REPAIR AND MAINT OF CENTRIFUGAL SUBMERSIBLE MONOBLOCK PUMPSET AND MISC ITEMS UNDER THE JURISDICTION OF GE (A) JAISALMER

Amount

Dismantling & taking down existing centrifugal pump set from platform and disconnecting suction & delivery pipe line & electrical connections, transport the same to workshop for repair (i.e machining work, welding, grinding, turning & polishing, lathe work, filler work etc. complete as required at site) and after repairing transporting the pump set from workshop to site, installation at site connecting suction & delivery pipe and electrical connection complete all as directed by Engineer-in-charge for following pumps capacity NOTE:-(i) The rate is deemed to be included the cost of providing foundation nuts, bolts & washers, gland packing, greasing, oiling and oil sheet gasket. (ii) S&F of spare parts will be measured and paid separately under relevent items of Sch 'A' . No extra payment will be made to the contractor for any additional requirement for fixing/ reinstalling the pump motor set.(iii) Gland packing, greasing and oiling should be changed at the time of repairs).

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 180 HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

Gland bolt/ nut

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 100 HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

Gland bolt/ nut

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 75/70/60 HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

Gland bolt/ nut

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 30/25HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

Gland bolt/ nut

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 20/15/12.5/10 HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

(n) Gland bolt/ nut

Supply & fix the following spare parts against Srl Item No 1.00 above suitable for 7.5 HP capacity centrifugal pump sets.

CI Impeller

Casing Ring

Impeller ring brass nut

Impeller key

Coupling key

Coupling rubber bushes/ Tyre coupling

Shaft sleeve (Steel)

Ball Bearing

Brass Bush

Shaft

MS coupling (Beam, Jaw, Gear any type for both Pump and motor)

Gland cap CI

Gland bolt/ nut

Taking down the existing motor/pump from base plate after disconnecting the electrical connection and transporting to workshop for repair (i.e machining work, welding, grinding, turning, polishing, lathe work & filler work etc.) & taking out burnt out copper winding complete and cleaning properly. Rewinding the motor with same gauge and same turn ratio for proper RPM, best quality copper enamelled winding wire and packing properly with packing materials, varnishings, drying & replacing wornout bearing/terminal plate, reassembling, fixing in it's original position, testing & commissioning & transporting after repairing complete of following sizes all as directed by Engineer-in-charge. Note :- Supply only bearings will be measured and paid separetely under respective item of this schedule.

Supply and fix in repairs motor cooling fan of same size and capacity as per existing motor including all fiiting, fixtures etc as directed by Engineer-in-charge for the following : -

Lifting of electric motor from existing position after disconnection of all electrical connection for renewal of U/S bearing and applying grease after removal of old grease and re-installing at site where directed after refilling new grease and reconnecting all electrical connection and testing complete. Note : (a) Necessary payment for bearing shall be measured and paid separately under relevant items. (b) Quoted rate deemed to include cost of grease as per site. (c) The contractor shall lift the motors as directed by the Engineer-in-charge for normal servicing.

10 HP to 60 HP

75 HP to 180 HP

Supply only front / rear ends bearing of same size as existing suitable for motor including all fiiting, fixtures etc as directed by Engineer-in-charge as following size: -

Taking down mono block pump set, dismantling and taking out burnout copper winding wires after opening the motor (i.e machining work, welding, grinding, turning & polishing, lathe work, filler work etc.) & cutting of copper wire & cleaning complete with proper cleaning solution and rewinding the motor with appropriate gauge & best quality copper enamelled wire with packing material, varnishing, testing & commissioning complete for following capacity all as directed by Engineer-in-charge. Note :- The other spare parts will be measured and paid separately under relevent items of Sch 'A' as supply only.

Supply only following spare part against Item No 12.00 above suitable for 15/12.5 HP Pump Set 3 Phase capacity monoblock pump sets complete all as directed by Engineer-in-charge.

CI Impeller

Impeller nut GM

key for Impeller MS

Front bearing

CI front inner cap.

CI rear inner cap.

Rear bearing

CI rear outer cap.

Terminal board bakelite

Shaft

Supply only following spare part against Item No 12.00 above suitable for 7.5/05/03/2/1.5/0.5 HP Pump Set 3 Phase capacity monoblock pump sets complete all as directed by Engineer-in-charge.

