REPAIR/REPLACEMENT AND MAINTENANCE OF CI/DI PIPE LINES, CHLORINE DOZING PUMP, SUBMERSIBLE PUMP AND CONNECTED WORK AT HASIMARA AND COOCHBEHAR UNDER GE (S) BINNAGURI

Amount

Excavation in trenches n exc 1.5 mtr wide and n.exc 1.5 mtr deep for pipe line in any type of soil, getting out and leveling of bottom surface to required level all asspecified and directed.

Returning filling in , including spreading, leveling, watering and well ramming in layers not exc 25cm thick all asspecified and directed.

Removing excavated material from site to a distance not exc 50 mtr away and depositing where directed not exc 1.5 mtr from the starting point all as specified and directed.

Taking up old cast iron water mains 150mm bore (dia) with all fittings with spigot and socket ends and lead joints inclunding burning out joints etc complete all as specified and as directed by Engr-in-charge.

Taking up old cast iron water mains 100mm bore (dia) with all fittings with spigot and socket ends and lead joints inclunding burning out joints etc complete all as specified and as directed by Engr-in-charge.

Taking up old cast iron water mains 80mm bore (dia) with all fittings with spigot and socket ends and lead joints inclunding burning out joints etc complete all as specified and as directed by Engr-in-charge.

S&F for Ductile Iron pipes 150mm bore with spigot and socket ends ,Rubber gas kit as per IS- 8329,internal lining with cement mortor class K-7 in any length laid in trenches including all necessary fittings such as bend, reducer,tee socket etc all as specified and directed by Engr-in-charge

S&F for Ductile Iron pipes 100mm bore with spigot and socket ends ,Rubber gas kit as per IS- 8329,internal lining with cement mortor class K-7 in any length laid in trenches including all necessary fittings such as bend, reducer,tee socket etc all as specified and directed by Engr-in-charge

S&F for Ductile Iron pipes 80mm bore with spigot and socket ends ,Rubber gas kit as per IS- 8329,internal lining with cement mortor class K-7 in any length laid in trenches including all necessary fittings such as bend, reducer,tee socket etc all as specified and directed by Engr-in-charge

Refixing old cast iron/ ductile iron water mains obtained from dismantling 150mm bore (dia) with all fittings with spigot and socket ends complete all as specified and as directed by Engr-in-charge.

Refixing old cast iron/ ductile iron water mains obtained from dismantling 100mm bore (dia) with all fittings with spigot and socket ends complete all as specified and as directed by Engr-in-charge.

Refixing old cast iron/ ductile iron water mains obtained from dismantling 80mm bore (dia) with all fittings with spigot and socket ends complete all as specified and as directed by Engr-in-charge.

M/L for fittings for straight, bend,increasing,decreasing or double socket etc) Tee pieces single branches Y junction,double branhes cross (all sockets or socket and spigot) collars, caps and plugs all as specified and directed by Engr-in-charge

M&L run Lead Joint in Cast Iron Pipes 150mm bore (dia) in Position including recovering old Lead, complete all as specified and as directed by Engr-in charge.

M&L run Lead Joint in Cast Iron Pipes 100mm bore (dia) in Position including recovering old Lead, complete all as specified and as directed by Engr-in charge.

M&L run Lead Joint in Cast Iron Pipes 80mm bore (dia) in Position including recovering old Lead, complete all as specified and as directed by Engr-in charge.

M&L for flnged Joint in Cast Iron Pipes 150mm bore (dia) with 3mm thick rubber gasket nut bolts in any Position complete all as specified and as directed by Engr-in charge.

M&L for flnged Joint in Cast Iron Pipes 100mm bore (dia) with 3mm thick rubber gasket nut bolts in any Position complete all as specified and as directed by Engr-in charge.

M&L for flnged Joint in Cast Iron Pipes 80mm bore (dia) with 3mm thick rubber gasket nut bolts in any Position complete all as specified and as directed by Engr-in charge.

