Water security for Indore city - ImagineIndore.org

identification, servicing and marking of all zone valves for all zones should be carriedout. In view of above, proper bulk metering is essential for efficient management andwater balance calculation. Bulk Management meters are recommended at followinglocations:(i) At the inlet and outlet of all water purification works; these meters can be installedpermanently on the outside of the pipe without having to shutdown the pipeline. Theseare 7 in numbers.(ii)On selected positions on the trunk mains 7 in Nos (for large pipes ultrasonic meters tobe most appropriate).(iii)Upstream of the zonal valves of the inlet of management zones which are presently 12in numbers.(iv) At main sump wells- 4 in Nos.Thus in all 30 Bulk management meters have been proposed .The location of Bulkmanagement meter has been indicated on Map . In long run, the bulk meters are to beinstalled on the outlet of all elevated water tanks as well as at the entrance to all zonemetered areas. The metering should be prioritized to meter the positions with constantsupply. Bulk meter should also be at the point where the water tankers are filled each dayso that consumption on this account is correctly assessed.7.2.2 Domestic Consumer meters:Presently, the domestic connections in Indore Water supply are not metered and watercharges are recovered on flat tariff rates. Due to this, there is high wastage/leakages inthe system at the consumer level because there is no financial incentive/discouragement.Initially, the domestic metering must be encouraged at an individual DMA level as a pilotproject and based on the experiences gained, same with suitable modification/amendmentcan be extended to other DMA’s also. Recently, the IMC has initiated a pilot project onthese lines in southern area of Rajendra Nagar.7.2.3 Water Audit:To know distribution/transmission losses in the water distribution system at Indore, apreliminary water audit was undertaken using the Aqualibre software. A summary ofprimary water audit is given at Annexure (C ) . As per this1. System input excluding tube well & Bilawali tank : 73,000,000 cum.2. a. Revenue water : 44,973,128 cum.b. Non-revenue water : 28,026,872 cum.From above, Unaccounted for Water (UAW) is 38.39% of total supply is much higheragainst the national average of 24% for Metropolitan cities (1999). The range of UAW atNational level is 10-55% for Metropolitan cities.23