Replacement of existing Packaged Air Conditioning Unit with New Precision AC units in CNS Equipment and Automation unit room at level 19 of ATC Sky Tower, Mumbai

Amount

SH:-I Supply of Air Conditioning Units

Supply of 10 TR +5% Top Discharge, with refrigerant R407c/R410a Microprocessor based PRECISION AIR-CONDITIONER (PAC) unit with electronically commutated [EC] motor-Radial, Backward Curved Evaporator fan, condenser with AC motor including anticorrosive coating and Energy Efficient Fixed Scroll Compressor, Electronic Expansion Valve, Heater, Humidifier i/c MIB Card complete as per detailed specification. (Make: STULZ Model: 361A or equivalent AAI approved makes).

SH:-II ITC of Air Conditioning Units

Installation, testing and Commissioning of complete 10 TR +5% Precision AC Units (Outdoor & Indoor unit) including first charge of refrigerant for piping with Refrigerant R407c/R410a including Loading, unloading and N2 Flushing, pressure testing complete etc. as required

Supply & fixing of Indoor Unit MS Stand for PAC.

Supply & fixing of Outdoor unit MS stands for PAC.

Supply & fixing of Copper Refrigerant Piping for Return/Vapor line of size 1-1/8" or copper pipe size as recommended by OEM from indoor to outdoor unit suitable to item no.1 on existing MS perforated cable tray or on surface by suitable clamping complete etc. as required.

Supply & fixing of Copper Refrigerant Piping for Liquid line of size 7/8" or copper pipe size as recommended by OEM from indoor to outdoor unit suitable to item no.1 on existing MS perforated cable tray or on surface by suitable clamping complete etc. as required.

Supplying and installing 150mm width x 50mm depth x 1.6 mm thickness size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, for copper Refrigerant Pipe from indoor to outdoor unit in convenient sections, joined with connectors, including horizontal and vertical bends suspended from the ceiling with M.S. suspenders/ on wall / on floor (with suitable support) including bolts & nuts, painting suspenders etc as required as per site condition.

Supply & fixing of 40mm dia 'B' class GI Pipe or suitable size GI pipe as recommended by OEM suitable to item no.1 for Humidifier Piping complete with necessary elbows, tees, reducers etc. all accessories in all respect complete as required.

Supply & fixing of 25mm dia 'B' class GI Pipe or suitable size GI pipe as recommended by OEM suitable to item no.1 for Drain Piping for indoor unit complete with necessary elbows, tees, reducers etc. The drain pipe shall be insulated with 9mm thick closed cell elastomeric insulation in tubing form and secured with adhesive tape of matching colour.

Supply, Laying and fixing of 3 core x 2.5 sq.mm , 1.1 KV grade XLPE insulated, Armoured Copper Conductor Cable confirming to IS 7098 (Part-I) amended upto date or Cable as recommended by OEM suitable to Item no.1 complete etc. as required.

Supply, Laying and fixing of 4 core x 10 sq.mm, 1.1 KV grade XLPE insulated, Armoured Copper Conductor Cable confirming to IS 7098 (Part-I) amended upto date or Cable as recommended by OEM suitable to Item no.1 complete etc. as required.

SITC of Air conditioning Perforated Grill with Motorized Modulated Damper with actuator and necessary control wire for integration in existing Duct with suitable size as per OEM recommendation.

Providing & installing Flexible fire retardant canvass connection of suitable size with zip etc.

Supply, fabrication & Installing 18G (1.02mm) G.I sheet metal ducting with insulation for plenum retrofit works in existing air duct complete with neoprene rubber gaskets, M.S. supports, hangers, nuts and bolts etc. complete as per site requirement in accordance with relevant IS specifications.

Dismantling of existing old Packaged AC unit (indoor & outdoor units) including copper piping, cables, trays etc. & all other relevant accessories including Lifting & Shifting the same from existing location to ground floor within ATC premises as per the instruction of the Engineer-in-charge complete etc. as required.

Providing portable/temporary air- conditioning of Total 10TR capacity using Multi TR capacity AC units at Level-19 of ATC Sky Tower Mumbai from date of dismantling of existing package unit to till successful commissioning of new PAC units.