Replacement of 4X10 TR precision air conditioners at MSSR Porur, Chennai Airport

SITC of 4 x 10 TR Precision Air Conditioner

Design, Supply, Installation, Testing & Commissioning of 4 x 10 TR DX-Type Precision Air conditioner suitable to operate on 3-Phase, 415V, 50 Hz, system of bottom discharge indoor evaporator unit with latest model EC fan motor having radial backward curved composite blades, Evaporator coil with minimum 4 Row deep DX-type copper cooling coil provided with anti corrossive aluminium hydrophilic blue fins, 95% filtration upto 5 micron, compressor ( double or single as per manufacturer recommendation ) of latest high efficiency EC driven digital or inverter scroll compressor suitable for R410A refrigerent gas, provision of required quantity of refrigerent gas as per manufacturer recommendation, suitable vibration absorbers in compressor and suction & discharge lines , electronic expansion valve, humidity control in the unit by providing humidifier, dehumidifier and heaters etc., stainless steel insulated condensate drain pan at the bottom of the unit, factory made damper with actuator in each unit, Indoor cabinet of double skin panels with mineral wool insulation, indoor unit with electrical isolation breaker along with necessary protections, outdoor unit of air cooled copper condenser coil with latest model axial type EC Fan motor suitable to operate on round the clock at out door ambient temeratures, condensor coil with anti corrosive aluminium hydrophilic blue fins, condensor unit made of heavy duty steel or zinc annealed steel of weather proof having covered with 16 SWG GI sheet with powder coated, each outdoor unit with breaker control for electrical ON/OFF and outdoor type enclosure, outdoor mounting unit stand made up of heavy duty steel with powder coated for each unit, Control panel with microprocessor based controller and touch type HMI display for necessary standard operations for maintaining the required room temperature along with required humidity values, unit with RS485, backnet and modbus support, System suitable to program for 100% redundancy incase of any failure of unit by internal automatic switching, dismatling & shifting of old PAC units etc., complete as required including the following of required quantity as per site conditions. (i) Supply and fixing of copper piping for hot and liquid line of size minimum 18 SWG on cable tray with class-o nitrile rubber insulation. (ii) Supply and fixing of 40mm dia UPVC/CPVC of heavy duty pipe for drain with thermal insulation. (iii) Supply and fixing of suitable size UPVC/CPVC for humidifier piping with one ball valve for control (iv) Supply and fixing of comunication/control cable, power supply cable for interconnecting indoor and outdoor of suitable size as per the manufacturer recommendation etc., complete as required. (v) Supply and fixing of 300 mm (Width) x 50 mm (Depth) x 1.6 mm (Thickness) perforated Hot Dipped Galvanized Iron cable tray tray with cover on wall i/c proper supporting of channels etc., complete as required. (Each run of cable tray shall carry refrigerant circuits for 2 PAC units)

SH:II All Inclusive Comprehensive Maintenance Contract (AICMC)

1st Year AICMC cost after 1 year of DLP @ 3.31% on item no 1.01

2nd Year of AICMC cost after 1 year of DLP @ 4.48% on item no 1.01

3rd Year of AICMC cost after 1 year of DLP @ 4.85% on item no 1.01

4th Year of AICMC cost after 1 year of DLP @ 5.25% on item no 1.01

5th Year of AICMC cost after 1 year of DLP @ 5.68% on item no 1.01

6th Year of AICMC cost after 1 year of DLP @ 6.16% on item no 1.01

7th Year of AICMC cost after 1 year of DLP @ 6.67% on item no 1.01

8th Year of AICMC cost after 1 year of DLP @ 7.23% on item no 1.01

9th Year of AICMC cost after 1 year of DLP @ 7.84% on item no 1.01

Sri Bhavani Enterprises

GRID2CHIP