REPAIR/MAINT OF CENTRAL AC PLANTS AND CONNECTED WORKS AT AF STN GORAKHPUR

Amount

Descaling of shell & tube type condenser by opening of condenser cover from both ends followed by un screwing of existing water supply line (Inlet/Out let) of any size including reconnecting properly by puttying necessary gasket after decaling is complete all as specified and directed for the following condenser including evapovrating coils, housing , cleaning of air filter with chemical etc :- Condenser 26 TR-12 AFH

All as above but condenser 30 TR at Simulator

All as above bu condenser 7.5 TR at ASMS

All as above but condensor 15 TR chiller simulator

All as above but condensor 12 TR CRSS AC plant

All as above but condensor 12 TR AT SES AC PLANT

All as above but condensor 39 TR AT SHAMSHER AC PLANT

All as above but condensor 65 TR AT WSA AC PLANT

Cleaning and de scaling of existing water supply line from FRP to cooling tower including fins of FRP of any size by un screwing , running ,joints to valves by pouring and flowing decaling liquid. The process will continue till scales are removed ,including reconnection , running joints & valves etc complete all as specified and directed for following sizes of FRP 60 TR cap – Simulator AC plant

All as above but 15 TR Cap at Simulator chiller A/C plant

All as above but 12 TR Cap – CR & SS Hanger

All as above but 15 TR Cap – at ASMS

All as above but 39 TR Cap – at Shamsher Auditorium

All as above but 130 TR Cap -at WSA AC plant

All as above but 52TR Cap – at 12 AF Hosp

Detection of leakage in refrigeration system by vacuuming the system, charging Nitrogen gas / Halide torch including rectification with material & labour except refrigerant gas complete all as specified and directed in all respect of 12 TR CR & SS Hangar

All as above but 12 TR at SES AC plant

All as above but 15 TR ASMS AC Plant/Chiller simulator AC Plant

All as above but 30 TR at Simulator

All as above but 26 TR at 12AFH AC plant

All as above but 80 TR cap – at Drain AC Plant

All as above but 39 TR Cap at Shamsher Auditorium

All as above but 65 TR Cap at WSA AC Plant

Supply and charging of compressor oil N-68

Supply and charging M-22 gas

Supply and charging of R -407 gas

Supply and charging of R-134 gas

S&F Solenoid valve 3 way pilot control type suitable for Chiller & AHU unit for Central AC Plant

Repair/ maintenance of package type AC plant of 7.5 TR capacity each connected accessories such as compressor, Humidity control, Air handling unit, cooling tower, pump etc complete Note :- (a) Maintenance of installation shall be carried out as directed (b) The rate quoted shall be deemed to be included the cost of any minor spares such as Gland, Nut, bolt, washers, Gasket (gas will be measured and paid separately )

Dismantling and removing defective compressor and replacing the same with new sealed compressor of approved make obtained from authorised dealers for 7.5 TR package type AC plant complete all as specified and directed. Make : Kirloskar or equivalent in Copeland /L& T.

Supply and fix strainer drier 5/8" parts of package type AC plant 22.5 TR capacity (7.5TR x 3 Nos ) which may found defective while repairing/work as catered in Sr No. 01 of BOQ.

All as per above but supply and fix LP/HP cut out Make Indfors/Ranco/Renutrol

All as per above but supply and fix main thermostate Make Indfors/Ranco/Renutroll

All as per above but supply and fix for replacement of canvas cloth on duct with provision of zips at out side of package unit

All as per above but supply and fix Thermometer

All as per above but supply and fix in repair V-belt of size A-36

All as per above but supply and fix power contactor ML 1.5 or equivalent

All as per above but supply and fix control relay

All as per above but supply and fix push button

All as per above but supply and fix indicating lamp

All as per above but supply and fix auxilary contactor Make : L&T or equivalent

All as per above but supply and fix copper tubing for 7.5 Ton capacity

All as per above but supply and fix fins for cooling tower as per sample

All as per above but supply and fix glass wool for package type unit

Dismantling of condensor pump motor of capacity 3 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of Pakage type AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc at ASMS AC Plant etc complete all as specified directed .

Dismantling of blower motor of capacity 2.5 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of Pakage type AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc at ASMS AC Plant etc complete all as specified directed

Repair/ maintenance of Open type AC plant of 30 TR capacity each connected accessories such as compressor, Humidity control, Air handling unit, cooling tower, pump etc complete all as specified and directed Note :- (a) Maintenance of installation shall be carried out as directed (b) The rate quoted shall be deemed to be included the cost of any minor spares such as Gland, Nut, bolt, washers, Gasket (gas will be measured and paid separately )

Supply and fix strainer drier 5/8" parts of package type AC plant 60 TR capacity (30 TR x 3 Nos ) which are found defective while repairing works as catered in Sr No. 01 of BOQ.

