REPAIR/ REPLACEMENT / MAINT OF CENTRIFUGAL PUMPS, SUBMERCIBLE PUMPS, STARTER PANEL, EXTNL WATER SUPPLY PIPELINE, VALVES, CHLORINE DOZING PUMPS, TREATMENT CHEMICALS AND ALLIED CONNECTED WORKS IN OTM AND MD AREA AT INS MANDOVI UNDER GE(P) NAVY MANDOVI

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; not exc 10 sq m on plan and getting out in soft disintegrated rock complete all specified and directed.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exc 25 cm in soft disintegrated rock complete all specified and directed.

Removing excavated surplus soil/ rock to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point complete all specified and directed.

Taking up or down GI/ CPVC/ CI tubing/ pipe and connections of following sizes, including making good distrubed surfaces and removal from site complete all specified and directed.

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

75/ 80 mm dia bore

100 mm dia bore

150 mm dia bore

Supplying and laying CPVC pipes, SDR 11 and plain CPVC SDR 11 fittings such as elbow, bend, socket, nipple, union and reducor socket etc, of following sizes, on walls/ ceiling or laying in floors complete all specified and directed.

20 mm outer dia

25 mm outer dia

40 mm outer dia

50 mm outer dia

Supplying and laying CPVC pipes, SDR 11 and plain CPVC SDR 11 fittings such as elbow, bend, socket, nipple, union and reducor socket etc, of following sizes, in trenches complete all specified and directed.

20 mm outer dia

25 mm outer dia

40 mm outer dia

50 mm outer dia

75 mm outer dia

M & L for cast iron pipes with spigot and socket ends of following sizes, vertically cast, class A, in any length, laid in trenches complete all specified and directed.

100 mm dia bore

150 mm dia bore

M & L for repairing of valve chamber of any size n.exc 1.5m lengh and n.exc 1.5m wide including plastering, applying of 2 coats of white wash and providing mild steel plain black sheet of 1mm thick and suitable size for chamber door including grill work with angle iron complete all as specified and directed.

M & L for cleaning & flushing RCC over head reservoir of capacity upto 75000 gallons at 60 feet staging, removing silt and sludge etc deposited inside the tank, cleaning entire internal surfaces of tank with bleaching powder including flushing with water, writing the capacity of tank and date of cleaning with black and white paint complete all as specified and directed.

M & L for cleaning RCC UG sump reservoir of capacity upto 1,00,000 gallons upto 15 feet below ground level, removing silt and sludge etc deposited inside the sump, cleaning entire internal surfaces of sump with bleaching powder including flushing with water, writing the capacity of sump and date of cleaning with black and white paint complete all as specified and directed.

M & L for repairing sluice valve of any size and make, in trenches and arresting leakages including greasing and changing wornout nut & bolts complete all as specified and directed.

S & F in repairs non return valve of 150mm dia bore, CI, class PN 1.0 complete all as specified and directed.

S & F in repairs chemical dozing pump, single phase 415 volts 50 Hz, including PVC pipe of suitable size and PVC double walled container of capacity 100 ltrs complete all as specified and directed. Make : M/s Satya Sai Aqua Pura Services/ Edoze / Declibac or any other equivalent make as per list of approed manufacturers.

Supply only calcium based high strength Chlorine granule (60% to 65%), suitable for water disnfection with and including plastic drum of 45 Kg complete all as specified and directed. Make - M/s Shree Rayal Seema Hi-strength Hypo Ltd (Puri Chlor) / M/s Bharati Waters Pvt Ltd/ Declibacor any other equivalent make as per list of approed manufacturers.

M & L for preparation including cleaning and brushing CI/ GI pipe surfaces and fittings of 40 mm to 150 mm dia, laid in open surface/ walls at pump houses and applying two coats of super enamelled black paint complete all as specified and directed.

Taking up centrifugal pump sets of following capacities installed at different locations/ installations, from its foundation, by disconnecting electrically and mechanically, transporting to a reputed workshop, dismantling, repairing/ removing of unserviceable parts and transporting back to installation complete all as specfied and directed.

10 to 7.5 HP Capacity

50 to 65 HP Capacity

M & L for rewinding electric motor of centrifugal pump sets of of following capacities, 3 phase 415 volts 50 Hz AC, with super enamelled copper winding wire of existing weight and size including cleaning of stator slot, winding, fixing the starter properly including varnshing and baking complete all as specified & directed.

10 to 7.5 HP Capacity

50 to 65 HP Capacity

M & L for repairing rotor assembly of 3 phase 415 volts 50 Hz AC centrifugal pump sets of 10 to 7.5 HP capacity including dismantling and reassembling at site complete all as specified and directed.

