Maintenance of Air Conditioners installed in various locations under Port Management Board at Port Blair during 2021 22

Amount

Gas Charging Presssure testing for leakage flushing vaccummising the system, gas charging with Freon -22 servicing the unit testing for satisfactory performance, replacement of necessary spare parts i/c re installation of the unit etc as required for AC.

Replacement of compressor Replacement of defective compressor unit with new one suitable for following capacity room AC i/c pressure testing for leakage, flushing vaccumising 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 required.

Replacement of condensor coil Replacement of damaged condensor coil with new copper condensor coil suitable for following capacity split type AC i/c dismantling the damaged coil, fixing the new one, gas charging, re-installation and plating patch repair work if any, testing and commissioning the unit etc as required.

Re-installation of Split Type AC Re-installation, testing and commissioning of following capacity split type Air Conditioner suitable for wall mounting/floor mounting / floor standing complete i/c 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.

1.5 Ton/2Ton/3/4 Ton

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 and covering with PVC non adhessive tape over the insulation of refrigerant pipes to give smooth finish and as per the direction of E-in-C

Refrigerant pipes of Sizes 5/8" & 3/8"

Supply of spare Supplying of indoor Blower motor of required make suitable for AC of capacity

Supplying of Outdoor Fan motor of required make suitable for AC of capacity

Supplying of following Air Conditioner Spares and accessories for maintenance work on as and when required basis.

4KVA Voltage Stabilizer .Make V Guard Model VND 400 (Voltage Range 150V-285V,12Amps.) or equivalent.

5KVA Voltage Stabilizer .Make V Guard Model VND 500 (Voltage Range 150V-285V,15Amps.) or equivalent.

Single Core Contractor

1.5 MFD black square type capacitor

2.0 MFD black square type capacitor

3.15 MFD black square type capacitor

4.0 MFD black square/ round type capacitor

6.0 MFD black square/ round type capacitor

45 MFD Pin type (ALU Body)

60MFD Pin type(ALU Body)

PCB Assy. Split AC Common-Artic/Universal

Insulation Tape (roll)

Freon (R-22) Gas

Welding can(flame gas)

Welding rod

ROYAL ENGINEERING WORKS

ELECTROTECH