REPAIR AND MAINTENANCE OF PUMPING SETS, MOTORS, STARTERS AND ALLIED WORKS AT VARIOUS PUMPING INSTALLATIONS AT AFA HYDERABAD

Amount

M&L for Repairs to Centrifugal Pump sets installed at AFA for smooth operation of pump sets and ensuring the serviceablity , if any minor spares required for operation of the pump set like gland packing, gasket, O ring, Key etc shall be carried out without any extra cost for the following capacity Model/ Make by carry out the inspection /work. ensuring the smooth functioning and including replacing the unserviceable/worn out spares required to be brought from manufactiorer/OEM for smooth functioning complete all as specified and as directed by Engineering -in-Charge for the following :-

150 HP capacity Model DSM-6, Kirloskar make centrifugal pump set installed for HMT Pump House No 1

100 HP capacity Model 125/40, Kirloskar make Centrifugal pump set installed for AFA pump House No 2

90 HP capacity Model 125/40, Kirloskar make Centrifugal pump set installed for AFA pump House No 2

5 HP capacity, Model DV 40, Kirloskar make vaccum pump set.

The following Pump Maintenance has to be carried out for Item No 1 to 5

Checking the moving parts and lubricating

Checking the serviceablity of gland coupling and gland packing replace to arrest the leakage.

Checking of serviceablity of pressure gauge/Vaccum gauges

Arresting all water leakages

Checking and tighting of coupling alignment.

Removing the US spares and fixing of new spares including testing etc

The following Motor Maintenance has to be carried out for Item No 1 to 5

Checking the lubricant in the bearings

Checking and tighting of cable lugs connections

Cleaning the slip rings/brushes etc and replaced if required

Checking of motor efficiency.

Removing the US spares and fixing of new spares including testing etc

Note for Item No 1 to 5

(a) Rate quoted for Item No 1 to 5 shall be inclusive fo removing the Unserviceble spares and fixing of new spares & testing

(b) The spares required for Pump motor will be measured and paid separetely under respective items as supply only

(c) Expendable stores like cotton waste/cleaning materials, lubricants gland packing, gaskets, O rings, Keys materials etc and transporting to and from site to work shop etc are deemed to be included in rate quoted

Repairs to oil immersed slipring starter installed at AFA/HMT Pump House for smooth operation of pump set and ensuring the serviceablity of slipring starter, opening up servicing & repairing including setting all contactors etc and if any minor spares required for operation of the slipring starter like nuts,bolts,washers, necessary, wiring, checking the alignment connecting up the electric connection, refixing back etc shall be carried out without any extra cost for the following capacity Model/Make by carry out the inspection/work by an authorised dealer of OEM ensuring the smooth functioning and including & submitting the test report complete all as specified and as directed by the Engineer-in-charge of the following Note : Starter will be maintained for smooth operation with the existing components, any components found defective will be replaced and paid under relevant items of schedule 'A'.

Star delta starter suitable for 150 HP pump set capacity. Make : Kilburn/MEI installed for AFA pump house no 1

Star delta starter suitable for 100 HP pump set capacity. Make : Kilburn/MEI installed for AFA pump house no 2

Oil immersed Slipring starter suitable for 90HP pump set capacity. Make : Kilburn/MEI installed for HMT pump house no 2

Supply & Fix the following spares for the above mentioned Pump sets / Motors at Item No 1 to 5

