Operation and Annual CMC for Centralized HVAC System at Calicut Airport including Special Repair works

Amount

Annual All Inclusive Comprehensive Maintenance of water cooled complete HVAC system having screw/centrifugal chiller,chilled and condenser water circulating system,cooling tower, AHUs, associated electrical and water softener systems, Air-conditioning Management System ( PC and associated field devices such as DDC panels, controllers, sensors etc.) and all as detailed elsewhere in the tender document. The job includes day to day maintenance of the systems, attending to the complaints, repairs/rectification works including consumables / spares, breakdown/ preventive /routine maintenance as per OEM recommendations /maintenance schedules, maintaining records etc. as required. a. International terminal HVAC Installations. (i) First Year ( 2024-25)

Annual All Inclusive Comprehensive Maintenance of water cooled complete HVAC system having screw/centrifugal chiller,chilled and condenser water circulating system,cooling tower, AHUs, associated electrical and water softener systems, Air-conditioning Management System ( PC and associated field devices such as DDC panels, controllers, sensors etc.) and all as detailed elsewhere in the tender document. The job includes day to day maintenance of the systems, attending to the complaints, repairs/rectification works including consumables / spares, breakdown/ preventive /routine maintenance as per OEM recommendations /maintenance schedules, maintaining records etc. as required. a. International terminal HVAC Installations. (ii) Second Year ( 2025-26)

Annual All Inclusive Comprehensive Maintenance of water cooled complete HVAC system having screw/centrifugal chiller,chilled and condenser water circulating system,cooling tower, AHUs, associated electrical and water softener systems, Air-conditioning Management System ( PC and associated field devices such as DDC panels, controllers, sensors etc.) and all as detailed elsewhere in the tender document. The job includes day to day maintenance of the systems, attending to the complaints, repairs/rectification works including consumables / spares, breakdown/ preventive /routine maintenance as per OEM recommendations /maintenance schedules, maintaining records etc. as required. b) Domestic terminal HVAC Installations. (i) First Year ( 2024-25)

Annual All Inclusive Comprehensive Maintenance of water cooled complete HVAC system having screw/centrifugal chiller,chilled and condenser water circulating system,cooling tower, AHUs, associated electrical and water softener systems, Air-conditioning Management System ( PC and associated field devices such as DDC panels, controllers, sensors etc.) and all as detailed elsewhere in the tender document. The job includes day to day maintenance of the systems, attending to the complaints, repairs/rectification works including consumables / spares, breakdown/ preventive /routine maintenance as per OEM recommendations /maintenance schedules, maintaining records etc. as required. b. Domestic terminal HVAC Installations. (ii) Second Year (2025-26)

Operation of water cooled complete HVAC system of International and Domestic terminal buildings, with all related equipments and accessories including AMS operations on all days including Sundays, Holidays and National Holidays, as per the requirements of AAI as indicated in elsewhere in the tender document.

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. a. Thickness 0.80 mm sheet

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. b.Thickness 0.60 mm sheet

Spray painting with one or more coat of synthetic enamel paint of approved brand, manufacturer and colour to give an even shade in the linear continuous grills and diffusers of assorted size, distribution boards, Electrical panels/ Junction boxes/feeder pillars, condenser pipe lines etc. pertaining to HVAC system provided in the Terminal Buildings, including cleaning the surface, applying two or more coats of primer wherever necessary including removing, shifting of installations from existing site to a suitable site for painting where ever required. Scope also includes re-lettering/lettering of various distribution boards/panels wherever required.

Supply installation, configuration, programming, testing and commissioning of following BMS controller compatible with the existing BMS system and integrating the same to the existing BMS system to achieve control and monitoring of the AHUs. The scope shall include provision and installation of all required peripheral devices or any components/firmware/software required for successful establishment of control and monitoring. AAI shall not be bound to provide any back up of firmware/software for completion of the work. a. PXC 12 or equivalent

Supply installation, configuration, programming, testing and commissioning of following BMS controller compatible with the existing BMS system and integrating the same to the existing BMS system to achieve control and monitoring of the AHUs. The scope shall include provision and installation of all required peripheral devices or any components/firmware/software required for successful establishment of control and monitoring. AAI shall not be bound to provide any back up of firmware/software for completion of the work. b. PXC 22 or equivalent