Taking up or down 50 mm dia bore steel tubing in trench/ wall with connection including cleaning for removal all as specified and directed for the following sizes :-

Taking up or down40 mm dia bore steel tubing in trench/ wall with connection including cleaning for removal all as specified and directed for the following sizes :-

Taking up or down 25 mm dia bore steel tubing in trench/ wall with connection including cleaning for removal all as specified and directed for the following sizes :-

Taking up or down 20 mm dia bore steel tubing in trench/ wall with connection including cleaning for removal all as specified and directed for the following sizes :-

Taking up or down 15 mm dia bore steel tubing in trench/ wall with connection including cleaning for removal all as specified and directed for the following sizes :-

M/L GI tubing 50 mm dia bore medium grade with all fittings laid in trenches/wall for bore of pipe of following sizes completed all as specified and directed.

M/L GI tubing 40 mm dia bore medium grade with all fittings laid in trenches/wall for bore of pipe of following sizes completed all as specified and directed.

M/L GI tubing 25 mm dia bore medium grade with all fittings laid in trenches/wall for bore of pipe of following sizes completed all as specified and directed.

M/L GI tubing 20 mm dia bore medium grade with all fittings laid in trenches/wall for bore of pipe of following sizes completed all as specified and directed.

M/L GI tubing 15 mm dia bore medium grade with all fittings laid in trenches/wall for bore of pipe of following sizes completed all as specified and directed.

Relaying/refixing only jointing and testing of old GI pipe 50 mm dia bore including cleaning completedly as directed by Engr-in- Charge

Relaying/refixing only jointing and testing of old GI pipe40 mm dia bore including cleaning completedly as directed by Engr-in- Charge

Relaying/refixing only jointing and testing of old GI pipe25 mm dia bore including cleaning completedly as directed by Engr-in- Charge

Relaying/refixing only jointing and testing of old GI pipe 20 mm dia bore including cleaning completedly as directed by Engr-in- Charge

Relaying/refixing only jointing and testing of old GI pipe 15 mm dia bore including cleaning completedly as directed by Engr-in- Charge

M/L for Gun metal Gate valve 50 mm dia bore with iron wheel head screwed both sides of following sizes completed all as specified and directed.

M/L for Gun metal Gate valve 40 mm dia bore with iron wheel head screwed both sides of following sizes completed all as specified and directed.

M/L for Gun metal Gate valve 25 mm dia bore with iron wheel head screwed both sides of following sizes completed all as specified and directed.

M/L for Gun metal Gate valve25 mm dia bore with iron wheel head screwed both sides of following sizes completed all as specified and directed.

M/L for Gun metal Gate valve 15 mm dia bore with iron wheel head screwed both sides of following sizes completed all as specified and directed.

Supply and fix CI sluice valve 150mm dia Cast iron PN-1.6 flanged end conforming to IS -780/84 with CI wheel, brass spindle, chuck nuts, rubber gasket, bolts (full threded), nuts & washers including joints complete all as specified and directed including dismantling and taking down of old unserviceable CI Sluice valve from existing position. (Make : Hazara/Upadhyay) :-

Supply and fix CI sluice valve 100mm dia Cast iron PN-1.6 flanged end conforming to IS -780/84 with CI wheel, brass spindle, chuck nuts, rubber gasket, bolts (full threded), nuts & washers including joints complete all as specified and directed including dismantling and taking down of old unserviceable CI Sluice valve from existing position. (Make : Hazara/Upadhyay) :-

Supply and fix CI sluice valve 80 mm dia Cast iron PN-1.6 flanged end conforming to IS -780/84 with CI wheel, brass spindle, chuck nuts, rubber gasket, bolts (full threded), nuts & washers including joints complete all as specified and directed including dismantling and taking down of old unserviceable CI Sluice valve from existing position. (Make : Hazara/Upadhyay) :-

Supply and fix in repair lever operated butterfly valve 150mm dia with complete accessories such as rubber gasket, bolts (full threded), nuts & washers including joints complete all as specified and directed. (Make : Hazara/Upadhyay) :-

Supply and fix in repair lever operated butterfly valve 100mm dia with complete accessories such as rubber gasket, bolts (full threded), nuts & washers including joints complete all as specified and directed. (Make : Hazara/Upadhyay) :-

Supply and fix valve ( NRV ) reflux flanged end of size 150 mm dia incl making necessary joints dismantalling and taking out old u/s NRV complete all as specified and directed

S&F in repair Ball brass valves 25mm dia high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed nuts & washers including joints complete all as specified and directed.