Liquid Deflector for 150 HP p/set

Liquid Deflector for 100 HP p/set

Cast Iron stuffing box bush for 150 HP p/set

Cast Iron stuffing box bush for 100 HP p/set

Cast Iron Inter stage ring for 90 HP p/set

Cast Iron gland coupling for 90 HP p/set

Bronze lantern ring for 90 HP centrifugal p/set

Liquid Deflector for 90 HP p/set

CS round lock nut for 90 HP p/set

Cast iron stuffing box bush for 90 HP p/set

Bearing of suitable size and type for 90 HP motor at :-

Bearing of suitable size and type for 90 HP pump at :-

Bearing of suitable size and type for 100 HP motor at :-

Bearing of suitable size and type for 100 HP pump at :-

Bearing of suitable size and type for 150 HP motor at :-

Bearing of suitable size and type for 150 HP pump at :-

Slip ring suitable for 90 HP capacity p/set

Carbon brush holders for 150 HP cap p/set

Carbon brush holders for 90 HP cap p/set

Carbon brush for 150 HP cap p/set

Carbon brush for 90 HP cap p/set

Supply & Fix the following Spares for Star Delta starter at Item No 2.01 & 2.02 above :-

Contactors MNX 185 for 150 HP p/set

Contactors MNX 110 for 100 HP p/set

Thrermal over load relay MN 12 range 150 HP p/set

Thrermal over load relay MN 12 range 100 HP p/set

Supply & Fix the following Spares for Slip Ring starter at Item No 23.00 & 24 above :-

Moving ‘U’ contact (small) for 90 HP cap

Moving ‘U’ contact (big) for 90 HP cap

Fixed contact triangular type for 90 HP cap

Fixed contact thumb type for 90 HP cap

No volt coil assembly for 90 HP cap

Resistance coil for 90 HP cap

Disconnecting the suction and delivery pipe lines and electric connections of centrifugal/ Monoblock/ Vaccum pump set single stage/multistage pump set of following capacities and removing it from its existing position carefully and transporting the same to the work shop, dismantling/opening up the pump and motor for inspection, repairs/replacing the worn out unserviceable parts with new one including cleaning, lubricating, replacing the minor items like, necessary packing material, studs, nuts, bolts, washers etc, reassembling the pump sets including painting with two coats of synthetic enamel paint, transporting back and refixing the same in its original position including connecting up the water and electric connections, testing and commissioning complete all as specified and directed by the Engineer-in-charge for the following :-

Pump set of capacity 2HP/3HP,3 phase,415 volts

Pump set of capacity 5HP,3 phase,415 volts

Pump set of capacity 10HP,3 phase,415 volts

Pump set of capacity 12.5HP,3 phase,415 volts

NOTE : (a) Removing the UN serviceable spares and fixing of new spares including testing etc (b) The spares will be measured and paid separately under respective items as supply only

Supply & Fix the following Spares for the Pump set at Item No 76 to 80

Supply only CI/gun metal bushes for 2/3 HP centrifugal pump set

Supply only CI/gun metal bushes for 5 HP centrifugal pump set

Supply only CI/gun metal bushes for 10 HP centrifugal pump set

Supply only CI impeller for 2/3 HP centrifugal pump set

Supply only CI impeller for 5 HP centrifugal pump set

Supply only CI impeller for 10 HP centrifugal pump set

Supply only bearing of suitable size and type for motor of centrifugal pump set 2/3 HP capacity at :-

Supply only bearing of suitable size and type for motor of centrifugal pump set 5 HP capacity at :-

Supply only bearing of suitable size and type for motor of centrifugal pump set 10 HP capacity at :-

Supply only CI gland coupling for 2 HP p/set

Supply only CI gland coupling for 5 HP p/set

Supply only CI gland coupling for 10 HP p/set

Material and labour for repairs to 2 HP, 3 Phase, 415 Volts Induction motor by taking down the burnt out, winding from motor, cleaning and rewinding with super enameled copper wire of the same guage and number of turns as existing complete all as specified and directed.

-ditto- all as per item No 100 above but for 5 HP, 3 Phase, 415 Volts

-ditto- all as per item No 100 above but for 10 HP, 3 Phase, 415 Volts

-ditto- all as per item No 100 above but 20 HP, 3 phase, 415 Volts

Remove the worn out coupling from pump set 150 HP of KIRLOSKAR make Model DSM -6, Supply and fix in repairs in repairs coupling made out of MS duly drilled including suitable rubber bushes with inner brass & nuts bolts, key etc and necessary lathe work to match with existing shaft etc complete all as specified and as directed by the Engineer-in-charge.

