REPAIR/MAINT OF ELECTRIC MOTOR AND PUMP SETS AND CONNECTED WORKS IN TECH AREA AT AF STN MAHARAJPUR

Amount

Disconnecting, dismantling & taking up/down AC electric motors of any description and in any position from existing foundation of compressor/blowers/pumps/ cooling tower strip opening and dismantling of motor for servicing /overhauling, cleaning oiling/greasing and fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling motors, ensuring proper alignment of the motor with existing compressor / pumps/blower/cooling tower, fixing in position connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities :-

1 HP to 5 HP single phase 50 Hz

7.5 HP to 12.5 HP Three phase 50 Hz

15 HP to 20 HP Three phase 50 Hz

30HP to 40HP Three phase 50 Hz

60 HP Three phase 50 Hz

Disconnecting, dismantling & taking up/down pump set and monoblock pump sets of AC plant of any description and in any position from existing foundation, strip opening and dismantling of Pumps for servicing/overhauling, cleaning oiling/ greasing and fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the pumps ensuring proper alignment of pump, fixing in position connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities :-

0.5 HP to 3 HP single phase 50 Hz

5.0 HP HP Three phase 50 Hz

7.5 HP HP Three phase 50 Hz

10 HP to 12.5 HP Three phase 50 Hz

20.0 HP to 30.0 HP Three phase 50 Hz Notes Serial item No 1 & 2 :- (i) The replacement of defective / nonfunctional parts shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing charges for new items are deemed to be included under respective item of overhauling and servicing mentioned hare in before. (ii) Burnt out windings replaced, shall be measured and paid for separately under appropriate item of Sch ‘A’ for rewinding. (iii) The rates for above items are deemed to include for transportation to & from of pumps/ motors to workshop as approved by Engineer-in-charge for necessary repairs, alignment and testing of pump and motors at workshop & replacement of necessary unserviceable screws/nuts/bots/washers/ packing etc with new one (iv) Re-metaling of side cover of motor and machinery, polishing for housing of bearing all as required at site for smooth and noiseless movement of rotor impeller shall be measured and paid for separately under appropriate item of Schedule `A’. (v) Re-metaling to pump shaft, polishing and grinding and making to standard size to match with GM Bushes / Neck ring shall be measured and paid separately under appropriate item of Sch`A’

Taking out & removing old burnt out windings and rewinding of electric motors of following sizes with existing size copper super enameled wire including insulating material such as illuminous paper, Leatherized paper, cotton tape, glass sleeving, insulating varnish etc testing for the following capacities covered vide item 8 and 9 :- NOTE : Taking down of motor, its servicing & overhauling, fixing on foundation in position, connecting and testing is deemed to be included in the respective item No 1 and 2 of Schedule `A' herein before.

0.5 HP to 1.5 HP single phase 50 Hz

2.0 HP to 3.0 HP Three phase 50 Hz

5.0 HP Three phase 50 Hz

7.5 HP Three phase 50 Hz

10 HP to 12.5 HP Three phase 50 Hz

15 HP Three phase 50 Hz

20 HP to 30 HP Three phase 50 Hz

40 HP Three phase 50 Hz

60 HP Three phase 50 Hz NOTE : - Bearing, Bush, Condenser, terminal plates etc will be measured and paid for separately under appropriate item of this Schedule.

Supply only ball Bearing/Roller Bearing of the following Sizes complete all specified and directed by the Engineer-in-Charge.

NU 313ECPC-3

NU 314 ECJC-3

Supply only gun metal bushes suitable for following capacity of pumps of any make/model :-

02 to 05 HP Pump

7.5 to 12.5 HP Pump

15 to 20 HP Pump

Supply only of MS star coupling L – 190 for pump and Motor or as approved by GE. Note :- Fixing/ testing charges of these items are deemed to be included in the rates quoted by the contractor for respective Sch ‘A’ item Nos 1.00 and 2.00 herein before.