M & L for preparation of surfaces of centrifugal pump sets of following capacities and applying two coats of synthetic enamel paint including painting of SM No. and MES No. on the pump complete all as specified and directed.

50 to 65 HP Capacity

10 to 7.5 HP Capacity

M & L for repairing/ overhauling of centrifugal pump sets of 10 to 7.5 HP capacity including cleaning the insides of motor and pump sets, oiling, greasing, gland packing, filling and alligning properly including repair/ replacement of wear & tear of any unserviceable part complete all as specified and directed. Note: Spares required to make the pumpset serviceable shall be measured and paid under item No 21 here-in-after.

Supply only spares suitable for centrifugal pump sets of 10/7.5 HP capacity complete all as specified and directed.

Ball bearing for motor of existing size

Ball bearing for pumpset of existing size

Brass Impeller of existing size

Glands bush

Neck Ring

Coupling of existing size

Pump shaft including key

Rubber bush including nut, bolt and washer

M & L for taking out submersible pump sets of 5 to 15 HP capacity installed at different locations/ installations alongwith column pipe of 50/ 75mm bore and submersible cable from bore well of depth upto 30 Mtr to 90 Mtr, disconnecting, transporting to a reputed workshop for opening and replacing of unserviceable parts and transporting back to site complete all as specfied and directed. Note: (i). Spares required to make the pumpset serviceable shall be measured and paid under item No 23 here-in-after. (ii) Lowering and refixing shall be measured and paid under item No 26 here-in-after.

Supply only spares suitable for submersible pump sets of 5 to 15 HP capacity complete all as specified and directed.

Neck Ring

Bearing bush

Bearing sleeve

Impeller

Stage Casing

Suction Housing

Distance sleeve

Suction Housing Bush

Pump Coupling

Locking screw

Stainer

DOL bush

DOL Sleeve

Distance bush

Body Nut

Body stud

Pump Shaft

Pump Shaft Key

Intermediate piece

Intermediate sleeves

M & L for machining, grinding and balancing rotor of any capacity complete all as specified and directed.

M & L for machining and balancing impeller of any capacity complete all as specified and directed.

M & L for lowering submersible pumpsets of 5 to 15 HP capacity taken out under item No 22 and re-fixing at different locations including pump set fitting, commissioning and testing after replacement of u/s parts, with existing/ new coloumn pipe of 80/100mm bore as directed with cable including tightening of rope to the pump by suitable arrangment of chain pully system and connection with startor electrically and connection with pipe line including painting of pump and motor, writing of SM & MES No. on pump and motor complete all as specified and directed.

M & L for re-winding of 3 phase 415 volt 50 Hz AC submersible motor of 5 to 15 HP capacity including cleaning of stator and rotor and fitting properly complete all as specified and directed. Note: Spares required to make the pumpset serviceable shall be measured and paid under item No 23.

M & L for replacement of rotor of 3 phase 415 volt 50 Hz AC submersible motor of 5 to 15 HP capacity complete all as specified and directed.

M& L for replacement of stator of 3 phase 415 volt 50 Hz AC submersible motor of 5 to 15 HP capacity complete all as specified and directed.

Supply and laying PVC insulated multistranded copper conductor submersible cable of 4 sqmm 3 core including taking down old cable complete all as specified and directed.

M & L for provinding 50 mm dia UPVC ppe as column pipe for borewell including and all connected works complete all as specified and directed. Note: Taking up of motor and lowering shall be measured and paid seperately under relevant item.

S & F star delta starter 10 HP / 7.5 kW including connecting to motors and fixing in panels with nut & bolts, lugs etc complete all as specified and directed.

M & L for removing defective ball/ roller bearing of centrifugal pump/ motor of 50 HP to 65 HP capcity, on site or at workshop and replacing as per existing suitable size including greasing and testing after completion complete all as specified and directed.

M & L for flushing out of borewells of 150/200mm dia and depth upto 30 to 90 m, at different locations, with air compressor untill clear water comes out from borewell complete all as specified and directed. Note: Air compressor shall be operated for minimum of 04 hours

M & L for taking down old unsv mechanical coupling for centrifugal pump set of 50 to 65 HP capacity and providing new coupling including pump/motor alignment work and testing complete all as specified and directed.

S & F in repairs CPVC gate/ ball valve suitable for pipes of following sizes complete all specified and directed.

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

S & F in repairs brass foot valve suitable for pipes of following sizes complete all specified and directed.

50 mm dia bore

100 mm dia bore

S & F in repairs sluice valve, class PN 1.6 suitable for pipes of following sizes complete all specified and directed.

100 mm dia bore

150 mm dia bore

DOGRA ELECTRICALS

Prabha Electricals and Communications