REPAIR AND MAINT OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AND CONNECTED WORKS AT DOMESTIC AREA ZONE I TO ZONE VIII SWS AND ETF COMPLEX AT TRBL TBRL RANGE RAMGARH

Amount

Disconnecting the 3 phase electric motor from the centrifugal pump set, taking down from the foundation , dismantling the motor, cutting out old burnt out windings, cleaning the slots of the stator and rewinding 7.5 HP to 15 HP 3 phase electric motor with super enameled copper conductor of suitable gauge including all insulating materials , sleeves , cotton tapes etc and incl varnishing ,drying etc and refitting the motor at original position , making all electrical connections. Dismantalling the pump, check the alignment, impelers and bearing etc. Overhauling the pump by greasing, oiling complete. Testing for proper working complete all as specified and as directed. Note:- Copper winding wire and bearing of suitable size etc. shall be measured and paid separately under respctive Items.

Disconnecting the 3 phase electric motor from the centrifugal pump set, taking down from the foundation , dismantling the motor, cutting out old burnt out windings, cleaning the slots of the stator and rewinding 16 HP to 50 HP 3 phase electric motor with super enameled copper conductor of suitable gauge including all insulating materials , sleeves , cotton tapes etc and incl varnishing ,drying etc and refitting the motor at original position , making all electrical connections. Dismantalling the pump, check the alignment, impelers and bearing etc. Overhauling the pump by greasing, oiling complete. Testing for proper working complete all as specified and as directed. Note:- Copper winding wire and bearing of suitable size etc. shall be measured and paid separately under respctive Items.

Disconnecting the electric supply and outlet connections and taking out and lowering the submersible pump set of any capacity and size alongwith 80/100 mm dia column pipes and submersible cable etc from the tubewell using proper T&P and keeping aside complete.

Material and labour for repair to Submersible pump set motor of capacity 7.5 to 40 HP by dismantling of submersible motor 3 phase, 440 Volts cutting and removing the burnt winding wire, cleaning of slots and rewinding with super quality PVC insulated water proof copper conductor winding wire and machining as per original dia complete and replacement of thrust plate, thrust bearing, rotor straightenting, sealing kit, balancing of rotor.and reassembling complete all as specified and as directed (Thrust plate, thrust bearing, rotor straightenting, sealing kit, balancing of rotor and reassembling shall be unit rate deemed to include cost of the same by the contractor). Note:- PVC insulated water proof copper conductor Winding shall be measured and paid separately under Item Ser No. 6.00 below.

Supply only super enamelled copper winding wire complete all as specified and directed by the Engr in Charge.

Supply only PVC insulated water proof copper conductor winding wire complete all as specified and directed by the Engr in Charge.

Supply and replacing of ball bearing No 6206/6208/6306/ 6307 complete all as spcified and as directed.

Supply and replacing of ball bearing No 6308/6309/6310 complete all as spcified and as directed.

Repairing the pumpset panel boards of different capacities and lacation by cleaning all parts and by supply and replacing the following parts complete all as specified and as directed :- Ammeter 0-50 Amp, CT type size 96 sq mm square.

Voltmeter 0 - 500 Volt, size 96 sq mm.

Indicator lamps 230 Volt.

Supply and replacement of MCCB 100 Amp rating, 3 pole, 415 volts, breaking capacity 25 KA complete all as specified and as directed.

Supply and replacement of MCCB 100 Amp rating, 3 pole, 415 volts, breaking capacity 16 KA complete all as specified and as directed.

Supply and replacement of MCCB 200 Amp rating, 4 pole, 415 volts, breaking capacity 35 KA complete all as specified and as directed.

Supply anf fix cast iron sluice valve of size 150mm dia flanged and drilled with stainless steel spindle, iron wheel ISI marked with nuts, bolts & washers and gasket heavy duty PN 1.6 of following sizes tested with high pressure conforming to IS - 14846.

All as per serial item No 13.00 but 100mm dia.

All as per serial item No 13.00 but 80mm dia.

Material and labour for replacement of unserviceable submersible cable 3 core 1100 Volt flat stranded copper conductor of size 06 Sqmm.