S&F in repair Ball brass valves 20mm dia high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed nuts & washers including joints complete all as specified and directed.

S&F cast iron bib tap screwed for iron pipe of 20 mm dia incl taking out old unserviceable one complete all as directed (Make : Zoloto, Scud, RMCO, Prayag or Equivalent)

S&F cast iron bib tap screwed for iron pipe of 15 mm dia incl taking out old unserviceable one complete all as directed (Make : Zoloto, Scud, RMCO, Prayag or Equivalent)

M&L for cutting the bushes, grass, thorney bushes, small plants/trees up to a height of 5 mtr in and around different E/M installations/ pump houses/RCC Tank incl surface dressing and removing the waste material to a distance not exceeding 50 mtr from the starting point all as directed by Engineer-in-Charge.

Dismantling existing unserviceable valve pits and construction of new brick masonry valve pits of size 1200x1200x1200mm (internal dimension) with brick work in cement mortar (1:4) 40mmx40mm x6 mm angle iron frame ,MS handle 300mm long, bent to shape and riveted to MS sheet including excavation and earth work, concrete work 3.15 mm thick MS sheet cover with locking arrangement hinges and handle rendering work, painting to all steel surfaces with two coats red oxide primer complete and all as directed.

All as per item No 51 above but of size 900x900x900mm (internal dimension)

All as per item No 51 here-in-before but of size 600x600x600mm (internal dimension)

Cleaning of over head reservoir/under ground sump all as specified here in after and as directed of capacity 50000 Glns :- (a) removing mud,silt,sand etc from inside tank(depth exc 1.50 m) and depositing to a distance exc 50M but n.exc 100M away from tank,diging a pit of suitable size and depositing in the pit including spreading soil/return filling not les than 15 cm over deposited material. (b) removing moulds,moss,foreign materials from inside tank(depth exc 1.50 m) and depositing to a distance exc 50M but n.exc 100M away from tank,diging a pit of suitable size and depositing in the pit including spreading soil/return filling not les than 15 cm over deposited material. (c) spreading bleaching powder @ 1.50 Kg/sqm over the pits dug and filled for (a) and (b) above, (d)cleaning the internal surfaces of tank and washing with clean water and applying one coat of lime wash inside tank, (e) applying two coats of Black Bituminous Paint(non toxic and non-desolving in water complied for drinking purpose) over a coat of primer to the steel surfaces (both internal and external) of the tank. (f) writting the followings with 50mm size letters to the external faces of water tank using Synthetic enamel paint of approved colour over Black painted surface of size 60cm x 40cm :- CLEANED ON :- dd/mm/yyyy CAPACITY :- xxxxxxx GALLONS STAGGING :- xxxxxx Mtrs (g) applying two coats of Synthetic enamel paint/Black Bituminous Paint over a coat of primer to all exposed steel surfaces such as stair case railings,inlet,outlet and overflow pipes of tank,exposed nuts,bolts etc.

Supply and fix in replacement white suction / discharge tubing 3/8" complete all as specified.

Supply and fix in replacement decrine dosing pump high pressure single head gear motorised adjustable dosing pump with high pressure 0 to 100 PSI,power 230 V 50 HZ RPM 44,output 2 U S GPD to U S GPD with accessories including lead tubing connecting nuts injection check valve clay weight and ferrules.Model: 96NGQ51

Repair / rectification to leakage of GI pipe line 15 to 25 mm dia including necessary earth work and fixing in repairs of GI fittings such as elbow, socket, union , Tee etc all as per site requirement short noticed as fixed complete all as specified and as directed. Note :- Incase any complaint not rectified within 24 Hrs,penality should be specific (e.g Rs 50/ each complaint not rectified within 24 hrs and the decision of GE/ Engr-in-charge shall be final and binding on the contractor. The rates quoted in Sch ‘A’ in respective item shall be deemed to including these aspects and nothing extra shall be admissible.The complaint slips and register shall be provided by the contractor.

