Decision making analysis for water distribution improvement projects

Abstract

Regional water utility company at Jakarta is determined to improve the quality of service to its customers. The water distribution system must have criteria for quantity, quality, and continuity of flow. To maintain the criteria of company, it continues to make improvements. Based on the evaluation of water utility company that they could decrease of non-revenue water was 1% per year with company target was 2% per year. Decision support systems increasingly play an important role in the area of area control that will be used as improvement project on pipes to customers. Some supporting methods that will be used are electre and linear programming (LP). Electre will be used in decision making analysis on determining the repair area. Based on the results of electre analysis, it can be seen that B01, B02, B13, and B20 have the highest priority that can be recommended for improvement projects. LP can be used as tools for selecting the project to get maximum profit from limited of budget. Based on the results of LP analysis, it can be seen that it selected 13 projects from 16 projects with the constraint's budget of maintenance is 16.7 BIDR.