Supply installation, configuration, programming, testing and commissioning of following BMS controller compatible with the existing BMS system and integrating the same to the existing BMS system to achieve control and monitoring of the AHUs. The scope shall include provision and installation of all required peripheral devices or any components/firmware/software required for successful establishment of control and monitoring. AAI shall not be bound to provide any back up of firmware/software for completion of the work. c. PXG 80N or equivalent

Supply, installation, programming, testing and commissioning of following type CO2 sensor suitable for integration with Siemens Desigo CC BMS. The cost of integrating the sensor to the existing BMS shall also be inclusive in the scope.AAI shall not be bound to provide any back up of firmware/software for completion of the work. Siemens QPA2OOO / QPM1104

Supply, installation, programming, testing and commissioning of following Variable Frequency Drive(VFD) OF various capacity suitable for operation at voltage 415 +/- 10%, 3phase ,50 Hz input supply and providing an output of 0-415+/- 10%,3 phase,0 - 150 Hz including integration with existing BMS System (Siemens Desigo CC ) a.15 kw equivalent to Siemens SED2-15/32B

Supply, installation, programming, testing and commissioning of following Variable Frequency Drive(VFD) OF various capacity suitable for operation at voltage 415 +/- 10%, 3phase ,50 Hz input supply and providing an output of 0-415+/- 10%,3 phase,0 - 150 Hz including integration with existing BMS System (Siemens Desigo CC ) b. 11 kw equivalent to Siemens SED2-11/32B

Supply, installation, programming, testing and commissioning of following Variable Frequency Drive(VFD) OF various capacity suitable for operation at voltage 415 +/- 10%, 3phase ,50 Hz input supply and providing an output of 0-415+/- 10%,3 phase,0 - 150 Hz including integration with existing BMS System (Siemens Desigo CC ) c. 7.5 kw equivalent to Siemens SED2-7.5/32B

Supply, installation, programming, testing and commissioning of following Variable Frequency Drive(VFD) OF various capacity suitable for operation at voltage 415 +/- 10%, 3phase ,50 Hz input supply and providing an output of 0-415+/- 10%,3 phase,0 - 150 Hz including integration with existing BMS System (Siemens Desigo CC ) d. 5.5 kw equivalent to Siemens SED2 5.5/32B

Supply, installation, programming, testing and commissioning of following type 3 way mixing valve actuating motors suitable for operation at voltage 24 +/-20%,50 Hz,input supply including integration with existing BMS System (Siemens Desigo CC ) a. Equivalant to Siemens SKC60

Supply, installation, programming, testing and commissioning of following type 3 way mixing valve actuating motors suitable for operation at voltage 24 +/-20%,50 Hz,input supply including integration with existing BMS System (Siemens Desigo CC ) b .Equivalent to Siemens SQX62

Supply, installation, programming, testing and commissioning of following type Damper Actuating Motors suitable for operation at voltage 230 +/- 10 %,50 Hz input supply including integration with existing BMS System (Siemens Desigo CC ) Equivalent to SIEMENS GCA321.1E

Supply, installation, programming, testing and commissioning of following type Damper Actuating Motors suitable for operation at DC voltage 24 input supply including integration with existing BMS System (Siemens Desigo CC) Equivalent to SIEMENS GBB161.1E

Supply, installation, programming, testing and commissioning of following type temperature and RH sensor suitable for operation at voltage 24+/- 20 % 50 Hz input supply including integration with existing BMS System (Siemens Desigo CC ) Equivalent to Siemens QFM 2160

Replacement of Advance Make 450 TR ( A-73X2 - 2 shell type) Cooling Tower Fan Assembly, including Balancing of air flow and water flow as required. (2 Fans)

Replacement of Quick fill Piping for the Cooling Towers with 50MM CPVC Pipes as required

Replacement of Quick fill / Float Piping Header for the Cooling Towers with 90MM CPVC Pipes as required

Replacement of 50 mm Butterfly valves suitable for CPVC Pipes for the cooling Towers as required

Replacement of existing Water Treatment plant with new water treatment system of capacity 4000 lph. including filter, softner with chemical dosing system as required with motor - pumpset, including all accessories, interconnecting piping, valves, all fittings etc. complete in all respects as required by the standard specifications.(With 1 No Main and 1 No Standby)

Providing unskilled manpower for urgent maintenance works such as shifting materials, any sort of extra works not included in scope.

Supertech Engineers

Voltas Limited

Blue Star Limited