MAINTENANCE / REPAIRS TO PACKAGE AND CENTRAL AC PLANTS AT AIR FORCE STATION BIDAR

Amount

Diconnection & Removing the unserviceable V - Belt from the AHU of package type AC Plant S & F 'V' belt of sizes A -83. Make : Fenner / Lucas/ TVS complete all as specified and as directed.

All as per item No 1 above but of size A-80 complete all as specified and as directed.

All as per item No 1 above but of size A-32 complete all as specified and as directed.

All as per item No 1 above but of size A-28 complete all as specified and as directed.

Disconnection and Removing the existing unserviceable Air filter from central type AC Plant, and S&F new Air filter of size 600mm x 500mm x 46mm to match the existing system complete all as specified and as directed.

All as per item No 5 above but of size 600mm x 600 mm x 46 mm complete all as specified and as directed.

Disconnection and removing the existing unserviceable Air filter from of package type AC Plant, and S&F new Air filter to match the existing size, dimension etc. suitable for (3 X 18TR ) capacity complete all as specified and as directed.

All as per item No 7 above but of capacity (3 x 16.5) TR complete all as specified and as directed.

All as per item No 7 above but of capacity (3 x 13.7) TR complete all as specified and as directed.

Disconnection and Removing the existing unserviceable liquid drier filter from Central Type AC Plant and S&F new liquid drier filter of capacity (3X 33 TR) suitable for existing system complete all as specified and as directed. Make :- Blue Star / Endofass / Sporian / Danfoss.

All as per item No 10 above but of capacity (3 X 12) TR complete all as specified and as directed.

Disconnection and Removing the existing unserviceable liquid drier filter from Package Type AC Plant and S&F new liquid drier filter of capacity(3X 18 TR) suitable for existing system complete all as specified and as directed. Make :- Blue Star / Endofass / Sporlan / Danfoss.

All as per item No 12 above but of capacity (3 x 16.5) TR complete all as specified and as directed.

All as per item No 12 above but of capacity (3 x 13.7) TR complete all as specified and as directed.

Disconnection and Removing the existing unserviceable thermostatic expansion valve from central Type AC Plant of capacity (3 X 33 TR)and S&F new thermostatic expansion valve of same size and capacity as at site including misc repairs such as Welding / Brazing of copper pipe leak testing etc. complete all as specified and as directed. Make : - Danfoss or its equivalent in Blue Star / Endofass.

All as per item No 15 above but of capacity 3 X 12 TR 3 Ph 50 Hz complete all as specified and as directed. Make : - Danfoss or its equivalent in Blue Star .

Disconnection and Removing the existing unserviceable thermostatic expansion valve from Package Type AC Plant and S&F new thermostatic expansion valve suitable for(3X 18 TR) unit including Welding / Brazing work etccomplete all a specified and as directed Make :- Sporlan / Danfoss / Endofass.

All as per item No 17 above but of capacity (3 x 16.5) TR complete all as specified and as directed.

All as per item No 17 above but of capacity (3 x 13.7) TR complete all as specified and as directed.

Disconnection and Removing the existing unserviceable scroll compressor unit from Central Type AC Plant and replacing the same with new sealed compressor unit of capacity 11 TR including necessary welding / brazing, pressure testing with dry nitrogen, vacuumising and charging with refrigerant R-22 after ensuring leak proof condition and testing complete all as specified and as directed. Make : - Danfoss Scrool Model: SM 185 or its Equivalent Copland Scrool.

All as per item No 20 above but of capacity 12TR complete all as specified and as directed.

Disconnection and Removing the existing burnt / unserviceable scroll compressor unit of capacity 5.5 TR from packager type A/C plant and replacing the same with new sealed compressor unit including necessary welding / brazing, pressure testing with dry nitrogen, vacumising and charging with refrigerant R-22 after ensuring leak proof condition and testing complete all a specified and as directed Make :- Copland Scrool, Danfoss Scrool.

All as per item No 22 above but of capacity 9 TR, 3 Phase, 50 Hz complete all as specified and as directed.

All as per item No 22 above but of capacity 13.7 TR, 3 Phase, 50 Hz complete all as specified and as directed. Note for Item No. 20 to 24 :- Gas charging for topping up will be measured and paid under the relevant item of the Schedule.

