Notice Inviting Tender (NIT) by the Corporations And Associations And Others Of Tamil Nadu for Renewal of DE bearing Loosening the motor bed bolts, shifting a motor for accessibility, arrangement of fixtures and removal of fan coupling, arrangement of fixtures and removal of DE Bearing along with the housing. Checking the bearing mounting area, measuring, rectifying minor defects and polishing. Heating the new bearing to 120 degree and soaking in the oil bath/Induction heater, and mounting. Mounting of coupling by heating, positioning and re-fixing of motor in the original position Renewal of NDE bearing: Lifting up the shaft arrangement of fixtures, removal of NDE bearing along with the housing, heating up new bearing to 120 degree by soaking it in oil bath/induction heater, and mounting of bearing along with the housing and bring down the shaft to its original position. Including cost of consumables and T&P’s. Charges for cleaning of suction hood inside and silencer assembly inside, including cost of consumables and T&P’s. Renewal of DE bearing housing: Drawl of DE bearing housing from stores, transporting to work spot area, cleaning of non corrosion paint, blue matching the housing with pedestal and devolution the released housing to stores, including cost of consumables Renewal of NDE bearing housing: Drawl of NDE bearing housing from stores, transporting to work spot area, cleaning of non corrosion paint, and devolution the released housing to stores, including cost of consumables Renewal of mounted bolts of diffuser delivery flange/NDE /Suction flange in FD fan: Work involves gas cutting and removal of existing wornout mounted its, remove the rust & flakes and complete cleaning of flanges, provide new asbestos rope bolting with new HT bolts & nut and torque tightening, including cost of consumables and T&P’s. Overhaul of FD fan IGV includes dismantling of all link rods, cleaning & greasing, dismantling of all guide rollers, cleaning & greasing, checking and renewal of bearings if required and assembling of IGV and calibration of IGV for perfect closing/ opening, including cost of consumables and T&P’s. Alignment of fan and motor: This work includes taking pre alignment reading, complete dismantling of motor bed bolts and fan housing bolts. Lifting, cleaning of motor foot, base plate, housing base and positioning. Aligning the fan and motor axially and radially within the allowable limits. Box up the fan bearings, checking tightness of all bolts, couple the fan and motor and trial run of the fan, including cost of consumables and T&P’s. Rectification of damaged portion in FD fan suction chamber, impeller casing diffuser: This work includes complete cleaning of casing patch up by fabrication and fixing of M.S. plate required size at damaged portions in fan casing and welding, including cost of consumables Renew the weaken FD Fan IGV base: Work involves disconnecting and dismantling of IGV link rod from actuator. Dismantle the actuator base plate and PCC concrete. Making holes in the ground through diamond core cutting machine, fixing and leveling foundation bolts, reconcreting, fixing of base plate with channel, apply two coats of anticorrosive paint and remounting of actuator, reconnecting of links & checking the IGV open/ close operation by manually and normalizing, including cost of consumables Charges for one coat of painting the fan suction hood, silencer assembly, fan housing, casing and diffuser with enamel paint, including cost of consumables and hire charges of T&Ps. in Thiruvallur - Tamil Nadu has been published.
The last date of this tender is 12/08/2022, work value is  0 (Refer Doc) INR, EMD is  7300 INR and tender document fees is  0 (Refer Doc) INR
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