COMPREHENSIVE MAINT TO A3 MTRDC AC PLANTS L STAR AC PLANT VRF AC PLANTS SNFM AC PLANTS GM AC PLANT REPAIR AND MAINTENANCE WORKS AT LRDE UNDER GE I R AND D WEST BENGALURU

Notes :- The quoted firm shall have a visit to all site areas of AC Plants and check all the parameters of schedules and connected works before quoting their rates, The quoted firm shall have to carry out comprehensive maintenance (complete mechanical and electrical works of AC Plants complete) from OEM authorised servicing centre of any one manufactureres of the schedule mentioned AC Plant OEM makes, the lowest bidder should submit original copy of the MOU made with the any OEM as mentioned in the schedule makes of the AC Plants to the Garrison Engineer for verification and issue of work order for commencement of the schedule works. The compressors, PCB boards, Mother boards, Fan motor of VRF AC Plants complete should be purchased from respective VRF make authorised dealer/distributor/service centre only strictly . The contractor should deploy only MOU OEM technicians only for AC Plant mechanical, electrical works requirements during entire currency of the contract as and when necessary along with their ID cards. All general Notes for Sch items encl in PS

Material and labour for Comphrensive mainteanance of centralised air conditioning plant 2 x 165 TR capacity (Total 495 TR cap plant on site, out of which 1 x 165 TR chiller unit unserviceable, Plant Make - Carrier) as per site installed at A3MTDC building in LRDE comprising of screw chiller compressors units motors condensers , water chilling units cooling towers, Air handling units in and including checking of general leakages and loose connections of supply and return air ducts , control panels , gauges safety devices including pumps GI ducts with thermal insulation, plant control panels, LT supply Panel boards, carrying out the complete day to day maintenance checks, repairs and preventive maintenance checks, repairs all as per site, manufacture's instructions to entire AC plants Including replacement of all worn out / defective parts consumbles and components, gas filling all as required for smooth and effecient functioning of AC plant in all respects to achieve desired cooling conditions complete all as directed by Engr -in charge.

Material and labour for Comphrensive mainteanance of Centralised air conditioning plant VRF 80 HP cap (Consisting of 28 HP +28 HP + 24 HP = 80 HP) of Make - Bluestar as per site installed at Admin AC installation LRDE for using Admin bldg Ground floor requirements, plant consisting of compressors (Make & model - ANB78FVAMT, Gas cooling R410a), Air handling unit / Evaporative coil - Cooling coils, Blower fan, Fan motor (Make- Crompton), Air filter (Type of filter - Box type pre filter), Duct factory fabricated galvanised iron sheet, Aluminium grills, insulation - Nitrite rubber, LT Panel boards, carrying out the complete day to day maintenance checks, repairs and preventive maintenance checks, repairs all as per site, manufacture's instructions to entire AC plant Including replacement of all worn out / defective parts, consumbles and components etc all as required for smooth and effecient functioning of AC plant in all respects to achieve desired cooling conditions complete all as directed by Engr -in charge. Location : Admin AC Installation LRDE (Plant using for Admin bldg GF).

Material and Labour for Comphrensive mainteanance of Centralised air conditioning plant VRF 80 HP cap (Consisting of 28 HP +28 HP + 24 HP = 80 HP) of Make - Bluestar as per site installed at Admin AC installation LRDE for using Admin bldg First floor requirements, plant consisting of compressors (Make & model - ANB78FVAMT, Gas cooling R410a), Air handling unit / Evaporative coil - Cooling coils, Blower fan, Fan motor (Make- Crompton BHP - 20 HP), Air filter (Type of filter - Box type pre filter), Duct factory fabricated galvanised iron sheet, Aluminium grills, insulation - Nitrite rubber, LT Panel boards, carrying out the complete day to day maintenance checks, repairs and preventive maintenance checks, repairs all as per site, manufacture's instructions to entire AC plant Including replacement of all worn out / defective parts, consumbles and components etc all as required for smooth and effecient functioning of AC plant in all respects to achieve desired cooling conditions complete all as directed by Engr -in charge. Location : Admin AC Installation LRDE (Plant using for Admin bldg First Floor).

Supply of VRF Compressor oil 4319-24-1L for replacement complete in all respects all as directed by Engineer-in-charge.

Supply and Charging of R-410a Refrigerant gas complete in all respects all as directed by Engineer-in-charge.

