Maintenance of Air Conditioner installed in TGCE complex at Port Blair during 2022-23. Sw Re- installation of old AC units in Room no 62 and replacement of compressor unit in Room no 47A

Amount

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required.

4 X 4 sq. mm + 2 X 4 sq. mm earth wire

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Triple pole

Triple pole and neutral

Supply and fixing of MCB enclosure of sheet steel, phosphatisd,power painted MCB DB,s with Din rail ( in accordance with IS 1302, IS8623, IEC/BSEN 60439-3). Of 4 ways Havells CAT NO DHDESFP or equivalent.

Re-installation, testing and commissioning of following capacity split type Air Conditioner suitable for wall mounting/ floor standing complete i/c servicing the unit, cutting/ drilling holes on the wall for passing gas pipes , fixing PVC pipe on the wall through the holes and cementing, painting to give an even look and smooth finish, wrapping PVC non adhesive tape over insulation of gas pipe etc including gas charging as required and as per the direction of E-in-C.

03/04 Ton tower type

Providing and fixing of refrigerant copper pipes of following sizes (Suction & delivery) of split type AC i/c providing electrical cables, insulation, extra gas charging , cutting, drilling holes on the wall for passing gas pipes , fixing suitable size PVC pipe on the wall through the holes and cementing, painting to give an even look and smooth finish and covering with PVC non adhessive tape over the insulation of refrigerant pipes and as per the direction of E-in-C

Refrigerant pipes of Sizes 3/4" & 1/2"

Fabrication of stand/Pedestal for keeping the indoor/out door unit of split type AC of various capacity made of suitable size of M S Angle and painting with one coat of red oxide and paint as required.

Replacement of defective compressor unit with new one suitable for 04 Ton capacity room AC i/c pressure testing for leakage flushing vaccummission the system, gas charging with freon-22, servicing the unit, painting and testing for satisfactory performance, replacement of necessary spare parts i/c reinstallation of the unit duly tested etc as requried .

Make :- VESTAR .Location:- Room no 47 A

ROYAL ENGINEERING WORKS