CI Impeller

Impeller nut GM

key for Impeller MS

Front bearing

CI front inner cap.

CI rear inner cap.

Rear bearing

CI rear outer cap.

Terminal board bakelite

Shaft

S&F pump gland plate fitting of suitable size complete all as specified and directed by Engineer-in-charge.

S&F gland packing of pump at site, cheking of gland packing of pumpsets every month at each pumphouse of suitable size complete all as specified and directed by Engineer-in-charge.

S & F in repair/replacement of contactor, 3 phase AC 440 volt of following capacity complete all as specified & directed by Engineer-in-charge.

S&F in repair/replacement of Automatic star delta starter suitable for following size of motors and pumps including timer, indicating push button, etc. complete as specified by Engineer-in-charge.

S&F in repair/replacement of DOL starter suitable for size of motors and pumps of capacity 05/03/01 HP including indicating push button etc complete with necessary copper wiring as required for connection complete all as specified and directed by Engineer-in-charge.

Supply and fix in repair/replacement of single phase preventor suitable for 3 phase 415 V motor of any make any size all complete as per sample complete all as specified and directed by Engineer-in-charge.

S&F in repair of overload relay complete same as per existing capacity for the following:-

S&F Electronic motor protection relay having overload/phase loss /locked rotor/phase revesal/Current unbalance/ short circuit/under current /earth fault protection complete all same as per existing capacity for the following:-

S&F Electronic/block star delta timer (0-60 Second) complete all same as per existing capacity complete all as specified and directed by Engineer-in-charge.

S&F Add ON Block 1 NO+ 1 NC complete all same as per existing capacity complete all as specified and directed by Engineer-in-charge.

S&F in repair Push button for start & stop operation of Motor starter complete all same as per existing capacity complete all as specified and directed by Engineer-in-charge.

Taking down of RYB phase indicator and repair/renewal of RYB phase indicator of any size and any type of LT Panel complete all as specified and directed by Engineer-in-charge.

Digital Voltmeter 0-500 V

Digital Ammeter 0-200 A

Ammeter CT type 0-300 A

Aluminium Busbar as per existing

Cable lugs as per existing

Supply and fixing including taking down of following items:-

MCCB, 100 Amps, four pole,16 KA, 415 volt

MCCB 125 Amps, 4 pole, 16 KA, 415 volt

MCCB, 160 Amps, four pole, 16 KA, 415 volt

MCCB, 200 Amps, four pole, 25 KA, 415 volt

MCCB, 250 Amps, four pole, 25 KA, 415 volt

MCCB, 400 Amps, four pole, 36 KA, 415 volt Note for Item No 28:- ICS = ICU =100%

Supply, laying and fixing or passing through pipes, ducts or laid under floor of through walls etc jointing and testing LT PVC insulated, PVC sheathed electric cable 1100 volt grade (heavy duty) with copper conductor and over all served with an outer sheath of PVC from panel to motor including providing copper lugs as per site requirement along with taking down old cable of following sizes as specified and directed by Engineer-in-charge.

70 Sqmm single core

35 Sqmm single core.

25 Sqmm single core.

16 Sqmm single core.

10 Sqmm single core.

Lifting of submersible pump set of 10/20/33 HP capacity from deep bore well with connected cable and column pipes of 3M length with flange end 3"/2'' dia appx 40 to 45 Nos per bore well and disconnecting the cable for removing the submersible pump set for carrying out necessary repairs all as directed by Engineer-in-charge.

Lowering of submersible pump set 10/20/33 HP in bore well with connected cable & column pipes, re-assembling column pipe of 3M long with flange ends 3"/2'' dia appx 40 to 45 Nos and testing and commissioning of pump set after repairs including rectification of any leakage to the entire satisfaction of Engineer-in-charge.

M&L for repairs to submersible pumping set 20/33 HP by dismantling pumps and motor carrying out required repairs to pump by machines ie grinding/polishing reassembling after renewal of all worn out spare parts, cleaning and refixing with motors with required coupling etc complete testing all as specified & directed by Engineer-in-charge. (Note :- Rewinding of motor & renewal of parts will be measued & paid separately.