All as per item no 104 above but Model 125/40, 90 HP capacity of kirloskar make but with type couples complete all as specified and as directed by the Engineer-in-charge.

Supply and filling Transformer oil conforming to IS 335 in the slipring starter pump house no 1 &2 complete all as directed Make ELECTROL/POWER OIL. Complete all as specified and as directed by Engineer-in-charge.

Disconnecting the water electric connections and taking out the submersible pumpset of following capacities alongwith 32/50/65/80mm dia GI pipe, fittings and submersible cable from existing bore well for servicing/repairing of pumpset/flushing of bore well including lowering back the submersible pumpset after carrying out repairs the pumpset by using new/old retrieved materials such as GI pipe, submersible cable/couples etc upto as that of original depth connecting up of all electrical and water connections, testing and commissioning of pumpset for satisfactory operation on its full load complete all as directed by the Engineer-in-Chage of the following capacity :-

1.5 HP capacity

5 HP to 6 HP capacity

7.5 HP capacity

10 HP to 12.5 HP capacity Note : Pipe cable/repairs of Pump set etc will be measured and paid seperately

Flushing of bore well of 150mm dia using rotary fast rig with compressed air/reboring at required places for cutting of roots deposited sludge/stuck up with boulders until getting of clear water from the tube well up to a depth of 100 running meter complete all as specified and as directed by Engineer-in-Charge.

Description all as per Ser item No 112 above but for a depth exceeding 100 running meter and not exceeding to 200 running meter. Note for Sl item No 112 & 113: Rate quoted is deemed to inclusive of clearing the bushes / making arrangements to approach the vehicle upto the bore well to the required extent for flushing.

M & L for Cutting the unserviceable/corroded threaded portion of GI column pipe of 32/40/50/65/80mm bore transporting to the work shop and getting machine cut threads and transporting back to site complete all as directed by the Engineer-in-Charge of the following :-

32/40 mm bore

50 mm bore

80 mm bore

M & L for providing GI pipe of 50 mm bore Heavy grade ISI marked complete all as specified and as directed by the Engineer-in-Charge.

-ditto- all as per item No 118 above but 40 mm

-ditto- all as per item No 118 above but 32 mm

Supply and fix in repairs in repaired GI coupler heavy duty ISI marked 100 mm long of 32/40 mm bore complete all as specified and as directed.

Supply and fix in repairs in repaired GI coupler heavy duty ISI marked 100 mm long of 50 mm bore complete all as specified and as directed.

M & L for Submersible cable, PVC insulated, PVC sheathed 1100 volts grade, multistranded copper conductor flat, 3 core 4 Sqmm complete all as specified and as directed.

M & L for Submersible cable, PVC insulated, PVC sheathed 1100 volts grade, multistranded copper conductor flat, 3 core 6 Sqmm complete all as specified and as directed.

Dismantling, opening the pump and motor of the following capacities of submersible pumpsets for repairs and reassembling the pump and motor as per the original assembly after repairs/replacing the worn out unserviceable spare parts with new one as ordered including cleaning, replacing the minor items like packing, nuts, bolts, washers and MS clamps etc. making the pump and motor fully serviceable including metal filling, machining work etc and testing the both after refixing and commissioning complete all as specified and as directed by Engineer – in – Charge for satisfactory operation of the following:- Note :(1) Required spares will be measured and paid separately (2) Pipe cable/repairs of Pump set etc will be measured and paid seperately

1.5 HP capacity

5 HP to 6 HP capacity

7.5 HP capacity

10 HP to 12.5 HP capacity Note : Pipe cable/repairs of Pump set etc will be measured and paid separately

Supply and fix in repairs in repairs the following suitable spare parts for repairs of submersible pumpset of capacity 1.5 HP complete all as specified and as directed :-