Supply only neck ring of Gun metal for suction side of pump suitable for following capacity of pumps of any make/model:-

5 to 12.5 HP, three phase, 50 Hz

20 to 30 HP, three phase, 50 Hz

Supply only cast iron gland plate for pumps suitable for following capacity of pumps of any make/model:-

5 to 12.5 HP, three phase, 50 Hz

20 to 30 HP, three phase, 50 Hz

Supply only gland bolts made out of high carbon forged steel complete with nuts & washers suitable for following capacity of pumps of any make/model :

5 to 12.5 HP, three phase, 50 Hz

20 to 30 HP, three phase, 50 Hz

Supply only pump shaft all as specified & directed by Engineer-in-Charge, suitable for following capacity of pumps of any make/model :

5 to 12.5 HP, three phase, 50 Hz

20 to 30 HP, three phase, 50 Hz

Supply only of rotor motor shaft all as specified & directed by Engineer-in-Charge, suitable for following capacity of pumps of any make/model:-

5 HP, three phase, 50 Hz

7.5 HP, three phase, 50 Hz

10 HP, three phase, 50 Hz

12.5 HP, three phase, 50 Hz

20 to 25 HP, three phase, 50 Hz

Supply only pump impeller CI suitable for following capacity of pumps of any make/model:-

5 to 12.5 HP, three phase, 50 Hz

20 to 30 HP, three phase, 50 Hz

Disconnecting and taking down existing unserviceable terminal plate of any description and in any position supply and fixing terminal plate, 3 phase, six wire, bakelite, star delta connection as required at site with brass studs, two nuts and two washer complete all as specified and directed for the following capacity of motors : -

1 HP to 3 HP

5 HP to 10 HP

12.5 HP to 25 HP

30 HP to 50 HP

60 HP to 75 HP

Disconnecting and taking down existing unserviceable condenser & supply and fixing new condenser, 10 mfd, 400 volt grade suitable for single phase motor complete all as specified and directed.

Re-metaling and re-fabrication of bearing housing side cover to suitable shape & size, both side and taking out broken/rusted alen key bolt by drilling and gas cutting including S&F new (Set of 4) Alen key bolt as per existing size complete all as specified and directed for following capacity of motor :-

5/7.5 HP, 3 Phase (any make)

10 HP to 12.5 HP, 3 Phase (any make)

20/30 HP, 3 Phase (any make)

Repair to stator body by Re-metaling brazing & turning on lathe Machine both side with matching of bearing housing cover complete all as specified and directed for following capacity of motor:-

5/7.5 HP, 3 Phase

10/12.5 HP, 3 Phase

20/30 HP, 3 Phase

Re-metaling of Pump shaft/motor shaft of any description & in any position, making to standard shape & size grinding & polishing to match with existing system complete all as specified & directed for the following capacity of motor :-

1 HP to 3 HP

5 HP to 10 HP

12.5 HP to 25 HP

30 HP to 40 HP

60 HP to 75 HP Note for item No. 4.00 to 17.00 :- Fixing/ testing charges of above items is deemed to be included in the rates quoted by the contractor for respective Sch ‘A’ item Nos 1.00 and 2.00. herein before.

Dismantling and taking down/removing of damaged fan blades of any description and in any position from electric motors all as directed and Supply and fixing Fan blades fabricated to shape and size of Zink Aluminum cast alloy as per sample for electric motor with key and key grove complete all as directed for the following capacity motors :-

S&F in repair including testing of fully automatic star delta motor starter of motor rating AC 3 duty, 415 V having maximum relay range 45-75 Amps for motor of capacity 75 HP (55KW) complete all as specified and directed Make :- Siemens/BCH/C&S

Supply and fixing of Aluminium fan set with hub sweep 1500 mm & 4 blades complete all as specified and directed suitable for capacity of AC plants :-

up to 20 TR

S&F of contactor MNX 9 Amp with 1 NO+1NC auxilary contacts complete all as specified and directed

S&F of contactor MNX 12 Amp with 1 NO+1NC auxilary contacts complete all as specified and directed

S&F of contactor MNX 16 Amp with 1 NO+1NC auxilary contacts complete all as specified and directed

S&F of contactor MNX 18 Amp with 1 NO+1NC auxilary contacts complete all as specified and directed

S&F of contactor MNX 32/40 Amp with 1 NO+1NC auxilary contacts complete all as specified and directed

S&F in repair single phase preventor auxilary volts 415 volts suitable for 3 phase AC supply complete all as specified and directed Make Minilec type VSP-D1 or equivalent of other specified makes,

S&F in repair including testing of electronic timer, time range from 3 seconds to 120 seconds suitable for 240/415 volts 50 HZ complete all as specified and directed

Suppling, fixing,laying and testing of PVC insulated heavy duty copper conductor cable of following size suitable upto 1100 volts grade confirming to IS 1554 including disconnecting, dismantling & taking out old one existing unserviceable cables complete all as specified and directed

10 sqmm 3 core

6 sqmm 3 core

S&F in repair copper Lugs/terminal heavy duty of the following size complete all as specified and directed

S&F in repair including testing of DOL motor starter 7.5 HP capacity, 415 Volts, 3 phase, 50 Hz AC supply, in sheet steel enclosure three phase with maximum relay range of 9-15A fixed on wall of appropriate size fixed with suitable MS nut bolts/screws complete all as specified and directed.

