REPAIR TO CERTAIN COMPRESSOR OF AC PLANT AND OTHER CONNECTED WORKS AT AF STN CHAKERI KANPUR

Amount

M&L dismantling of unserviceable compressor of following make & model as given here after,disconnecting all electric connection carefully & pipings and then opening suction/discharge liquid line, gauge line etc including pumping down refrigerant gas to existing condensers / empty cylinder and taking out old compressor oil in empty barrel & transporting compressor to contractor's workshop for dismanteling and opening of compressor, checking each part of compressor i.e crank shaft, bearings, piston rings, suction/discharge reeds, guide assembly, oil pump assembly, shaft seal assembly for its serviceability,fixing/replacement of old serviceable/ New/worn out part after cleaning and polishing of all metalic parts, oil chambers, re-assembling of compressor,installation back on foundation connecting complete with existing system & making all electric & piping connection than testing of pressure by applying dry nitrogen, vaccum test and recharging of existing stored gas to the compressor and testing of unit complete all as specified and directed by Engineer-in-Charge:- Note: (a) Spare parts shall be measured and paid separately under respective items. (b) Grinding and polishing of shaft and Nitrogen leak testing will be measured and paid separately. (c) Labour charge for top up of refrigerent gas if required deemed to be included in the quoted rate. (d) Old Unserviseable item retreived from item No 2 to 56 shall be department property & deposited to MES store yard

(a) Accel sabroe, Model SMC-8-100 110 Block chiller plant

(b) Accel sabroe, Model AC 4-65 Jig Boaring AC plant

(c) Voltas, Model 5H-40 H No-07 Chiller plant & CRS plant

(d) Blue star model JS-83F T-508 101 Block

(e) Kirloskar-6-70 Old IRS Chiller plant.

Supply & fixing in replacement spare parts for repairs of compressor of following models as under:- (Parts suitable for Accel sabroe SMC-8-100, 110, Block, chiller plant as per manufacturer's recommondations)

(a) Main bearing seal end

(b) Main bearing pump end

(c) Connecting rod assembly

(d) C R bearing

(e) Cylinder Sleeve

(f) Piston

(g) Oil pressure release valve

(h) Suction valve reed

(j) Oil filter assembly

(k) Piston ring set

(l) Aluminium washer set

(m) Gudgeon Pin

(n) Gudgeon pin Bush

(o) Discharge valve assembly

(p) Oil pump assembly

(q) Rocker for unloading mechanism

(r) Piston circlip

(s) 'O' Ring set with teflon set

(t) Liner unloading Ring with Spring & Pin

(u) Connecting rod nut & bolt

(v) Retaining spring

(w) Suction retaining plate

(x) Safety valve

(y) Gasket set complete

(z) Thrust coller

(aa) Main service Valve

(ab) Discharge Service Valve

(ac) Suction Service Valve

Supply & fixing in replacement spare parts for repairs of compressor of following models as under :- (Parts suitable for Accel Sabro Model AC 4-65, Jig Boaring ,AC plant as per manufacturer's instruction/recommondation)

(a) Main bearing seal end

(b) Main bearing pump end

(c) Connecting rod assembly

(d) C R bearing

(e) Cylinder Sleeve

(f) Piston

(g) Oil pressure release valve

(h) Suction valve reed

(j) Oil filter assembly

(k) Piston ring set

(l) Aluminium washer set

(m) Gudgeon Pin

(n) Gudgeon pin Bush

(o) Discharge valve assembly

(p) Oil pump assembly

(q) Rocker for unloading mechanism

(r) Piston circlip

(s) 'O' Ring set with tefelon set

(t) Liner unloading Ring with Spring & Pin

(u) Connecting rod nut & bolt

(v) Retaining spring

(w) Suction retaining plate

(x) Safety valve

(y) Gasket set complete

(z) Thrust coller

(aa) Main service Valve

(ab) Discharge Service Valve

(ac) Suction Service Valve

Supply & fixidng in replacement spare parts for repairs of compressor of following models as under:- (Parts suitable for Voltas Model 5H-40 H No-07 Chiller plant & CRS plant as per manufacturer's recommondations)

