REPAIRS AND ROUTINE MAINT OF CENTRAL PACKAGE AC PLANTS AT VARIOUS CENTRES INCLUDING MANNING AND OPERATION OF AC PLANTS AT NAVAL DOCKYARD MUMBAI UNDER GE NW KUNJALI COLABA MUMBAI

Amount

Sch A PART- I (MANNING AND OPERATION) Manning & operation of 02 Nos (two numbers) Central AC Plants in one shift per day ((i.e 0900 to 1700 Hrs) operated by one Refrigeration Mechanic including maintaining periodical records (ie daily check, monthly, quarterly and half yearly) run at a time two compressors and other two and one are stand by for smooth functioning of entire system of Centres and to maintain the specific temperature 20+2ºC, RH 50+- 5% run for 8hrs daily except Sunday and Holiday and taking care of cleaning , any pilferage, theft or damage etc complete all as specified and directed by Engr-in-Charge,central AC plants installed at (i) 2 x 30 TR capacity Make Voltas, Model 5H120 & (ii) 2x 30 TR Make Accel at Naval Dockyard (C.NO.70/ MMER Ist floor)

Manning & operation of Central AC Chiller Plant of 3 x 100 TR capacity (C.NO.54/Wecors, Main bldg 1st Phase, Gr. floor, East Wing run at a time two compressors and other one is stand by for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% , 8hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) with one AC plant operator ( Ref/Mech) per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central AC Plant of capacity 80 Ton (4 x 20 TR capacity) at Naval Dockyard C. No 51 /Wecors ARF Bldg, Ventillation Plant at Terrace, run at a time three compressor and other one is stand by for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% , 08 hrs daily except Sunday and Holiday in one shift.(i.e 0900 to 1700 Hrs) with one AC plant operator ( Ref/Mech) per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central AC Chiller Plant 6x 135 TR capacity, Make : York at C. No 51 /Wecors ARF Bldg, Chiller Plant run at a time three compressors and other are stand by for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% 08hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator ( Ref/Mech) per shift and taking care cleaning , any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of 03 Nos Central Chiller AC Plants 3 x 25.4 TR capacity each plant at C. No 43 /MECI Plant No 1, 2 & 3 IInd Floor run at a time two compressors and other one is stand by of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% , 08hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator ( Ref/Mech) per shift and taking care of cleaning , any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central AC Plants 3x 30 TR capacity each at C. No 29 /MAST 3rd Floor run at a time two compressors and other one is stand by of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% , 08hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator ( Ref/Mech) per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central Chiller AC Plants 3x37.7 TR capacity each at C. No 25 /MOUT run at a time two compressors and other one is stand by of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% 08hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of following 02 Nos (two in numbers) (i) Central AC Plants 3x 40 TR capacity Make Blue Star and (ii) Package AC plant 3x 7.5 TR Make Blue Star Model PAW installed at C. No 32 /MDAG (Main Office)1st Floor & Test House of C. No 32 /MDAG run in one shift per day (shift 08 hrs) each operated by one Refg Mech except including periodical (ie daily check, monthly, quarterly and half yearly) central AC plant run at a time two units of eah plant and other two and one are stand by for smooth functioning of entire system of Centres and to maintain the specific temperature 20+2ºC, RH 50+- 5% run for 8hrs daily except Sunday and Holiday in one shift.(i.e 0900 to 1700 Hrs) one AC plant operator per shift and including taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of following 02 Nos Package AC Plants 2x 7.5 TR & 3x 15 TR capacity at C.No 48 /MEPS Ist Floor Near SSK & C.No 48 /MEPS Ist Floor Near Workshop (one & two units run at a time of both plant and other one is stand by of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% AC plant consists of the items fitting/ fixtures/ device components for operation 08hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central AC Plants 3x 10 TR capacity each at C. No 36 /MRAC (Instrumentation Bay) Ground Floor, two units run at a time (two compressors and other one is stand by) of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% 08 hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central AC Plants 3x 15 TR capacity each at C. No 33 /MDAG (GT fuel & Pressure Test Bay)1st Floor, two units run at a time (two compressors and other one is stand by) of each plant for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% 08 hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Manning & operation of Central chiller type AC Plant 2X 40TR capacity each at C. No 51 /Wecors Main Slog, Phase - 1, Ground Floor run in single shift daily for smooth functioning of entire system and to maintain the specific temperature 20+2ºC, RH 50+- 5% 08 hrs daily except Sunday and Holiday in one shift.(i.e 0900 To 1700 Hrs) one AC plant operator per shift and taking care of cleaning, any pilferage, theft or damage etc complete all as specified and directed Engr-in-Charge.

