REPAIR AND MAINTENANCE OF PUMP AND MOTORS INCLUDING REPAIR TO SUBMERSIBLE PUMPS AND ASSOCIATED MAINTENANCE OF EXTERNAL WATER SUPPLY SYSTEM AT CVRDE AVADI

Amount

Providing and fixing GI pipes 20 mm dia complete with GI fittings including trenching and refilling external work etc.

Providing and fixing GI pipes 25 mm dia complete with GI fittings including trenching and refilling external work etc.

Providing and fixing GI pipes 40 mm dia complete with GI fittings including trenching and refilling external work etc.

Providing and fixing GI pipes 50 mm dia complete with GI fittings including trenching and refilling external work etc.

Providing and fixing GI pipes 80 mm dia complete with GI fittings including trenching and refilling external work etc.

Providing and fixing Gunmetal gate valve 50 mm with CI wheel of approved quality (screwed end)

Providing and fixing Gunmetal gate valve 40 mm with CI wheel of approved quality (screwed end)

Providing and fixing Gunmetal gate valve 25 mm with CI wheel of approved quality (screwed end)

Providing and fixing Gunmetal gate valve 20 mm with CI wheel of approved quality (screwed end)

Supply and fix following GI fittings medium grade:-

Union 80mm dia bore

Union 50mm dia bore

Union 40mm dia bore

Union 25mm dia bore

Union 20mm dia bore

80mm dia bore socket

50mm dia bore socket

40mm dia bore socket

25mm dia bore socket

20mm dia bore socket

50mm dia bore Nipple

40mm dia bore Nipple

25mm dia bore Nipple

20mm dia bore Nipple

50mm dia bore elbow

40mm dia bore elbow

25mm dia bore elbow

20mm dia bore elbow

50mm dia bore Tee

40mm dia bore Tee

25mm dia bore Tee

20mm dia bore Tee

50mm dia bore Male/Female Bush

40mm dia bore Male/Female Bush

25mm dia bore Male/Female Bush

20mm dia bore Male/Female Bush

50mm dia bore M.I. G.I Flange

80mm dia bore M.I. G.I Flange

20 mm SS Float valve with rod and ball

25 mm SS Float valve with rod and ball

Supply and fix CI Foot valve for 100mm dia.

Supply and fix CI Foot valve for 80mm dia.

Supply and fix GI Foot valve for 50mm dia.

Supply and fix Jip coupling for the undermentioned sizes of CI/GI pipes including all connected items and misc works required at site complete.

(a) 150 mm dia

(b) 100 mm dia

(c) 80 mm dia

(d) 50/40 mm dia

M& L for Collecting water sample from water resources indentified by JE/AGE as specified in IS at residential area, OTD and Test Track and submitting to Govt/NABL approved laboratory for testing of water for physical and chemical parameters for use in domestic portable purpose all as specified and directed. Details of Tests:- (a) Colour, (b) Turbidity, (c) Odour, (d) PH value, (e) TDS, (f) Floride (as F), (g) Chloride (as Cl), (h) Iron (Fe), (j) Total Hardness (as CaCo3)

Supply and fix cast iron sluice valve PN-1.6 confirming to IS 14846/2000, ISI Mark with MS spindle and iron wheel head with both ends flanged with new rubber gasket, bolts and nuts including dismantiling of old unserviciable sluice valve fixed at any location all as directed for the following. Note:- Quoted rate is deemed to be inclussive of cutting the existing CI/DI/MS/GI/PVC pipe, insertion of specials and making provision for fixing of valves, jointing and testing including necessary welding, flanges, packings, bolts & nuts etc required at site compete all as specified and directed.

(a) 150 mm dia

(b) 100 mm dia

(c) 80 mm dia

M & L for taking out sluice valves for undermentioned sizes refacing, regrinding, repacking stuffing box of sluice valve, repairs to spindle & checknut and refixing/ reassembling and testing after completion all as specified and as directed.

