Menentukan Lokasi Gudang Eksternal PT Raja Roti Cemerlang Dengan Gravity Location Models

Abstrak

PT Raja Roti Cemerlang is a food industry that produces bread flour. PT Raja Roti Cemerlang plans to add a new warehouse to expand its reach to existing customers  by  minimizing  distribution  distance  and  shipping  costs.  This research provides an analysis using mathematical modeling for the problem of selecting the location of new facilities for the company. This model is used with  the  aim  of  providing  recommendations  for  the  location  of  candidate warehouse facilities that will be used as a new warehouse that is centralized to  its  consumers.  This  research  uses  a  gravity  location model  that  is implemented  simply  with  Microsoft  Excel  software.  This  method  is  used based on its suitability with the identification of problems that the company has. In this research, the data needed to determine the best facility location in accordance with the gravity location method procedure is collected. The data  collected  is  consumer-related  data  from  the  company  PT  Raja  Roti Cemerlang  such  as  location  (latitude,  longitude),  number  of  requests,  and distance  data. The results of managerial analysis related to the old location and new location for facilities that will be used by the company show a new location with coordinates -6.178209493, 106.8433249 which is located in the Senen  area,  Central  Jakarta  City,  Special  Capital  Region  of  Jakarta  which has been projected by having a total difference in distance between the initial distribution location and the location of the external warehouse alternative 3 which is 198.37 km and the difference in shipping costs of Rp. 466,170.