M&L for repairs to submersible pumping set 10 HP by dismantling pumps and motor carrying out required repairs to pump by machines ie grinding/polishing reassembling after renewal of all worn out spare parts, cleaning and refixing with motors with required coupling etc complete testing all as specified & directed by Engineer-in-charge. (Note :- Rewinding of motor & renewal of parts will be measued & paid separately.

M&L for repairs to submersible pumping set 03 HP by dismantling pumps and motor carrying out required repairs to pump by machines ie grinding/polishing reassembling after renewal of all worn out spare parts, cleaning and refixing with motors with required coupling etc complete testing all as specified & directed by Engineer-in-charge. (Note :- Rewinding of motor & renewal of parts will be measued & paid separately.

M&L for rewinding of AC 3 Phase induction motor of 20/33 HP capacity (Submersible motor) by cutting of burnt out winding, cleaning of starter slots, cleaning, bleaching of motor and rewinding with appropriate gauge of PVC insulated copper winding wire including all required parts complete all as specified & directed by Engineer-in-charge.

M&L for rewinding of AC 3 Phase induction motor of 10 HP capacity (Submersible motor) by cutting of burnt out winding, cleaning of starter slots, cleaning, bleaching of motor and rewinding with appropriate gauge of PVC insulated copper winding wire complete including all required parts complete all as specified & directed by Engineer-in-charge.

M&L for rewinding of AC 3 Phase induction motor of 03 HP capacity (Submersible motor) by cutting of burnt out winding, cleaning of starter slots, cleaning, bleaching of motor and rewinding with appropriate gauge of PVC insulated copper winding wire complete including all required parts complete all as specified & directed by Engineer-in-charge.

Supply & fix spare parts against Item No 32 above with the following spares parts of pump of submersible pump set suitable for 20/33 HP pump :-

Impeller

Stage bowl

Bowl fixing steel bolt and nut with washer

Bearing sleeve

Shaft nut with washers

Bearing bush suitable

(g) Neck ring suitable

Casing wear ring

Strainer

Shaft seal

Stage gasket

Supply & fix spare parts against Item No 33 above with the following spares parts of pump of submersible pump set suitable for 10 HP pump :-

Impeller

Stage bowl

Bowl fixing steel bolt and nut with washer

Bearing sleeve

Shaft nut with washers

Bearing bush suitable

Neck ring suitable

Casing wear ring

Strainer suitable

Shaft seal suitable

Stage gasket

Supply & fix spare parts against Item No 32 above with the following spares parts of moror of submersible pump set suitable for 20/33 HP motor :-

Thrust bearing plate

Assembly for coupling sleeve

Winding protector set

Motor bearing bush

Drain plug

Sand Guard

Key for thrust plate

Supply & fix spare parts against Item No 33 above with the following spares parts of moror of submersible pump set suitable for 10 HP motor :-

Thrust bearing plate

Assembly for coupling sleeve

Winding protector set

Motor bearing bush

Drain plug suitable

Sand Guard

Key for thrust plate

Supply & fix spare parts against Item No 34 above with the following spares parts of moror of submersible pump set suitable for 03 HP motor :-

Thrust bearing plate

Assembly for coupling sleeve

Winding protector set

Motor bearing bush

Drain plug suitable

Sand Guard

Key for thrust plate

Renewal of Heavy duty terminal plate made of bakelite suitable for electric motor of capacity 60 to 180 HP with brass nuts of suitable size best quality as approved by GE complete all as specified and directed.

Renewal of Terminal plate cover made of CI for fixing over the terminal plate with cover for 60 to 180 HP electric motor best quality as approved by GE complete all as specified and directed.

Supply, install, testing and commissioning of LT motor control panel AC 415 V, 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle, fully compartmentalized type, weather proof, protection IP 52, suitable for indoor use, with bottom cable entry with suitable cable glands structure made of 2.00 mm thick CRCA steel sheet with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted to PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter and MCCBs , with sloping canopy at top, double hinged doors at front and back with suitable locking arrangement, Provision of louvers at sides, structure treated under 8 - tank metal treatment process and duly powder coated with 100A electrical grade copper bus bar for phases and neutral complete with suitable digital type meters resin cast CTs, CPRI approved, internal wiring all including the following incoming complete all as specified and directed :-

S&F rubber insertion gasket suitable for 3"/2" dia flange complete all as specified & directed by Engineer-in-charge.