Material and labour for replacement of unserviceable submersible cable 3 core 1100 Volt flat stranded copper conductor of size 10 Sqmm.

Material and labour for replacement of unserviceable submersible cable 3 core 1100 Volt flat stranded copper conductor of size 16 Sqmm.

Material and labour of fabrication of column pipe 3mtr long made out of 50 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes,cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets,bolts,nuts and washers etc. complete all as specified and as directed.

Material and labour of fabrication of column pipe 3mtr long made out of 80 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes,cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets,bolts,nuts and washers etc.complete all as specified and as directed.

Material and labour of fabrication of columan pipe 3mtr long made out of 100 mm dia medium grade GI pipe including cutting and welding MS flanges heavy duty 02 Nos drilling holes,cutting slots for cables and lowering of column pipes in bore wells including providing new rubber gaskets,bolts,nuts and washers etc.complete all as specified and as directed.

Supply and instalation in replacement monoblock type water pumping set and discharge size 25mm and discharge pressure of 2600/600 LPH at 6/30 Mtr head self priming type 0.5HP capacity single phase 220volts complete

Material and labour cleaning of RCC under ground water sump of capacity 35000 Glns in technical area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in technical area complete all as specified and as directed. Note:- The cleaning of RCC under ground water tank will be carried out in every six months.

Material and labour cleaning of RCC over head water tank of capacity 50000 Glns at 25 Mtr high staging in domestic area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in domestic area complete all as specified and as directed. Note:- The cleaning of RCC over head water tank will be carried out in every six months.

Material and labour cleaning of RCC over head water tank of capacity 50000 Glns at 25 Mtr high staging in technical area by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces with bleaching powder and taking out the same manually from the compartments and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank in technical area complete all as specified and as directed. Note:- The cleaning of RCC over head water tank will be carried out in every six months.

All as per item No 23.00 above but cleaning of steel over head water tank of capacity 10000 Glns at 40 feet high staging except one coat of white wash on internal surfaces in technical area complete all as specified and as directed. Note:- The cleaning of steel over head water tank will be carried out in every six months.

Material and labour cleaning of static water tank of capacity 10000 Glns at various locations by removal of sludge, scrapping silt mud and foreign material etc with wire brushes on the walls and floor of tank and washing and flushing the surfaces and taking out the same manually from the tank and removing the same to a distance not exc 50m and depositing where directed by Engineer -In - Charge and applying two coats of white wash (Internally ) to the tank, writing date of cleaning with white paint on black patch 45cm X45cm on external surface of tank complete all as specified and as directed.

Material and labour Stripping out of submersible pump set 7.5 to 15 HP capacity and repairing the same by supply and replacing the following spare parts complete all as specified and as directed :- Sleeve Coupling.

GM bush.

Non return valve.

Impeller key.

CI stage bowl.

Bearing Sleave.

Impeller.

Shaft.

SS coupling.

GM neck ring.

Suction strainer.

Suction casing.

Material and labour Stripping out of submersible pump set 25 to 40 HP capacity and repairing the same by supply and replacing the following spare parts complete all as specified and as directed :- Sleeve Coupling.

GM bush.

Non return valve.

Impeller key.

CI stage bowl.

Bearing Sleave.

Impeller.

Shaft.

SS coupling.

GM neck ring.

Suction strainer.

Suction casing.

Supply and fixing Cast iron foot valves lift flanged type as per IS 4038 suitable for 100mm dia.

Supply and fixing Cast iron foot valves lift flanged type as per IS 4038 suitable for 80mm dia.

Taking down old unserviceable protection relays of any type and size alongwith all accessories complete all as specified and as directe.

Electronic Over Current Relay Mode No BOCR 3 E Z of BCH covering the following protections of the motor. (i) Over Current (ii). Under Current (iii). Phase Loss (iv). Phase Unbalance (v) Phase Reversal (vi). Locked Rotor (vii) Ground Fault

Supply and fixing Flexible PVC conduit 25 mm ISI marked with clamp for drawing the relay cable complete all as specified and as directed.

Supply and fix single core PVC insulated unsheathed (FR) cable with stranded copper conductor of size 16 Sqmm for connections including taking down the old unserviceable cables complete all as specified and as directed.