Comphrensive mainteanance of Centralised air conditioning plan 2 X 22 TR Aircooled scroll chiller 02 Nos compressors operated on R-407 C Refrigerent with pumps, electrical panel, Aluminium ducting MS piping cabling complete in all respects as per site installed at SNFM using for Ground floor testing chamber and First floor control cabin, LT Panel boards carrying out the complete day to day maintenance checks, repairs and preventive maintenance checks, repairs all as per site, manufacture's instructions to entire AC plant Including replacement of all worn out / defective parts consumbles and components, gas filling all as required for smooth and effecient functioning of AC plant in all respects to achieve desired cooling conditions complete all as directed by Engr -in charge Location : SNFM AC Installation at LRDE (One Plant using for Ground floor Testing chamber andSecond plant using for First Floor floor control cabin ).

Comphrensive mainteanance of Centralised air conditioning plan 2 x 22 TR Aircooled scroll chiller 02 Nos scroll compressor operated on R 407 C Refrigent with pumps electrical panels aluminium ducting MS piping cabling complete in all respects as per site installed at GM PROGRAMME AC Plant installation (Both Plants are using simulteneously One plant for RADAR Bldg GF Room No. 115 and Second plant for RADAR Bldg 1st floor Room No. 209 & 211), LT Panel boards carrying out the complete day to day maintenance checks, repairs and preventive maintenance checks, repairs all as per site, manufacture's instructions to entire AC plant Including replacement of all worn out / defective parts consumbles and components, gas filling all as required for smooth and effecient functioning of AC plant in all respects to achieve desired cooling conditions complete all as directed by Engr -in charge Location : GM PROGRAMME AC Plant installation (Both Plants are using simulteneously One plant for RADAR Bldg GF Room No. 115 and Second plant for RADAR Bldg 1st floor Room No. 209 & 211)

Disconnecting the cassette/ split type AC’s 3.0 /2.0 / 1.5 capacity working on 440 Volts, 3 phase or 230 Volts, single phase complete, taking down indoor and out door units control cble refrigerent pipe etc from the existig location of height upto 10 mtr using tools, plants and ladders etc and kept a side, reinstall in the other palce of the same building, testing the unit for smooth functioning complete all as directed by Engineer-in-charge Note for Sl No. 17 to 18 : Spares, pipe, cable, Gas charging if necessary shall be measured and paid separately under relevent item of the schedule.

Supply and charging refrigerant R-22/R-140/R-134A/ 90 AC/410A etc for cassette/ split type AC’s 3.0 /2.0 / 1.5 capacity any model make as per site reqirements after flushing the refrigeration system with CO2, testing cooling and commissioning complete all as directed by Engineer-in-charge.

Material and labour for replacement PVC insulated copper cable of size 2.5 sq mm 4 core as per site requirements complete as directed by Engineer-in-charge.

Material and labour for replacement single pole contactor single-phase 230 Volts 25 Amps for split / cassette type AC cap 1.5 to 2.0 TR of any type, model complete all as directed by Engineer-in-charge.

Material and labour for replacement out door Copper condenser coil suitable for cap 1.5/2 TR AC of any type, model complete all as directed by Engineer-in-charge.

Material and labour for replacement copper tube 5/8 inch suitable for AC of any cap, type, model complete all as directed by Engineer-in-charge.

Material and labour for replacement copper tube 3/8 inch suitable for AC of any cap, type, model complete all as directed by Engineer-in-charge.

Material and labour for replacement copper tube 1/4 inch suitable for AC of any cap, type, model with sleeve complete all as directed by Engineer-in-charge.

Material and labour for replacement PCB assembly suitable for indoor unit of cap 1.5/2.0/3 TR of any type AC of any type, model as existing on the ground complete all as directed by Engineer-in-charge.

Material and labour for replacement PCB assembly suitable

Material and labour for replacement PCB assembly suitable

for outdoor unit of cap 1.5 / 2.0/3 TR inverter AC of any type, model as existing on the ground complete all as directed by Engineer-in-charge.

Material and labour for rectification and repairing works to indoor and out door PCB units errors suitable for site requirements for proper functioning of AC cap 1.5 / 2.0 TR of any type, model complete all as directed by Engineer-in-charge.

