASI JARAK PERPINDAHAN MATERIAL PADA UKM X Inna Kholidasari; Yulia Sridewi Syahri; Susanti Sundari
Industrika : Jurnal Ilmiah Teknik Industri Vol. 7 No. 1 (2023): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v7i1.943

Abstract

Proper layout arrangements can have an impact on minimizing the distance and time of the production process. The research was conducted at UKM X which produces fish-based snacks in Jambi Province where there is a back and forth flow in work activities due to the placement of work stations that are not in the order of the process flow and the placement of each process in a different room resulting in an increase in both working time and distance required in the production process. The purpose of this research is to re-design the layout of production process facilities in minimizing the distance between production processes by applying the Systematic Layout Planning (SLP) method. The results of this study indicate that the percentage of reduced material movement distance in the initial layout with the proposed alternative layout I is 21.56% (the selected proposed layout) and in the proposed II alternative layout is 15.94%. And the results of this study can be used as a guideline for UKM X managers which are used as case studies in research..
Evaluasi Ketersediaan Kapasitas Produksi Produk Keripik Singkong Menggunakan Metode Rough Cut Capacity Planning (RCCP) Kholidasari, Inna; Rizani, Miftahul Fahriyyah; Kartawidjaja, Maria Angela; Sukwadi, Ronald
Industrika : Jurnal Ilmiah Teknik Industri Vol. 8 No. 3 (2024): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v8i3.1649

Abstract

This research is research in the area of Operations Management which are discuss the problem of production capacity planning in a production system. The availability of production capacity is the aspect that must be considered to support the production process and fulfill the target of production. The case study was carried out in a business of making and selling cassava chips which experienced an increase in demand levels. An analysis of the availability of production capacity is needed. The target of current production level is also needs to be evaluated based on forecasting results. The aims of the research is to determine the targets of production based on forecasting results and evaluate the production capacity of the case study organization using RCCP method. Forecasting methods that is deployed in this research is the Moving Average Method, Double Moving Average Method, and Single Exponential Method (∝=0,1) since the historical data to be used are time series data. Implementation RCCP method is carried out by making a Master Production Schedule, Bill of Material, and Routing File. The Findings show that there is an increasing trend in demand and the production targets set by the manager must be adjusted to the forecasting results. In terms of production capacity, a comparison of Availability Capacity and Requirement Capacity shows that the company’s production capacity is still adequate even though the demand tends to increase. Keywords: Capacity Planning, Production Capacity, RCCP