Material and labour PVC insulated single core copper conductor cable of size 4 Sqmm 1100 volts grade complete all as specified and as directed.

Material and labour for preperation of old painted surfaces of any discription, one coat of priming with red oxide lead, one coat of synthic enamel paint on steel / iron surfaces complete all as specified and as directed for the following :- GI / CI pipes .

Valve Pit covers sheet any size

Sluice Valve any size

Material and labour for preparation of old painted surfaces of any discription, one coat of priming with red oxide zinc chrome lead & two coat of sythic enamel paint Post office Red colour on steel/iron surface complete all as specified and as directed.

Material and labour for preperation of old painted surfaces of description boards for motor pumpsets/DG sets/borewells including one coat of priming with red oxide zinc chrome lead & two coat of blue enamel paint and writing with white enamel paint , of any size complete all as specified and as directed.

Material and labour for painting to the fire hydrant cabinet of over all dimensions 0.60 x 0.45 x 1.0 Mtr on all the surfaces with two coats of post office red enemmeled paint over a coat of red oxide primer after prepairing the surface properly for repainting by scratching all rust and dirt all as directed.

Material and labour for replacement of cast iron 80mm dia non return sluice valve with flanged ends and jointing materials such as nuts, bolts, washers heavy duty PN-1.6 of following size.

Bore of pipe 100mm.

Bore of pipe 150mm.

Material and labour for replacement of cast iron 80 mm dia Air rlease valve with flanged end and jointing materials such as nuts,bolts,washers etc of following sizes

100 mm dia

150 mm dia

Demolition of brick work or stone/ boulder masonry built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specfiied and as directed.

Material and labour for brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6.

Material and labour for cement concrete (1:2:4), type B-1, using 20mm graded mechanically crushed stone aggregate as in coping, bed block benching, kerbs, mud stop, rounded or chamferred on edges including necessary form work/moulds complete all as specified and as directed.

Material and labour for 10mm thick rendering on fair faces of brick wall or concrete surface in cement mortar 1:6, finished even and fair without using extra cement complete all as specified.

Material and labour for plain cement concrete 1:3:6 type C-2 as in foundation etc. complete all as directed.

Material and labour in replacement of mild steel sheet cover 3mm thick duly painted with two coats of black bitumnous paint over a coat of red oxide primer complete all as specified & directed.

Material and labour in replacement of mild steel angle iron frame of valve pit of size as directed duly painted with two coats of black bitumnous paint over a coat of red oxide primer complete all as directed.

Material and labour for framed work such as grills, grattings, etc with ends of bars shouldered and /or rivited, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railing frame work of water tanks and similar work conforming to Fe 290 Gde-E-165 complete all as specified & directed.

Material and labour for cast iron fittings for CI pipes such as bends, Tapers any type ,tee pieces single branch, "Y" junction,double branch, cross,collars, caps and plugs,tail pieces etc of any type and upto 150mm bore complete all as specified & directed.

Supply and replacing MS bend 80 mm dia 45 cm long dully bended and welded to required shape complete with flanged ends incl jointing materials such as nuts,bolts,washers and gaskets etc complete all as directed.

Excavation in trenches n exc 1.5 m wide and n exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft and loose soil complete all as specified.

Returning, filling in including spreading, levelling, watering and well ramming in layers n exc 25 cm each layer, in soft and loose soil complete all as specified.

Removing excavated spoil to a distance n exc 50 m and deposited where directed at a level n exc 1.5 m above the starting point complete all as specified.

Taking up cast iron water mains ( including all fittings ) with spigot and socket ends and lead joints including burning out joints and recovering lead including cleaning of pipes all as directed, for following size of pipes:- Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm.Note: Old retrieved lead shall be considered as sch of credit.

Relaying of serviceable water pipe retrieved from Serial item No. 54.00 above, after removal of scaling , cleaning and flushing etc all as directed for following sizes:- Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm. Note: (Lead joint will be measured and paid separately )

Material and labour in replacement cast iron pipes with spigot and socket ends centrifugally cast, confirming to IS, class LA, in any length, laid in trenches of following size. Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm. Note: Lead joint will be measured and paid separately

Material and labour for run lead joint of following size:-Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm.