(a) 150 mm dia

(b) 100 mm dia

(c) 80 mm dia

Construction of valve chamber with 150 mm thick PCC foundation 1:4:8 type D2 using 40 mm graded stone aggregate, 230 mm thick brick masonary wall sub class 'B' bricks builts in cement mortor 1:4, 10 mm thick plastring to brick masonary in cement mortar internally and exposed externa surface upto 15 cm below ground level, 50 mm thick coping with PCC 1:2:4 type B1 using 20 mm graded crushed trap stone aggregate valve chamber frame cover made of mild steel angles of size 40mm x 40 mm x 6 mm and cover made of 2.5 mm thick mild steel sheet fixed with mild steel hinges - 02 Nos, locking arrangements with provision of locks and painting the steel surfaces with two coats of synthetic emamel paint over a coat of zinc chromate primer including neccessary earth work, excavation, dismantling of existing valve chamber of any size and pattern and at any postion all as specified and directed by Engineer - in - charge for the following :-

(a) Size up to 1.00M x 1.00M x 1.0M (Internal Size)

(b) Size up to 1.5M x 1.5M x 1.5 M (Internal Size)

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5 m in depth for foundation laying of pipe line etc and getting out in hard/dense soil complete all as specified

Returning filling including spreading, levelling watering and well ramming in layers not exceeding 25 cm thick in hard/dense soil complete all as specified and directed

Removing excavated surplus hard/dense soil to a distance not exceeding 50 m and depsoiting where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed

Material and Labour for PCC 1:3:6 type C1, using 20 mm graded crushed trap stone aggregate & grouting in cement mortar 1:4 for making good disturbed surfaces.

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.23 here in before but water storage sump of capacity 80000 gallons at OTD pump house.

All as per item No.23 here in before but water storage sump of capacity 25000 gallons at Test Track pump house.

All as per item No.23 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.23 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.23 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.29 here in before but of capacity 25000 gallons at 50 feet stagging at Bharathiya Nagar Pump house, T54 Pump house & Wine Cup pump house

Dismandling the top grill of open well and 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 (including Shrubs, vegetation) from the inner surface of well, one coat of lime wash for inner and exposed outer surface of well, including refixing top grill of the open 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(Note : All T&P and other material included the quoted rate)

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 servicing and greasing of monoblock.centrifugal pump of capacity 5 HP to 10 HP and testing and including replace the bearing with new all as directed by Engineer in charge.

M&L for servicing and greasing of monoblock.centrifugal pump of capacity 15 HP to 20 HP and testing and including replace the bearing with new all as directed by Engineer in charge.

Taking down and Supply and fix in replacement of Impeller suitable for 5.0 to 10 HP pump set .

Taking down andSupply and fix in replacement of Impeller suitable for 15 to 20 HP pump set .

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

Taking down and Supply and fix in replacement of thrust bearing suitable for 15/20 HP pump set.

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

Taking down and 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 42 above but 4.0 sqmm for submersible pump set for 7.5 HP capacity.

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.

Taking down and Supply fixing in replacement Nylon rope 10 mm dia suitable for borewell application all as directed by Engineer in charge.

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. 46 above but of 25 mm bore.

All as per Serial Item No. 46 above but of 40 mm bore.

All as per Serial Item No. 46 above but of 50 mm bore.

All as per Serial Item No. 46 above but of 80 mm bore.

All as per Serial Item No. 46 above but of 100 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 and as directed.

All as per Serial Item No. 52 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. 54 above but of 50 mm bore.

All as per Serial Item No. 54 above but of 80 mm bore.

All as per Serial Item No. 54 above but of 100 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.

Disconnecting electrical connections of centrifugal pump/monoblock pump 15 HP and decoupling the pump and motor, removing from the installed position by putting dummy plate to suction and delivery pipe, transporting to work shop repair by lathe work for proper alignment of shafts,impellers, replace gland rope, rubber coupling and washer impellers nuts and bolts and re- assemble the motor & pump set and connecting electrical & pipe connections testing complete with one coat of primer & two coat of synthetic enamel paint after scraping the body surface of pump & motor with emery paper, writing letters, all as specified and directed.

