Refurbishment/Repairing work for different type AC Units at various sites under AE (Electrical) KBN, MTNL, ND.

Amount

Providing and installing following size soft/hard copper pipe including cutting, bending, jointing, brazing etc as reqd. for hot and liquid refrigerant line complete as required as per site requirement. a) 5/8"

Pdg & 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

Supplying, laying and fixing of following sizes pvc sheathed copper conductor armoured / unarmoured cable on the existing wall / ceiling for power / control cable etc making connections and testing etc complete as reqd as per site location. a) 3 x 2.5 Sq. mm copper armoured cable.

b) 4 x 6 Sq. mm Copper Armoured cable.

c) 4 x 4 Sq. mm Copper Armoured cable.

Supplying and fixing/replacement of new condenser coils in the existing outdoor unit and making proper size copper pipe connection, brazing at joints etc as reqd. a) Condenser coil for 1.5 TR / 2 TR (nominal capacity) AC unit.

b) Condenser coil for 4 TR / 5 TR / 5.5 TR (nominal capacity) AC unit.

c) Condenser coil for 7.0 TR / 7.5 TR (nominal capacity) AC units.

Pressure testing with nitrogen, pressure standing for at least 8 hr., vacuuming & commissioning with appropriate refrigerant for following A C units complete as reqd. . a) 1.5 TR / 2.0 TR (nominal capacity) AC unit.

b) 4.0 TR / 5.0TR / 5.5 TR (nominal capacity) AC unit.

c) 7.0 TR / 7.5TR (nominal capacity) AC unit.

Supplying and fixing new evaporator coils for following AC unit including dismantling the faulty existing evaporator coil and making proper size copper pipe connection, brazing at joints etc as reqd. a) Evaporator coil for 1.5 TR / 2 TR (nominal capacity) AC unit.

e) Evaporator coil for 4 TR /5TR /5.5 TR (nominal capacity) AC unit.

Providing & making drain arrangement for AC units with following pipe i/c Tee, Union, Socket & Elbow etc as required. a) 40 mm dia medium class PVC pipe.

b) 25 mm dia medium class PVC pipe.

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. width size not exceeding 150mm

Dismantling of old ductable units(5 TR/5.5TR/7.5TR/8.5TR/8.75TR/11TR) with the help of chain pully block & heavy labour etc as required

Lifting & shifting of A.C units with the help of heavy labour & chain pully block from one site to another site where the A C plant room/required area is situated complete as reqd. (5 TR/5.5TR/7.5TR/8.5TR/8.75TR/11TR)

Refixing of A.C units with the help of heavy labour & chain pully block i/c providing Suitable size of suspender rod /MS support as per requirement etc as reqd (5 TR/5.5TR/7.5TR/8.5TR/8.75TR/11TR)

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

P/F PCB in the existing AC units of 7.5 TR /8.5 TR/ 8.75 TR / 9 TR / 11 TR AC units i/c connection, testing etc. complete as required.

Supply & fixing of G. I. sheet metal ducting for air supply,mixing , air distribution , complete with following thickness (gauge) i/c nut bolts, gaskets, suspenders, supports etc. as required. a) 24 gauge G. I. Sheet

b) Canvass connection with fire resistance cloth complete as reqd.

Replacement of faulty mechanical item of package/ductable AC Unit & other works complete as reqd. a) Angel valve/pin valve for ref. circuit. 5TR and above

b) Drier for AC Unit 4/5 TR and above

c) 2.5 TR refurbished compressor suitable for Carrier/BSL/LG/Voltas/ Hitachi/ Blue Star make twin ckt 5.0TR AC Unit (Make : Carrier/Kirloskar/ Copeland)

D) 1.5/2 TR refurbished compressor suitable for Carrier/BSL/LG/Voltas/ Hitachi/ Blue Star make (Make : Carrier/Kirloskar/ Copeland)

Replacement of rewinded condenser fan motor/ indoor motor for AC Unit of different type capacity 1.5/2 TR split/window AC units.

Fabricating & installing of following tray made out with following M. S. Slotted angle & squire pipe or slotted sheet material i/c nut bolt, screw, etc. as reqd. a) 150mm wide M S slotted trey

S/F suitable size fan blade for 1.5/2 TR split/window AC unit as per site requirement etc. complete as required.

SITC of R.A. boxing made of 6 mm water proof ply, slotted angle, fixing with fasteners nuts & bolts etc.

SITC of following type control wires remote/ wireless remote suitable for split/window/ductable AC units a) 4TR/5TR

a) 1.5TR/2TR /3TR

S/F pre/micro filter suitable for 1.5/2 TR split/window AC units or as per site requirement.

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

ARCHY SERVICES PRIVATE LIMITED