(a) Main bearing seal end

(b) Main bearing pump end

(c) Connecting rod assembly

(d) C R bearing

(e) Cylinder Sleeve

(f) Piston

(g) Oil pressure release valve

(h) Suction Valve reed

(j) Oil filter assembly

(k) Piston ring set

(l) Aluminium washer set

(m) Gudgeon Pin

(n) Gudgeon pin Bush

(o) Discharge valve assembly

(p) Oil pump Assembly

(q) Rocker for unloading mechanism

(r) Piston Circlip

(s) 'O' Ring set with tefelon set

(t) Liner unloading Ring with Spring & Pin

(u) Connecting rod nut & bolt

(v) Retaining spring

(w) Suction retaining plate

(x) Safety valve

(y) Gasket set complete

(z) Discharge Service Valve

(aa) Suction Service Valve

(ab) Cylinder Liner

(ac) Unloader Sleeve

(ad) Valve Lifter Pin

(ae) Valve lifter pin spring

(af) Valve Plate

(ag) Suction Valve spring

(ah) Discharge valve guide assembly

(aj) Seal End washer

(ak) Seal End Thrust washer

(al) Shaft seal cover plate

(am) Suction Filter

(an) Heater

(ao) Pump End Thrust washer

(ap) Oil filter Screen

Supply & fixing in replacement spare parts for repairs of compressor of following models as under:- (Parts suitable for Blue star model JS-83F, T-508, 101 Block as per manufacturer's recommondation)

(a) Main bearing seal end

(b) Main bearing pump end

(c) Connecting rod assembly

(d) C R bearing

(e) Cylinder Sleeve

(f) Piston

(g) Oil pressure release valve

(h) Suction Valve reed

(j) Oil filter assembly

(k) Piston ring set

(l) Aluminium washer set

(m) Gudgeon Pin

(n) Gudgeon pin Bush

(o) Discharge valve assembly

(p) Oil pump Assembly

(q) Rocker for unloading mechanism

(r) Piston Circlip

(s) 'O' Ring set with tefelon set

(t) Liner unloading Ring with Spring & Pin

(u) Connecting rod nut & bolt

(v) Retaining spring

(w) Suction retaining plate

(x) Safety valve

(y) Gasket set complete

(z) Discharge Service Valve

(aa) Suction Service Valve

(ab) Cylinder Liner

(ac) Unloader Sleeve

(ad) Valve Lifter Pin

(ae) Valve lifter pin spring

(af) Valve Plate

(ag) Suction Valve spring

(ah) Discharge valve guide assembly

(aj) Seal End washer

(ak) Seal End Thrust washer

(al) Shaft seal cover plate

(am) Suction Filter

(an) Heater

(ao) Pump End Thrust washer

(ap) Oil filter Screen

Supply & fixing in replacement spare parts for repairs of compressor of following models as under:- (Parts suitable for Kirloskar Model AC-6-70 Old IRS Chiller plant as per manufacturer's recommondation)

(a) Main Bearing Seal End

(b) Pump End Bearing

(c) Connecting rod assembly

(d) C R bearing

(e) Cylinder Sleeve

(f) Piston

(g) Oil pressure release valve

(h) Suction Valve reed

(j) Oil filter assembly

(k) Piston ring set

(l) Aluminium washer set

(m) Gudgeon Pin

(n) Gudgeon pin Bush

(o) Discharge Valve assembly

(p) Oil Pump Assembly

(q) Rocker for unloading mechanism

(r) Piston Circlip

(s) 'O' Ring set with tefelon set

(t) Gasket set complete

(u) Discharge Service Valve

(v) Suction Service Valve

(w) Cylinder Liner

(x) Piston pin

(y) Suction filter

(z) Star Washer

(aa) Bolt for discharge plate

(ab) Liner O ring

M & L disconnecting crank shaft from the following compressor after taking to workshop for recharging & machinarying/grinding lathing etc kept to required shape the crank shaft manufacturing equivalent size to match with section bearings complete all as specified and directed by Engr-In-Charge:-

(a) Crank shaft SMC-100 of Series Accel Sarboe make.

(b) Crank shaft SMC-65 of Series Accel Sarboe make.

(c) Crank shaft 5H-80 of Series VOLTAS make.

(d) Crank shaft 5H-40 of Series VOLTAS make.

(e) Crank shaft AC 6-70 of Series KIRLOSKAR make.

S&F in replacement of thermostat expansion valve suitable for chiller plant as pr sample including making electrical connnection complete all as specified & directed:-

(a) SMC-100 of Series Accel Sorboe make

(b) SMC-65 of Series Accel Sarboe make

(c) 5H-80 of Series Voltas Make

(d) AC-6-70 of Series Kirloskar make

Supply and fixing in replacement of loading/unloading solenoid coil suitable for capacity upto 100TR AC plant complete all as specified and directed.