Sch A PART- II Material and labour for dismantling condenser connections for descaling, plugging them and providing 15 mm bore tee outlet for local circulation of mild acid solution in the condenser (separate container and small pump set to circulate mild acid solution through the condenser tubes). The PH value of solution shall be 4 and it shall be checked frequently i.e. every 1 hour during the operation. The Scalgun WS solution or equivalent solution as approved by the GE shall be used for descaling purpose. After 2 to 3 hours of cleaning, if the PH value remains less than 7, flush with fresh water and clean condenser. After above process, both side end covers shall be opened and condenser tubes shall be cleaned with Nylon brush, subsequently after closing the end covers, circulate mild acid solution as specified above and PH value shall be maintained as above, flushing the same with fresh water including recharging of stored refrigerant upto required pressure complete all as specified and directed Engr-in-Charge for condensor of AC Plant 2 x 240 TR capacity (C.NO.51/Wecors,Gr. floor, East Wing, NAVAL DOCKYARD,). Notes: The quoted rates shall also be deemed to include the following elements :- (a) The solution shall be warmed upto 35 Degree Celsius. (b) During the entire process of cleaning, the PH value of water shall be 7. (c) Provision of solution for descaling, rubber gaskets, washers, nuts, bolts etc as directed.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 3x120 TR Capacity, C.No.51/Wecors, ARF bldg.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 3x100 TR Capacity, C.No.54/Wecors, ARF bldg.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 2x80 TR Capacity, C.No.51/Wecors, ARF bldg.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 1x40 TR & 2x40 TR Capacity, CNo 19 MOUT & C.No.25/MOUT, C.No.51/Wecors, Main Slog,Gr. Floor

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 1 x 12.5TR Capacity , C.No.85/Wecors, Phase-IV, 1 floor.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 3x30 TR Capacity, C.No.29/MAST, 3rd floor.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 1x25 TR Capacity, C.No.51/Wacors, 1st floor.

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 3x10 TR Capacity, C.No.36/MRAC, Gr.floor (Instrumantation bay).

-diito- all as per item No.13.00 hereinbefore but for Condenser of AC Plant of 2x18 TR Capacity, C.No.43/MECI Plant No.1, 2nd near Auto Control Bay floor (Instrumantation Bay).

-diito- all as per item No.13.00 here in before but for Condenser of AC Plant of 3x20 TR & 2 x20 TR Capacity, C.No.43/MECI Plant No.2, 2nd near Electric Bay floor (Instrumantation Bay). And C No- 70 (Ist Floor)

Disconnecting unserviceable burnt motor from base of compressor or water pump set after disconnect of all electric connections and removing for re-winding the burnt electric motor capacity 75/100/125 HP, 3 phase, 50Hz, 415 Volts, rewinding with ISI marked new super enameled copper winding wire of existing gauge from approved workshop, replacement of un serviceable front and rear bearings including loading, unloading and transportion to and fro Workshop & Plant including varnishing, heating for drying, testing on load complete after completion of rewinding work and back to installation including refixing, alignment the motor at its original location and electric connection complete all as specified and directed Engr-in-Charge. NOTES: The quoted rates shall also be deemed to include the following elements:- (a) Disconnecting & removing the electric motor from installed position including loading, unloading and transporting to approved workshop. (b) Dismantling the existing burnt winding from the motor including winding with new super enamelled copper winding wire of existing gauge, also including provision of all insulating material such as insulation paper, sleeves, tape, varnish etc complete in all respects for class ’F’ insulation. (c) Transporting the motor back to the location, reinstalling in original position including making alignment, electric connection etc complete, commissioning and testing for 8 hours continuously to check the RPM to the satisfaction of Engineer-in-Charge. (Note : Any damage caused during handling and rewinding etc will be made good by the contractor at his own cost). (d) The existing motors are installed at , NAD Mine Workshop & Wacors ARF Bldg

-ditto- all as per item No.14.00 above but 175/200/220 HP capacity motor

-ditto- all as per item No.14.00 above but 30/ 40/45 HP capacity motor

-ditto- all as per item No.14.00 above but 20/25 HP capacity motor

-ditto- all as per item No.14.00 above but 10 /15 HP capacity motor.

-ditto- all as per item No.14.00 above but 7.5 HP capacity Motor.

