Essential work for AC units for various TE Bldg/different sites under AE(E)PR,MTNL, New Delhi

Amount

Providing & installing soft/hard copper pipe including cutting bending, jointing, brazing etc. as required for hot and liquid refrigerant (a) 5/8"

Pdg and fixing kini foam 3mm thick for thermal insulation of copper piping in order to protect it from air born impurities i/c removal of old insulation etc. complete as reqd.

Replacement of faulty compressor with the factory repaired Compressor i/c dismantling of the faulty one from site & re-fixing the new one etc as reqd.a) 5/5.5 TR

Charging of R-22 refrigerant in the existing AC package/ductable/ split/window unit after purging the air, testing and commissioning the units etc. complete as reqd. (a) 4/5/5.5TR ( nominal capacity) cassette/ multi split type/ductable AC unit ( Complete Unit )

b) 1.5 / 2.0TR (nominal capacity) Split /window AC unit ( Complete Unit )

c) 7.5 TR (nominal capacity) ductable type AC unit (each Circuit)

d) 8.5 TR (nominal capacity) ductable type AC unit (each Circuit)

e) 11.0 TR (nominal capacity) ductable / Package type AC unit ( Each Circuit)

Supplying and fixing new evaporator coils for following AC unit i/c Dismantling the faulty existing evaporator coil and making proper size copper pipe connection brazing at joints etc as reqd. a)Evaporator coil for 4/5TR capacity AC unit

b)Evaporator coil for 7.5 TR capacity AC unit

c)Evaporator coil for 11.0 TR capacity AC unit

d)Evaporator coil for 1.5/2 TR capacity AC unit

SITC of drain pipe of following size suitable for ductable type Acs complete as required. (a) 32 mm heavy duty PVC pipe

(b) 20mm dia PVC pipe

© 40 mm heavy duty PVC pipe

Supplying and fixing of Copper conductor cable from indoor to outdoor unit i/c making connection with required thimbles etc.a) 3C x 1.5sqmm

b)a) 3C x 2.5sqmm

c) 3C x 4.0 sqmm

d)17 Core un-armoured cable 0.5 sq.mm & above PVC Sheathed

e) 4C x 10 sqmm

Pressure testing with nitrogen, vaccumizing & checking of leakage, commissioning of following AC units etc. complete as required. (a) 4 TR/ 5TR cassette/ split type AC unit

b) 1.5 / 2.0 TR ductable / Split type/window AC unit

c) 7.5 TR (nominal capacity) ductable type AC unit (each Circuit)

d) 8.5 TR (nominal capacity) ductable type AC unit (each Circuit)

e) 11.0 TR (nominal capacity) ductable / Package type AC unit ( Each Circuit)

Shifting i/c Dismantling of following type AC units i.e removing the indoor unit disconnects the connection with the help of brazing, disconnect the electrical connection and then shifting/loading/unloading and carrying the out door units and indoor unit from one place to another place and refixing making cable connections etc comp as reqd. a) 4/5/5.5 TR

b) 1.5 / 2.0 TR Split type AC unit

c)b) 1.5 / 2.0 TR window

Providing, fabricating & fixing of MS structural frame work with MS angle, plate, sheet, MS square pipes including cutting, welding and grinding etc complete as reqd.

Dismantling of old ductable A C unit/split units i/c its out door condensor unit and all accessories, and all electrical/mechanical connection complete as reqd. a) 2 TR Split AC

b ) 5/5.5 TR Ductable

Providing and Fixing of temperature indicator for recording the temperature in plant room/ switch room complete as reqd.

Lifting & shifting including dismantling of Ductable A.C unit/Package AC unit i/c indoor and out door units (7.5 TR/8.5/8.75 TR/9TR/11 TR)from ground floor to the floor i e upto the site where AC to be installed with the help of heavy labour & chain pully block complete as reqd.

Supplying and fixing following new condenser coils i/c Dismantling the existing condensor coil and making proper size copper pipe connection brazing at joints etc as reqd. a) Condenser coil for 4 TR AC Unit

b)Condensor coil for 5TR AC Unit

c)Condenser Coil for 7.5 TR AC Unit

d)Condenser Coil for 11.0 TR AC Unit

e) Condenser Coil for 1.5 TR/2 TR AC Unit

P/F PCB in the existing Ductable / Package AC units of 4/5/7.5 / 11.0 TR AC units i/c contactor and single phase preventer etc. complete as required.

Minor civil work such as cutting, widening and making small holes for passing of the AC pipes & Drain pipes i/c making good the damages etc. complete as required.

SITC canvass connection with fire resistance cloth complete as required.

Providing and fixing of 9mm thick cross linked polyethylene insulation for copper piping in order to protect it from air borne impurities complete as reqd. as per site location.

Providing and fixing of 6mm thick cross linked polyethylene insulation for drain piping 25mm in order to protect it from air borne impurities complete as reqd. as per site location.

Supply and fixing PVC DLP trunking of size 105mm x 50mm on the existing wall/surface & finishing work complete as required.M/s Legrand

Supplying &installing of 100 mm x 50 mm C type painted MS channel made by 1.6/1.8 mm CRCA sheet with cover i/c cutting wall, minor civil repairing works & painting with suitable colour etc. complete as required

Providing & fixing of 25 mm thick thermal insulation for accoustic/partition work as per site requirement for duct etcreqd.

Fabricating & installing of following size copper piping/ cable tray made out with M.S. Slotted angle/factory fabricated tray i/c nut bolt, screw, etc. as reqd. (a) Width size not exceeding 150mm

Less credit for dismantled material and dismantled material shall be the property of contractor