REPAIR MAINT OF WATER SUPPLY INSTALLATION OF DI CI GI PIPE LINES VALVES SUBMERSIBLE PUMP UG SUMPS AND CONNECTED WORKS AT AF STATION DADRI

Amount

Excavation in trenches not exc 1.5m wide and not exc 1.5M depth for laying of GI/CI pipe lines etc getting out including forming bottom surface to required level and gradient in Soft Loose soil complete all as specified and directed by Engineer-in-Charge.

Returning and filling in excavated soil including spreading leveling, watering, well ramming in layers not exc 25 Cm thick complete all as specified and directed by Engineer-in-Charge.

Removing of surplus excavated soil to a distance not exceeding 50 Mtr from starting point and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and directed by Engineer-in-Charge.

Supply and lay steel water tubing GI medium grade ISI marked with all fittings laid in trenches or fixed to wall etc complete for 20 mm dia bore sizes all as specified and directed by Engineer-in-Charge.:-

All as above item No 4 but 25mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 4 but 50mm dia bore complete all as specified and directed by Engineer-in-Charge.

Supply and fix connected Gun metal gate valve ISI marked with iron wheel head screwed both ends for iron pipes and fixed for the following sizes including taking down of unserviceable gate valves:- 20 mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 7 but 25mm dia bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 7 but 50mm dia bore complete all as specified and directed by Engineer-in-Charge.

Taking out/burning out of leaking and damaged lead joints of the existing CI mains from the position including removing the old lead carefully with out damaging to the pipe complete for the following bore of pipes complete all as specified and directed by Engineer-in-Charge. (Note :- Excavation and earth work will be measured and paid separately ):- 80 mm bore

All as above item No 10 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 10 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

M&L for DI Pipe fitting (Tee,bends any type,radius and angle) tapers any type ( straight,bend,increasing, decreasing or double sockets etc.) junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs of all size dia DI pipe complete all as specified and directed by Engineer-in-Charge.

M & L for replacement of Submersible cable flat PVC insulated Sheathed copper Conductor 10 sqmm 3 Core complete all as specified and directed by Engineer-in-Charge.

M&L for Cutting the CI pipes and reducing the required length before laying for inserting of new CI specials such as Tees/Reducers/Tail pieces/collers/sluice valve/Air release valve etc complete for the following :- (Note :- CI specials and earth work will be measured and paid seperately) 80 mm dia complete all as specified and directed by Engineer-in-Charge.

All as above item No 15 but 100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as above item No 15 but 150 mm dia complete all as specified and directed by Engineer-in-Charge.

Material and labour for run lead joints including jointing materials such as spun yarn etc complete for the sizes 80 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 18 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 18 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

Material and labour for joints for 80 mm bore with fibre board or rubber gasket including jointing materials such bolts, nuts washers and white lead or mineral oil etc complete all as specified and directed by Engr-in-Charge

All as above item No 21 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 21 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

Material and labour for CI specials such as bends, tees, collars, tail pieces flanges etc complete suitable for CI mains of sizes upto 150mm complete all as specified and directed by Engr in Charge.

Repairs to sluice valves for 80 mm bore such as replacement of unsv/warnout gland on stuffing box, rubber gasket of suitable size, filling or grinding to gate, cleaning inside gate valve properly and remove sand and other waste materials, replacement of warned out nut/bolts with washers, CI gland cover with nut bolts including testing of leakage complete all as specified and directed by Engr-in-Charge

All as above item No 25 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 25 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

Disconnection and removing the unsv/broken spindle from the sluice valve after opening the nut and bolts and replace the same with new spindle made with brass of same size and length and turns including with necessary fixing arrangements, testing and commissioning complete for 80 mm bore sizes complete all as specified and directed by Engr-in-Charge

All as above item No 28 but 100 mm bore complete all as specified and directed by Engineer-in-Charge.

All as above item No 28 but 150 mm bore complete all as specified and directed by Engineer-in-Charge.

M & L for valve chamber cover made out of mild steel plain sheet 3.15mm thick as in cover for existing valve chamber along with provision of angle iron frame of size 40 x 40 x 6mm cut to length, bent to shape, welding and fabricate to requiredd shape/ size incl necessary fixing materials like hinges, nut/ bolts etc with two coats of black paint, one under coat of red oxide incl taking out the old unsv valve chamber cover complete all as specified and directed by Engineer-in-Charge.

M&L for Preparation of surface and painting to sluice valves of any size incl hand wheel in position complete with black synthetic enamel paint one coat complete all as specified and directed by Engineer-in-Charge.

S&F cast iron sluice valve with flanged ends, confirming to IS-780 type PN-1.6 cast iron body with CI wheel brass spindle, joints with rubber gaskets including bolts nuts and washers complete with ISI mark size 150 mm CI line in position, complete all as specified and directed by Engineer-in-Charge.

All as above item No 33 but 100 mm dia complete all as specified and directed by Engineer-in-Charge.

All as above item No 33 but 80 mm dia complete all as specified and directed by Engineer-in-Charge.