-ditto- all as per item No.14.00 above but 5 HP capacity Motor.

-ditto- all as per item No.14.00 above but 3 HP capacity Motor.

-ditto- all as per item No.14.00 above but 2 HP capacity Motor.

Dismantling of Monoblock pump of under mentioned capcity from connected suction/delivery pipes and electric connections etc, taking to workshop, overhauling of the same and replacing unserviceable spares/parts/components, bearings bushes, cleaning of brass impeller or replacement of u/s impeller, greasing reassembling, bringing providing packing necessary nuts & bolts etc and reconnecting, recommissioning and testing for smooth functioning. (Notes: Cost of all the elements (material cost as well as labour cost) for making the pumps completely functional except the following shall be deemed to be included in the quoted rates:

20 to 25 HP Capacity

10 to 15HP Capacity

5.0 to 7.5 HP Capacity

2.0 to 3.5 HP Capacity

M&L for repair/overhauling and including replacement of unserviceable spares of AC Plant compressor reciprocating type model SMC 6-65 of ACCEL Make by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and segregate of serviceable and unserviceable spares overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembling complete and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil and gas, testing for smooth functioning etc complete all as specified and directed Engr-in-Charge. Location :C.No.29/MAST,3rd Floor, behind CHF workshop (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only spares for compressor reciprocating type model SMC- 6-65, Make : ACCEL included under item Nos 16.01 to 16.17 here-in-after. (b) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required and paid under relevent item here-in-after. (c) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after.

Crank shaft Cat Part No 20-F

Piston Cat Part No 20-H

Oil rings Cat Part No 20-H/1

Shaft seal assembly Cat Part No 21

Liner assembly Cat Part No 20-A To J

Oil pump assembly Cat Part No 23

Rockers arm Cat Part No 24

Loader/unloader spring Cat Part No K-58

Piston rings Cat Part No U-10

Suction valve reeds Cat Part No 25-A To X

Discharge valve reeds Cat Part No 17-B

Oil filter Cat Part No 17-C

Suction strainer Cat Part No 17-D

Oil pressure regulating valve Cat Part No 20-F

Connecting rod Cat Part No 18-A To F

Gasket set Cat Part No 18-B

Compressor safety valve Cat Part No 18-D

M&L for repair/overhauling and including replacement of unserviceable spares of AC Plant compressor reciprocating type model SMC 4-65 of ACCEL Make by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and segregate of serviceable and unserviceable spares overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembling complete and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil and gas, testing for smooth functioning etc, complete all as specified and directed Engr-in-Charge. Location :C.No 70 (MMER ,2nd Floor/ C.No 36 MRAC Gr Floor (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only spares for compressor reciprocating type model SMC- 4-65, Make : ACCEL included under item Nos 17.01 to 17.17 here-in-after. (b) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required and paid under relevent item here-in-after. (c) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after.

Crank shaft Cat Part No 20-F

Piston Cat Part No 20-H

Oil rings Cat Part No 20-H/1

Shaft seal assembly Cat Part No 21

Liner assembly Cat Part No 20-A To J

Oil pump assembly Cat Part No 23

Rockers arm Cat Part No 24

Loader/unloader spring Cat Part No K-58

Piston rings Cat Part No U-10

Suction valve reeds Cat Part No 25-A To X

Discharge valve reeds Cat Part No 17-B

Oil filter Cat Part No 17-C

Suction strainer Cat Part No 17-D

Oil pressure regulating valve Cat Part No 20-F

Connecting rod Cat Part No 18-A To F

Gasket set Cat Part No 18-B

Compressor safety valve Cat Part No 18-D

M&L for repair/overhauling and including replacement of unserviceable spares of compressor reciprocating type model JS63FQ508 Make YORK by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and sagregate of serviceable and unserviceable spares overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembling complete and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil and gas, testing for smooth functioning etc, complete all as specified and directed by Engr-in-Charge. Location :C.No.51/WECORS, ARF bldg. (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only spares for compressor reciprocating type model JS63FQ508 Make YORK included under item Nos 18.01 to 18.17 here-in-after. (b) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required and paid under relevent item here-in-after. (c) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after.