Supply and fixing manufactureres Scroll compressor suitable for any type AC of 3 ton capacity 3 phase as per existing on ground make and model complete for replaement all as directed by Engineer-in-charge.

Material and labour for replacement out door Condenser fan motor suitable for cap 1,5/2.0 TR inverter 3 phase AC of any type, model complete all as directed by Engineer-in-charge.

Material and labour for replacement indoor blower motor suitable for indoor unit of cap 1.5/2.0 TR inverter AC of any type, model complete all as directed by Engineer-in-charge.

Supply and fixing manufactureres Rotary compressor suitable for any type AC of 2 ton capacity inverter type Single phase as per existing on ground make and model complete for replacement all as directed by Engineer-in-charge.

Material and labour for replacement out door condensor fan blade suitable for 1.5/2/ 3 TR capacity Air conditioners icomplete all as directed by Engineer-in-charge.

Supply and fixing manufactureres Rotary compressor suitable for split type AC of 1.5 ton capacity inverter type Single phase as per existing on ground make and model complete for replacement all as directed by Engineer-in-charge Note for item No. 39 to 41 :- 1) Refrigerent gas as applicable shall be measured and paid separately under respective sch item all as directed by Engineer-in-charge.

Material and labour for replacement Running capacitor 36 Mfd, 440 Volts, AC, 50 Hz. suitable for 1.5/2 TR capacity Air conditioners complete all as directed by Engineer-in-charge.

Material and labour for replacement Running capacitor 45 Mfd, 440 Volts, AC, 50 Hz. suitable for 1.5/2 TR capacity Air conditioners complete all as directed by Engineer-in-charge.

Material and labour for coil sensor Thermostat suitable for 1.5/2/ 3 TR capacity Air conditioners icomplete all as directed by Engineer-in-charge.

Material and labour for replacement water flow switch unit suitable for cassette Air conditioners of any type, cap model complete all as directed by Engineer-in-charge.

Material and labour for replacement AC load manager for Two ACs unit suitable for 1.5/2 TR capacity Air conditioners of any type, model complete all as directed by Engineer-in-charge.

Material and labour for Robotic cleaning for complete cleaning of ducts by using HEPA filtered vaccum unit to create negative pressure in the duct system, by placing the same outside the occupied space by using variety of tools to agitate and loosen the dust, which shall be then drawn into the vaccum unit and contained therein. the cleaning should be done by using robotic video camera for cleaning equipments. Access cutting can be made, if required and shall later be refitted with screw and sealant. All floors and furnishing where the work will be carried on shall be covered and complete care shall be taken to avoid minimum amount of cross. contamination upon completion of work the system shall be sanitized by fogging the ducts to ensure all mold and bacteria spores and foul smell is eradicated the entire process shall be carried out with air compressor with bib pneumatic air whips and powers jobs, rotary brush drum vaccum wit pipe. Negative machine HEPA and suitable size hose pipe and robo camera with control unit, all cleaning agent chemicals used shall be inaccordance with the regulation and shall be certified for use in the respective system, for the AC plant 2 x 165 TR located at A3MTDC complete all as per existing on the ground as directed by Engr-in-charge.

All as per item No. 47 here-in-before mentioned but for the AC plant 2 x 75 TR located at L Star complete all as per existing on the ground as directed by Engr-in-charge.

All as per item No. 47 here-in-before mentioned but for the AC plant 2 x 22 TR located at Radar building and SNFM building complete all as per existing on the ground as directed by Engr-in-charge.

All as per item No. 47 here-in-before mentioned but for the VRF AC plant 80 HP (28 HP + 28 HP + 24 HP) located at Radar building and SNFM building complete all as per existing on the ground as directed by Engr-in-charge.

All as per item No. 47 here-in-before mentioned but for the VRF AC plant 12 HP (28 HP + 28 HP + 24 HP) located at RMED building and MTRDC Tech complete all as per existing on the ground as directed by Engr-in-charge.

All as per item No. 47 here-in-before mentioned but for the AC plant 3 x 275 TR located at CAIR complete all as per existing on the ground as directed by Engr-in-charge.

Taking down existing MS supports of AC duct of height 10 to 15 ft from ground floor of AC plant to A3MTDC Chamber front room carefully using necessary ladders/ scaffolding etc wthout damaging to ducting system/operation of AC plant complete all as direv=cted by e ngineer-in-charge,