S&F 1/2" MS bolt 2" long full threaded with 2 washers and nut complete all as specified & directed by Engineer-in-charge.

M&L in replacement of GI column pipe heavy grade 3M long 3" bore with welded heavy duty flanges at both ends including a coat of anticorrosive paint complete all as specified & directed by Engineer-in-charge.

M&L in replacement of GI column pipe heavy grade 3M long 2" bore with welded heavy duty flanges at both ends complete including a coat of anticorrosive paint all as specified & directed by Engineer-in-charge.

S&F in repair submersible cable PVC insulated and PVC sheathed industrial 1100 Volts grade multistranded copper conductor of size 10 Sqmm flat 3 Core complete all as specified & directed by Engineer-in-charge.

Material and labour for cross arms, bracing supports, clamps fabricated out of structural steel such as ISMC, angle iron, flat iron sections including hot galvanised nuts & bolts, washers for single and two pole structure welding, bending cold or hot, drilling holes for bolts, in any shape or size as specified and including of one under coat and finishing coat with aluminium paint over a coat of red oxide primer. Note:- Design should be approved by Engineer-in-charge prior giving orders for manufacturing the items.

M&L plain cement concrete (1:2:4) type B2 (using 20mm graded stone aggregate) in foundations, filling and mass concrete for foundation of motor pump set of any size and capacity complete by using 10mm thick MS Sheet of approprite size and welding proper size and length of bolt and nut in foundation for avoiding vibration at the time of operation of motor pump set complete with demolition of existing foundation and considering of alignment of motor pump set complete all as specified and directed by Engineer-in-charge. Note :- Rate quoted by the contractor shall deemed to inclusive of necessary form work.

M&L for painting of following capacity monoblock/centrifugal with foundation (base plate to be scratched and painted) painting (all as per colour code specified) by one coat of synthetic enameled paint after cleaning and preparing surface for painting and testing complete at site on full load all as directed by Engineer-in-charge.

M & L Earthing complete with copper plate 60×60cm ×3.15mm thick electrode and 20×3mm copper strip as earthing lead, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level,connected by means of brazing at bolts, nuts, check nuts and washers of copper all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including all necessary earth work, excavation, earth chamber with PCC 1:3:6, Type C1 and RCC chamber cover of PCC 1:2:4 with handle and 20 mm dia GI watering pipe with funnel and wire mesh etc and testing on complete all as specified and directed by Engg-in-Charge.

[i]. Excavation & earth work in any type of soil including removing of surplus material upto 100M [ii]. PCC (1:3:6) type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC (1:2:4) type B1 cover 50x50 cm with 8mm round bar @ 15 cm C/C both ways. [iii]. Main earthing strip from earth electrode to test point upto 7.5 mtr. [iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs and charcoal & salt as reqd. [v]. GI protection pipe of size 40 mm bore light grade 7.5m.

M & L bore earthing not less than 250 mm dia 16 feet deep filled with black soil up to 7 feet from bottom complete with galvanized iron pipe 40 mm bore medium grade 3 meter long tapers at bottom & provided 12 mm holes (staggered) at 75 mm centre to centre up to 2.5 meter of length from bottom , burried directly in ground filled with 45 cm alternate layer of chemical magnisium sulphate & salt up to ground levl connected to galvanized iron strip 25 x 4 mm as earthing lead by means of bolt and nut, check nuts and washer of galvanized iron or steel including brazing work and 40mm dia light grade pipe for earth lead protection and testing including all necessary earth work, excavation, earth chamber with PCC 1:3:6, Type C1 and RCC chamber cover of PCC 1:2:4 with handle and 20 mm dia GI watering pipe with funnel and wire mesh etc and testing on complete all as specified and directed by Engg-in-Charge. (NOTE:-GI earth strip and protection pipe beyond 7.5m will be measured and paid separately)

[i]. Excavation & earth work in any type of soil including removing of surplus material upto 100M [ii]. PCC (1:3:6) type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC (1:2:4) type B1 cover 50x50 cm with 8mm round bar @ 15 cm C/C both ways. [iii]. Main earthing strip from earth electrode to test point upto 7.5 mtr. [iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs and charcoal & salt as reqd. [v]. GI protection pipe of size 40 mm bore light grade 7.5m.

