SITC of Ductable AC units at T.E. Building Chanakyapuri, MTNL, New Delhi

Amount

SITC of following type (nominal capacity) ductable AC units complete with outdoor unit, indoor unit, having single/double compressor operating on 3 phase, 415v ± 5%, 50Hz A.C. supply, with indoor unit air circulation 400 CFM/TR & all other associated accessories like various motors, coils complete in all respect and capable for performing cooling, air circulation, filtration , Microprocessor, starter pannel, temperature sensors and chorded remotes etc. complete as required. (a) 11.0 TR Ductable AC Unit (Two circuit with one indoor)

(b) 5.5TR (Single circuit) ductable AC Unit

Pressure testing with nitrogen, pressure standing for at least 8 hrs. vaccumzing & commissioning with refrigerant of following AC unit complete as reqd. (a)11.0TR AC unit

(b) 5.5TR ductable AC Unit

Providing and fixing of hanging arrangements for following AC ductable units including MS rods, channel, angle, fastener, scap folding complete as required (a) 11.0 TR Ductable AC unit

(b) 5.5 TR ductable AC Unit

Fabricating & installing of following size copper piping/ cable tray made out with M.S. Slotted angle & squire pipe i/c nut bolt, screw, etc. as reqd. a) Width size above 300mm not exceeding 500mm.

Pdg. & installing copper pipe (soft/hard pipe) including cutting bending, joining, brazing etc as reqd. for hot and liquid refrigerant line. a) 5/8"

Supplying & laying of following sizes PVC sheathed armoured copper conductor cable on the existing wall / ceiling for Power / Control cable etc. as reqd. a) 4C x 10 Sq. mm Copper Armoured cable.

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

c) 4c x 1.5 Sq. mm Copper Armoured cable.

d) 2c x 1.5 Sq. mm Copper Armoured cable

e) 3 cx 2.5 Sq. mm Copper Armoured cable.

Lifting and shifting of 11TR/8.5TR AC units from ground floor upto the site where the AC room is situated with the help of chain pully and heavy labor complete as required.

Lifting and shifting of 5.5TR/5.0TR AC units from ground floor upto the site where the AC room is situated with the help of chain pully and heavy labor complete as required.

Supplying & laying of 8 SWG. GI wire on surface or on recess for loop earthing on the existing surface / Recess with main power cable etc. as reqd.

Supply & fixing of G.I. sheet metal ducting i/c air mixing, air distribution system, complete thickness gauge i/c nut bolts & gasket etc. as required. (a) 24 gauge G.I Sheet

Providing and making MS structure work such as MS platform/duct supports/tray supports/frame for indoor and outdoor AC units i/n cutting, welding, painting with redoxide and then enamel oil paint of approved color etc. complete as reqd. as per site location.

Providing and making MS angle stand of size 40mm x 40mm x 5mm for ductable AC outdoor unit i/c cutting, welding, painting with redoxide and then enamel oil paint of approved color etc. complete as reqd. as per site location.

Providing & making drain arrangement for A/C units with following pipe i/c Tee, Union, Socket & Elbow etc as reqd. PVC hard medium pipe shall be used a) 40 mm dia. Drain pipe

b) 25 mm dia. drain pipe

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.

Providing and fixing of dryer for removing moisture and filtration of gas complete as required.

Providing and fixing of liquid line Danfos make 5/8" dia ball valve including silver brazing pressure testing with nitrogen gas complete as required

Providing and fixing of air grill for ductable indoor AC unit of suitable size complete as required(Size upto 4sqft.).

Providing and charging of R-22 gas for topup of refrigerant in the Ducatable AC units complete as required.

Minor civil work such as cutting, winding and opening the floor/wall and other civil work for installing refrigerant piping and electrical cabling for each AC unit complete as reqd.

Dismantling of old 5.5TR/8.5TR/11TR AC indoor and outdoor AC units, i/n its electrical/mechanical connections complete as required. Shifting it to the desired location as given by the engineer-in-charge in the same building.

S/I/T/C of 63A - 100A 10kA, Three Pole MCCB in existing sheet steel enclosure/ MV panel including dismantling the old faulty/burnt out MCBs/MCCBs/SFUs and making suitable mounting arrangement, connections with copper conductor cable with lugs etc. complete as required.

BLUE STAR LIMITED