ANNUAL MAINTENANCE OF DUCT(8.5 TON CAPACITY) And SPLIT ACS AND STABLIZER FOR THE YEAR 2022 23 AT 220KV SUBSTATION NIGHASAN UNDER ELECTRICITY TRANSMISSION DIVISION, UPPTCL LAKHIMPUR.

Amount

Following works are to be carried out for repairing,maintenance,servicing & overhauling of 2x8.5 ton capacity duct type air conditioning system at 220kv s/s nighasan(Hitachi make) under ETD lakhimpur with all associated works all cost of men,material,misc. consumable,T & P etc.required for satisfactory completion of the work including cost of transportation of materials as needed-

Complete filling of refrigerant gas after checking ,atending leakage by necessary pre-testing,brazing,testing by pressurising with N2 gas including necessary dismantalling and re-assembling(01 job per AC)

Servicing and overhauling by cleaning of fitters,cooling coils,indoor/outdoor condenser fins including pressure cleaning by air/water,brazing of coils,checking of compressure operation ,replacement of fabric/polyfibre filter of indoor unit and general cleaning for satisfactorily operation of the unit(01 job per AC)

Replacement of damaged PCB

Replacement of starting / running /motor capacitance.

Replacement of indoor/outdoor fan motor belt.

Replacement of defective wire/copper duct including insulation foam covering between outdoor to indoor unit.

checking of leakage of refrigerent gas and brazing of any leakage joint properly & recharging of gas in sufficient quality in compressor of 1.5 ton capacity Hitachi make splite AC including cost of material technical labour.

Tax as payable time to time shall be paid by department

SANDEEP TRADING CO.

R.K. Enginers