E-NIT-56-III-2025-26 WORK NO 04

Part -A (Operation and Maintenance work of pipe line, pump house and tubewell) 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 scope of work for per km pipe line per month. Jointing material shall be provided by the department. Minimum labour for a following kms pipelines to be deployed. 1 km to 50 km - one fitter-II & one beldar (for 47 km x 12 months = 564)

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 Urban water Supply Scheme) 16.0 HP to 25.0 HP Tubell no.1 at Bada Park Swarn Jaynti Vistar Tubell no.2 at Park near LIG CMAY Flats Tubell no.3 at Park near Swarn Jaynti quarter Tubell no.4 at Park ERS Swarn Jaynti Tubell no.5 at Park Ashok Nagar Block A Tubell no.6 at Park Ashok Nagar Block E Tubell no.7 at Park Ashok Nagar Block F Tubell no.7 at Park Shaukat Usmani Nagar (8 tubewells x 12 months = 96)

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) 350mm-800mm (5 valves x 12 months =60)

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 minimum 16 hrs) (excluding repairing of pumping machinery etc.) Upto 100 HP Pump house no. 1 at Park near LIG CMJAY Flats Pump house no. 2 at Park ERS Swarn Jaynti Pump house no. 3 at park Shaukat Usmani Nagar (3 pump house x 12 months =36)

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) 13.0 HP to 20.0 HP in 3 nos. of pump houses @2pump sets in each P/H (6 pump sets x 12 months =72)

Cleaning of Clear water reservoirs ( CWR's) of below mentioned capacity including removal of all silt from reservoir, scrapping of walls, disinfection of reservoir after cleaning and disposal of silt up to 1.00 Km lead and painting the date of cleaning on the reservoir. 501 to 600 KL CWR 1 at Park near LIG CMAY Flats CWR 2 at Park ERS Swarn Jaynti in every six months

Cleaning of Over Head Service Reservoir ( OHSR ) of below mentioned capacity including removal of all silt from reservoir, scrapping of walls, disinfection of reservoir after cleaning and disposal of silt up to 1.00 Km lead and painting the date of cleaning on the reservoir.50 to 100 KL OHSR at Park ERS Swarn Jaynti in every six months

Part -B Repairing, Upgradation and Misc. works (if required during O & M period) Deepening of existing tube well by DTH system beyond existing depth up to 100 mtr. and above in all type of rocks including flushing of tube well and obtaining sand free water. 200 mm nominal dia

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes : 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m)

Providing & Lowering in tube well ISI marked GI Pipe medium duty (“B" class), Steel tube as per IS:1239 or amended up to date and zinc coating as per IS 4736, threaded and double flanged (welded) on both ends and two number 25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect. 50 mm dia