ANALISIS SALAH SALUR KIRIMAN SURAT KILAT KHUSUS DENGAN MENGGUNAKAN METODE SIX SIGMA (STUDI KASUS : PT POS INDONESIA (PERSERO) KENDAL)

Abstract

Increasing business competition in logistic industry precisely on courier services made PT Pos Indonesia (Persero) Kendal has to pay attention to the company's performance in the processing of submissions received. Problems in processing are the errors Ducts Special Express Mail shipments (SKH). Miss sending SKH shipment due to several causes, such as neglectful employees, lack of knowledge regarding the conducted region, the environment and infrastructure of the shipment sorting area, and the absence of standard SOP regarding the tasks of SKH shipment sorting activities.

Troubleshoot to these issues is by using the Six Sigma method and DMAIC (Define, Measure, Analyze, Improve, Control) model. Define phase determined the problem by using SIPOC diagram. Performed measurements using the P control map. Analyze phase looked for the root causes of the problems that occur. Improve phase made improvements to the root causes of the problem. Control phase monitored by making suggestions on improvements that have been proposed.

The yield on define phase could solve the problem by using SIPOC diagram. In the measure phase, the largest number of SKH miss sending shipment in July 2015 amounted to 169 pieces, and there are two points that came out of the control chart that is in July and December 2015. In the analyze phase, the main cause of miss sending is the employees who are not serious in sorting items, lack of knowledge of employees regarding the conduction region, the environment and infrastructure of the shipment sorting area, and the absence of standard SOP regarding the division of tasks SKH shipment sorting activities. In the improve phase, improvements are made by periodic examination of the balance sheet and the performance of employees through regular briefings, make a list of the conduction region in accordance with the existing KPC, infrastructure improvements, and make a written SOP which readable by employees. At this stage of control, Process Manager oversees transportation and delivery as the number of errors that occur after the repair is done.