Providing M.S Cage for outdoor package AC condenser units i/c special repair of damaged outdoor condenser units of 7 TR HPAC (High Precision Air Conditioner) at NOC INMARSAT, Ghaziabad.

Providing and fixing anti-theft protective fencing around outdoor package AC condenser using following items i.e brick masonry wall, M.S. angle iron frame, M.S. strips and M.S. rods, proper fixing of the complete M.S structure on brick wall including cutting, welding, drilling, grouting, primer and two coats of suitable enamel paint (Asian / Berger make), including provision of an openable/lockable gate for maintenance, complete as reqd. a) Providing and constructing 9-inch thick brick masonry wall of approximately 1.5 feet height in cement mortar for grouting/fixing of vertical MS fencing rods, including cement mortar, curing, finishing and all necessary works, complete as reqd.

b) Providing and fixing 12 mm dia M.S. rods in existing M.S. angle iron frame, at suitable spacing, including cutting, welding, straightening, alignment, grouting of the bottom ends in the existing masonry wall, and fabrication the top ends in sharp-pointed trishul shape

c) 40 x 40 x 5mm M.S. angle iron for main supporting frame of the fencing.

d) 25 x 5 mm M.S. strips for fixed horizontally/vertically as required to strengt the frame.

e) Locking bolts and hinges for openable/lockable gate

Decommissioning of outdoor units (Condenser) of existing fitted 7 TR High Precision Package AC units with Single compressor i/c dismantling the same with related MS stand, accessories as directed by Engineer-in-charge etc. complete as required.

Repairing of existing damage condensor unit by supply / fixing of new copper U bends of size 3/8-inch (9.52 mm) approx.. 20 Nos., copper pipe connections in finned tubes pipe, including cutting, brazing, clamping complete including rectifying leakages, nitrogen pressure testing of the above outdoor unit by immersing it in a temporary testing tank and holding nitrogen pressure at 400 PSI for 48 hours, and all associated works complete as required. (Note: Temporary tank of brick and PVC sheet is required to be made accordingly rates shall be quoted.)

Re-installation of outdoor unit of 7 TR HPAC unit on existing stand after necessary modification of cage/stand, including providing and fixing new AVM pads, G.I nuts and bolts etc. complete as reqd.

Laying of following sizes of existing recovered copper refrigerant pipeing on the existing MS perforated tray i/c P/F new fitting such as sockets, elbows, tees, brazing, cutting, clamping etc. complete as required. A) 1 1/8" OD (28.5 mm) Single run

b) 7/8" OD (22.2 mm) Single run