All as per item No 59 here-in-before but of GI pipe line 40 to 50mm .

Lifting of defective submersible pumping set/unserviceable cable of any make and capacity from bore well after providing lifting tools and tackles as required carefully, disconnecting all electric connections, water connection and dismantling column pipe lines shaft stage by stage and keep them under safe custody for reuse all complete and lowering the same after repairs / overhauling submersible pump/serviceable cable of any make and capacity inside bore wells after coupling with pump and motor connecting column pipe line shaft stage by stage carefully with help of lifting tools and tackles carefully re-connecting all electric/water lines and testing on load upto the satisfactions of Engineer-in-charge complete all as specified and as directed. Notes:- The rates for lifting and lowering of repaired pumping set shall deemed to include the cost following :- (i) Replacement of rusted/ unsv bolts, nuts and washers (ii) Replacement of rubber packaging of flanged joints (iii) Fixing of submersible cable of any size.(iv) Fixing charges for any clamps etc.

M&L for rewindidng of burnt submersible motor 15 to 30 HP, 3 phase 415 Volts 50 Hz of any Make with PVC insulated water proof copper conductor of the same specification as per old one after dismantling cutting out burnt winding from stator assembly, cleaning slots properly complete with insulating slots packing, sleeves, papers, reassembling stator and rotor after replacement of of worn out spares/matching works including painting with two coats of synthetic enamel paints over a coat of red oxide after preparation of motor external surface and water proof jointing for submersible cable 3 core all complete as specified and directed (Note : Supply of spare parts required for overhauling/servicing except winding wire and other as described on the item shall be measured and paid seperately.

Supply only following spare parts of submersible motor of capacity 15 to 30 HP :- (a) Thrust bearing plate for carbon TB assy

(b) Bearing bush rubber for motor shaft

(c) Motor shaft sleeves (Stainless steel)

(d) Thrust bearing assy carbon

(e) GM bush for motor shaft

(f) Motor Sand Guard

(g) Oil seal

(h) Motor bearing housing

(j) Copper end ring

(k) Motor coupling key

(l) Motor coupling

(m) Pad for thrust bearing made out of bronze

(n) Pad for thrust bearing made out of Carbon

(o) Stud nut stainless steel

(p) Sir clip

Remetaling, cutting , grinding & polishing of Rotor shaft of capacity 15 to 30 HP in the worn out portion including checking of electricity in the lathe machine all as directed by Engineer-in-charge

Dismantling submersible pump any make of capacity 600 LPM to 1100 LPM for overhauling/servicing cleaning thoroughly discharge/suction capes, impellers shaft and assembling pump carefuly after fixing of spare parts/machining works including applying two coats of synthetic enamel painting after preparation of surface complete including testing on load upto the entire satisfaction of the Engineer-in-Charge. (Note : Supply of spare parts required for overhauling/servicing in place of worn out parts shall be measured and paid separately).

Supply only following parts of submersible Pump of capacity 600-1100 LPM :- (a) Gun Metal bush for suction impeller

(b ) Gun Metal bush for discharge impeller

(c) Shaft sleeves Stainless steel

(d) Mild Steel stud for bowl assembly

(e ) Neck ring Gun Metal

(f) Gun Metal bush for stage carrier

(g) Gun Metal Impeller

(h) Key for impeller

(j) Suction case strainer

(k) Pump shaft stainless steel

(l) Sand Guard

(m) Stage casing

(n) Coupling with key for pump and motor

(o) MS socket heavy duty 8/11 TPI

Remetaling, cutting,grinding, polishing for worn out portion of submersible pump shaft (Pump capacity 600 to 1100 LPM) including fixing new Mild Steel key of suitable size and checking of balanced and properly aligned shaft at lathe Machine all complete as specified and as directed.