Supply and filling new compressor oil Sheetal No-68/super freeze F-68 of Bharat Petrolium/Hindustan Petrolium in company sealed container with test certificate & PV all as directed by Engineer-in-Charge.

S&F in replacement of shaft seal assembly of compressor of central AC plant at various location for the following capacity of compressor complete all as specified & directed:-

(a) Model AC 6-70, Make: Kirloskar

(b) Model SMC 100, Make: Accel Sarboe

(c) Model SMC 65, Make: Accel Sarboe

(d) Model 5H-80, Make: Voltas

S&F in replacement of 'O' ring set of shaft seal assembly for following compressors:-

(a) Model AC 6-70, Make: Kirloskar

(b) Model SMC 100, Make: Accel Sarboe

(c) Model SMC 65, Make: Accel Sarboe

(d) Model 5H-80, Make: Voltas

S&F in replacement of 'O' ring and Teflon sheet of existing Brasomatic valve of sizes after opening and proper cleaning of valve of different at varrious AC plant to ensure leak proof and proper smooth operation complete all as specified & directed.

S & F in replacement pressure gauge 0 to 300 PSI complete (Make: Feibig H Guru or equivalent as approved by GE).

S & F in replacement of HP cut out MP-15 complete all as specified and directed. Make:- Danfoss or Indfoss or equivalent as approved by GE).

S & F in replacement of LP cut out MP-15 complete all as specified and directed. (Make:- Danfoss/Indfoss or equivalent as approved by GE).

S & F in replacement of oil pressure cut out MP-55 complete all as specified and directed. (Make : Danfoss/Indfoss or equivalent as approved by GE).

S & F in replacement of solinoid valve with coil complete all as directed. (Make : Sporian/Castle or equivalent as approved by GE).

S & F in replacement of condenser safety valve 0 to 450 PSI complete all as specified and directed. (Make : Frig tools or equivalent as approved by GE).

Supply only of refrigerant gas R-22 in company sealed cylinder after making system leakproof(capacity of each cylinder shall be 61 KG of gas) Make mafron/freon/Refron. Note: Empty cylinder shall be returned to the contractor only after complete consumption of gas without any extra cost to the contractor.

S & F in replacement cooling tower header of different make,capacity 100TR as per existing size complete all as specified & directed.

S & F in replacement cooling tower header of different make,capacity 60TR as per existing size complete all as specified & directed.

S & F in replacement PVC nozzles for cooling tower as per sample complete all as specified & directed.

S & F in replacement of protection net of cooling tower as per existing size & sample complete all as specified and directed.

S & F in replacement of butter fly valve of size 100mm dia complete with nut bolts washer and rubber packing etc complete all as specified and directed. (Note:- Make of butter fly valve is as per site and as per list of make).

All as per item No 25 but size 150mm dia.

S & F in replacement of cast iron NRV of size 100 mm dia as per IS 5312 PN 1.6 including nut bolts washers gasket etc complete all as specified and directed. (Note:- Make as per site and as per list of make)

S & F in replacement of 3 pole power contactor with 2 NO + 2 NC, type ML-2 415 volts 50 Hz 3 Phase complete all as specified and as directed. (Make:- L&Tor equivalent as approved by GE).

S & F in replacement of 3 pole power contactor with 2 NO + 2 NC, type ML-4, 415 volts, 50Hz, 3 phase complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of 3 pole power contactor with 2 NO + 2 NC, type ML-1.5, 415 volts, 50Hz, 3 phase complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of 3 pole power contactor with 2 NO + 2 NC, type ML-3, 415 volts, 50Hz, 3 phase complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of 3 pole power contactor MN/MNX-80, complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of 3 pole power contactor MN/MNX-25, complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement single phase preventor model No SM 175 and making proper connection complete all as aspecified and as directed. (Make:- Minilac or equivelent as approved by GE).

S & F in replacement of single phase preventor VSP 3 complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of Auto-Reset synchronous timer, range 1.0 to 30 sec, complete all as specified and as directed. (Make:- GIC/L&T cat part No CC 4631 or GIC or equivalent as approved by GE).

S & F in replacement of Auto-Reset synchronous timer, range 30 to 60 sec, complete all as specified and as directed. (Make:- L&T cat part No CC 46B1 or GIC or equivalent as approved by GE).

