Perencanaan Persediaan Bahan Baku dan Penurunan Down Time Mesin (studi Kasus pada PT. Toba Pulp Lestari, Tbk porsea-Tobasa)

Abstract

The status of PT Toba Pulp Lestari, Tbk Porsea Toba Samosir whose factory is located in the village of Sosor Ladang, Parmaksian subdistrict, Toba Samosir district, Investment (P MAJ since May 11, 1990, in accordance with the Letter of Approval ofBKPM (National Investment Board) No. 170/Ill/PMA/1990 and the stock of this company has been sold at Bursa Saham Jakarta and Surabaya (Jakarta and Surabaya Stock Exchange) since 1992 and at New York Stock Exchange (NYSE). PT Toba Pulp Lestari, Tbk Porsea Toba Samosir is a company which is active in p_ulp industry intended to meet the demand of domestic and foreign market with "make to stock" manufacture classification The fact is that the need for raw material to meet the production target of 2 40. 000 tons per year has not yet met, the quality of raw material was not yet standard, and the net hours of machine working was in average 14 hours 15 minutes for the total available time of 24 hours per day The plan of the need for raw material budgeted based on SUR (standard usage rate) was 3, 8 ton log/ton pulp yet in fact the company did not meet this planned budget. In January, realization of SUR was 4,56 ton log/ton pulp, in February 4,34 ton log/ton pulp, and in March was 4,30 ton log/ton pulp. To solve the problem mentioned above, planning engineering (total productive maintenance) and supply engineering were performed The result obtained through the application of this system was that the value of OEE (overall equipment effectiveness) has meet the world class standard because it has met the following criteria such as availability 900/o, performance 95%, and quality 85%, with OEE (overall equipment effectiveness) 85% The OEE (overall equipment effectiveness) data of January-March 2011 reveals that after the engineering was performed the value of OEE of January was 85,47%, February was 85,18%, and march was 88,42%.