Crank shaft Cat Part No JS-647216

Piston Cat Part No 6446538

Piston rings Cat Part No 2915177000

Main sealing bearing (Set of two) Cat Part No 2911097

Liner assembly Cat Part No 6642166700

Oil pump assembly Cat Part No 2635003000

Loader/unloader spring Cat Part No 22913487

Piston pin Cat Part No 22919841

Suction valve reeds .Cat Part No 6421898

Discharge valve reeds Cat Part No 2291324100

Oil filter Cat Part No 364452700

Connecting rod Cat Part No 364-49012000

Gasket set Cat Part No 36447453000

Compressor safety valve Cat No 6446538

Returing Plate

Compressor coil winding

Mother board Circuit

Labour only for repair/overhauling and including replacement of unserviceable spares of compressor reciprocating type model 5H120, CWORO2400MT Voltas Make by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and segregate of serviceable and unserviceable spares overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembling complete and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil and gas, testing for smooth functioning etc, complete all as specified and directed Engr-in-Charge. Location:- C.NO.51/Wecors, Main bldg, East wing. (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only spares for compressor reciprocating type model 5H120, CWORO2400MT Voltas Make included under item Nos 19.01 to 19.19 here-in-after. (b) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required and paid under relevent item here-in-after. (c) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after.

Crank shaft Cat No 6301000

Piston rings Cat No 6100022

Piston Cat No 6100010

Piston Pin Cat No 6100016

Oil scraper rings Cat No 6100030

Center bearing Cat No 5H-120

Connecting rod Cat No 6101200

Main sealing bearing (Set of two) Cat No 6100008

Liner assembly Cat No 6101300

Oil pump assembly Cat No 6303900

Suction valve spring Cat No 6100068

Capacity control valve Cat No 61202700

Suction valve reeds Cat No 6100040

Discharge valve reeds Cat No 6101302

Oil filter Cat No 6300124

Valve plate

Gasket set Cat No 201408 make Neopene or equivalent as appoved by the GE

Compressor safety valve Cat No 6302500

Shaft seal assembly Cat No 6301500

M&L for repair of leakage of system including pump down the existing refrigerant from the plant of 7.5 TR capacity and carrying out the leakage testing with feeding pressure of dry Nitrogen gas and monitoring for 24 hrs to assess/finding leakages, rectification of leakage by brazing & replacement of necessary gaskets wherever required including replacement of Teflon sealing of all refrigerant line control valves like liquid lines valves/ suction valves/ discharge valves of compressors, gland packages of all angle valves, flaring of all connections framing welding etc complete, vaccumizing of the plant by vaccum pump and keep-it upto 24 hours for testing and rectification of leakages if any, finally recharging of existing refrigerant gas to the plant and add for topping up of refrigerant if required to maintain the standard pressure etc complete including testing of the plant for smooth functioning complete all as specified and directed Engr-in-Charge. Location : C.No.75/STH, 1st Floor, Main office,MCR,Lab room,C.No.48/MEPS SSK

-ditto- all as per item No.20 but 80 TR Capacity, Location: C.No.51/wecors, ARF bldg.

-ditto- all as per item No.20 but 40 TR Capacity, Location: C.No.51/wecors, Main Slog,Gr. Floor

-ditto- all as per item No.20 but 12.5TR Capacity , Location: C.No.85/wecors, Phase-IV, 1 floor.

-ditto- all as per item No.20 but 30 TR Capacity, Location C.No.29/MAST, 3rd floor.

-ditto- all as per item No.20 but 10 TR Capacity, Location C.No.36/MRAC, Gr.floor (Instrumantation bay).

-ditto- all as per item No.20 but 18 TR Capacity, Location C.No.43/MECI Plant No.1, 2nd near auto control bay.floor (Instrumantation bay).

-ditto- all as per item No.20 but 20 TR Capacity, Location C.No.43/MECI Plant No.2, 2nd near electric bay.floor (Instrumantation bay) and C.No.70 /MMER, 2nd Floor

M & L for replacement of unserviceable Cooling Tower accessories i.e. Nozzles, water inlet/outlet pipe and filter, Fan blade, fan blade housing assembly, GI bolts, nuts, MS frame and ladder etc complete and refitting old PVC fills (serviceable qty shall be reused to the extent available) after cleaning with diluted HCL solution suitable for the existing cooling tower, servicing of fan and motor assembly including removal of dust, oil, scaling of motor body and replacing the unseviceable bearing, painting with anticorrosive paint & reassembling complete cooling tower complete all as specified and directed Engr-in-Charge. Note : Extra PVC fills and PVC spray Nozzels as required to complete the job shall be measured and paid separately as "Supply only" to the extent required and cost of all the other elements to make the cooling towers completely functional shall be deemed to be included in the quoted rates.