S & F in replacement of electronic timer, range 9.0 to 30 sec, ET-100 complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of bakalite fuse links of 20 Amps capacity complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of Bimetal overload relay range 10-16 suitable for contactor ML-1/ML-1.5 complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of Bimetal overload relay range 28-42 Amps suitable for contactor ML-2/ML-4 complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

S & F in replacement of Bimetal overload relay suitable for contactor MN-05 complete all as specified and as directed. (Make:- L&T or equivalent as approved by GE).

Supply only in replacement of mercury filled standard thermometer & temp range 0 to 100°C for condenser/chiller (as per sample) complete all as specified and as directed.

Supply, installation, testing & commissioning of centrifugal pump sets factory assembled & tested for rated efficiency complete with motor & common base frame, coupling guard, cladded insulation etc. for re-circulation of condensed water from cooling tower to condenser for the air conditioning system. The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply all as specified and directed by Engineer-in-charge. (Make :- KSB/ Crompton Greaves / Beacon/Kirlosker). Note: Old pump shall be deposited to MES yard. The pump characteristic of centrifugal pump set shall be as follows: (a) Water quantity 160 US GPM (b) Static Head 44 M (c) Impeller Bronze

Supply, installation, testing & commissioning of centrifugal pump sets factory assembled & tested for rated efficiency complete with motor & common base frame, coupling guard, cladded insulation etc. for re-circulation of condensed water from cooling tower to condenser for the air conditioning system. The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply all as specified and directed by Engineer-in-charge. (Note: Old UNSV pump to be deposited to MES yard). Make :- KSB/ Crompton Greaves / Beacon/Kirlosker. The pump characteristic of centrifugal pump set shall be as follows: (a) Water quantity 255 US GPM (b) Static Head 20 M (c) Impeller Bronze

Supply, installation, testing & commissioning of centrifugal pump sets factory assembled & tested for rated efficiency complete with motor & common base frame, coupling guard, cladded insulation etc. for re-circulation of condensed water from cooling tower to condenser for the air conditioning system. The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply all as specified and directed by Engineer-in-charge. Make :- KSB/ Crompton Greaves / Beacon/Kirlosker. (Note: Old pump shall be deposited to MES yard). The pump characteristic of centrifugal pump set shall be as follows: (a) Water quantity 412 US GPM (b) Static Head 31 M (c) Impeller Bronze

S&F in replacement of FRP cooling tower fan any capacity complte with aluminium alloy hub, blads Vertical type 3 phase 4 wire 415 V motor complete all as specified & directed by Engr-in-Charge suitable for following cooling towers.

(a) For Cooling tower of capacity 100 TR

(b) For Cooling tower of capacity 65 TR

(c) For Cooling tower of capacity 25 TR

(d) For Cooling tower of capacity 15 TR

Supply only in replacement of syphon (as per sample) in existing line including cutting and welding of new socket/adopter complete all as specified and as directed. (Note:- Cost of new socket and welding work and making good to existing pipe is deemed to be included in quoted unit rate).

M&L for de-scaling of condenser of various AC plant location complete all as described as under :- (i) Opening Block of condenser Inlet and Outlet water pipe. (ii) Descaling of condenser tubes with de-scaling solution mixed with water by pump method for a duration of 08 hours continuous circulation. (iii) Opening of bolts side condenser cover for following work. (iv) Cleaning of condenser copper tubes carefully with condenser cleaning brushes to the entire satisfaction of Engineer-in-Charge. (v) Removing of rubber gasket of both side covers, preparing, new rubber gasket 6 mm thick, fixing properly with existing bolts/nuts/washers in following location of plant. Note :- Cost of descaling solution is deemed to be included in quoted rates. (a) Accel Sabroe SMC-8-100 110 Block chiller plant 1x90 TR

(b) Accel sabroe, Model AC 4-65 Jig Boaring AC plant 3x7.5 TR

(c) Voltas, Model 5H-40 H No-07 Chiller plant plant 3x48 TR

(d) Voltas, Model 5H-40 CRS plant 3x50 TR

(e) Blue star model JS-83F T-508 101 Block 4x100 TR

(f) Kirloskar-6-70 Old IRS Chiller plant.3x50TR

Supply ,laying and testing of XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 Sq mm 3½ core complete all as specified and directed.

Supply ,laying and testing of XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 Sq mm 3½ core complete all as specified and directed. (Note for item No 1 to 56 : Old U/s material obtained from taking down/dismentling shall be depostied to MES store yard)

BRITE INDUSTRIES