Evaluation of Design Planning Water Distribution System with Watercad v.7.0 Simulation Program for Townsite Basecamp Settlement Relocation in Tanjung Enim, South Sumatra

Abstract

Settlement infrastructure is one important factor for support our social life, especially in mining society. One of mining settlement is named by Townsite Basecamp settlement where is placed in Tanjung Enim, South Sumatra. This settlement location is 500 meters far away from the mining area and needs to be relocated to Township settlement as the new location which has 50 km far away from the old one. This relocation is caused by the mining company has to get the coal which is under the settlement location. Of course, this effort needs new design project for the infrastructure especially for water distribution system in new location. This research purpose is to evaluate the design planning of the water distribution system in a new location based on the main problem of water distribution system in old location. The methodology which used for this research is watercad v.7.0 simulation program and descriptive quantitative analysis. From the data analysis and survey result to the 35 respondents of 336 people who live in Townsite Basecamp settlement, there are 3 of 10 locations still have the continuity of fewer than 24 hours, 4.2 for minimum number of pH water while the normally is 7.0 for number of pH water, average number of 102.496 m3 water productivity in a month, average number of 42.140 m3 water consumption in a month while the standard is 13.095 m3 in a month. From the analysis result of water distribution system design with watercad v.7.0 simulation program, the number of water demand is 4.67 l/sec or 403.200 l/day while the minimum requirement is 1.82 l/sec or 157.248 l/day. The new design needs 61 nodes for each junction and 6.938, 75 m length of pipe, 5.31 atm for maximum pressure and 0.48 atm for minimum pressure. Keywords: Water distribution system, watercad v.7.0, descriptive quantitative analysis.