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in pipe and fixed to motor/Panel or any other equipment with copper strip of 20x3 mm size including taking down existing copper strip of any description complete all as specified and directed Engg-in-Charge. Note :- Earth strip beyond 7.5m length shall only measured under this item.

M&L for main earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in pipe and fixed to motor/Panel or any other equipment with galvanised strip 25x4 mm including taking down existing galvanised strip of any description complete all as specified and directed Engg-in-Charge. Note :- Earth continuity conductor beyond 7.5m length shall only measured under this item.

M&L sign board and fixed on suitable iron structure of Size (120X75 CM) with writeup and colour as specified by Engineer-in-charge in bold letters alongwith provison of 02 Nos 20W led tube rod inside fully enclosed fixed with screw on MS pipe 40mm bore with PCC (1:2:4) in foundation and sign board bottom about 5 feet above ground level including taking down existing sign board complete all as specified and directed by Engr-In-Charge. Note: (i) Dimensions and colour of sign board to be discussed with Engr-In-Charge before placing order. (ii) Rate quoted shall deemed to inclusive of MS sheet, MS pipe, painting, writting letter & PCC for foundation earth work & excavation etc for fixing.

S&F ultrasonic level transmitter IP 67, 8 meter range 2 wire with complete set up of submersible type water level sensor, where sensor gives output of 4 to 20 mA and this is being connected to transmitter to show water level. Transmitter is designed to show water level in the tank which will be in meters and also it will show available water quantity in gallons. Transmitter will have two relays and out of this relay 1 is set for upper level and relay 2 is set for lower level of water in tank. Output of relays canbe connected to hooter as alarm . Display wiil be of LCD and size will be 20x4, where in water level as well as water quantity will be displayed, material PVDF, aluminium housing PU painted, top mounting including bracket complete with panel comprising of SMPS NHP 24 DC, 3 Amps and MCB SPN and anything else required for making level sensor operational and

ITEM No. 59.00 CONTD... provision for fixing 4 digit 7 segment LED display complete testing/calibration for indiacting water level inside OHT(any capacity)/UG sump (any capacity) etc including taking down unserviceable existing ultra sonic sensor complete all as specified and directed by Engineer-in-Charge. Make :- SBEM (ultramate 136-ULT)/ Bamo electronics or equivalent in Appx 'C' list of make. Note: - Labours safety shall be contractors responsiblity including protective gears for OHR.

S&F 2 core 1.0 Sqmm copper conductor complete fixing /saddling/ laying in ground and connecting to level transmitter(OHT/UG sump) at any height and including taking down unserviceable existing cable complete all as specified and directed by Engr-in-Charge.

M&L for preparation of old brokage door by applying welding, painted surface of steel / iron of LT motor starter panel of any capacity by scaping with emery/sand paper,brushing, cleaning, staining grease/oily spots with thinner and applying two coats of superior quality synthetic enamel paint with spray machine over a coat of primer complete all as specified and directed.

M&L for preparation of old painted suction & delivery pipeline of any capacity by scaping near pumphouse with emery/sand paper,brushing, cleaning, staining grease/oily spots with thinner and applying two coats of superior quality synthetic enamel paint complete all as specified and directed.

M&L for measuring exact depth of borewell by lowering 1/4" dia wire rope with its rolling stand all as specified and directed by Engr-in-charge.

Redevelopment of Tube well by air compressor upto10 kg/cm2, (400 to 600 cfm) including cleaning through the borewell up to the bottom by applying compressed air through air pipes up to the time clear potable water obtained (The borewell shall be developed either by surging including washing and back washing with an air lift/down continously Minimum 24 Hrs) all as per directed by Engr-in-charge.

S&F board printed on Flex sheet, size of board 145cm x 75cm for Pump House contents written in and the size of letter not less than 15 mm height) on wooden base fixed with screw on wall including taking down existing board complete all as specified and directed by Engr-In-Charge.

M/s Shree Construction Company (BID ID -3139652)