S&F Mild Steel Column pipe heavy duty (ERW) both end threaded with one socket /flange (with nut & bolt/gaskit) of wall thickness 5.04mm & length 3.00 mtr. 150mm bore conforming to IS-1239 (Part-I) 1979, and properly painted with one coat of black bituminous of surface internally and externally suitable for the drinking water including taking out of old unserviceable column pipe from position incl flange joint and fixing of flange complete all as specified and as directed by Engineer-in-charge (Make : JINDAL/TATA /PRAKASH)

Supply & fixing submersible cable flat PVC insulated & PVC sheathed 1100 volts grade with stranded copper conductor 3 core of size 6sqmm conforming to IS-694-1990 including taking out old UNSV cable from its position and complete as specified and directed.

All as per item 96 here-in-before but of size of cable 10 Sqmm 3 core.

Material & Labour for replacement of worn out MS Angle,sheet clamps nuts, bolts, washers etc of suitable length and size as per site requirement for flanged pipes and fitting of sizes complete all as directed by Engr-in-Charge.

S & F Fully Automatic Star- Delta Starter in sheet-steel enclosure motor rating ,415 V, 50Hz,3Ph of capacity 30 HP relay range 28-42 A Make -Havells HSN Code: 8536,Item code:IHHSSDXC BCH,L& T , or equivalent.

IRON REMOVAL PLANT Opening top cover of manhole and side hand hole of 10000 GPH capacity vertical type iron remova plant (pressure vessel) ,taking out filter media eg. sand, gravells (different sizes) including taking out carefully strainer (push/thread) from inside bed plate and disposal of unserviceable filter media(sand, gravel, strainer etc) within 100 m radius from the existing plant complete all as directed. (Location : PH-2, Khalsipatti PH & Gwallapatti PH )

Dismalting hand hole cover, pipe lines by taking out/cutting the old rusted MS bolt nuts and washers, neoprene rubber gasket etc of oxidation shell chamber, taking out manganese Dioxide (MNO2) and removing the same within 100m radius from the existing plant all as directed

Cleaning and scraping the inner periphery of IRP vessel by using wire brush and flushing with fresh water, drying and applying two coats of anticorrrosive bituminous paint over a coat of red oxide primer suitable for potable water all as directed.

Cleaning and scraping the outer surface of vessel of IRP and removing rust using wire brush, sand paper etc and painting with two coats of synthetic enamel paint over a coat of red oxide primer including writing type of installation & capcity by synthetic enamel paint of white colour and MES No in dark red colour synthetic enamel paint all as directed.

Supply and fix new polypropylene strainers double deck type for IRP vessel as per the existing specification.(Make- ION Exchanger/MEI)

Supply and filling new graded gravells of different size (gravel of sizes 15" x 1", pebbles of size 1"x1/2",core silex of size 1/2" x 1/4" , fine silex of size 1/4" x 1/8") inside the pressure filters at different location.

Cleaning, scrapping the inner periphery of oxidation chamber, flushing with fresh water drying and applying two coats of anti corrosive black bituminous paint over a coat of red oxide primer suitable for potable water, all as directed.

Cleaning, scraping old rusted external surfaces of oxidation chamber and painting with two coats of synthetic paint over a coat of red oxide primer, all as directed including writing type of installation in white synthetic enamel paint and MES No in dark red colour synthetic enamel paint.

Supply and filling MNO2 in the existing oxidation chamber complete all as specified and as directed [[1800kg/cum]]

Material & labour for nylon wire mesh including tightening by copper wire of required size inside IRP including taking out old damaged wire mesh

Supply & fixing in repair 1 Hp Heavy open well submersible pump. Copper winding,single phase 18 to 32 meter head range,flow rate 132 to 180 L.P.M Inlet/outlet

Dismalting of existing 100 mm bore MS/CI pipe and fitting by opening flange joint cleaning and removing silt, rust by using wire brush and flushing with clean water for both inside & out side of pipes and fittings, painting the outside surface of pipe & fittings with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and re-fixing in existing position.(Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate ) Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

M/S BIJAY KUMAR SHIVA

SHRI PARTHA DUTTA

BHARAT ELECTRIC

M/S ROY ENTERPRISE

M/S. JOGINDER KUMAR GOYAL

SHREE SHYAM TRADERS

M/S SARDAR MAL NAHATA