Tamil Nadu Generation And Distribution Corporation Limited Tender

Charges for overhauling of air blower- isolate the discharge valve – loosening the motor bed adjusting bolt and removing the V belts – lifting the air blower from bed to repair bay - dismantling the air blower spares- cleaning – inspection - renewal of wornout spares if necessary – reassembling the air blower spares - fixing the air blower from repair bay to bed- fixing V belts- carrying alignment work – open the discharge valve – put in service – inclusive cost of consumables and hire charges of T&Ps etc.,

Charges for replacement/ overhauling the worn out 150/100 NB plate/butterfly/gate/ NRV valves inclusive cost of consumables and hire charges T & Ps etc.,

Charges for overhauling of filteration plant sump pump/ transformer yard sump pump - decoupling the motor and pump - dismantling the suction and discharge line fittings - lifting the pump from bed to repair bay - dismantling the pump spares - cleaning the dismantled pump spares - inspection - renewal of wornout spares if necessary - reassembling the pump- fixing the pump from repair bay to bed - assembling of suction of discharge line fittings - coupling the motor and pump – carrying alignment work- put in service -Inclusive cost of consumables and hire charges of T& P, etc.

Charges for overhauling of ash water pump - isolate the suction valve & discharge valve - decoupling the motor and pump - dismantling the pump top split casing - lifting the top split casing to repair bay - loosening the drive end & free end bearing housing bolt - lifting the rotating assembly to repair bay - dismantling the rotating assembly spares (bearing housing ,bearing, impeller ,gland arrangement ,shaft sleeve, pump shaft, etc) - cleaning the dismantled spares- inspection - renewal of wornout spares if necessary - reassembling the spares - lifting the rotating assembly from repair bay to pump bottom casing & then fixing - tightening the drive end & free end bearing housing bolt - lifting the top split casing from repair bay to pump and then fixing - coupling the motor & pump - carrying alignment work - put in service - inclusive cost of consumables and charges of T&P etc.

Charges for replacing/overhauling the defective 450 NB/400 NB Gate/Butterfly/NRV valves inclusive cost of consumables and hire charges etc.,

Charges for replacement/overhauling the worn out 300/250/200NB plate/ Gate/ Butterfly / NRV valves. inclusive cost of consumables and hire charges etc.,

Charges for cleaning of ash water sump & strainer – dewatering of ash water sump – removing the growth barrels & other debris - cleaning of ash water sump ( bottom, top, & side inner area) & strainer - Transporting the collected debris & other item to the disposal area as directed by engineer in charge - attending minor repair work in the strainer if necessary- Inclusive cost of consumables and hire charges T&P etc.,

Charges for arresting sea water leakage due to puncture in sea water pipe lines and fittings by inclusive cost of consumables and hire charges T&Ps etc., ,

Charges for cleaning and Painting of good quality two coat enamel paint in sea water pipe lines, equipments & structural supports etc, including all consumables like painting brush, wire brush, cotton waste, paint and thinner.