Supply & fixing gun metal gate valve with iron wheel head screwed both ends for iron pipe of size 15 mm dia.

All as above but size 20 mm dia.

All as above but size 25 mm dia.

All as above but size 40 mm dia.

All as above but size 50 mm dia.

All as above but size 80 mm dia.

Material and labour for cutting cast iron pipes in position for insertion of tee,collar,etc of following size. Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm.

Material and labour for recasting of leaking lead joints at various places scatered over the area complete incl earth work, bailing out leaking water to facilitate joint casting,providing new spun yarn and lead required for recasting the joint complete all as specified and directed for the following sizes (Note : Old retrieved lead shall also be used on the same joint addn Qty required to cast the joint shall be supplied by the contractor and unit rate quoted shall be deemed to include this aspect) :- 80 mm dia

100 mm dia

150 mm dia

Supply and replacing rotational moulded polythelene water storage tank 500 ltr capacity double layered cyliderical vertical with closed top ISI marked hoisted and fixed in position as specified in SSR part-I complete including tank nipples of 20/25 mm dia for making inlet and outlet connections all as directed.

All as above but capacity 1000 ltr.

Supplying, installing, testing, commissioning cosmic star-Delux automatic Star Delta Submersible pump Starter, suitabel for relay range 30 to 40 Amp (Upto 20 HP submersible pump set) , complete all as specified and directed, Cat PArt No. IHDASAU5*A,

Supplying, installing, testing, commissioning cosmic star-Delux automatic Star Delta Submersible pump Starter, suitabel for relay range 37 to 50 Amp (Upto 35 HP submersible pump set) , complete all as specified and directed, Cat Part No. IHDASAV5*E

Supplying, installing, testing, commissioning cosmic star-Delux automatic Star Delta Submersible pump Starter, suitabel for relay range 37 to 50 Amp (Upto 40 HP submersible pump set) , complete all as specified and directed, Cat Part No. IHDASAV5*A

Material and labour for hose box made out of 18 gauge MS sheet 800mm x 600mm x 250mm with doubble door with 4mm thick glass and door frame made of 16 gauge MS sheet painted fire red out side and brilliant white inside yard all as directed.

Supply and replacing Hydrant valve 63 mm single headed complete all as directed.

Supply and fixing canvas hose pipe 63mm dia 15mtr long hose confirming to IS-636 with male and female coupling confirming to IS-903 complete all as specified and as directed.

Material and labour for development of tubewell with compressed air and after with 25% extra capacity pump by pumping muddy water.

Supply & fixing single phase preventor suitable for 3- phase 415 volt electric motor having following safety parameter:- Single Phasing Phase reverse protection Over & under voltage protection.

Repair to dry type motor starter suitable for 75 HP by replacing the following:-

Power contactor 4 pole 415 volt

Overload relay

Electronic timer switch.

Repair to dry type motor starter suitable for 50 HP by replacing the following:-

Power contactor 4 pole 415 volt.

Overload relay

Electronic timer switch.

Repair to dry type motor starter suitable for 15 HP by replacing the following parts:-

Power contactor 4 pole 415 volt.

Overload relay

Electronic timer switch.

Dismantling of the sluice valve repacking stuffing box by cutting nuts and bolts for repairs , replacement of steel spindle, check nuts including machining work, replacement of nuts , bolts and washers etc.of following size. Bore of pipe 80mm.

Bore of pipe 100mm.

Bore of pipe 150mm.

Cutting and taking up or down steel tubing and connections , including cleaning for refixing or removal to store of following size. Bore of pipe 15mm.

Bore of pipe 20mm.

Bore of pipe 25mm.

Bore of pipe 40mm.

Bore of pipe 50mm.

Bore of pipe 80mm.

Supply and fixing galvanised tube medium grade, with all fitting and fixed complete to walls and ceilings or laid in treanches/floors of following size. Bore of pipe 15mm.

Bore of pipe 20mm.

Bore of pipe 25mm.

Bore of pipe 40mm.

Bore of pipe 50mm.

Bore of pipe 80mm.