Disconnecting & taking out corroded / unserviceable existing condenser water pipe line of any description and in any size and supply & fixing galvanized iron pipe medium grade for water pipe line with and including all fittings & fixtures of the following sizes complete all as specified and directed.

40mm bore pipe line.

50mm bore pipe line.

80mm bore pipe line.

100mm bore pipe line.

200mm bore pipe line.

Disconnecting & taking down corroded / unserviceable existing structural MS foundation frame of condenser pumps/motors of any description and in any position and material & labour for fabrication of MS frame and fixed on existing foundation for fixing condenser / chiller pump with and including necessary welding work and suitable nut and bolts complete all as specified and directed.

Taking up or down cast iron butterfly valve/sluice valve of any description and supplying, fixing and testing new valve complete all as specified and directed of following bores in existing pipe line after necessary cleaning etc. :-

40 mm bore

50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

S&F in repair testing push button unit for relay complete all as specified and directed.

S&F in repair including testing LED indicator 22.5mm suitable for operating at 240/220 volts complete all as specified and directed.

S&F in repair including testing of the MCCB of following capacity and description with thermal megnetic release 415 volts complete all as specified and directed.

63 Amp 3 pole breaking capacity lcu=25 KA

100 Amp 3 pole breaking capacity lcu=25 KA

100 Amp 4 pole breaking capacity lcu=25 KA

160 Amp 3 pole breaking capacity lcu=35 KA

160 Amp 4 pole breaking capacity lcu=35 KA

250 Amp 4 pole breaking capacity lcu=36 KA

400 Amp 4 pole breaking capacity lcu=50 KA

630 Amp 4 pole breaking capacity lcu=50 KA

Disconnecting, dismantling & taking up/down AC centrifugal pump sets of any description and in any position from existing foundation, strip opening and dismantling of Pump for servicing/overhauling, cleaning oiling/ greasing and fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the pumps ensuring proper alignment of pump, fixing in position connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities :-

7.5 HP to 12.5 HP three phase 50 Hz

10 HP to 20 HP Three phase 50 Hz

Material and labour for earthing complete with galvanized steel earth plate electrode 600mm X 600mm X 6mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI strip 32x6mm main earthing lead by means of galvanized bolts, nuts and washers all as shown in electrical plate no 3 of MES Schedule Part-I (2009) with connected to earth test point & to main switch board /panel etc. all as specified and testing on completion with and including necessary excavation and earth work in any type of soil, earth electrode, earthling lead from electrode to equipment/substation/panel etc, adequate quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 (using 20mm graded black trap/granite/Basalt stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded black trap/granite/Basalt stone aggregate) 40mm thick cover reinforced with 8mm dia TMT bars 3 Nos both way with 8mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel and wire complete all as specified & directed by Engineer-in-Charge. Note:- (i) The cost of earth lead and its protection pipe upto including 7.5 m only from the top of earth electrode are included under this item.( ii) Any joint in the earth lead from earth electrode to test point shall not be allowed/permitted.

M&L for painting of pumping set with electric motor with 2 coats of synthetic enamel paint including scrapping of old paint colour code as directed of following capacities :-

Upto 7.5 HP`

M&L for painting of MS pipe with 2 coats of synthetic enamel paint including scrapping of old paint colour code as directed including making of arrows on pipe of following sizes (dia in mm) :-

Dismantling and taking out old unserviceable centrifugal pump and Supply and fixing Centrifugal pump with head -35.5 Mtr, Discharge - 16 Cum/hr complete all as specified and directed. Make :- Kirloskar model No. DB-80*16 or equivalent

Supply & Fixing cooling tower motor flanged type with extended shaft 5HP & 950 RPM complete including testing complete all as specified and directed. Make :- Sabar/Kirloskar/CG

Supply & Fixing Mono Block pump self priming with electric motor up to 3 HP single phase 230 volts 50 Hz 1400 rpm complete including testing complete all as specified and directed. Make :-Kirloskar/CG

Supply & Fixing Mono Block pump self priming with electric motor up to 5 HP three phase 415 volts 50 Hz 1400 rpm complete including testing complete all as specified and directed. Make :-Kirloskar/CG

m/s A.A brothers

anand enterprises

NITIN TRADERS

Shiva Traders

JNK BOND