REPAIR / MAINTENANCE AND FLUSHING OF BOREWELLS AND CONNECTED WORKS AT CVRDE AVADI

Amount

M&L for cleaning of under ground water storage sump of capacity 50,000 gallons at Bharathiya nagar new pump house and Tech area T-54, at any depth by scrubbing, brushing the edge on all sides, floors, ceiling by de-watering the UG sump either using pumping set or manually removing slit, slush and any other sediments, sludge etc from the side walls, floor by using wire brushers etc applying bleaching powder slurry to the walls, floors, cleaning the walls, floor with clean water and applying one coat of lime wash to the complete internal walls and all outer surfaces above ground level, including writing details by synthetic enamel paint such as date of cleaning, next due date, capacity of UG sump etc, on white letters with black background all as specified and as directed.

All as per item No.1 here in before but water storage sump of capacity 80000 gallons at OTD pump house.

All as per item No.1 here in before but water storage sump of capacity 25000 gallons at Test Track pump house.

All as per item No.1 here in before but water storage sump of capacity 10,000 gallons at Filtration plant Pump house, COVTEC Pump House, DH Bldg Pump House, Transit Facility Pump House.

All as per item No.1 here in before but water storage sump of capacity 6000 gallons at S type Offr's Md Qtr in Vikas Nagar area.

All as per item No.1 here in before but water storage sump of capacity 10000/15000 Ltrs at Scientest Hostel Pump house, DSC Line pump house, Arjun Auditorium pump house, Alfa Bldg Pump house.

M&L for cleaning of over head reservoir capacity 40000 gallons 60 feet stagging (Near Troops line) by scrubbing,brushing the edge on all sides, floors, ceiling by dewatering either using pumping set or manually removing slit, slush and any other sediments, sludge etc from the side walls, floor by using wire brushers etc applying bleaching powder slurry to the walls, floors, cleaning the walls, floor with clean water and applying one coat of lime wash to the complete internal walls including writing details by synthetic enamel paint such as date of cleaning,next due date,capacity of over head reservoir etc, on white letters with black background all as specified and as directed.

All as per item No.7 here in before but of capacity 25000 gallons at 50 feet stagging at Bharathiya Nagar Pump house, T54 Pump house & Wine Cup pump house

M&L for periodical cleaning of shallow wells by bailing out of water below the foot valve level of the existing pump set, removing the mud, silt, solid pieces and any other unwanted material from the inner surface of well, one coat of lime wash for inner and exposed outer surface of well, including wiring the capacity of well, date of cleaning and next cleaning date etc with white paint on black surface all as directed by Engineer in charge for size of well 6 meter dia and 18 meter deep all as directed

All as per item No.9 here in before but size of well 3 meter dia and 12 meter deep

M&L for Disconnecting electrical connections and taking out submersible pump sets any capacity alongwith column pipe from borewell of any depth (approx 60 m) by unscrewing each column pipe for checking and repairing and re-lowering the same after repairs are carried out and anchoring it on the well with clamps including electric connectons and testing complete. Note: (i) Repair works of Submersible pumps (as required) will be measured and paid separately (ii) The GI pipe in good condition being reused. The fixing charge is included in this item.

M&L for Disconnecting electrical connections and taking out submersible pump sets any capacity alongwith column pipe from Openwell of any depth (approx 30 m) by unscrewing each column pipe for checking and repairing and re-lowering the same after repairs are carried out and anchoring it on the well with clamps including electric connectons and testing complete. Note: (i) Repair works of Submersible pumps (as required) will be measured and paid separately. (ii) The GI pipe in good condition being reused. The fixing charge is included in this item.

M&L rewinding of submersible motor of any capacity 5/7.5 HP with super enamelled copper wire of existing gauge and No of turns and varnishing complete and testing and including refixing the pump sets all as directed by Engineer in charge. Note: Shaft, impeller, bowls, thrust bearing, distance sleeve as required will be measured and paid separately.

M&L for servising and greasing of submercible pump of capacity 5.0 / 7.5 HP and testing and including replace the bearing with new all as directed by Engineer in charge.

Supply and fix in replacement of Impeller suitable for 5.0 / 7.5 HP tubular submersible pump set .

Supply and fix in replacement of thrust bearing suitable for 5.0 / 7.5 HP submersible pump set.

Supply and fix in replacement brass bush and distance piece suitable for 5.0 / 7.5 HP submersible pumpset.

Supply and fix in replacement CI bowls for 5.0 / 7.5 HP submersible pumpset including replacement of rusted GI support strip all as directed.

M&L flushing the existing bore well water with Air compressor minimum 4 hours per bore well all as directed by Engineer in charge.

Supply and fix in replacement PVC insulated 3 core copper flat cable 2.5 sqmm for submersible pump set for 5 HP capacity.

All as per item No 20 above but 4.0 sqmm for submersible pump set for 7.5 HP capacity.

S&F in replacement DOL starter 415 volts, 5/7.5 HP 50 Hz all as directed ( MK 1 DOL).

S&F in replacement DOL motor starter rating 5/7.5 HP, 3 Phase 415 Volt 50 Hz, MUG 6 in sheet enclosure type all as directed by Engineer in charge.

S&F in replacement of PVC borewell top cover suitable for bore well casing of size 200 mm dia.

M&L painting LT starter panel board with one coat of synthetic enamel paint (inside and outside) after disconnecting the LT electric supply and taking down the starter and switches complete and refixing after painting dismantled items of the panel and connecting electrically and also writen bore well No with white paint all as specified and directed.

Supply fixing in replacement Nylon rope of 16mm dia suitable for borewell all as directed by Engineer in charge.

Supply and fix in replacement column pipe with GI tubing medium grade 3 meter long each of bore 50 mm dia with threaded both ends and with one No of heavy duty coupling suitable for above column pipe to replace the rusted/ damaged GI pipes dismanted vide item No 1 above complete all as directed.

S&F in replacement unplasticized polyvinyl chloride (UPVC) column pipe of pressure rating 20 kg/sqcm of size 50 mm bore each length 3 metre long all as directed.

Taking down or up steel tubing and connections for 20 mm bore of pipe from Trenches / Walls / Floors etc. complete all as specified and as directed. Note: Earthwork and excavation as required shall be measured and paid separately.

All as per Serial Item No. 29 above but of 25 mm bore.

All as per Serial Item No. 29 above but of 40 mm bore.

All as per Serial Item No. 29 above but of 50 mm bore.

All as per Serial Item No. 29 above but of 80 mm bore.

S & F GI Water Tubing, 20mm bore, Medium Grade, including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc. fixed to walls, ceiling or laid on floors including testing complete all as specified andas directed.

All as per Serial Item No. 34 above but of 25 mm bore.

Supplying and laying GI Water Tubing, 40 mm bore, Medium Grade, including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc laid in trenches including testing complete all as specified and as directed.

All as per Serial Item No. 36 above but of 50 mm bore.

All as per Serial Item No. 36 above but of 80 mm bore.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep in Soft / Loose soil for taking out or laying of Pipes, Cables of any size etc. complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

GURU ENTERPRISES

rc enterprises

EASHWAR ELECTRICALS

RK ENTERPRISES