Disconnecting and Removing the existing unserviceable condenser fan motor from AC outdoor unit S&F new condenser fan motor Single phase 230 Volts, 1.5 KW, 1500 RPM as per the existing make, size and specifications complete all as specified and as directed.

Disconnecting and Removing the existing unserviceable condenser fan motor from AC outdoor unit S&F new condenser fan motor Single phase 230 Volts, 1.0 KW, 1500 RPM as per the existing make, size and specifications complete all as specified and as directed.

Disconnecting and Removing the existing unserviceable MCCB's including spreading link from the existing LT Panel Board and S&F MCCB 4P, 400 A, 36 KA including spreading link in its original position and reconnecting the LT cables as per the existing color code complete all as specified and as directed. Make : - L&T / Havells / Seimens / Standard.

All as per item No 27 above but of 4P, 250 A, 36 KA complete all as specified and as directed.

All as per item No 27 above but of 4P, 200 A, 36 KA complete all as specified and as directed.

All as per item No 27 above but of 4P, 125 A, 16 KA complete all as specified and as directed.

All as per item No 27 above but of 4P, 100 A, 16 KA complete all as specified and as directed.

All as per item No 27 above but of 4P, 63 A, 16 KA complete all as specified and as directed.

Disconnecting and Removing the unserviceable power contactor including auxilary contactor from LT Panel of central AC Plant and S&F new power contactor 3P, 18 A including auxilary contact with coil voltage 230/415 Volts complete all as specified and as directed. Make :- L&T : Model : MNX 18 or its Equivalent in Seimens / Crompton.

All as per item No 33 above but of capacity 25 A complete all as specified and as directed. Make :- L&T : Model : MNX-25 or its Equivalent in Seimens / Crompton.

All as per item No 33 above but of capacity 32 A complete all as specified and as directed. Make :- L&T : Model : MNX-32 or its Equivalent in Seimens / Crompton.

All as per item No 33 above but of capacity 45A complete all as specified and as directed. Make :- L&T : Model : MNX-45 or its Equivalent in Seimens / Crompton.

Disconnecting and Removing the unserviceable thermal over load relay from LT Panel of central AC Plant and S&F new over load relay 3 Phase, Range 9-15 A, 440 V of suitable for the existing load complete all as specified and as directed. Make :- L&T : Model : MN2 Cat No: SS94142OOBO or its Equivalent in Seimens / Crompton.

Disconnecting and Removing the unserviceable thermal over load relay from LT Panel of central AC Plant and S&F new over load relay 3 Phase, 14-23 A, Range 440 V of suitable for the existing load complete all as specified and as directed. Make :- L&T : Model : MN2 Cat No: SS94144OODO or its Equivalent in Seimens / Crompton.

Disconnecting and Removing the unserviceable electronic timer from LT Panel of central AC Plant and S&F new electronic timer having time delay 12 to 120 Sec from star to delta conversion, 3 Phase, 440 V, 50 Hz complete all as specified and as directed. Make :- L&T : Model : ST 100 or its Equivalent in Minilec / GE / C&S.

Disconnecting and Removing the unserviceable MCB from LT Panel S&F MCB 3 Pole, Current rating 40 A, 415 V, 50 Hz and breaking capacity 10 KA complete all as specified and as directed. Make :- L&T Cat No: BB30400B or its Equivalent in Seimens / ABB.

All as per item No 40 above but of capacity 63 A complete all as specified and as directed.

Disconnecting and Removing the Shaft and bearing from the Unit of Central AC Plant of capacity (3 x 33 TR) M&L for new shaft and bearing and make the proper alignment between the motor Shaft and Blower unit of the AHU and refix the existing V-Belt for proper Mechanical coupling and to reduce the osciliations AHU and to improve the system stability complete all as specified and as directed.

Disconnecting and Removing the Shaft and bearing from the Unit from packaged type AC(3 X 18 ) TR Plant M&L for new shaft and bearing and make the proper alignment between the motor Shaft and Blower unit of the AHU and refix the existing V-Belt for proper Mechanical coupling and to reduce the osciliations AHU and to improve the system stability complete all as specified and as directed.