Thrust bearing set

Neck ring for stage casing

Middle sleeve

Impeller

Diffuser

Shaft

CI NRV unit

Bush for LBH/UBH

Coupling bush

Supply and fix in repairs in repairs of the following suitable spares for repairs of submersible pumpset of capacity 5 HP to 6 HP all as specified and directed :-

Thrust bearing set

Neck ring for stage casing

Middle sleeve

Impeller

Diffuser

Shaft

CI NRV unit

Bush for LBH/UBH

Coupling bush

Supply and fix in repairs in repairs of the following suitable spares for repairs of submersible pumpset of capacity 7.5 HP complete all as specified and as directed :-

Thrust bearing set

Neck ring for stage casing

Middle sleeve

Impeller

Diffuser

Shaft

CI NRV unit

Bush for LBH/UBH

Coupling bush

Supply and fix in repairs in repairs the of following suitable spares for repairs of submersible pumpset of capacity 10 HP to 12.5 HP complete all as specified and as directed :-

Thrust bearing set

Neck ring for stage casing

Middle sleeve

Impeller

Diffuser

Shaft

CI NRV unit

Bush for LBH/UBH

Coupling bush

Supply and fix Gun metal non return valve with new one of ISI marked with flanged and connecting to CI/GI pipe of size 50 mm bore including jointing materials, nuts bolts, washers and necessary accessories etc complete all as specified and as directed.

Description all as per Ser item No 170 above but of size 40 mm bore complete all as specified and as directed.

Supply and fix in repairs in repairs star delta starter with SS enclosure fully automatic type ML-1.5, 3 phase, 415 Volts complete with over load relay, single phase preventor and On Off switch etc incl taking down unserviceable one complete all as specified and as directed.

Supply and fix in repairs in repairs connect and test DOL starter type MK-1 with sheet steel enclosures, 3 phase, 415 volts, 50 Hz suitable for motor out put of 5 HP capacity complete all as specified and as directed.

Supply and fix in repairs single phasing preventor with manual and automatic operation suitable upto 15 HP capacity pump set incl taking down unserviceable one complete all as specified and as directed by the Engineer-in-Charge.

M&L for rewinding the mortor of submersible pump set of following capacities by cleaning and rewinding with super enamelled copper wire of the same gauge and number of turns as existing including taking down the burnt out winding complete all as specified and as directed for the following capacity :-

1.50 HP Capacity

5 HP to 6 HP capacity

7.5 HP capacity

10 to 12.5 HP Capacity

S & F Gunmetal Globe / Gate Valve with iron wheel head, screwed with ends for iron pipe ISI marked including taking down the old unserviceable one of the following sizes complete all as specified and as directed by the Engineer-in-Charge :-

80 mm bore

50 mm bore

Collecting water samples in clean bottle from bore well and getting tested for chemical and bacteriological analysis from approved Govt lab complete all as specified and as directed by the Engineer-in-Charge.

S&F Pressure switch type KP 35/36, with necessary fittings including necessary drilling and tapping with existing GI/CI pipe (in Position) complete all as specified and as directed by Engineer-in-Charge

Dismantling the existing unserviceable cast iron sluice valves of size 80 mm dia from installed position and taking out with out causing any damage to the pipe lines complete all as directed by the Engineer-in-Charge

S&F CI sluice valve heavy duty PN 1.6 ISI marked 80 mm dia both ends flanged with necessary jointing material including rubber or fibre board gaskets, bolts and nuts complete all as specified and as directed by the Engineer-in-Charge

Dismantling the existing unserviceable cast iron sluice valves of size 100 mm dia from installed position and taking out with out causing any damage to the pipe lines complete all as directed by the Engineer-in-Charge

S&F CI sluice valve heavy duty PN 1.6 ISI marked 100 mm dia both ends flanged with necessary jointing material including rubber or fibre board gaskets, bolts and nuts complete all as specified and as directed by the Engineer-in-Charge

M&L Mild Steel Framed work Fe 410-W(Gde-E- 250)quality- 'A' as in Duct covers,Chamber covers and similar wks, angle or other section with gusset plates, MS Plates or sheets of any thickness, rails, braces, etc., complete, welded for fixing with and including either hooks and hinges with handles also fastening and fixing complete, using ERW or induction butt welding wherever necessary, complete all as specifed and as directed

M & L Preparation of new or previously untreated steel surfaces of any description, not otherwise described and applying two coats of synthetic enamel paint over a coat of zinc chrome primer complete all as specified and as directed.