Taking down old one and supply and fix new portable fire fithting extinguisher cylinder with dry powder mono ammonium phosphate 4 Mtr for 5 Kg jet length ISI Marked with hydraulic test pressure of 30 Kg f/Cm square with ABC test complete all as specified and as directed.

Supply and fixing of On-load type changeover switch I-O-II type 63 Amp, 4 pole, 415 volt open execution type complete all as specified.

Supply and fix of On-load type changeover switch I-O-II type 100 Amp, 4 pole, 415 volt open execution type complete all as specified.

Supply and fixing Battery 12V, 180 AH with 25 Nos Electro plates including battery lead positive & negative battery terminal complete duly charged.

Supply and fixing in replacement 15 mm bib tabs standard PTMT any colour high pressure screwed for iron pipe minimum weight 15 mm - 90 Grams fix complete.

Material and labour for display board for electric shock treatment chart of size 850x600 mm made out of CRCA sheet 2 mm thick with square pipe 35x35 mm foxed around sheet by welding and making hanging arrangement on top the board. Board shall be painted with two coats of stove enamelled paint (Navy Blue) paint over a coat of red oxide primer and writing the detail with florescent reflective tape (As per sample) by digital computerised printing style complete all as perspecified and directed.

Supply and fixing of Non skid type rubber mat of size 1x2 Mtr and 2.5 mm thick as per IS : 15652 - 2006.

Supply only sodium hypochloride (NaoCl) chemical solution grade-I (in 35 Ltr PVC container) conforming to IS 11673:1992 as amended having chlorine contents at the rate of 6% by weight all as specified and directed. Note:- Supply of chemical shall be as monthely consumption (i.e. 780 Ltr/ month).

Supply only bleaching powder ISI marked grade-II and confirming to IS 1065 of 1989 all as specified and directed. Note:- Suppy of chemical shall be as monthely consumption (i.e. 300 Kg/ month).

Supply only Lead wool superior quality

Supply only Pig lead superior quality

Supply only Spun yarn superior quality

Supply and fixing in replacement Chemical dozing pump 03 phase high pressure with PTFE diaphragm, SS pump head, aluminium enclosure, spring return mechanisum double check valve. Complete all as specified and directed.

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 35 sqmm, 3.5 core.

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 50 sqmm, 3.5 core.

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 70 sqmm, 3.5 core.

Nuts , bolts, washers and other such material required at site and directed by Engr in Charge.

Material and labour pressure gauge as per existing

Material & labour to collect water sample from the various Tubewell of TBRL Range Ramgarh in container,sending it to govt approved NABL lab, to carry out potability test from approved lab all as specified and directed by Engineer-In- Charge. Note: - Test Report from approved NABL lab shall be submitted by the contractor for record.

Earthing complete all shown as electrical plate No -05 of MES Sch part -I as specified and as directed including the following. (i) Galvanised steel earth plate of size 60x60cmx6mm thick burried directly in ground vertically to a depth not laess than 2.25 mtr below ground level with top edge of earth plate at a depth not less than 1.50 metres below ground level. (ii) Earth plate surrounded by and packed with charcoal and common salt in alternative layers ( n.exc 15 cms each layer). (iii) 32x6mm G I strip from earth plate to test point including necessary GI bolts, nuts check , washers, thimbles etc. (iv) 20mm bore, medium grade, GI pipe for watering including GI funnel and wire mesh. Pipe shall be provided vertically upto top level of earth pit and then taken horizontaly to the earth pit. (v) 40 mm dia bore G. I. light grade pipe for protection of GI strip. (vi) Cement concrete chamber of PCC (1:3:6) type C-2 using 40mm graded crushed stone aggregate. The chamber shall be constructed one metre away from edge of earth pit. (vii) 50mm thick precast cover of cement concrete(1:2:4) type B-1 using 20mm graded crushed stone aggregate and MS angle iron 50x50x6mm frame including two coats of synthetic enamel painting over a coat of red oxide to exposed steel surfaces with suitable handle to lift the cover. (viii) Excavation in soft/loose soil, returning filling & removal of surplus soil to a distance of 50m as directed.Note :- GI strip 32x6mm beyond 7.5 mtr shall be measured and paid separately under relevant items of Sch 'A'

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