The objective of this paper is to assess the extent of fresh water leakage loss in Kuwait and to recommend to the Ministry of Electricity and Water (MEW) the steps to be taken for the minimization of this loss. A broad conclusion was made from the study that water loss through real leakage is not a significant problem in the Kuwait water distribution system; however, more improvements can be made to reduce the non-revenue water loss. A preliminary system water balance has been carried out using available reported data. This water balance indicated that the real loss in the system is about 5%. An attempt was carried out to validate leakage levels by investigating night flows and water balances on six DMAs namely, Al-Sha'ab, Al-Rihab, Al-Qadsiya, Al-Riggae, Al-Shuhada and AlHadiya. Based on the national average of real losses normalized by the ratio of the local mass balance discrepancy to the national average, the estimates of real loss (leakage) ranged from 1-12% where as the non revenue water could reach close to half of the fresh water input. More detailed field leakage detection surveys and pressure drop tests were carried out on each DMA. The field leakage detection survey indicated that there was little detectable real leakage except for Al-Qadsiya DMA. Almost all the leakages found were at the consumer connection. During the investigation a number of issues were found related to customer metering such as poor installation details, pumps on the supply pipe affecting meter readings, and damaged meters. The combined effect of these issues means that there could be significant meter under registration in the range of 10-50%. Recommendations are made to reduce the amount of non-revenuewater (including real losses), to improve the distribution network in general. The most important recommendation is to investigate and improve the materials and the practice of installing consumers' connections as it is the main source of real leakage. The problem of meter under-registration has to be effectively resolved to reduce the non revenue percentage of potable water and to increase the accuracy of future leakage monitoring.
The objective of this paper is to develop a Kuwaiti water code of practice for internal plumbing of potable water supply in homes, apartment complexes, and public facilities. In order to prepare the code, data collection was accomplished in three categories, namely, communication with governmental authorities; communication with local industries and plumbing service companies; and collecting, and studying international codes applied in other countries. The final outcome of this project was a "Uniform Potable Water -Plumbing Code of Kuwait (UPPCK)". The UPPCK is composed of seven chapters and three appendices. It includes the standards for plumbing material specifications and general regulations, the requirements for plumbing fixtures and fixture fittings, water supply roof appliances and the ground and elevated storage tanks, approved methods for the design of water supply and distribution, and finally the protection of the water supply network from back water flow. The implementation of the UPPCK will have a positive influence on water conservation by reducing wastage of water and will ensure better health of consumers.
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