Demolition of Cement Concrete of any description and in any position etc all as specified and directed.

M&L for PCC 1:3:6, type C1 (using 20 mm graded granite stone aggregate) in coping, bed plates, etc., including weathering, slightly rounded or chamfered angles and throating, necessary form work, including dismantling existing complete all as specified and as

Demolition/Cutting of road/PCC (unreinforced)/ hard standing for taking out the damaged pipe etc complete all as specified and as directed by the Engr in Charge

Demolition of Brickwork or stone/boulder masonry,Pre cast block masonry built in cement mortor including all quoins, arches, pillars,etc, but excluding ashlar facings, dressed stonework and precast concrete articles all as specified and directed.

M & L Pre-cast cement concrete (1:3:6) type C1 using 20mm graded stone aggregate block masonry with solid blocks, exc 10 cm in width and set in cement mortar 1:6 complete all as specified and as directed by the Engr in Charge

M & L Rendering 10 mm thick on fair faces of brick work or concrete srufaces cement mortar 1:6, finished even and smooth without using extra cement complete all as specified and as directed by the Engr in Charge

Disconnecting the suction and delivery pipe lines and electric connections of plunger type hydro jet pump of capacity 10 HP (7.5 KW), 1440 RPM, max pressure 125 bar, Max flow 30 LPM, volume 30 l/min at 1450 RPM, 36 l/min at 1740 RPM, power 11.3 KW ( 30 l/min - 200 BAR), 13.6 KW (36 l/min - 200 BAR) removing it from its existing position carefully and transporting the same to the work shop, dismantling/opening up the pump and motor for inspection, repairs/replacing the worn out unserviceable parts with new one including cleaning, lubricating, replacing the minor items like, necessary packing material, studs, nuts, bolts, washers etc, reassembling the pump sets including painting with two coats of synthetic enamel paint, transporting back and refixing the same in its original position including connecting up the water and electric connections, testing and commissioning complete all as specified and directed by the Engineer-in-charge with the following spares required :-

Suction pipe of size 3/4 "

Discharge Pipe of size 1/2"

Reducers

Pressure Guage 0-210 kg/cm2

washing gun

pressure regulator

S&F Cast iron specials such as bends, collar and Tee etc any type of size up to 150 mm bore as per site requirement all as specified and directed by Engineer-in-Charge. Note : The necessary earth work, excavation,lead joints etc will be measured and paid seperately all as specified and directed by Engineer-in-charge..

S&F Cast iron specials such as bends, collar and Tee etc any type of size up to 200 to 300 mm mm bore as per site requirement all as specified and directed by Engineer-in-Charge. Note : The necessary earth work, excavation, will be measured and paid seperately all as specified and directed by Engineer-in-charge..

M&L for Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of pipe and getting out in hard/dense soil complete all as specified and as directed by Engineer-in-Charge

M&L for Returning, filling in trenches including spreading levelling watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed by Engineer-in-Charge

Removing the surplus soil to a distance exceeding 50 metres and not exceeding 250 metre and depositing where directed at a level not exceeding 1.5 metres above the starting point complete all as specified and as directed

Fixing only MCB TPN 6-32 Amps 415 Volts complete all as specified and as directed.

Fixing of MCB TPN 40-100 Amps 415 Volts complete all as specified and as directed.

AKSHITA ELECTRICAL (BID ID -3186025)

Ms V.Prakash (BID ID -3178211)

sandhya enterprises (BID ID -3186712)

S J REDDY (BID ID -3180545)