REPAIRS REPLACEMENT AND MAINTENANCE OF PUMP MOTORS SUBMERSIBLE PUMP MOTORS PIPELINE OF GI CI DI MS AT INHS ASVINI COLABA MUMBAI

Dismantling ,transporting to civil workshop centrifugal pump coupled with electric motor, Split opening of following capacities pumpset including cleaning with kerosene/petrol for removing dirt supply and replacement of small parts like impeller nut ,lock,washer, packing,gasket greasing oiling and reassembling, connecting in position testing, commissioning the pumpset complete all as directed.(Major Part will be Measured and paid in relevant Items of this schedule)

30/40 HP pump set (Make: Kirloskar Model-DSM 100-36)

15/20/25 HP pump set

Taking down carefully electric motor 3-phase 415v,50Hz,AC from foundation/ coupling, transporting to civil workshop, opening the motor,Checking the insulation value of the windings, insulating the winding with same class of insulation varnish,Oiling Greassing of bearing and busing , painting with one coat of synthetic enamel paint as per color code and back to site for re-installing the motor and connecting to the pump, testing the motor for satisfactory performance all as directed by Engineer -in-Charge and all as specified for the following capacity. (Major Part will be Measured and paid in relevant Items of this schedule)

30/40 HP pump set (Make: Kirloskar Model-DSM 100-36)

15/20/25 HP pump set

Supply and fix in replacement of the following bearings required as directed

Ball bearing suitable for 30/40 HP motor

Ball bearing suitable for 15/20/25 HP motor

Supply and fix in repair terminal block for the following capacities.

30/40 HP pump set (Make: Kirloskar Model-DSM 100-36)

15/20/25 HP pump set

Supply and fix replace bush for pump suitable for the following capacity of pumps

30/40 HP pump set (Make: Kirloskar Model-DSM 100-36)

15/20/25 HP pump set

Taking out submersible vertical type pumps with motor of capacity 3HP and repairs to both pump and electric motor by replacing damaged / worn out impeller, guide rings, water seal, presure plate, bushes etc complete and rewinding electric motor with existing gauge super enamelled copper wire after replacing, insulation packings etc complete, re-assembling and lowering back in well and making all electric connection complete all as specified.

S & F rotational moulded polyethylene water storage tank 5000 Ltrs capacity (cylinderical vertical with closed top) min three layer with and including rotating (threaded) type tank cover including all connections for inlet, outlet, overflow and washout pipes etc. hoisted and fixed in position on terrace of upto G+8 building including disconnecting and taking down existing tank all as specified in SSR Part - I complete all as specified.

Ditto al as per item no 7 above but of capacity 2000 Ltrs.

Ditto al as per item no 7 above but of capacity 1000 Ltrs.

M&L for PCC type C1- 1:3:6 using 20 mm graded aggregate for foundation as reqd and directed by Engr-in-Charge.

M&L for replacement of pressure gauge 150 mm 0-100 PSI, dial type fixed on pumping line in various pumps all as specified.

M&L for repalcement of existing air release valve 15mm dia made out of brass suitable for pumpset all as specification & directed.

Taking down existing indication lamp from panel and S&F LED indicatiion lamp for R, Y & B phase all as specified & directed.

Supply and replacement of CI foot valve flanged type of 100 dia suction line by means disconnection by opening of nut bolts etc and taking out from under ground Sump including nut bolts etc

Supply and replacement of CI foot valve flanged type of 150 dia suction line by means disconnection by opening of nut bolts etc and taking out from under ground Sump including nut bolts etc

M&L for painting of centrifugal pump & motor after scraping of old paint :-

30 HP cap.

15 HP Cap

Supply and fix in repair Star Delta startar for 30 HP motor, 3 phase, 415 volts & 50 Hz all as directed.

Supply and fix in repair contactor 415 volts 63 amps for 30/40 HP motor.

Supply only starting relay for 30 HP motor.

S&F in repair Ammeter, square type,0-100 amps.

Ditto all as per item no 20.00 above but 0-60 amps.

S&Fin repair volt meter,square type ,0-500 volts. .

Supply & Fixing gland packing of size 10 mm to 16 mm.

M & L for attending the emergent repairs to leakage/ damage GI pipe of size 40 mm dia and 50 mm dia including carrying out minor repairs etc as required to Make- the system in order / functional and necessary excavation ,returning , filling of soils and removal of water by using pump, cutting out GI pipe at both ends and jointing with new fittings, accessories such as union, sockets, Tee, Tee reducer etc complete all as specified and as directed by Engr-in-charge.

M & L for attending the emergent repairs to leakage/ damage GI pipe of size 80 to 200 mm dia including carrying out minor repairs etc as required to Make- the system in order / functional and necessary excavation ,returning , filling of soils and removal of water by using pump, cutting out GI pipe at both ends and jointing with new fittings, accessories such as union, sockets, Tee, Tee reducer etc complete all as specified and as directed by Engr-in-charge.

Repair of water level indicator manual type for under ground sump at Main Pump House showing level of water replace with rope, indicator symbol, hanging weight and paint on indicator level with marker and numbering (1 to 10 feet) smoothly function complete all as specified and directed.

Excavation in trenches in any type of soil not exceeding 1.5 mtr wide and not exc.1.5 mtr in depth for taking/laying of CI/GI pipe and getting out including forming bottom surface etc in loose/soft soil complete all as specified and directed.