For 240 TR cooling tower Wacors

For 80 TR cooling tower Location: C.No.51/wecors, ARF bldg.

For 30 TR cooling tower Location C.No.29/MAST, 3rd floor.

For 18 TR cooling tower Location C.No.43/MECI Plant No.1, 2nd near auto control bay.floor

For 20 TR cooling tower Location C.No.43/MECI Plant No.2, 2nd near electric bay.floor (Instrumentation bay).

"Supply only" PVC fills of suitable size for existing cooling tower as mentioned in Srl item 22.01 to 22.05 complete all as specified and directed Engr-in-Charge.

"Supply only" PVC spray Nozzels of suitable size for existing cooling tower as mentioned in srl item 22.01 to 22.05 complete all as specified and directed Engr-in-Charge.

Supply and fixing in repairs FRP induced draft rectangular counter flow type cooling tower capacity 50 TR with FRP basin with squirrel cage, vertical flange mounted extended thread type, induction motor with totally enclosed weather proof enclosure, connecting the inlet & outlet existing water pipe lines including PVC Fills, Eliminator, FRP Fan Deck, hardware etc complete on existing platform of following cpacity after removing old cooling tower as specified in OEM manual & complete all as specified and directed Engr-in-Charge. Locations : C.No.36 MRAC Gd Floor & C No- 70 MMER Ist Floor OF Advance Make, or equivalent

Replacement of unserviceable MS pipe, heavy grade of following sizes (condenser water tubing from the cooling tower area) including provision of all fittings, welding and connected works as required for smooth functioning of AC Plants, complete all as specified and directed Engr-in-Charge. Make : TATA/JINDAL

150mm bore

100mm bore

80 mm bore

65 mm bore

S&F in repair unserviceable sluice valves of following sizes flanged end, cast iron body, flanged and drilled and non rising type stainless steel spindle with hand wheel, T-head bolt & nut, long body, class PN 1.6, confirming to IS 14846 of 2000 for following sizes including all flange joint with rubber gasket or fiber board, bolts, nuts and washers complete including accessories etc complete all as specified and directed Engr-in-Charge.

50 mm bore

65 mm bore

80 mm bore

100 mm bore

150 mm bore

S&F in repair unserviceable cast iron body Y type strainer flanged ends to BS 10 Table F, flanged and perforated sheet screen of 3mm hole dia of guided in stainless steel body and cover including large screening area makes the strainer efficient in performance including minimum pressure drop inside body with stud & nut made out by carbon steel confirming to IS:210 Gr FG 200 for following sizes including flange joint with rubber gasket or fiber board, bolts, nuts and washers including accessories etc complete all as specified and directed Engr-in-Charge, of following sizes .

65 mm bore

80 mm bore

100 mm bore

150 mm bore

Supply and fix in repairs gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified and directed Engr-in-Charge of following sizes :-

40 mm bore

25 mm bore

20 mm bore

Supply and fix in repairs butterfly valve of IS:210 Gr.FG-200 Cast iron body without lugs, gear operated, CF8 SS-304 Disc, Nitrile/EPDM rubber lining with Testing Pressure PN-16 including all fittings accessories etc complete all as specified and directed Engr-in-Charge of following sizes :-

50 mm bore

65 mm bore

80 mm bore

100 mm bore

150 mm bore

Supply and Fixing steel water tubing, galvanised, Medium grade with all fittings such as nipple, union, socket, elbow, bends &,laid in trenches including taking down existing rusted pipes for the following sizes complete all as specified and directed Engr-in-Charge.

25 mm bore

40 mm bore

50 mm bore

M&L for painting of central AC Plants by applying one coat of synthetic enamel paint as per colour code with spray painting including electric panels , central AC plant compressors, electric motors, pumps, pipe lines etc by filling the cavities if any, with filler including preparation of surfaces & indicating markings under mentioned AC plant complete all as specified and directed Engr-in-Charge.

