Tamil Nadu Generation And Distribution Corporation Limited Tender

Charges for upkeeping / routine maintenance of Air handling units in service building & Power house building. This work involves cleaning the prefilters & cooling coil of Air handling units located in various location like service building ground floor to 4th floor(0mtr to 17mtr), 8.5 mtrs elevation, 28 mtrs elevation. Water level maintaining & oil level checking in cooling tower at (21 mtrs elevation) service building & Power house building (36 Mtrs elevaton) and carrying out cleaning works in service building & Power house building chiller room, inside floor & equiments like condenser water pumps, chilled water pumps, pipelines, valves and chiller room entrance. Replacement of V belts in AHU's located in service building ground floor to 4th floor(0mtr to 17mtr), 8.5 mtrs elevation, 28 mtrs elevation, V belt tightness & alignment checking, lubricating the control dampers and checking and opening & closing of dampers as per site requirement, attending minor leaks in chilled air distribution ducts by providing insulation and GI sheet patch work if required applying new grease / oil to both drive end & non drive ends of Air Handling Units, conducting trial run in presence of Engineer in charge (T&P item High pressure pump for cleaning AHU filter & cooling coil cleaning is under contractor scope and the work should be carried out as per the instructions of site incharge) (Consumables items like grease, gada cloth, diesel, broom stick, 2 sets of V belts for all AHU's i.e., B71-18 Nos , B86 -12 Nos, B99 -12 Nos, B84 - 12Nos, is under contractor scope and contractor should replace V belts 2 times in 180days for all the AHU's).

Charges for upkeeping of Air handling unit(AHU) room at ESP I and ESP II : this work involves cleaning the AHU room inside floor & AHU, AHU filters and coil cleaning, Replacement of V belts in AHU's located in ESP I & II, V belt tightness & alignment checking, applying new grease / oil to both drive end & non drive ends of Air Handling Units, lubricating the control dampers and checking and opening & closing of dampers as per site requirement, attending minor leaks in chilled air distribution ducts by providing insulation and GI sheet patch work if required, conducting trial run in presence of Engineer in charge . (Consumables items like grease, gada cloth, diesel, broom stick, 2 sets of V belts for all AHU's i.e., B102 - 36 Nos is under contractor scope and contractor should replace V belts 2 times in 180 days for all the AHU's) (T&P item High pressure pump for cleaning AHU filter & cooling coil cleaning is under contractor and the work should be carried out as per the instructions of site incharge)(Insulation material will be provided by board at free of cost).

Charges for attending Jamming/Chocking in supply air diffuser dismantling, cleaning, operation checking by open & close and rectification work of with grill assembly at various size by providing suitable fasteners, lubricating in PHB, ESP I & II, Service building and Switch yard.