REPAIR/ REPLACEMENT OF UNDERGROUND PIPE LINES, CENTRIFUGAL PUMP SETS AND VARIOUS ASSETS INSTALLED AT WATER SUPPLY INSTALLATIONS AF STN CHANDINAGAR UNDER AOR OF GE (AF) FARIDABAD

Excavation in trenches not exc 1.5m width and not exc 1.5 m in depth and getting out for laying of pipes etc in soft/loose soil complete all as specified and directed.

Returning filling in including spreading levelling watering and ramming in layers not exceeding 25 cm in any type of soil complete all as specified and directed.

Removing excavated surplus soil to a distance not exceeding 50M where directed and at a level not exceeding 1.5 M above the starting point complete all as specified and directed.

M & L for taking up cast iron (CI) / DI /GI water mains (including all fittings), with spigot and socket ends and lead joints of any size all as specified and dirercted by Engr-in-Charge of following sezes :-.

All as per item No 04 above 100 mm bore.

All as per item No 04 above 150 mm bore.

Supply and lay DI pipe centrifugally cast of class K-7 with spigot and socket ends/flanged end suitable for tyton joints/flanged joints including rubber gasket/rubber ring and other accessories like nut-bolts etc for the following sizes.

All as per item No 07 above 100 mm bore.

All as per item No 07 above 150 mm bore.

Material and labour for fixing DI specials such as bends(any type, radius and angle),tappers any type, (straight, bend, increasing, decreasing or double socket etc) tee pieces single branch, 'Y' junction, double branch, cross (all sockets or socket and spigot) collars, caps & plugs of sizes :-

All as per item No 10 above Upto 150 mm bore .

Supply and Fixing for ductile iron sluice valve PN-1.6 incl new rubber gasket, nuts and bolts brass spindle etc and dismentling of existing unserviceable one of folowing sizes:-

All as per item No 12 above 80 mm bore.

All as per item No 12 above 100 mm bore.

All as per item No 12 above 150 mm bore.

Material and labour for repairing the leakage of lead joints for CI/DI pipe incl bailing out the line water after burning out the existing lead from joints and using extra lead and spun yarn as required and directed for the following sizes:- Note :- Rate of Excavation and earth work returning filling and removing shall be deemed to be included in the rate quoted by contractor.

All as per item No 16 above 80 mm bore.

All as per item No 16 above 100 mm bore.

All as per item No 16 above 150 mm bore.

All as per item No 16 above 200 mm bore.

Taking up or down steel tubing/HDPE pipes alongwith fittings such as tee, bends etc and connections incl removal from site of the following sizes:-

All as per item No 21 above 15mm bore.

All as per item No 21 above 20mm bore.

All as per item No 21 above 25mm bore.

All as per item No 21 above 40mm bore

All as per item No 21 above 50mm bore.

All as per item No 21 above 80mm bore.

All as per item No 28 above15mm bore.

All as per item No 28 above 20mm bore.

All as per item No 28 above 25mm bore.

All as per item No 28 above 50mm bore.

Supply and fixing of galvanised iron pipe medium grade (ISI marked) with and including medium grade (ISI Marked) fittings laid in trenches jointed and tested complete all as specified and directed for the following bores;-

All as per item No 33 above 15mm bore.

All as per item No 33 above 20mm bore.

All as per item No 33 above 25mm bore.

All as per item No 33 above 40mm bore

All as per item No 33 above 50mm bore.

All as per item No 33 above 80mm bore

Supply and fix gun metal gate valve with iron wheel head screwed both ends for iron pipe and fixed of following sizes incl taking down and removal from site:-

All as per item No 40 above 15 mm dia

All as per item No 40 above 20 mm dia

All as per item No 40 above 25 mm dia.

All as per item No 40 above 50 mm dia

Material and labour for clamp made of MS flat of size 50x6 mm with nuts & bolts for connection from existing 50-200 mm bore CI/GI pipe line by providing 15 to 50mm bore socket complete incl welding, nuts bolts, rubber sheet etc complete all as specified and directed.

Material and labour for laying of pipe of size 15 to 200 mm bore under road crossing by trenchless technology by aguring or mechnical means in any type of soil complete all as specified and directed.

M & L for road cutting and repairing the same with road patch material width upto 75 cm complete all as specified and directed. Note: Road repair work shall be completed the same day of work execution in all aspect, failing which a panelty of Rs 100 per meter for per hour delay will be imposed and deducted from RAR/Final Bill.

M&L for electrical disconnetion of submersible pump for taking out existing column pipe of size 32 to 80 mm along with pump set 1to 15 HP from borewell with essential tools like tripod, chain, pully, etc and manpower & replacement of unserviceable parts of column pipe, motor, pump etc as per requirement, spare parts and column pipe shall be measured and paid seperately, lowering of submersible pumping set with column pipe complete and testing after completion of work complete all as specified and directed. Note: (i) Repair of pump and motor will be paid and measured seperately under respective items. ii) Minor items such as rubber packing, gaskets, grease etc deemed to be included.

M&L for repair of submersible pump set, strip opening multi stage submersible pumpset of capacity 5 to 15HP. Replacement of unsv parts & reassembling the same, testing after completion of job & spare parts shall be measured & paid seperately here-in-after. complete all as directed by Engr-in-Charge.

