Mahanagar Telephone Nigam Limited Tender

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Mahanagar Telephone Nigam Limited - MTNL Tender

Works
Civil And Construction
Water Storage And Supply
Eprocure
Opening Date16 Oct 2024
Closing Date28 Oct 2024
Tender Amount₹ 26,53,100 
Notes
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Description

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BOQ Items

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Booster Pump:-SITC of 450 LPM/30M head single stage Monoblock type 7.5 HP Booster with CI Impellor including Base frame, Foundation bolts, Anti vibration rubber pads etc complete as required. Make: Kirloskar / Becon/ M& P/ or Equivalent

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Electric Control Panel:- SITC of main control panel for wet riser for 1 no Main Fire Pump , 1 no. Jockey Pump AND 1 No. Booster pump to be accommodated in cubical type floor mounting, dust & vermin proof doors fabricated from 16 SWG M.S.Sheet with enamel finish including one coat of primer approved shade and color, comprising of the following: 2 Nos. incomer main, MCCB of 250A both the incomers shall be electrically and mechanically interlocked. Bus bar chamber, fully taped aluminum bus bar suitable for above 250A capacity in separate bus bar chambers, complete in all respects.1 No. fully automatic star delta starter with push button and On/Off indicating lights for 55 KW/75HP motor, 1 No. fully automatic D.O.L starter with push button and On/Off indicating lights for 7.5 HP motor 1 No. fully automatic D.O.L starter with push button and On/Off indicating lights for 12.5 HP motor, 1 no isolation SFU of 200A, HRC fuses for main pump L& T FN-200 (for 100 HP), 3 nos Isolation TPN SFU of 32A suitable fuses for 7.5 HP Jockey pump & 12.5 HP Booster Pumps, 3 Nos Rotary switches for manual/ auto operation, 8 Nos indication lamp for manual/ auto operation

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Diesel Engine Control Panel:-Supplying installing and testing of Diesel Engine Control Panel fabricated room 16SWG M.S.sheet with suitable enamel paint comprising of the followings 1 No. 230/12V transformer, 1 no rectifier for battery charging system 4 nos 12v electronic relays, 1 no 12v electronic timer, 4 nos rotary switches for AC on, DC on, trickle/ boost charging auto manual selection 1 no 12V Hooter with toggle switch 2 no Tripping relay for LOP/HTT

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Above ground piping:-SITC of G.I.Pipe 'C' class with necessary fittings like Elbow, Tee, Reducer, Flange, Nipple, bend etc above ground of following sizes conforming to IS:1239 with one coat of red oxide primer and two coats of post office fire red enamel paint etc complete as required.

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a) 25 mm dia

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b) 50 mm dia

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c) 80 mm dia

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d) 100 mm dia

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e) 150 mm dia

100

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Underground Piping:- SITC of 'C' class ERW G.I pipes with necessary fittings like Elbow, Tee, Reducer, Flange, Nipple, bend etc as per IS:1239-1973 with one coat of hessian and two coats of anti corrosive primer ( Black Japan) to be laid at a depth of 1 mtr. Below ground from pump house to ring main, ring main of wet risers etc. complete as required. ( Excluding of Civil work)

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a) 150mm dia

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b) 80mm dia

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Foot Valve:- Supplying, installing and testing of C.I.Foot valve with strainer with nuts, bolts, gaskets, washers etc for positive suction etc. complete as required

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a) 150mm dia

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b) 80 mm dia

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Wafer type Check Valve (Non return valve) Dual Plate:- Supplying, Installing C.I Wafer type dual plate check valve/ NRV having S.S Hing & Stop Pin, design as per API 594 and comply with API 598 testing standard. With nut bolts, gaskets etc, complete as required.

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a) 150mm dia

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b) 80 mm dia

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c) 50 mm dia

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Wafer type Butterfly valve:- Supplying and installing cast iron wafer style butterfly valve confirming to IS 13095 ISI mark, having cast iron body lining black Nitrile/ Neoprene, disk of G.M/ IS 318, S.S.shaft IS 1570, with nut bolts, gaskets etc complete as required.

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a) 150mm dia

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b) 100mm dia

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c) 80 mm dia

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d) 50 mm dia

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Hydrant valves:- Supplying and installing 63 mm dia SS 304 Metal single outlet hydrant valves Morris pattern, oblique type confirming to IS:5290, II mark, with blank cap and chain etc complete as required.

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Air Cushion Tank ( Air Vessel):- Supplying and installing of 300mm dia x1.5 mt in height M.S Tank fabricated from M.S.black ERW pipe, confirming to IS:3589 having 6mm thickness dish end at both ends, duly welded with 300mm dia pipe to be installed inside pump house/at terrace along with MS angle tripod including applying one coat of red oxide primer and two coat of post office red enamel paint etc. complete as required.