All as per above but supply and fix LP/HP cut out Make Indfors/Ranco/Renutroll

All as per above but supply and fix main thermostate Make Indfors/Ranco/Renutroll

All as per above but supply and fix for replacement of canvas cloth on duct with provision of zips at out side of package unit

All as per above but supply and fix Thermometer

All as per above but supply and fixing in repair V-belt of size as per sample Make Indfors/Ranco/Renutroll

All as per above but supply and fix power contactor ML 1.5 or equivalent

All as per above but supply and fix control relay

All as per above but supply and push button

All as per above but supply and fix indicating lamp

All as per above but supply and fix auxilary contactor Make : L&T or equivalent

All as per above but supply and fix copper tubing for 30 Ton capacity

All as per above but supply and fix air filter of size 600mm X 300 mm as per sample

All as per above but supply and fix glass wool for package type unit

Dismantling of any type motor of capacity 12.5 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc at Simulator AC Plant complete all as directed.

Dismantling of compressor motor of capacity 30 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc at Simulator AC Plant complete all as directed .

Dismantling of blower motor of capacity 05 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc at Simulator AC Plant complete all as directed .

M & L for servicing and overhauling of compressor, model SMC (8-65) Cap - 30 TR, make "Accel" located at Simulator AC Plant including disconnecting/ dismantling the compressor from AC plant for and take the compresser components by transporting from AF Stn Gkp to Gkp city work shop, for repair and replacement of Unserviceable components including machining and grinding on lathe & polishing to cranks shaft complete all as specified and directed Note : (i) Defective Item replaced from sch 'A' item No 65 of BOQ will be paid under item No 65 to 80 for supply only. (ii) Refrigeration gas & compressor oil shall be paid separately

Supply only thrust washer Make Infors/Ranco/Renutroll

Supply only main bearing

Supply only half suction bearing

Supply only Suction reed

Supply only discharge reed

Supply only gudgeon pin bush with lock

Supply only Liner

Supply only Discharge valve plate Assembly

Supply only Loader/ un loader Assembly

Supply only Gasket set

Supply only Piston with Ring

Supply only Oil pump gear set (Set of 2)

Supply only Shaft seal

Supply only Suction valve plate assembly

Supply only connecting rod assembly

Repair/ maintenance of Sealed type AC plant of 26 TR capacity each connected accessories such as compressor, Humidity control, Air handling unit, cooling tower, pump etc complete Note :- (a) Maintenance of installation shall be carried out as per directed . (b) The rate quoted shall be deemed to be included the cost of any minor spares such as Gland, Nut, bolt, washers, Gasket (gas will be measured and paid (separately)

Supply and fix strainer drier 5/8" parts of package type AC plant 52 TR capacity (26 TR x 3 Nos ) which are found defective while repairing works as catered in Sr No. 01 of BOQ.

All as per above but supply and fix microbased sensors of LWT /EWT

All as per above but supply and fix main thermostate

All as per above but supply and fix replacement of canvas cloth on duct with provision of zips at out side of package unit

All as per above but supply and fix Thermometer

All as per above but supply and fixing in repair V-belt of size as per sample

All as per above but supply and fix power contactor MNX -45 or equivalent

All as per above but supply and fix control relay

All as per above but supply and fix push button

All as per above but supply and fix indicating lamp

All as per above but supply and fix auxilary contactor

All as per above but supply and fix copper tubing for 26 Ton capacity

All as per above but supply and fix air filter of size 600mm X 600 mm as per sample

All as per above but supply and fix glass wool for package type unit

All as per above but supply and fix Pre Filter 10 micron of 600mmX 600 mm as per sample

All as per above but supply and fix Pre Filter 10 micron of 600mmX 300 mm as per sample

Dismantling of AHU/Chiller single phase motor of capacity 7.5 HP removing the burnt coil, re-winding of motor with super enamelled copper wire of suitable size and gauge including replacement of bearing of AC unit, cleaning properly the slots, baking of winding, greasing of bearing etc for AC Plant etc complete all as specified and directed

Supplying ,installation,testing and commissioning of vertical laminar flow system factory made make of SS 304 matt finish construction with air velocity of 90-110 FPM with mini pleat Hepa filter of efficiency 99.99 % down to 0.3 micron of H-14 grade with micro glass fibre paper media and hot melt glove separator sealed with epoxy based polyurethane adhesive with SS grill filter protection including all accessories like centre cut out for light fittings cut out with flange for aluminium anodized supply air duct connection from AHU No 1 and pressure gauage suitable to check the pressure drop across Hepa filter etc of Make Dyna Filters /equivalent for OT1 and eye OT ( Ultra sterite Area)

All as above but Mini Hepa filter 1220x610x70 mm

All as above but Mini Hepa filter 1220x270x70 m

All as above but Mini Hepa filter 610x305x70 mm

Repair/ maintenance of Sealed type AC plant DARIN III of 80 TR capacity each connected accessories such as compressor, Humidity control, Air handling unit, cooling tower, pump etc complete all as specified and directed Note :- (a) Maintenance of installation shall be carried out as directed (b) The rate quoted shall be deemed to be included the cost of any minor spares such as Gland, Nut, bolt, washers, Gasket (gas will be measured and paid separately )

Supply and fix three pole MCB 63 Amps parts of package type AC plant 160 TR capacity (80 TR x 3 Nos ) which are found defective while repairing works as catered in Sr No. 01 of BOQ.

