CA NO. GE(I)(AF)/SHL/ OF 2022-23 REPAIR/ REPLACEMENT OF CENTRIFUGAL PUMPS AND MOTORS, FOUNTAIN PUMPS , SUBMERSIBLE PUMPS , MOTOR STARTER PANEL AND OTHER ALLIED WORKS AT HQ EAC (U) AF UNDER GE(I) AF SHILLONG

Amount

Note : All unserviceable materials obtained out of demolition/dismantling/taking down (other than those for which credit catered under Schedule of credit) shall be disposed of outside MoD Land. Quoted rates against respective item shall deemed to include for same.

Disconnecting carefully three phase induction motor from pump, starter panel and foundation complete, lifting the motor from site of installation and taking the motor to repair workshop in vehicle, dismantling the unserviceable winding, cleaning the slots and rewinding with super enamelled copper winding wire with existing guage, turns and weight, insulating sleeves including varnishing and baking properly and reassembeling the motor after replacement of unserviceable parts/components, testing at workshop and transporting the same from workshop to site, re-installation and necessary testing and commissioning complete for the follwing capacity motors all as directed.

Motor of capacity 2 HP/ 3 HP

Motor of capacity 5 HP/ 7.5 HP

Motor of capacity 10 HP

Motor of capacity 15 HP

Motor of capacity 60 HP/ 75 HP

Motor of capacity 90 HP/ 100 HP

S& F in repairs bearing for AC, 3 phase, 415 V, induction motor / monoblock pump set of the follwing capacities all as directed

Ball bearing for Motor of capacity 2 HP/ 3 HP Make: SKF Model No: 6206/6208 2Z or equivalent from the approved list of makes

Ball bearing for Motor of capacity 5 HP/ 7.5 HP Make: Kirloskar Model No: 6209/6210 or equivalent from the approved list of makes

Ball bearing for Motor of capacity 10 HP Make: SKF Model No: 6190 2Z/6208 2Z or equivalent from the approved list of makes

Ball bearing for Motor of capacity 15 HP Make: SKF Model No: 6309/ 6310 or equivalent from the approved list of makes

Ball bearing for Motor of capacity 60 HP/ 75 HP/90 HP/ 100 HP Make: SKF Model No: 6314 or equivalent from the approved list of makes

Ball bearing for Motor of capacity 90 HP/ 100 HP Make: SKF Model No: 6318 C3 or equivalent from the approved list of makes

Roller bearing for Motor of capacity 90 HP/ 100 HP Make: SKF Model No: NU 316 or equivalent from the approved list of makes

Disconnecting carefully centrIfugal pump from motor suction/delivery pipe and from foundation complete of follwing capacities, lifting the pump from site of installation and transporting to workshop for repair, dismantling the bearing, impeller, shaft with key, outer casing etc and reassembeling the pump after repairs/replacement of unserviceable parts/components, cutting the key slot and turning the shaft on lathe machine, testing at workshop , painting with one coat of synthetic enamel paint to pump only and transporting the same from workshop site and re-installation of pump and fitting on foundation and coupling with motor with proper alignment incl necessary testing and commissioning complete all as specified and directed. Notes : (a) Cost of labour for replacement of new spares/component shall be deemed to be included in quoted rates. (b) New spare parts/components shall be measured and paid as Supply only under respective items of BOQ here-in-after. (c) Cost of cosumables like Oil/Grease/Lubricants shall be deemed to be included in quoted rates.

Motor of capacity 2 HP/ 3 HP

Motor of capacity 5 HP/ 7.5 HP

Motor of capacity 10 HP

Motor of capacity 15 HP

Motor of capacity 60 HP/ 75 HP

Motor of capacity 90 HP/ 100 HP

Disconnecting all electrical connection carefully of three phase, 415 Volts induction electric motor from any installation of any make (otherthan as caterd in 1 & 2 before) , lifting the motor from site of installation and taking the motor to repair workshop in vehicle, dismantling , overhauling with proper heat varnishing ( for proper insulation) , re-metalling, machine polishing of rotor shaft , terminal box and painting with one coat of synthetic enamel paint and reassembeling the motor , testing at workshop and transporting the same from workshop to site, re-installation and necessary testing and commissioning complete for the follwing capacity motors all as directed.

