Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Nctps Ii Mi Circle Mpm Unit I Complete Overhauling Of Seal Air Fan 1A. Submission Date for this Tender is 07-07-2022. Seals Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Charges for removing motor & fan coupling bolts, dismantling the motor from motor bed, removing the half coupling from shaft, bearing lock nut, bearing blocks for both drive & non drive side, removing bearing spacers, and bearing bloks of both driven side and non driven side, shaft cover, drive seals, including hire charges for T&P"s and cost of consumables. |
| 2 | Charges for dismantling the damaged seal air fan shaft with impeler by dismantling the existing seal air fan shed, impeller ring,loosening of mounted bolts removing of top seal air fan casing ,expansion bellow,lifting the shaft with impeller from its position and transporting to repair bay including transportation,T & Ps and cost of consumables. |
| 3 | Charges for dismantling and removing the impeller from the damaged seal air fan shaft by removing the existing motor coupling, bearing blocks, bearings, slweves, retainers on both sides, and loosening of impeller mounted bolts & cone and releasing from the shafts including T & Ps and cost of consumables. |
| 4 | Charges for checking & correcting bearing block mounting petestal with bearing block by through cleaning bottom of bearing block and petestal, applying the blue to the mounting petestal, fixing the bearing block to the blue applied petestal, checking the contact diffences, correcting the bearing block uneve matching by puffing, again checking & correcting the blue matching to make full contact to the petestal, checking the contact between to two halfs of the bearing blocks and correcting the differences to ensure the full contant and checking interfrence between bearing block and bearing including hire charges for T&P"s and cost of consumables. |
| 5 | Charges for transporting the new seal air fan shaft to repair bayfor assembling the released impeller & cone by thorough cleaning & surface preparation the shafts,checking the mesurements, leading, lifting & positioningthe relesed impeller with cone & tightening the bolts,including T & Ps and cost of consumables. |
| 6 | Charges for shifting the assembled seal air shaft with impeller to seal air system, leading,lifting, positioning into the mounting bed, refixing of the top casing, shaft cover,expansion bellow, tightening casing with asbestos rope, refixing the shaft seals on both side checking freenees of the shaft, including transporting, T & Ps and cost of consumables. |
| 7 | Charges for assembling the new bearings on both sides by thorough cleaning & surface preparation the shafts,checking the mesurements, heating & soaking the new bearingsafter checking themeasurements fixing the bearing, both sides including hire charges for T&P"s and cost of consumables. |
| 8 | Charges for checking the face out for both side bearings and making shim correction, refixing the oi lrings on both side, checking freenees of the shaft, refixing the bearing block and motor coupling, corection of verticality and alignment of fan and motor by taking pre alignment reading and verticality, complete cleaning of motor foot, base plate, housing base and positioning, correction of verticality by add/removal of shim at driven end, non driven end and motor,aligning the fan and motor axilly and radially with in the limits, checking the tightness of all bolts, correcting the clearance between shaft and outer casing, fresh oil filled, trial run of the seal air fan including hire charges for T&P"s and cost of consumables. |
| 9 | Charges for overhauling of suction butter fly valve of seal air fan by dismantling the valve from seal air fansuction header, dismantling the valve internals such as steam rod, flaps, connecting pins, overhauling flaps & steam rod, reassembling the valve, checking open & close operation which includes T&P"s and cost of consumables. |
| 10 | Charges for Rectification/Replacement of suction/ discharge dampers of seal air fan by opening of seal air fan casing side cover, dismantling ofall connecting rod and cleaning of all connecting rod, removing of bend, reassembling of all connecting rod, reassembling of seal air fan damber, checking of open/close operation including cost of consumables, hire charges for T&P"s. |
| 11 | Charges for rectification/renewing of seal air fan suction rubber bellows by dismantling and lowering ofseal air fan rubber expansion bellow , replace the side beedings,lifting of either new or repaired seal air fan rubber bellowto the position and fixing including cost of consumables, hire charges for T&P"s. |
| 12 | Charges for strenthening of the dynavan filter of seal air fan, removingand lowering of dynavan filterfrom seal air header3mtr to 0mtrinspection of internal and renewing the worn-out filter outer cover and strenthening ofdynavan filter outer cover if necessary and lifting of either new or repaired dynavan filter to the position and fixing with suction header including cost of consumables, hire charges for T&P"s. |
Copyright © 2024 · All Rights Reserved. Terms of Usage | Privacy Policy
For Tender Information Services Visit : TenderDetail