AC Plant 2X240 TR Wecors

AC Plant 3X175 TR Wecors

AC Plant 3X135TR Wecors

AC Plant 2X80TR Wecors

AC Plant 3X20TR MECL, C.No.43

AC Plant 3X30TR MAST, C.No.29

AC Plant 2X40TR MOUT, C.No.25

AC Plant 2X18TR MECL, C.No.43

AC Plant 2X30TR MMER C.No.70

Supply in fixing in repairs sealed compressor 20 TR for 407(a) gas, including necessary conecting copper pipe brazing/welding work for suction line and discharge line including cabling work complete all as specified and directed Engr-in-Charge. Make : DANFOSS / COPELAND. Location : ARF Ventilation plant

Supply in fixing in repairs sealed compressor 15 TR for 407(a) gas, including necessary connecting copper pipe brazing/welding work for suction line and discharge line including cabling work complete all as specified and directed Engr-in-Charge. Make : DANFOSS / COPELAND Loc C-32

Supply in fixing in repairs sealed compressor 7.5TR for 407(a) gas, including necessary conecting copper pipe brazing/welding work for suction line and discharge line including cabling work complete all as specified and directed Engr-in-Charge. Make : DANFOSS / COPELAND. Loc C-75/Wecors/C-74

Supply in fixing in repairs sealed compressor 5 TR for 407(a) gas, including necessary conecting copper pipe brazing/welding work for suction line and discharge line including cabling work complete all as specified and directed Engr-in-Charge. Make : DANFOSS / COPELAND. Location : DOM/C No- 32

Supply & fix in repairs thermometer complete all as secified.

Supply and fixing in repairs filter dryer core Make: DANFOSS/Sporlan

Supply and fixing in repairs MKC-2 solenoid coil complete all as specified Make: DANFOSS/Sporlan

Supply & fix in repair Water flow switch with necessary flare fittings

Supply & fix in repair Moisture liquid indicators

Supply & fix in repair Pressure gauge 0-300PSI

Supply & fix in repair Pressure gauge 0-150PSI

Supply and fix water pressure gauges of any size up to 0- 100 PSI/0-7Kg/cm² capacity including taking out unservicable water pressure gauge etc complete all as specified and directed Engr-in-Charge. Make- KI/ H-Guru/Fiebig/Omega/Adarsh

Supply & fix in repair Water gauge syphon with control valve

Supply & fix in repair LP/HP cutout switch sensor

Supply & fix in repair V Belt of different sizes

Supply & fix in repair Brass Angle Valve size 1/4"x3/8"

Supply and fixing in repairs thermostatic expansion valve for 63 TR Model No : 63MVE-42-CP-100, Make: Sporlan

-ditto- as per serial No.48.00 but for 65 TR,Model No MVE-42-CP-100, Make: Sprolan

-ditto- as per serial No.48.00 but for 40 TR, Model No MVE-42-CP-100, Make: Sprolan

-ditto- as per serial No.48.00 but for 30 TR Model No MVE-34-CP-100, Make: Sprolan

-ditto- as per serial No.48.00 but for 7.5 TR,SVE - CP - 100, Make: Sprolan

Taking down old unserviceable aluminium rectangular grill of any type and make and suuply and fix new air /return air of aluminium rectangular grills complete with wooden frame work made out of II nd class hard wood, volume control damper including gasket and connected accessories complete all as specified and directed Engr-in-Charge.

S & F in repairs condensor coil fan motor with blade complete suitable for outer unit .

Dismantling the leaking condenser from 80 TR capacity AC plant replacing with the new air cooled condenser of size 198cm x 112cm x4 row made out of copper tube and aluminium fines. Reconnecting the condenser including brazing/welding inlet and outlet connections. Leak test, pressure test with nitrogen. Vaccumizing & gas charging with F22 refrigerant & testing on load complete all as specified and directed Engr-in-Charge. Loc ARF

Material and labour for framed work with structural steel sections including nuts, bolts,washers, welding ,bending cold or hot, drilling holes for bolts, in any shape or size as directed including applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed Engr-in-Charge.

S & F in Repairs High velocity commercial air curtain unit for prevention of dust and conditioned air losses single phase 220 Volt 50 Hz made of MS / CRCA sheet of min thickness 18 gauge finished with two coats of red oxide primer and final coat of synthetic enamel paint (over baked) with MS based CRC 18 gauge sq perforated suction grills aluminum alloy fans and single phase electric motor nozzle etc with fittings and accessories so as to produce 1-1.5 M / Sec air velocity at floor level for for door opening 28" x 78"complete all as specified and directed Engr-in-Charge. Make:Technocraft or equivalent as approved

Supply and fix in repairs blower set including drum and shaft along with anti-vibration spring isolators for minimizing vibrations (Blow/draw through type) as per the existing size and suitable for any CFM of AHU unit complete all as specified and directed Engr-in-Charge.

