MAINTENANCE OF 10 NOS TUBEWELL AND 2 PUMPHOUSE OF RURAL WATER SUPPLY SCHEMES IN GRAM PANCHAYAT DAWRI and BALIDAD KI BASTI UNDER SUB DIVISION RURAL CITY DIVISION JAISALMER

Based on O&M PHED BSR 2020 7.1 -- Maintenance of pipelines irrespective of size & material which includes Repairing of Bursts & leakages pollution control, survey & removal of choking, disconnection of illegal connections, Collection & recording minimum 10 nos. residual chlorine samples during daily supply timings, interconnections and all works related to pipeline network in existing distribution / rising main pipe lines of all sizes by digging out suitable size of pit in soft and loose soil/ hard soil including cutting of Black top, WBM & CC top of road of any size at work site. This will also include cutting of pipe ends, fixing of pipe piece with jointing material to make repair leak proof and then refilling of excavated tench / pit / road shall be done properly i.e after a layer of 20 cm with proper watering and ramming in layers. For entire job contractor will use their own T & P. Contractor with his own resources shall arrange de-watering, JCB & Tractor compressor if any and restore any amenity at his own cost damaged while performing the work in this item. The work includes daily patrolling and repair the leakages within stipulated time and complete maintenance of pipe line network of rising and distribution pipeline network within the area. Minimum labour required for following kms pipelines:

1 km to 50 km – one fitter-II & one beldar 50 Km for 1 Month for 6 Month = 50 * 6 =300 Km

7.3 - Maintenance of tubewells which includes round the clock monitoring of tubewells of all sizes, complete repairs / rewinding of submersible pump sets including cost of material components required to repair pumpsets, starters, meters etc. of electric panel of tube wells, Lowering and unlowering of pumpsets complete in all respect, maintenance of log-books & Histroy sheet as directed by Engineer-in-charge for tubewell per month. (For Rural Scheme where three phase electric supply is up to 8 hrs)

7.3.6 - 16.0 HP to 25.0 HP 10 Nos Tubewell for 1 Month For 6 Month =10*6=60

BSR Item no. 7.5 - Daily/ periodical operation of valves at supply times for specified by department per sluice valve per month. (Valve rod and cap to be arranged by contractor)

BSR Item no. 7.5.1 - 80–300 mm 29 Nos Valve for 1 Month For 6 Month = 29*6=174

BSR Item no. 7.7 - Running expenditure of pumphouses which includes complete operation of pumpmotor, maintenance of log-books as directed by Engineer-in-charge, general upkeeping of premises, security arrangements, Regular chemical dosing in CWR, cleaning and desilting of SR/CWR/SUMP once every six months, daily valve operation under the Campus of pump house and all other works as mentioned in scope of work in tender document for per pump house per month. (power supply up to 8 hrs) (excluding repairing of pumping machinery etc.)

BSR Item no. 7.7.1 - Upto 50HP 2 Pumphouse for 1 Month For 6 Month = 2*6=12

BSR Item no. 7.8 - Maintenance of centrifugal pump sets and motor/ Monoblock including cost of rewinding of motor, material components & accessories required to repair pumpsets, starters etc. of electric panels, deinstallation and re installation of pumpsets complete in all respect for per Centrifugal pump set with pannel per month. maintenance of histroy sheet as directed by Engineer-in-charge for centrifugal pump set per month. Operated load of Centrifugal Pump sets (HP)

BSR Item no. 7.8.3 -6.0 HP to 12.5 HP 4 Nos for 1 Month For 6 Month =4*6=24