Motor of capacity 2 HP/ 3 HP

Motor of capacity 5 HP/ 7.5 HP

Motor of capacity 10 HP

Motor of capacity 15 HP

Motor of capacity 60 HP/ 75 HP

Motor of capacity 90 HP/ 100 HP

Taking out carefully open well submersible single phase pumping sets and dismantling motors from pumps, lifting the motor from site of installation and taking the motor to repair workshop in vehicle, dismantling the unserviceable winding, cleaning the slots and rewinding with super enamelled copper winding wire with existing guage, turns and weight, insulating sleeves including varnishing two coats and baking properly and reassembeling the motor , testing at workshop and transporting the same from workshop to site, re-installation and necessary testing and commissioning complete for the follwing capacity pump sets all as directed.

Motor of capacity 1 HP/ 1.5 HP

Motor of capacity 2 HP/ 3 HP

Motor of capacity 5 HP / 7.5 HP

Motor of capacity 10 HP / 12.5 HP

S& F in in repairs stainless steel filter net suitable for 5 HP/ 10 HP submersible pump complete all as specified and as directed

Supply only Cast iron impellor suitable for follwing capacities of pumps all as directed. Make : Kirloskar / CG / or as existing in site

2 HP/ 3 HP capacity Monoblock pump

5 HP/ 7.5 HP capacity Monoblock pump

10 HP capacity Monoblock pump

15 HP capacity Centrifugal pump

90 HP / 100 HP capacity centrifugal pump

M&L for re-metalling , grinding and re polishing of damaged CI impellor cover of pump capacity 5 HP to 15 HP monoblock pump complete all as directed

M&L for re-metalling , grinding and re polishing of damaged CI impellor cover of pump capacity 90 HP to 100 HP monoblock pump complete all as directed

Supply only gun metal gland bush including graphite gland packing for induction/ monoblock pump set of capacity 5 HP to 15 HP all as directed

Supply only gun metal gland bush including graphite gland packing for induction/ monoblock pump set of capacity 90 HP/ 100 HP all as directed

S& F in repairs MS studs with nut as per existing size & shape of size 1/4" to 5/8" complete all as directed

Supply only Impeller key suitable for any type of pump all as directed

S&F in repair check nut suitable for any type of pump complete all as specified and as directed

Cutting and removing of old unserviceable nut bolt and washer of size 3/8" to 5/8" from the pump set and base frame and S&F MS nut bolt and washer of same size fixed in same position, complete as directed by the Engineer-in-Charge.

Re-metalling and re-shaping of impeller key slot, for pumps complete as directed by the Engineer-in-Charge.

Removing the existing foot valve/check valve of any type carefully by disconnecting water supply pipes of size 40mm to 80mm dia and opening, cleaning including replacement of new gasket (Flap) bolt, nut, washers of suitable size and refixing the same after repairs complete as directed by the Engineer-in-Charge.

Removing the existing foot valve/check valve of any type carefully by disconnecting water supply pipes of size 100 mm to 200 mm dia and opening, cleaning including replacement of new gasket (Flap) bolt, nut, washers of suitable size and refixing the same after repairs complete as directed by the Engineer-in-Charge.

M&L for Checking and balancing of old shaft for monoblock / centrifugal pump of any capacity / type including re-metalling and polishing, and re fixing complete as directed by the Engineer-in-Charge.

M&L for Mild steel Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. conforming to Fe.290.Gde-E-165 complete all as specified and as directed by the Engineer-in-Charge.

Demolition Cement Concrete (un-reinforced) in Ground Floors and Pavings not exc. 150mm thickness (above or below Ground Level), complete all as specified and as directed.

M&L Plain Cement Concrete type B1 (1:2:4) using 20 mm stone aggregate as in Foundation of monoblock pump/centrifugal pump, Filling and Mass Concrete, complete all as specified and as directed.

M&L Greasing for bearings of (centrifugal pumps / Monoblock pumps) of 2 to 7.5HP pump sets any make complete all as directed by Engr-in-Charge.

M&L Greasing for bearings of (centrifugal pumps / Monoblock pumps) of 10 to 15 HP pump sets any make complete all as directed by Engr-in-Charge.

M&L Greasing for bearings of centrifugal pumps of 60 to 100 HP pump sets any make complete all as directed by Engr-in-Charge.

