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<p align= "justify">Internal distribution of drinking water problems are generally caused by high water losses which resulted in service disruptions and rising costs of production and maintenance. Bengkuring WTP is a single water treatment plant that supplies water throughout The Reg...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/29338 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | <p align= "justify">Internal distribution of drinking water problems are generally caused by high water losses which resulted in service disruptions and rising costs of production and maintenance. Bengkuring WTP is a single water treatment plant that supplies water throughout The Region Bengkuring, Puspita and Padat Karya. In 2013, this region has a number of water losses is very high, namely 63%. DMA concept is a strategy to manage water losses, especially losses of physical water, ie, by dividing the open water supply network into isolated zones yards and a smaller and more manageable. The main objective in the application of this concept is to lower the physical water losses. In this study, carried out technical and financial studies related to the feasibility of the implementation of DMA in Bengkuring WTP service area. The analytical method used in this research is simulating hydraulics network (using Software Epanet), water balance calculation (using software Easycalc WB), and financial feasibility simulations (using the Net Present Value, Benefit Cost Ratio and Payback Period). According to the final results of the water balance in the preparation of this study, obtained figures of water losses in distribution service territory Bengkuring WTP in 2015 by 46%, which consisted of 8% of non-physical water losses / commercial and 38% of physical water losses. Then based on the results of the technical and financial analysis, DMA scenario 3 was selected as the design is quite effectively applied as it has an average pressure distribution in the early years of the most excellent continuity longer pressure distribution. In the application of DMA scenario 3, divide the area of distribution services Bengkuring to 7 DMA zone with the largest service zone covers 500-600 SR and the smallest service zone covers 100-200 SR. Based on simulation results Epanet, the average pressure distribution after the implementation of DMA scenario 3 is increased by 30% from the beginning of the existing pressure of 17.59 m to 23.31 m, while it is based on the simulation of an increase in water demand and distribution, DMA scenario 3 reliability up to the 13th year standardized average pressure of at least 5 m. Moreover in terms of financial, implementation of DMA scenario 3 requires an investment cost of IDR 3.112.780.000,-; the NPV, BCR and PP over the analysis period of 20 years in a row amounted to IDR 22.096.998.512,-; 1,44; and 5,20 years. DMA Scenario 3 has a size relatively small service zone to increase awareness of pipe leaks, leak repair active, easy operation of the decline of water losses, which in turn will accelerate the decrease in the number of water losses.<p align= "justify"> |
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