Supply only calcium based Granular for Chlorination of water packed in 45 Kg drums and sealed complete all as specified and directed by Engineer-in-Charge.

Material and labour for draining out sedimentation sludgy water from RCC OH reservoir 50000 Glns capacity at 60' feet staging incl scrapping out sticken forieign material from inner side of OH by wire brush and removing excavated sedimentatation manually and depositing 50 mtr away from OH tank and flushing out the floor with fresh water till satisfaction of Engineer in Charge with providing two coats of white wash on old prepared surface and inside cleaning of after completely draining out water from the tank.Writing of cleaning date on the tank quaterly complete all as specified and directed by Engineer-in-Charge.

Material and labour for draining out sedimentation sludgy water from Semi UG Sump incl scrapping out sticken forieign material from Semi UG sump walls/Ceiling by wire brush and removing excavated sedimentatation manually and flushing out the floor with fresh water till satisfaction of Engineer in Charge with providing two coats of white wash on old prepared surface and inside cleaning of after completely draining out water from the tank.Writing of cleaning date on the tank quaterly complete all as specified and directed by Engineer-in-Charge.

S&F High pressure single head chemical dosing system having power input 230V, 50 Hz, 40 SPM, 1/30 fractional horse power, pressure 5kg/Sqcm, Max ouput 6.5 Ltr/hr accessories like lead tubing, connecting ferrule, check valve etc complete all as specified and directed by Engineer-in-Charge. .

S&F Water level Indicator for over head tank, water level display wired sensor security system with alaram system having power input 230V, 50 Hz, including electrical cable complete all as specified and directed by Engineer-in-Charge.

Material and labour for painting of Surfaces plain or moulded, n exc 10cm width or girth when unconnected with other painting or when painted in a different tint CI pipes up to 150 mm dia & its accessories in installation/over head tanks complete all as specified and directed by Engineer -in Charge.

Material and labour for Distempering walls with distemper dry, white or tinted with distemper oilemulsion complete all as specified and directed by Engineer -in Charge.

Material and labour for Distempering walls with distemper dry, white or tinted with cement paint complete all as specified and directed by Engineer-in-Charge.

M & L for Dismantling and strip opening of burnt Booster pump motor of capacity upto 12.5 HP including cuttting removing burnt winding wire from stator assembly and preparing slots , rewinding the same with super enamled water proof copper winding wire of suitable gauge with necessary insulation materials varnising etc and reassembling stator rotor assembly with pump testing, commmisioning complete all as specified and directed by Engineer in Charge

Matrial & labour for Glazed ceramic tiles in vertical surface 350x 250x 7 mm/ 450X 350X 7mm thick set and jointed in neat cement slurry and pointed in white or colour cement to match complete all as specified and directed by Engineer -in Charge.

Matrial & labour for Non - skid Ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and directed by Engineer -in Charge.

Material and labour for lifting /Lowering of Submersible Pump Set of any capacity for repair/ Overhauling /rewinding etc with man power/Chain Pulley arrangement including shifting to local workshop for repair and to bring back after repair at site including testing for smooth functioning of complete all as specified and directed by Engineer in Charge.

M & L for Dismantling and strip opening of burnt submersible pump of capacity 10 HP to 15 HP including cuttting removing burnt winding wire from stator assembly and preparing slots , rewinding the same with super enamled water proof copper winding wire of suitable gauge with necessary insulation materials varnising etc and reassembling stator rotor assembly with pump testing for smooth functioning of rated dilivery with Bearing Bush gun metal -04 Nos (ii) Rotor Sleeve stainless steel -01 Nos (iii) Water seal -02 Nos (iv) housing CI -02 Nos(v) Thrust bearing block -02 Nos (vi) Thrust Plate- 02 Nos parts complete all as specified and directed by Engineer in Charge

Supply and fixing of in replacement of DOL starter 5 HP 3 phase 415 volts for submersible pumps all as specified and directed by Engineer-in-charge.

S&F submersible pump controller fully automatic star delta starter with sheet metal enclosure Type suitable for motor rating 15 HP 415 V 3 Ph relay range 28 -42 Amps complete all as specified and direted by Engr-in- charge.

Supply and fixing of in replacement of cosmic star delta motor starter 12.5 HP 3 phase 415 volts for Booster pumps all as specified and directed by Engineer-in-charge.

M&L for replacement of unservicable CI non return valve type IS 5312 flanged ends 100 mm dia complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of unservicable CI non return valve type IS 5312 flanged ends 150 mm dia complete all as specified and directed by Engineer-in-Charge.

M&L for chemical and bacteriological analysis of Raw water collected from all the pump house situated in AF stn Dadri complete all as specified and directed by Engineer-in-charge.

M&L for chemical and bacteriological analysis of chlorinated water collected from distribution line PH NO 1 situated in AF stn Dadri complete all as specified and directed by Engineer-in-charge.

GAR CONSTRUCTIONS

M/s Navansh Engineers & Consultants

M/S Ashoka Engineers and contractors

PRASAD ELECTRICALS

Singh Associates

Akhil Enterprises

Sumit Enterprises

Simran construction Company

imran construction company