Disconnecting of all electric / water supply connection from the panel/water line, taking out submersible pump set including column pipe (motor and pump) of 6 HP capacity by using tripod & chain pully from site and transporting to workshop, dismantling the pump part by part, after stripping off the pump and motor, segregating the unserviceable and serviceable parts, cleaning, slot cutting, re-metalling and machine polishing of outer cover, threading of all parts as required, re-assembling including replacement of worn out spares and painting with one coat of synthetic enamel paint, re-transporting to work-site lowering the pump set including column pipe and re-connection of electrical and mechanical joint, testing of pump set at CANTT-19 complete all as directed by Engr- in- Charge.

Disconnecting of all electric / water supply connection from the panel/water line, taking out submersible pump set including column pipe (motor and pump) of 20 HP capacity by using tripod & chain pully from site and transporting to workshop, dismantling the pump part by part, after stripping off the pump and motor, segregating the unserviceable and serviceable parts, cleaning, slot cutting, re-metalling and machine polishing of outer cover, threading of all parts as required, re-assembling including replacement of worn out spares and painting with one coat of synthetic enamel paint, re-transporting to work-site lowering the pump set including column pipe and re-connection of electrical and mechanical joint, testing of pump set at Malse Dam complete all as directed by Engr- in- Charge. Note : Column pipe, New spares, nuts, bolts, gasket & painting of column pipes shall be measured and paid separately

Supply only following spare parts for replacing unserviceable parts against Item No. 27 here-in-before.

Cable guard

Suction case strainer

Counter thrust bearing

Diffuser ring

Bearing sleeve

Bearing bush upper / lower

Suction case (Intermediate)

Neck ring (Intermediate seal ring)

SS Pump shaft

Shaft sealing bush

Impeller (Gun metal)

Gun metal impeller

Key of impeller

Sand guard

Seal cap

Coupling for pump

Stage casing (Bowl)

Adjusting cap

Rubber cap

Sleeve for shaft

Seal for shaft

Ring insert for non-return valve

Oil seal

Diaphragm

Circlip

Coupling sleeve

Upper bearing bush

Lower bearing bush

Thrust bearing plate

Counter thrust segments

Drain plug

Sealing ring

Stud ring upper / lower

Thrust carbon

Rotor sleeve

Motor base

Pressure compensation rubber

Gunmetal bearing bush

Stainless steel stud

Rotor re-metalling, grinding & polishing complete

SS nut of size 8 mm / 12 mm

Nylon washer

Bearing bush (rubber)

Flange upper / lower

Lock nut

Supply & Fix in repairs Motor cooling fan suitable for 5 HP to 10 HP induction motor all as specified and as directed.

Supply & fix in repairs Motor cooling fan suitable for 15 HP to 40 HP induction motor all as specified and as directed.

Supply & fix in repairs Motor cooling fan suitable for 60 HP to 100 HP induction motor all as specified and as directed.

M&L for Rewinding of submersible motor of capacity 5/6.0 HP of any make and any type with super enamelled copper wire of suitable gauge, insulated and including re-assembling the motor, jointing with insulated materials etc,. including testing with minor repair to pumps complete all as directed by Engr-in-Charge. Make : CALAMA,KSB & Crompton Greaves

M&L for Rewinding of submersible motor of capacity 20 HP of any make and any type with super enamelled copper wire of suitable gauge, insulated and including re-assembling the motor, jointing with insulated materials etc,. including testing with minor repair to pumps complete all as directed by Engr-in-Charge. Make : CALAMA,KSB & Crompton Greaves

S&F PVC insulated flat industrial copper cable, of cross-sectional area 10 sq mm x 3 core, suitable for submersible pump, including necessary incoming and outgoing electric connections, copper lugs, water proofing compound etc., connected to starter / motor as in repair complete all as specified and as directed.

Taking down Non return valve assembly size 100mm to 150mm by opening the nut, bolts and washers, cleaning the valve , replace with new rubber gasket, balls and refix in the same position after testing complete all as specified and as directed.

S&F Mild steel bore well cap for 8" x 12" tube well in two parts 10mm thick with cable/column pipe entry system and locking arrangements and welding work as in repair complete all as specified and as directed.

S&F MS nut and bolt with MS washer of any size for jointing of MS column pipes / pump mounting bolts / valves etc. as in repair , complete all as specified and as directed.