All as per above item No 61 but capacity 7.5 HP

All as per above item No 61 but capacity 5 HP

All as per above item No 61 but capacity 3HP

M&L rewinding of centrifugal motor of any capacity 15 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.

All as per above item No 65 but capacity 7.5 HP

All as per above item No 65 but capacity 5 HP

All as per above item No 65 but capacity 3HP

M&L for servicing and greasing of centrfigual /monoblock pump of capacity 3.0 HP to 5.0 HP and testing and including replace the bearing, gland rope, rubber coupling and nut bolts with new all as directed by Engineer in charge. The cost of Replacement of minor Parts i.e. nuts/bolts,connectors etc are deemed to be included in this item.

All as per above item No 69 but capacity 7.5 HP

All as per above item No 69 but capacity 10 HP

All as per above item No 69 but capacity 15 HP

S&F in replacement of Direct-On-Line starter in sheet metal enclosure Type MK suitable for motor rating upto 7.5HP, 415V, 50Hz relay range 13-20 A complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of fully automatic star delta starter in sheet metal enclosure Type MK 1F suitable for motor rating upto 15HP, 415V, 50Hz relay range 13-20A complete all as specified and directed by Engineer-in-Charge.

Taking down cast iron 150mm water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead.

M&L for Cast iron 150mm size pipes with flanged ends,centrifugally cast,class A, in any length laid in trenches.

M&L for replacement of gunmetal globe/gate valve with iron wheel head, screwed both ends of 50 mm sizes ISI marked and including taking down complete all as specified and as directed by Engineer-in-Charge.

All as per item no 77 here in before but 40 mm size

All as per item no 77 here in before but 25 mm size

All as per item no 77 here in before but 20 mm size

M&L for removing old paint and apply one coat of primer & two coat of synthetic enamel paint over suction and discharge GI pipe line 40, 50 to 80mm dia including writing letters/marking arrow at water supply installation as specified supply Installation as specified and as directed by Engineer-in-Charge. Note : Tint of paint shall be as directed by AGE(I).

S&F chloroscope test kit with sheet metal enclosure box suitable for testing residual chlorine range ppm 0.1PPM to 2 PPM at water supply installation including taking down unserviceable chloroscope complete all as specified and as directed by Engineer-in-Charge.

S&F LED type Aviation Obstruction light Aluminium body ,Red colour with Flashing operation controller fixed from top of the 20 mtrs stage OHT with suitable fixiing materials including taking down old fittings complete all as specified and directed by Engineer-in-Charge.

S&F CI foot valve conforming to IS-4038 complete of size 50mm (2'') dia all as specified.

S&F CI foot valve conforming to IS-4038 complete of size 80mm (3'') dia all as specified.

S&F CI foot valve conforming to IS-4038 complete of size 100mm (4'') dia all as specified.

Takig down old unserviceable sluice valve of any type and Supply and Fix sluice valve PN 1.6 flanged end 80mm dia bore with iron wheel head and stainless steel spindle including necessary bolts, nuts, washers and gasket.

Takig down old unserviceable sluice valve of any type and Supply and Fix sluice valve PN 1.6 flanged end 100 mm dia bore with iron wheel head and stainless steel spindle including necessary bolts, nuts, washers and gasket.

Takig down old unserviceable sluice valve of any type and Supply and Fix sluice valve PN 1.6 flanged end 150 mm dia bore with iron wheel head and stainless steel spindle including necessary bolts, nuts, washers and gasket.

Supply only Calsium Hypochlorite Bleaching powder ISI Marked, suitable for drinking water disinfectant in seeled pack not less than 25kg Bag, 65-75% chlorine cocentration complete all as specified and directed.

M & L for testing of water sample for Physical, Chemical and Biological peramaters for Raw water/ Treated water from NABL approvd laboratories as per IS-10500 ; 2012 all as specified and as directed. Note : Contractor is responsible for comunicating with lab, collecting & submitting the sample to the Lab from specified locations and submiting the lab reports in Triplecate to the deportment and quoted rate is deemed to be included all charges/ lab feese and no extra payment will be made on this account.

Ashwarya Enterprises (BID ID -3189843)

rc enterprises (BID ID -3185297)