TTPS Operation Circle MPM II ACP Repairs and replacement of failed compressor in window AC split AC renewal of worn out bed assembly, tinkering of outer cover and other related breakdown works for a period from01.04.2023 to 31.03.2024

Amount

a. Charges for dismantling of window AC/Split AC leak testing the condenser coil, cooling coil and other related parts using Nitrogen gas arresting the leak by brazing, including filling of R22 gas & re-placement of strainer and capillary tube and commissioning. b. Vaccumising and gas charging (Vaccum Pump will be supplied by TANGEDCO)

Material cost: (Contractor Scope) Nitrogen Gas (Each 7M³)

a. Charges for dismantling of window AC/Split AC and Replacement of failed compressor by new compressor. (Puchased through indent) • Removal of failed compressor of the window AC/Split AC of 0.5T, 1T, 1.5T and 2T capacity from the bed after disconnection its suction and discharges lines by brazing. • Replacing the new compressor to the bed after altering alignment with the bed including leak testing of condenser coil and cooling coil. • Replacement of strainer, capillary tube and copper tube of suction and discharge lines including the leak testing of the whole unit and commissioning. b. Vaccumising and gas charging (Vaccum Pump will be supplied by TANGEDCO)

Material cost: (Contractor Scope) Nitrogen Gas (Each 7M³)

Material cost: (Contractor Scope) D.A. Gas

Material cost: (Contractor Scope) Oxygen Gas (Each 7M³)

Charges for replacement / renewal of worn out bed assembly of window AC/Split AC by fabricating and welding by M.S Sheet thickness 3 mm approximately size 1 m² and painting, the rates including dismantling and reassembling of compressor, condenser, cooling coil, fan motor etc., (consumables and materials under contractor scope).

Material cost: (Contractor Scope) MS plate 3mm

Tinkering of window AC/Split AC fan and blower housing side and top cover outer shell bed plate with 1 mm thick G.I. sheet and painting including cost of paints and consumables [G.I sheet will be supplied by the board].

Checking/rewiring of electrical connection provision of knobs, fasteners etc., including cost of cable, knob, wire clip and consumables.

Replacing defective window AC/Split AC at various locations from AC plant workshop as per the direction of engineer in charge.

Replacement of failed fan motors from window AC, Split AC, etc., [spare motor will be supplied by the board].

Replacing defective window AC/Split AC at EOT crane at height of 18.5 m level and unloading window AC from EOT crane at 13.5 meter level to ‘0’ meter level and ‘0’ meter to AC plant workshop as per the direction of engineer-in- charge.

Charges for replacing of defective spares such as capacitors, relay, thermostat etc., and replacement of worn out electrical wires at various locations of TTPS as per direction of engineer in charge.

MENAKA CONSTRUCTION ENGINEERS