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All Journal Journal The Winners Industrial and Systems Engineering Assessment Journal (INASEA) Binus Business Review ComTech: Computer, Mathematics and Engineering Applications International Journal of Engineering and Emerging Technology
Jonny Jonny
Bina Nusantara University
Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Social Sciences

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Journal : Industrial and Systems Engineering Assessment Journal (INASEA)

 1 
ANALISIS SISTEM ANTRIAN PADA AREA FINAL INSPECTION DI VEHICLE LOGISTIC CENTER PT ADM UNTUK OPTIMALISASI JUMLAH SERVER, WAKTU TUNGGU, DAN TOTAL BIAYA PELAYANAN Kamillie, Sonny; -, Jonny
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 11, No 1 (2010): INASEA Vol. 11 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

Industry stakeholders are expected to work faster to fulfill market demands and avoid loss of opportunity in business. An effective and efficient system is need to support this expectation. This study examines the queueing system on Vehicle Logistic Center for optimalizing total number of servers. Long queues usually occur at the Final Inspection area. Data is collected and calculated, subsequently simulates using promodel 7.0. The result of this research shows that optimal total number of servers with a reduced waiting time of 11,60% and total cost of Rp 41.056,00.It is recommended that the company uses 2 (two) server for the queuing system in the Final Inspection area in order to improve service quality.
OPTIMASI PERSEDIAAN SPAREPART PADA PT XYZ MENGGUNAKAN TEKNIK SPARE PART QUANTITY DETERMINATION Jonny, Jonny
Industrial and Systems Engineering Assessment Journal (INASEA) Vol 15, No 1 (2014): INASEA Vol. 15 No. 1
Publisher : Industrial and Systems Engineering Assessment Journal (INASEA)

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Abstract

PT XYZ, an Indonesian public company, is one of cement producers in Indonesia. In order to produce good quality of cements, it designed manufacturing processes with good quality of facilities. One of its processes is burning process using rotary kiln with temperature up to 1,450 °C that may cause deterioration due to thermal expansion. Therefore, it should be coated by fire bricks as its spare parts. In general, a fire brick is built to withstand high temperature with low thermal conductivity. It also has such a limited useful life so that having excessive stocks may elevate costs, while running out of stock may cause the production to stop running. In order to keep the production running well, the company intuitively placed orders with additional 37.5% to its requirements. However, this technique has caused excessive stock levels and financial burdens. Therefore, the company has initiated an improvement initiative to optimize its stock. After conducting in-depth observation and comprehensive research, the company found that by using Spare Part Quantity Determination, it can reduce its inventory cost by 28.05% from previously inventory cost up to IDR 3.058 million to IDR 2.2 million per year.
Co-Authors Sonny Kamillie