S&F in repairs MS star/round coupling with star rubber bush / Rubber round coupling with MS plate incl necessary nut, bolt & washers complete of centrifugal pumps 5 HP to 15 HP capacity complete all as specified and as directed.

Welding work in exc 6mm but n. exc 9mm thick metals on running pipe line / MS frame in any length and thickness not exceeding 9 mm in any position complete all as directed by Engr-in-Charge.

S&F in repairs Fully automatic star delta starter in Sheet-Steel Enclosure Type MN 16 F FASD (Motor Rating AC-3 Duty, 415V, 50Hz, 3Ph) incl necessary incoming & outgoing elect connections, copper lugs, etc., all as specified and as directed. Make : L&T, Cat No SS94362 / BCH or equivalent from approved list of makes

S&F in repairs DOL starter single phase in sheet steel enclosure MF G1 for motor rating of 1.0/2.0 HP, 6.5 to 20 Amps with Voltmeter and ammeter including all necessary electric connections and fixing arrangement as per site requirement all as directed by Engr-in-charge. Make :- L&T Cat Part No SS97730OOCG/SS97732OOOCF or equivalent from approved list of makes

S&F in repairs DOL starter three phase in sheet steel enclosure MUG6 for motor rating of 5.0 HP, 6.0 to 10.0 Amps with Voltmeter and ammeter including all necessary electric connections and fixing arrangement as per site requirement all as directed by Engr-in-charge. Make :- L&T Cat Part No:SS97756COVO or equivalent from approved list of makes.

S&F in repairs FASD starter three phase in sheet steel enclosure MUG 15 for motor rating of 7.5/10.0 HP, 6.0 to 14.0 Amps with Voltmeter and ammeter including all necessary electric connections and fixing arrangement as per site requirement all as directed by Engr-in-charge. Make :- L&T Cat Part No:CS94091SPAO or equivalent from approved list of makes.

S&F in repairs Push button Actuator switch of any colour including necssary connections complete all as specified and as directed. Make: L & T Cat No SS91519 or equivalent from approved list of makes.

S&F in repairs Indication lamp set LED type complete all as specified and as directed.

S&F ML bi-metal overload relays, ranging from 10 Amp to 16 Amp, including necessary incoming and outgoing elect connections, copper lugs, etc., as in repair complete all as specified and as directed. Make : L&T, Cat No SS91858OOBO or equivalent from approved list of makes.

S&F MN (MN 05)overload relays, ranging from 66 Amp to 110 Amp, including necessary incoming and outgoing elect connections, copper lugs, etc., as in repair complete all as specified and as directed. Make : L&T, Cat No SS94137OOKO or equivalent from approved list of makes.

S&F ML bi-metal overload relays, ranging from 20 Amp to 32 Amp, including necessary incoming and outgoing elect connections, copper lugs, etc., as in repair complete all as specified and as directed. Make : L&T, Cat NoSS91859OOEO or equivalent from approved list of makes.

S&F AC electronicl timer ST 100 3 phase electronic timer ranging from 3 - 30 sec including necessary incoming and outgoing elect connections, copper lugs, etc., as in repair complete all as specified and as directed. Make : L&T, Cat No ST80328OOOO or equivalent from approved list of makes.

M&L Painting to existing cast iron / mild steel (Inlet, Outlet, Wash out, Over flow) pipe lines of any size fixed with pump house building, or fixed to wall / floor of overhead tank (approx 7.5 m to 22 m height) including motor starter panel board with one coat of synthetic enamel paint (as per standard colour code) after preparation of surfaces complete all as specified and as directed.

Taking down suction pipe of 80 mm with defective GM foot valve of 80mm for replacement of the foot valve(ISI) marked and Supply and fix GM foot valve of 80 mm dia including necessary including cutting threading of GI pipe and lowering in the sump complete all as specified and directed by Engineer-in-Charge. Make: Leader / Zoloto

Taking down suction pipe of 40 mm with defective GM foot valve of 40mm for replacement of the foot valve(ISI) marked and Supply and fix GM foot valve of 40 mm dia including necessary including cutting threading of GI pipe and lowering in the sump complete all as specified and directed by Engineer-in-Charge. Make Leader (Cat No-GM-065 (I) 11/2) / Zoloto

S&F PVC insulated single core solid copper conductor of follwing sizes for inter-connection as in repair complete all as directed by the Engr-in-Charge. Make:MESCAB/Finolex/Havells

Single core , 50 sqmm size

Single core , 35 sqmm size

Single core , 25 sqmm size

Single core , 16 sqmm size

Single core , 10 sqmm size

Single core , 6 sqmm size

Single core , 2.5 sqmm size

S&F Add on block 1NO + 1NC including necessary electric connections as in repair complete all as directed by the Engr-in-Charge. Make : L&T Cat No CS94118^ /BCH Cat No:C320KGT*11 or equivalent from approved list of makes.

