Perencanaan Produksi Kopi Menggunakan Model Matriks Transportasi Bowman (Studi Kasus: PT.Sumatera Specialty Coffees)

Abstract

ABSTRACT PT. Sumatera Specialty Coffees is one of the companies engaged in agribusiness, especially coffees. The main ingredients of cosffees from farmers, farmer groups and suppliers of coffees. Purchase of coffees in focus at the branch office Siborongborong. This study discusses coffees production planning using the Bowman Transportation Matrix Model devoted to problems in which the source is always greater than or equal to the goal, so that the goal can not be greater than the source. So far in the production process, PT. Sumatra Speciality Coffees has not been managed well. Where, every day of the production process is done simply adjusted by the amount of raw materials or terms in this company called Kopi Tanduk Basah (KTB) entering to the company. Often emploiees at this company have to work overtime because of many KTB are entered. Without customized with Biji Hijau Kering (BHK) that already exist in the warehouse. Though BHK delivery to Berastagi are always adjusted to the demand. So in a certain period, BHK in warehouses could exceed the capacity. So when it happens and no incoming KTB, stripping and drying process will terminate in a given period. The purpose application Bowman Transportation Matrix Model in production planning is to memanejemen production process or often referred to as production scheduling. The result of this study is to produce an optimal amount of production for January - June 2015 in the amount of 33 781 kg, 414 506 kg, 346 849 kg, 384 014 kg, 493 401 kg, and 477 529 kg. Where production is done entirely on regular business hours. So in this case the company does not need to work overtime. And with the cost of production by Rp83.816.568.640,00. Keywords : Forecasting, Production planning, Linear programming, Matrix bowman transportation.