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SITC of four way fire Brigade Connection:- Supplying,installing,Testing and commissioning of one set of Siamese 150mm diameter instantaneous four way fire brigade inlet connection conforming to relevant IS , amended up to date, consisting of 63mm stainless steel Quadra plate, male inlet coupling with plug, cap& chain,gaskets,nuts,bolts and washers etc. complete as required

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Hose pipes:- Providing and installing in position 15m long and 63mm dia non-percolating RRL Fire Hose (as per IS 636) along with SS couplings, in existing wall mounted metal box etc complete.

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First Aid Hose Reel Drum:- SITC of First-Aid-Fire Hose reel, wall mounted swinging type, complete with drum, bracket,25mm diameter MS Piping up to riser , 25 mm brass ball valve,20mm diameter 30 meter long high pressure Thermoplastic reel as per IS:12585 tubing (I.S.I.marked) with PVC jet and spray type shutoff nozzle with 5mm diameter orifice complete as required

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Pressure Switch:-Supplying,installing,Testing and commissioning of pressure switch for working pressure of 7 kg/cm2 with 12/15 mm dia GI Nipple etc. complete as required

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Pressure Gauge:-Supplying, installing pressure gauge of 100mm dia,0-21 kg/cm2, fitted with 12/15 mm dia pad cock valve etc. complete as required

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Orifice Plate:-Supply and erection 3mm thick brass Orifice plate having outer dia of 140 mm and inner dia suitable to reduce the pressure between 3.2 Kg/Sqcm to 5.5 kgs/cm2 at every double outlet hydrant valve, complete as required.

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M.S.Box/ Cabinets :-Supply and installation of M.S Cabinet with glass and locking arrangement , suitable for 2 lengths of RRL hose and 1 no of Branch pipe, 2 coats of primer paint as per seven tank process and powder coated finally in post office red etc. complete as required b) 750mmx600mmx250mm

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Branch Pipe Nozzle:-Supplying S.S Branch pipe of 63 mm dia fitted with 19mm dia detachable hexagonal nozzle conforming to IS:903 ISI marked etc. complete as required.

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Siamese Connection:- Supplying and installing Siamese connection of 100mm dia G.I. 'C' class pipe - 1Mtr long having consisting of 4 nos 63mm dia Aluminum male inlet for supplying water to wet riser system including applying one coat of red oxide primer and two coats of post office red enamel paint etc. complete as reqd.

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Electric Cables-Supply, laying, Testing and commission of 1.1 KV grade. ISI mark PVC insulated and PVC /XLPE sheathed aluminium/copper conductor, armoured cables conforming to IS 7098 laid on Cable Trenches/ Perforated.

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a) 3x35 sqmm copper for main pump

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b) 3x 4 sqmm copper for jockey pump and booster pump

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c) 2x1.5 sqmm copper for pressure switch/remote switch

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d) 10x1.5 sqmm copper for diesel engine

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Excavation & refilling of trenches for underground pipeline, removing extra earth etc complete as required ( Soft soil/ earth)

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Excavation & refilling of trenches for underground pipeline in RCC/ PCC/ Road/ Hard Morrow etc complete as required

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Supplying and fixing M.S.tray / supports to pipes / angle frame for the pump foundation support from MS angles/ flat, channel, fabrication of M.S. priming tank as per requirement including cutting, bending, welding, painting with two coat of red oxide and one coat of enameled paint, grouting, fastening with suitable size of anchor fasteners on wall/ ceiling etc complete as reqd.

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PCC Foundations:-Providing PCC foundation of 1:2:4 for fire pump sets etc as required. ( MS angle frame shall be paid separately in Kg)

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Providing & fixing 25mmx 5mm G.I Strip on surface or in recess for connection etc as required.

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Providing and fixing 6 SWG dis G.I. wire on surface or in recess for loop earthing as required.

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Providing and fixing G.I pipe 50mm dia class 'B'required for cable protection.

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End termination:-Supplying and making end termination with brass compression gland and crimping aluminium lugs for the following size of XLPE Aluminium conductor cable of 1.1kv grade as required.

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a) 3x35 sqmm copper for main pump

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b) 3x 4 sqmm copper for jockey pump and booster pump

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c) 2x1.5 sqmm copper for pressure switch

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d) 10x1.5 sqmm copper for diesel engine

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e)3.5x90 sqmm for imcommer for panel

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Drilling holes in RCC structrual members like slabs/ beams, walls etc by core drilling with mechnical diamond core cutter upto 200mm dia & depth upto 300 mm at all heights & depths including scaffldoing etc all as directed by Engg in charge.

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PVC Tank having capacity of 500 litre for Priming purpose

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Upgradation of existing riser including pressure testing repairing of hydrant valves and painting of existing internal old pipe lines and hose cabinet.

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Dismantling of existing 01 no. main electrical pump set , 01 no. diesel pump set from pump room , 01 no. Jockey pump, including disconnection etc. complete with all fire hydrant above ground piping and other components, shifting the dismantled materials to the location of the storeroom in the bldg.premises and handing over as required

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Dismantling ,removing and relaying of existing 150mm dia. hydrant Pipe with pressure testing etc. complete as required.

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Repairing and testing of existing sprinkler system at basement

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