Renovation/ Augmentation of 4 x 17.5 TR Precision Package type AC Plant (M/s Tata Liebert) and allied works at TE Building, JLN Marg and other Switch Rooms under EE (E) KBN TE Building, MTNL, Delhi.

Amount

Dismantling, lifting & shifting of precision type package AC units from one place to another place as per requirement of engineer in charge with the help of heavy labour, chain pulley etc. complete as required. a) 17.5 TR ( Double Circuit Machine)

b) 7.5/8.5 TR ( Single Circuit Machine)

Installation of existing unit of following capacity complete with evaporator unit comprising of cooling coil, blowers, compressor with connected accessories, humidification arrangement etc and interconnected metallic connections etc as required a) 17.5 TR ( Double Circuit Machine)

b) 7.5/8.5 TR ( Single Circuit Machine)

Providing and Fixing of humidifier arrangement with makeup over flow drain connection shall be installed in the unit having the same capacity to maintain the desired humidity in the existing system. a) 17.5 TR

Dismantling of existing units of following capacity from foundation with heat exchanger container i/c removing of damaged pipes, cables, trays, along with inter connection of G.S.S. duct Damper at ground level, for with transportation etc. a) 11 TR / 8.75 TR

Installation of following capacity indoor unit complete with outdoor, heat exchange container having evaporator coil for performing the respective capacity as under with floor mounting (Isolation pads) under PKC units, levelling etc. with interconnection with duct damper, etc. a) 11TR/8.75 TR

Providing and fixing evaporator / heat exchanger of following sizes either in two circuits or in single circuit for following sizes, heavy copper tubes, Aluminium fins, headers etc. a) 11 TR / 8.75 TR

Supplying and fixing outdoor unit of following capacity having scroll compressor, 2 No. of heat exchanger fans, motors, integral switch gear with containers/cabinet angle valve etc. complete as required. a) 11 TR

Supplying and fixing indoor unit having complete container/cabinet with centrifugal fans molar, evaporator extension valve, distributor headers etc. a) 11 TR

Providing & fixing i/c removing the non functional operative card with display of various functions of units, with high temperature, and indicators of correctness of features etc. complete as required (Make - M/s Blue Star, Capacity 5.5 TR/8.75 TR

Supplying and fixing of scroll compressor suitable for operation on three phase 50 cycles 400 Volts etc. complete as required. A) 5.5 TR

Supplying and fixing of G.I sheet metal ducting i/c air distribution system, complete thickness gauge i/c nut bolts & gasket etc. as required.

a) 24 Gauge G.I sheet

Providing and fixing insulation of ducting with 6mm thick closed cell fire retardant insulation.

Providing and fixing fire retardant canvass cloth connection as required.

Providing for filling refrigerant (R-134A) gas in screw chiller of central AC system (2X178 TR) including preliminary inspection w/o pressure testing, locating leakages in system as reqd.

Supplying and fixing power cabling & control cabling of PVC insulated and PVC sheathed copper conductor cable of following size i/c end termination etc. as required. A) 3CX1.5 sq.mm

b) 4C X 10 sq.mm

c) 6CX1.5 sq.mm

d) 8CX1.5 sq.mm

Providing & installing soft/hard copper pipe including cutting bending, jointing, brazing etc. as required for hot and liquid refrigerant. A) 3/8"

Pressure testing with nitrogen, pressure standing for atleast 8 hr. vacuuming & commissioning with refrigerant of following AC unit complete as reqd. a) 4 TR / 3 TR(nominal capacity) sensicool/ ductable/ multi split type AC unit

b) 5TR/5.5 TR (nominal capacity) ductable type AC unit

c) 7 TR/ 7.5 TR/ 8.75 TR/ 11 TR (nominal capacity) package/ ductable type AC unit

d) 16.5/17 TR (precision type package/ high sensible high ambient hyper AC package units

e) R-22 gas charging / gas top up

Providing & fixing supply / return air grill for indoor ductable / package type AC unit.

Supply and fixing of following type damper made out 18 SWG, G.I/CRC sheet for supply/ return air duct in main duct & branch duct as per site required i/c nut bolts, gasket etc. as required. Volume control damper

Providing and fixing the following incoming & outgoing switches for interconnections, crimping, interlocking etc. as reqd. a) MCCB 63 Amp 4P

b) MCCB 100 Amp 25 KA 4P

c) Indicating Lights (RYB)

Providing and fixing plumbing work of following size complete as required. PVC pipe (25mm)

Providing & fixing insulation on copper piping / drain piping with kinifoam /sleave to avoid condensation.

Fabricating and installing of following size perforated cable tray for copper piping/ cables made out of MS sheet duly painted i/c nut bold, screw etc. and providing MS supports from ceiling / wall as required. A) 100mm wide x 50 mm depth x 1.6. mm thick

Providing and fabrication steel structure made out of CRC sheet, MS pipe, MS angle etc. with cutting, fabricating welding at site and painting etc. complete as reqd.

Providing and fixing of following air conditioning spares and consumables including testing etc. complete as required. A) Drier

b) Expansion valve

c) Motor for condensor / indoor unit

Providing and fixing 6 SWG dia GI wire on surface or in recess for loop earthing along with the existing surface/ recess conduit/ sub-main wiring/ cable as reqd.

SITC of M.S panel containing electric switch gears starting devices, locking feature in order to prevent tampering of control keys by unauthorized person (For 5.0 TR/ 7.5 TR/ 8.5 TR/ 11TR)

BLUE STAR LIMITED