All as per item No 43 above but of capacity (3 X16.5) TR complete all as specified and as directed.

All as per item No 43 above but of capacity (3 x13.7) TR complete all as specified and as directed.

Disconnecting and Removing unserviceable induction motor of capacity 4 HP from AHU of Central / Package type AC Plant and transporting to work shop and re-winding the same with super enamelled copper conductor of existing gauge, size turns with varnishing class-B insulation etc complete all a specified and as directed.

All as per item No 46 above but of capacity 5 HP complete all as specified and as directed.

All as per item No 46 above but of capacity 10 HP complete all as specified and as directed.

All as per item No 46 above but of capacity 15 HP complete all as specified and as directed.

Cleaning of condenser Air cooled and cooling coil( 3 X 13.7 TR) with castic soda and soap solution by using Chemical method complete all as specified and as directed.

All as per item No 50 above but of capacity (3 x 16.5 ) TR complete all as specified and as directed.

All as per item No 50 above but of capacity (3 x 18 ) TR complete all as specified and as directed.

Disconnection and Removing the unserviceable Controller Graphical Display Unit from the central Type AC Plant of capacity (3 X 33) TR and S&F New Controller Graphical Display Unit complete all as specified and as directed. Make :- Blue Star or its Equivalent

All as per item no 53 above but of capacity (3 x 12) TR complete all as specified and as directed. Make :- Blue Star or its Equivalent

Disconnection and Removing the unserviceable Controller Graphical Display Unit from the Package Type AC Plant of capacity (3 X 18) TR and S&F New Controller Graphical Display Unit complete all as specified and as directed. Make :- Blue Star or its Equivalent

All as per item No 55 above but of capacity (3 x 16.5) TR complete all as specified and as directed.

All as per item No 55 above but of capacity (3 x 13.7) TR complete all as specified and as directed.

Disconnection and Removing the unserviceable Mother Board Unit from the Central Type AC Plant of capacity (3 x 33) TR and S&F New Mother Board Unit complete all as specified and as directed. Make :- Blue Star or its Equivalent

All as per item No 58 above but of capacity (3X 12) TR complete all as specified and as directed.

Disconnection and Removing the unserviceable Mother Board Unit from the Package Type AC Plant of capacity (3 X 18) TR and S&F New Mother Board Unit complete all as specified and as directed. Make :- Blue Star or its Equivalent

All as per item No 60 above but of capacity (3 x 16.5) TR complete all as specified and as directed.

All as per item No 60 above but of capacity (3 x 13.7) TR complete all as specified and as directed.

M & L for cleaning and preparation of old painted surfaces of pakage type AC indoor unit and spray painting to AC complete with two coats of synthetic enamel paint and making SM/MES Nos, re fixing the indoor unit complete all as specified and as directed.

M & L for cleaning and preparation of old painted surfaces of LT pannels and spray painting to pannel complete with two coats of synthetic enamel paint complete all as specified and as directed.

Supply and Charge Refrigerant (R-22)/F-22/R-410A/R-134/R-32 suitable for existing 1.5/2/3 Ton Capacity Split / Window type air conditioning unit complete all as specified and as directed

Dismantling the earth chamber, Excavation and removing the u/s earthing materials along with u/s earth electrodes from the existing u/s earth pits pertains to installations/ buildings and M&L for providing earthing complete with Copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick buried directly in ground earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 Mtr below normal ground level, Alternate layers of charcoal & common salt Crystal, in and including back filling compund in layers and filling up with black cotton soil upto the top edge/ ground level and connected to copper earth strip 20 x 3 mm by means of bolts, nuts, check nuts & washers of copper and connecting to earth dolly, equipment all as shown in electrical plate No. 3 of SSR Part I of 2009 & testing complete including 40mm dia light grade GI pipe upto 7.5 mtr long, excavation in any type of strata, PCC (1:3:6) type C1, earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg / Sqm with frame, including 20 mm bore water pipe medium grade GI Tubing including GI Funnel, wire mesh etc complete all as specified and as directed.

Supply & laying copper strip 20 mm x 3.15 mm on walls / in trench as grid conductor / strip etc. complete all as specified and as directed

RASI AND COMPANY (BID ID -3106437)