Returning filling in trenches including spreading leveling watering and well ramming in layers not. Exc. 25cm thick any type of soil after the pipe laid all as directed.

Removing of excavated soil outside MD land and depositing where directed complete all as specified and directed.

Supply and laying in replacement of spigot and socket ductile iron water tubing,class K-9, of size 100mm, cement mortar lining on inner surface and one coat of bituminous paint over exposed surface ISI marked, IS No. 8329: 2000, including rubber joint of suitable size laid on roof/floor/trenches with proper alignment as per site requirement and carryout testing against leakage before filling the trenches etc complete all as specified and directed.

do all as per item No 30 abovebut 150 mm bore

Supply/ Fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings such as nipple, union, socket, elbow, bends,laid in trenches of size 80 mm bore

do all as per item No 32 above but of 50 mm bore

do all as per item No 32 above but of 40 mm bore

do all as per item No 32 above but of 25 mm bore

all as per item No 36 above but of 50 mm bore

all as per item No 36 above but of 40 mm bore

all as per item No 36 above but of 25 mm bore

all as per item No 36 above but of 20 mm bore

Cutting of existing rising main and connecting 300 mm pipe line, by inserting CI tee, CI bends and sluice valve etc. (Note: Jointing, fittings & earth work will be measured and paid separately)

all as per item No 41 above but 200 mm bore

all as per item No 41 above but 150 mm bore

Supply and fixing in repair CI/DI fitting flanged, spigot and socketed such as bend, tee , tail piece, reducer of size upto 300 mm complete all as specified and directed.

S & F in repairs Gun metal gate valve with iron wheel head, ( ISI marked) screwed both ends for iron pipe of 80 mm dia complete all as specified.

Ditto- as per item No 45 above but 40 mm bore

Ditto- as per item No 45 above but 25 mm bore

Ditto- as per item No 45 above but 20 mm bore

S & F in replairs 40 mm bore ball valves, high pressure PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe or brass ferrule and fixed

Ditto- as per item No 49 above but 25mm bore

Ditto- as per item No 49 above but 20mm bore

Ditto- as per item No 49 above but 15mm bore

Supply and fixing in replacement, CI sluice valve class PN-1.6 type ISI marked with iron wheel head brass spindle. Confirming to IS - 14846 flanged ends including rubber joints and jointing material all as required at site including any addition alteration for fixing at site including dismantling old unservicable CI sluice valve complete all as directe.

100 mm bore

150 mm bore

200 mm bore

M&L Pit masonery for valves and meters constructed complete with MS sheet cover and locking arrangement including brick wall, plaster (internal /external ) in cement motor (1:4) two coats of white washing to exposed surface painting to MS sheet cover with enameled (black/green) paint over a coat of red oxide of 750 mm x 750 mm x 750 mm sizes

M&L for cutting existing bituminus road surface not more than 150mm thick removing the debris off the premises for laying of pipes/cable, making the disturbed surfaces with PCC 1:3:6 type C-1 (using 20mm graded aggregate) to match with the adjustant surface. Note :- Excavation and earth work beyond 150mm thick will be measured and paid under relevant items.

Supply and fixing in repair GI Nozzle pump for fountain No 1, 2 & 3 complete all specified and directed by Engr-in-Charge.

S&F in repairs mild steel chequered plate Fe-410-W (gde-E-250), 7mm thick square cut or notched , forming holes without any attachment as duct covering size and length as approved incl primer painting all as directed by Engineer-in-Charge.

Taking down old unserviceable brass float valve and S &F of float valve of size 50 mm with complete accessories complete all as specified and as directed please.

Spray painting of external & internal surface of panel board by disconnecting or taking shut down of supply and after scrapping the existing old painting with emmery paper, applying two coat of synthetic enamel paint grey colour over a coat of red oxide including denting/welding of body as required all as specified and directed by Engr-in-Charge.

(i) Cleaning inside the panel and all incoming and out going feeder i.e includinging MCCB/SFU/Changeover switches/Contactors thorouly with help of Vaccum Cleaner.(ii) Checking the loose connections of incoming and out going feeders and rectifify the same with help of new GI nut bolts and washers (iii) Replacing the burnt out color coated PVC Sleeve of main and fedders bus bar with appropriated size of new PVC heat shrinkable sleeves -01 job (iv) Replacing Burnt out Voltmeters/Ammeters/Indicating Lamps/HRC Fuses-01 Job. Note : New items will be measured and paid separately. (v) Replacing burnt out control wiring of Ammeter/Voltmeter.Indicating lamps and CT'switch 2.5/1.5 Sqmm copper single core, 1100V grade copper conductor cable -01 Job (vi) Replacing Burnt out Bus bar of incoming and out going conductor feededs with appropriated size of new bus bar (Copper/Aluminium) -01 Job (note : Bus Bar will measured and paid separately). (vi) Replacing Burnt out Insulators of incoming and outg oing feeders with appropriated size of new Insulators -01 Job (Note : Insulators will measured and paid separately) (vii) Spary Painting of Panel Board with one coat of synethetic enamel paint.

Taking down old unserviceable NRV and supply and fix NRV of size 80mm PN 1.6, hydro dynamically guided, closing non return valve with grey cast iron body,synthetic rubber coated reinforced ball,flanged type including 6mm thick rubber gasket, MS nuts, bolts and washers complete all as specified and as directed .