Refurbishment of Communication Centre Facility for NFS Project Indian Air Force at Command Centre Akkulam. SH Providing 3 x 7 TR High Precision AC (Revised)(Recall)

Amount

SH1 - SITC of Precision AC

Supply, Installation, Testing and Commissioning of 7 TR (Sensible cooling capacity) Microprocessor controlled aircooled High precision package AC unit having energy efficient scroll compressor complete with indoor and outdoor units, all components and controls etc including providing and fixing of suitable MS stand for indoor unit to requisite height with necessary AVM pads, pressure testing, refrigerant charging i/c acceptance testing etc as per the specifications enclosed.The units shall be supplied with upward flow /downward flow as per site conditions (Notes:-The requirement shall be intimated by the EE (E ) concerned while approving the drawings)Make & Model :HPACs with bill of materials as approved by BSNL Corporate Office having prototype approval

Supplying and fixing of copper refrigerant piping of minimum 18 G thick and suitable diameter as per industry standards and manufacturers recommendations for the HPAC unit for hot gas and liquid lines of a single circuit, with all accessories and including cutting, jointing, brazing etc. on MS perforated tray i/c supplying and fixing of the tray of minimum 1.6 mm thick along with horizontal and vertical bends, reducers, tees, cross members, other accessories etc duly suspended from the ceiling with MS suspenders /on wall including painting, including insulating the refrigerant lines inside AC area with suitable fire retardant polythene foam etc complete as required and as per specifications attached.NOTE:The tray should be of sufficient width to accommodate the laying of cable and earth strip alongwith copper pipes.

Supplying and laying of PVC insulated PVC sheathed armoured Copper conductor cable of following sizes in existing cable tray including termination of cables etc as required.

4 x 6 sq.mm Copper cable

3 x 2.5 sq.mm Copper cable (for condensers)

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Providing plumbing work for humidification circuits and drainage requirements including supply of composite rigid PVC pipes 10 Kg/sqcm with ISI along with all accessories and supports including painting etc. complete as required

Drain pipe 40 mm dia

Drain/Humidifier pipe 25 mm dia

Providing MS structure for outdoor units made out of solid channels/angles/flat etc including cutting, welding ,painting etc. as required.

SH 2 - AMC OF HPACs

Providing comprehensive maintenance of micro processor controlled 7 TR Sensible Cooling capacity High precision package AC units for a period of 3 years. The work includes periodical servicing, routine , preventive and breakdown maintenance of all components , topping up of gas, repair/replacing of faulty components etc with minimum downtime, warranty etc as per detailed specifications attached.NOTE:-Maintenance period starts after the warrantee period of 1 year

Second Year

Third Year

Fourth Year

Cair Refrigeration

Safe and Sound Technologies Private Limited

HRJ REFRIGERATION