Suuply and fix in repairs volume control damper made out of galvanized iron or anodized aluminium with overlapping leafs to avoid any leakage from the damper as per existing at site complete all as specified and directed Engr-in-Charge.

Suuply and fix in repairs leather type canvas in AHU duct of any size as per existing at site complete all as specified and directed Engr-in-Charge.

Taking out old unserviceable AHU body & supply and fixing of factory fabricated double skin powder coated 25 mm puf insulated AHU body including proper door handles, corner supports cutting, bending, welding/ brazing/ wooden work/ structural support complete all as specified and directed Engr-in-Charge.

Supply and fix in repairs AHU cooling coil of any size and any rows as per existing at site complete all as specified and directed Engr-in-Charge.

Supply and errect fabricated rectangular square duct made out of 24 gauge GI sheet in L shaped hollow profile including all accessories such as corner, carriage bolt hangers, gasket and seal the longitudinal joints with and including approved sealant complete all as specified and directed Engr-in-Charge.

M & L for duct insulation, Cleaning the surface of the duct to be insulated, painting the surface of the duct with aluminium paint and fixed tightly Nitrile rubber(Armaflex) 19/25mm thick with applying adhesive compound on the surface of duct sheet and sealed properly, cover with aluminum foil paper laminated complete all as specified and directed Engr-in-Charge.

M & L for pipe insulation, cleaning the pipe surface with steel wire brush, apply one coat of zinc chromate paint and allowed to dry, apply two coats of cold setting adhesive compound on around surface of pipe, stick expanded Nitrile 50 mm thick or nitrile sheets tightly pressed, wrapped with one layer of aluminium cladding with 26 guage AL sheet suitable for covering the surface of pipe line insulation for protection against the demage of PUF insulation slab complete for 250 mm pipe complete all as specified and directed Engr-in-Charge.

Ditto- all as per item No 65.00 above but 200 mm dia.

Ditto- all as per item No 65.00 above but 150 mm dia.

Ditto- all as per item No 65.00 above but 125 mm dia.

Ditto- all as per item No 65.00 above but 100 mm dia.

Ditto- all as per item No 65.00 above but 80 mm dia.

Ditto- all as per item No 65.00 above but 65 mm dia.

Ditto- all as per item No 65.00 above but 50 mm dia.

Ditto- all as per item No 65.00 above but 40 mm dia.

Ditto- all as per item No 65.00 above but 32 mm dia.

M & L for removing top and side cover panel of AHU for servicing and cleaning the cooling coil fins with nylon wire brush using chemical MAIC solution and fresh water including cleaning surfaces of the AHUs, repairing the base plate of AHU, Dampers, Blowers, blower drums including greasing of pedestal bearings, tightening of belts, blower motor electric connections, connection terminal and repairs of AHU inside insulations with fiber glass of 24kg/cum density insulation sheet and also cover with aluminium cladding of 0.71 mm thick fabricated with screws at edges, cross ribbed of insulated surface, painting the outer surface of AHU with aluminium paint of following location AC Plants complete all as specified and directed Engr-in-Charge.

Ditto- all as per item No 66.00 above but AC Plant of 2x80 TR Capacity, C.No.51/Wecors, ARF bldg.

Ditto- all as per item No 66.00 above but AC Plant of 2x40 TR Capacity, C.No.51/Wecors, Main Slog,Gr. Floor

Ditto- all as per item No 66.00 above but AC Plant of 1 x 12.5TR Capacity , C.No.85/Wecors, Phase-IV, 1 floor.

Ditto- all as per item No 66.00 above but AC Plant of 3x30 TR Capacity, C.No.29/MAST, 3rd floor.

Ditto- all as per item No 66.00 above but AC Plant of 3x10 TR Capacity, C.No.36/MRAC, Gr.floor (Instrumantation bay).

Ditto- all as per item No 66.00 above but AC Plant of 2x18 TR Capacity, C.No.43/MECI Plant No.1, 2nd near Auto Control Bay floor (Instrumantation Bay).

Ditto- all as per item No 66.00 above but AC Plant of 3x20 TR Capacity, C.No.43/MECI Plant No.2, 2nd near Electric Bay floor (Instrumantation Bay).