S&F Add on block 2 NO + 2 NC including necessary electric connections as in repair complete all as directed by the Engr-in-Charge. Make : L&T Cat No: CS94114 / BCH Cat No C320KGT*22 or equivalent from approved list of makes.

S&F Single phase preventor (auto re-set, 40 Volts unbalance), as in repair complete all as directed by the Engr-in-Charge. Make : Minilec, Cat No VSP 2 or equivalent from approved list of makes.

M&L Stripping off existing starter panel , supply and replacement of single phase preventor matching with motor of type VSP-3 and re-assembling of the panel including rectification of fault and safety device, adjustment of time etc complete as directed by the Engr-in-Charge. Make : Minilec/ BCH. or equivalent from approved list of makes.

M&L for Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below ground level,connected to galvanised iron strip of size 32X6 mm as earthing lead by means of bolts ,nuts,check nuts and washers protected by 40mm Dia (medium grade) GI tubing ,funnel ,wire mesh,20mm bore GI tubing (light grade) watering pipe including concrete pit in PCC (1:3:6)type C-1, all as shown in Electric plate no.3 connected to earthing test point all as specified or indicated including testing on completion alongwith Pit Cover of Dimension 45X45X5 CM including excavation and earth work and including taking down old earthing complete all as specified and as directed. Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii) The cost of excavation, earth work is included in the quoted rate.

S&F Three pole power contactor MNX-12 suitable for 415V, 50Hz as in repair all as directed. Make : L&T, Cat No- CS 94109 or equivalent from approved list of makes.

S&F Three pole power contactor MNX-25 suitable for 415V, 50Hz as in repair complete all specified and as directed. Make : L&T, Cat No- CS 94110 or equivalent from approved list of makes.

S&F Three pole power contactor MNX-50 suitable for 415V, 50Hz as in repair complete all specified and as directed. Make : L&T, Cat No- CS 97075 or equivalent from approved list of makes.

S&F Three pole power contactor MNX-80 suitable for 415V, 50Hz as in repair complete all specified and as directed. Make : L&T, Cat No- CS97077 or equivalent from approved list of makes.

S&F Three pole power contactor MNX-110 suitable for 415V, 50Hz as in repair complete all specified and as directed. Make : L&T, Cat No- CS94137 or equivalent from approved list of makes.

S&F SP MCB 'C' curve 6-32 A,10 KA as in repair complete all specified and as directed. Make : BCH,Cat part No:BB10320C or equivalent from approved list of makes.

S&F DP MCB 'C' curve 40 A,10 KA as in repair complete all specified and as directed. Make : BCH,Cat part No:BB20400C or equivalent from approved list of makes.

S&F TPN MCB 'C' curve 40 A,10 KA as in repair complete all specified and as directed. Make : L&T,Cat part No:BB40400C or equivalent from approved list of makes.

Supply and fix in repairs MS pump set base frame suitable for 5 to 7.5 HP pump set incl necessary dismantling of old PCC and provision of new PCC 1:3:6 foundation, MS foundation bolt, nut & washers complete all as directed.

Supply and fix in repairs MS pump set base frame suitable for upto 10.0/15.0 HP pump set incl necessary dismantling of old PCC and provision of new PCC 1:2:6 foundation, MS foundation bolt, nut & washers complete all as directed.

S&F for 150 MM High Torque electric actuator valves series U-754 of PN 16 for fixing in existing pump house pipe line with all fitting accessories all as specified and as directed by Engr-inCharge. Make: Universal Switch Gear Control (U-150/16/220 V AC or Equivalent as approved by Accepting officer.

S&F for 100 MM High Torque electric actuator valves series U-754 of PN 16 for fixing in existing pump house pipe line with all fitting accessories all as specified and directed by Engr-inCharge.Make: Universal Switch Gear Control (U-100/16/220 V AC or Equivalent as approved by Accepting officer.

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