All as per above but supply and fix microbased sensors of LWT /EWT as per sample

All as per above but supply and fix main thermostate

All as per above but S&F for replacement of canvas cloth on duct with provision of zips at out side of package unit

All as per above but supply and fix Thermometer

All as per above but supply and fixing in repair V-belt of size as per sample

All as per above but supply and fix power contactor MNX -45 or equivalent

All as per above but supply and fix control relay

All as per above but supply and fix push button

All as per above but supply and fix indicating lamp

All as per above but supply and fix auxilary contactor

All as per above but supply and fix copper tubing for 26 Ton capacity

All as per above but supply and fix air filter of size 600mm X 600 mm as per sample Make Indfors/Ranco/Renutrol

All as per above but supply and fix glass wool for package type unit

All as per above but supply and fix Pre Filter 10 micron of 600mmX 600 mm as per sample

All as per above but supply and fix Pre Filter 10 micron of 600mmX 300 mm as per sample

M & L for rewinding of Mono block 3 phase 7. 5 HP by superior quality of super enameled copper wire of matching size of appropriate size of including material & drg, insulating and proper fitting/ parts required for replacement shall be said separately complete all as specified and directed .

M & L for rewinding of Mono block 3 phase 3 HP by superior quality of super enameled copper wire of matching size of appropriate size of including material & drg, insulating and proper fitting ( parts required for replacement shall be said separately complete all as specified and directed .

S & F in replacement of Bronze impeller suitable for 7.5 HP pump etc. complete all as specified and directed .

S & F in replacement of bearing suitable for 7.5 HP pump etc complete all as specified and directed.

S & F Shaft Seal Model SMC 8-65 ACCEL Compressor complete all as specified and directed.

S & F Shaft Seal Model SMC 3-65 ACCEL Compressor complete all as specified and directed .

S & F in replacement of safety valve suitable for 4-65 ACCEL Compressor complete all as specified and directed.

S & F in replacement of safety valve suitable for 8-65 ACCEL Compressor complete all as specified and directed .

S & F in replacement of Solenoid valve suitable for compressor model 8-65 ACCEL for SIMULATOR AC PLANT complete all as specified and directed .

S&F oil failure switch MP-55 all as specified and directed Make Infors/Ranco/Renutroll

S&F in replacement Y-strainer for CAP 7.5 TR TO 50 TR AC plant as per suitable size all as specified and directed.

S&F pressure gauge 150/200/300 PSI all as specified and directed

S&F Heating strip 3 KW all as specified and directed

M&L for painting of complete AC plant(Compresser,condenser ,Water pipe line , Cooling tower & all piping), preparation of old size and applying two coat of synthetic enamel paint(Blue colour) and writing of SM/MES No complete including LT panel of Simulator AC Plant all as specified and directed

M&L for housing of cooling tower with blade for 52 TR capacity AC plant with connected accessories all as specified and directed

S&F in replacement of new of XLPE insulated armour Auminium conductor size 120X3.5 core 1.1 KV all as spcified. Make: Rallision/ Havells /KEI

S&F in replacement of new of XLPE insulated armour Aluminium conductor size 95X3.5 core 1.1 KV all as spcified. Make: Rallision/ Havells /KEI

S&F in replacement of PVC copper cable size 6 Sqmm 3 core , 415 V all as spcified. Make: Rallision/ Havells /KEI

S&F in replacement of PVC copper cable size 10 Sqmm 3 core , 415 V all as spcified. Make: Rallision/ Havells /KEI

S&F in replacement of PVC copper cable size 16 Sqmm 3 core , 415 V all as spcified. Make: Rallision/ Havells /KEI

M&L MCCB 100 amp 415Volts 4 Pole 36 KA With Thermal adjutment and magnetic setting complete with sheet steel enclosure and fixing on Exiting PANEL all as required with nut bolts complete all as specified and directed.and .taking down old one.

M&L MCCB 200 amp 415Volts 4 Pole 36 KA With Thermal adjutment and magnetic setting complete with sheet steel enclosure and fixing on Exiting PANEL all as required with nut bolts complete all as specified and directed.and .taking down old one.

M&L MCCB 250 amp 415Volts 4 Pole 36 KA With Thermal adjutment and magnetic setting complete with sheet steel enclosure and fixing on Exiting PANEL all as required with nut bolts complete all as specified and directed.and .taking down old one.

Supply and fixing in replacement of Voltmeter 0-500 Amp make:- L&T/AE/AEE

S & F DOL starter 3 phase of 5 HP, 415 volts MK 1.5, all as specified and directed.Make Havells/ L&T OR Equvilant .

S & F DOL starter 3 phase of 7.5 HP, 415 volts MK 1.5, all as specified and directed.Make Havells/ L&T OR Equvilant .

Supply only MCB TPN with 'C' curve 63 Amps complete all as spcified and directed

Sanjai sales and services

M/s Mahendra Construction