Supply only refrigerant R-22 gas as per requirement, complete all as specified and directed Engr-in-Charge. Make : MAFRON/FLORON/ REFRON/ FREON

Supply only refrigerant R-407(a) gas as per requirement, complete all as specified and directed Engr-in-Charge. Make : MAFRON/FLORON/ REFRON/ FREON

Supply only compressor oil and filling/charging in compressor as per requirement i.e. topping up, changing with fresh oil or new charging complete all as specified and directed Engr-in-Charge. Make : Servo, HP, BP, Sheetal MK-04GS Location- YORK Plants

Supply only compressor oil and filling/charging in compressor as per requirement i.e. topping up, changing with fresh oil or new charging complete all as specified and directed Engr-in-Charge. Make : Servo, HP, BP, Sheetal N-68, Freezol 36.

Supply and fix in repairs AHU pre-filters 10 microns fabricated in size 630mm x 500mm x 50mm of AC Plant 240 Ton at C.No.51/ Wecors, 3rd Floor & 4th Floor, Main Bldg.

Supply and fix in repairs AHU pre-filters 10 microns fabricated in size 610mm x 610mm x 50mm of AC Plants 40 Ton , 2 x30 Ton , 2 cat C.No.51/ Wecors, 2nd Floor & 3rd Floor, Main Bldg.

Supply and fix in repairs 3 phase electronic voltmeter class 1 . Make-L&T CAT No WL132010OOOO or equivalent as specified in Appendix B

Supply and fix in repairs 3 phase electronic amperemeter, class 1 Make-L&T CAT No WL131010OOOO or equivalent as specified in Appendix B

Supply and fix in repairs Over Load Relay suitable for any capacity of starter electric panel

Supply and fix in repairs Single phase preventer suitable for any capacity of electric starter panel

Supply and fix in repairs electric motor starter electronic timer type ET100 range 9-30 sec

Supply and fix in repairs 3 TF50 VDE - 0660 3 Phase volatage 380 V 50 KA

Supply and fix in repairs electric motor starter star delta starter contactor AC1, type ML-1.5 with auxillay contacts 2NO+2NC and coil volt 220V Make - L&T Cat No SS91851 or equivalent make as specified in Appendix B

Supply and fix in repairs electric motor starter star delta starter contactor AC1, type ML-2 with auxillay contacts 2NO+2NC and coil volt 220V Make - L&T Cat No SS90701 or equivalent make as specified in Appendix B

Supply and fix in repairs electric motor starter star delta starter contactor type ML-4 with auxillay contacts 2NO+2NC and coil volt 220V Make - L&T Cat No SS90910 or equivalent make as specified in Appendix B

Supply and fix in repairs electric motor starter star delta starter contactor type ML-6 with auxillay contacts 2NO+2NC and coil volt 220V Make - L&T Cat No SS90921 or equivalent make as specified in Appendix B

Supply and fix in repair replacement of unserviceable electric motor starter star delta starter contactor AC1 rating 25A, type ML- 12 with auxillay contacts 2NO+2NC and coil volt 220V Make - L&T Cat No SS91010

Supply and fix in repairs MCCB 200 Amp 4 Pole 36kA, Thermal megnetic protection OL/SC, confirming to IS/IEC60947-2& IEC 60947-2 including spreader Terminal, internal and external accessories complete for AC Plant electric panel complete all as specified and directed Engr-in-Charge.

Supply and fix in repairs MCCB 160 Amp 4 Pole 36kA, Thermal megnetic protection OL/SC, confirming to IS/IEC60947-2& IEC 60947-2 including spreader Terminal, internal and external accessories complete for AC Plant electric panel complete all as specified and directed Engr-in-Charge.

Supply and fix in repairs MCCB 125 Amp 3 Pole, 25kA,Thermal megnetic protection OL/SC, confirming to IS/IEC60947-2& IEC 60947-2 including spreader Terminal, internal and external accessories complete for AC Plant electric panel complete all as specified and directed Engr-in-Charge.

Supply and fix in repair replacement of unserviceable MCCB 100 Amp 4 Pole 25kA, Thermal megnetic protection OL/SC, confirming to IS/IEC60947-2& IEC 60947-2 including spreader Terminal, internal and external accessories complete for AC Plant electric panel complete all as specified and directed Engr-in-Charge.

Supply and fix in repairs MCCB 63 Amp 16kA, 4 Pole hermal megnetic protection OL/SC, confirming to IS/IEC60947-2& IEC 60947-2 including spreader Terminal, internal and external accessories complete for AC Plant electric panel complete all as specified and directed Engr-in-Charge.

BRITE INDUSTRIES

DARSHAN CONSTRUCTION Co.

somnath engineering corporation

Shree Ayyappa Engineering

pk Enterprises

shakti engineering and electrical works