(a) Thrust bearing

(b) Bowl set

(c) impellor driving rod (shaft) complete

(d) Impellor

(e ) Bush

(f) MS Coupling

Material and labour for rewinding of submersible electric motors transporting from site to repair shop and repair shop to site, dismantling, stripping out and removing old burnt winding wire, cleaning of slots etc. Rewinding complete with PVC submersible copper winding wire of appropriate gauge including all necessary insulation material as per requirment. Re-installing in position, assembling at site, realigning with pump set, coupling with pump, making electric connection all as direcred and testing for smooth functioning for following capacity :- (a) 15 HP three phase.

Supply and fixing in replacement of impellor C.I. with all acessories for centrifugal pumping set capacity of 10 to 15 HP pumping set complete all as specified and directed.

Supply and fixing in replacement of impeller Wearing Ring C .I. as per existing of capacity of 10 to 15 HP pumping set complete all as specified and directed.

Supply and fixing in replacement of shaft Sleeve/Bush C.I. as per existing of capacity of 10 to 15 HP pumping set complete all as specified and directed.

Supply and Fixing in Replacement of NDE/DE pump bearing as per existing size, type, of capicity 10 to 15 HP complete all as specified and directed.

Supply and fixing in replacement of Gland plate CI capacity of 10 to 15 HP pumping set complete all as specified and directed.

Replacement of mechnical seal for capacity 10 to 15 HP complete all as specified and directed.

M&L for straightening of Pump shaft including filling,welding,cutting of existing size and leath work for pump as per existing size, type, make & model.capacity of 10 to 15 HP pumping set complete all as specified and directed.

M&L for Replacement of CI impellor with all acessories for pumping set upto the capacity of 5 to 7.5 HP pumping set complete all as specified and directed.

M&L for Replacement of NDE/DEbearing as per existing size, type, make & model.of capicity 5 to 7.5 HP HP complete all as specified and directed.

Supply and fixing in replacement of Gland plate CI capacity of 5 to 7.5 HP pumping set complete all as specified and directed.

M&L for Replacement of mechnical seal for capacity 5 to 7.5 HP complete all as specified and directed.

M&L for straightening of Pump shaft including filling,welding,cutting of existing size and leath work for pump as per existing size, type, make & model.capacity of 5 to 7.5 HP pumping set complete all as specified and directed.

M&L for strip opening of electric motor after electrically disconnecting 5 to 10 HP pump for rewinding / replacement of unsv parts & reassembling the same & testing on load at existing place in presence of Engr-in-Charge. transporting from wk place to wksp & wksp to wk place shall be deemed to be included, all other spare parts / rewinding wk, material shall be measured and paid seperately here-in-after. All as directed by Engr-in-Charge.

Rewinding of motor of capacity 5 to 10HP with superenamelled pre-insulationed copper winding wire of existing size of copper wire with insulated paper / bamboo chips, empire tape / glass tape etc & tesing after completion of job complete all as specified and directed.

Replacement of NDE/DE bearing of motor as per existing size, type, make & model. of Capicity 5 to 10 HP HP complete all as specified and directed.

Replacement of NDE/DE bearing of motor as per existing size, type, make & model. of Capicity 5 to 10 HP complete all as specified and directed.

Supply only Calcium hypochlorite free flowing and free from lumps and without substance beyond acceptable limit as given in IS 10500 (2012) in treated and disinfected water packed in 20-25 kg/ 40-45 kg drums to avoid hazard in place of high ambient temperature with following parameters : (a) Available Chlorine : Min 65% residual chlorine (b) Max Stability (loss of chloride on basis of available chloride): 1/15 (c) Min Particle Size (passing through 1.70 mm IS Seive) : 99.5% by mass (d) Max water insoluble Matter: 6% (e) Max Calcium Hydroxide : 4% (f) Max Sodium Chloride :15%

Supply only trichloro acetic acid TCCA-90% in granular from in drum of 50 kg, complete all as specified and directed.

M&L for draining out sedimentation sludgy water from RCC OH reservoir 50000 Glns capacity -02 nos at 60' feet staging and Semi UG Sump incl scrapping out sticken forieign material from inner side of OH and Semi UG sump walls/Ceiling 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 providing two coats of white wash on old prepared surface cleaning of after completely draining out water from the tank.Writing of cleaning date on the tank complete all as specified and directed by Engineer-in-Charge. Note : The cost of the same shall be deemed included in the respective items. All T&P required for the cleaning of tanks / sumps will be arranged by the contractor.

S&F, in replacement of fully automatic star delta submersible starter with short circuit protection in sheet metal enclousers suitable for 15 HP , 415 Volt 50 Hz with over load protector and phase preventer and taking out old U/S starters of any type and any capacity complete all as specified and directed.

Supply only chlorine test kit with PH colured sample complete with all testing fitment and OT solution in rexine box all as specified and directed..

M&L for chemical and bacteriological analysis of Raw water collected from all the pump house situated in AF Stn GRTC complete all as specified and directed.

M&L for chemical and bacteriological analysis ofchlorinated water collected from distribution line PH NO 1 situated in AF Stn GRTC complete all as specified and directed.

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