Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date7 Sep 2023
Closing Date26 Sep 2023
Tender Amount₹ 6,45,334
Costs
EMD
₹ 6,400Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2023_EB_367553_1Bid Award Id
ViewTender No
CE/SE/O/TTPS/Spec.No.155/23-24Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://tntenders.gov.in
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Documents
TTPS Operation Circle MPM II ACP Reconditioning of blower assembly by renewing of air intake vane assemblies and newly provide air damper etc and commissioning of the blower B at Fan House Unit III
TTPS Operation Circle MPM II ACP Reconditioning of blower assembly by renewing of air intake vane assemblies and newly provide air damper etc and commissioning of the blower B at Fan House Unit III
BOQ Items
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Charges for providing necessary supports at both sides of the blower shaft, dismantling the plummer block assembly, bearing assembly and air intake vane assembly etc. after cutting and removing of the supporting frames at both sides of the blower shaft, lifting the materials by using chain blocks if necessary scaffolding arrangements should be made and the materials should be kept at out side of the blower room as per the direction of the Engineer-in-charge. (All consumables, T&P hire charges under Contractor's Scope)
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Charges for dismantling the front, top, side casing covers by cutting & removing of the bolt & nut, for lifting of the blower impeller assembly at Fan House 'B' at Unit III as per the direction of Engineer-in-charge. (All consumables, T&P hire charges under contractor's scope)
1
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Charges for cutting & removing the existing erroded Air duct (size 2.0 X 1.5 x 1.5) mtr. and if necessary scaffolding arrangement should be made, lifting and moving the outside of blower room as per direction of the engineer-in-charge.(All consumables, T&P hire charges under contractor's scope)
10.5
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Charges for transportation of the Taper lock bushes of Fly wheel Qty. 1No. make: Fenner bush size 5050 from TTPS to workshop at town, enlarging the bore from pilot bore and also providing the keyway in the Taper lock bushes as per the sample, transporting back to TTPS for fixing in the shaft of the centrifugal fan & motor at Fan House Unit III Blower ‘B’. (All consumables, T&P hire charges under contractor's scope) [Fly wheel supplied by board]
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Charges for transportation of the Taper lock bushes of motor pulley Qty. 1No. make Pix size 3535 from TTPS to workshop at town, enlarging the bore from pilot bore and also providing the keyway in the Taper lock bushes as per the sample, transporting back to TTPS for fixing in the shaft of the centrifugal fan & motor at Fan House Unit III Blower ‘B’. (All consumables, T&P hire charges under contractor's scope) [motor pulley supplied by board]
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Charges for re-assembling of air intake vane assemblies supporting frames, plummer block assemblies at both sides by using lifting arrangements, chain block etc.(if necessary cutting & welding of frames)fixing properly, tightening of the bolt & nuts after the proper aligning of supporting frames, plummer block assembly as per the direction of Engineer-in-charge [T&Ps and consumables under contractor’s scope]
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Charges for fabrication and erection of Discharge Air Duct Size (2.0 + 1.5 ) legnth 1.5 by 1mm G.I Sheet and frame by (40 x 40)mm angle and fixing the existing blower ‘B’ through bellows in Unit III Fan House. The rates include T & P hire charges and necessary consumables etc. [1mm thick GI Sheet will be supplied under Contractors Scope]
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Material cost Contractor scope
MS Angle size 40x40thick 3mm
0.04
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Material cost Contractor scope
GI sheet std size 2.5x 1.25 thick 1mm
0.12
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Charges for loading & unloading the air damper approximate weight 300Kg size(2000 x 1080)mm from pocket / Central Store to Fan House III blower room and lifting & moving damper assembly to fix the blower assembly 'B' after providing the 10mm hole in face side of the damper and blower as per the direction of engineer in charge
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Charges for fixing the new self aligned double row taper lock bearings No.1318K with sleeve and lock washer to both side of the blower shaft and checking the tightness as per the direction of Engineer-in-charge. [T&Ps and consumables under contractor’s scope]
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Charges for lifting the shaft with impeller assembly and keeping at plummer block assembly, checking the bearing at both sides after aligning and tightening of the plummer block assembly, greasing packing of the bearing, checking the free rotation of the impeller assembly, testing of the all bolts & nuts as per the direction of Engineer-in-charge. [T&Ps and consumables under contractor’s scope].
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Charges for fabrication of 4Nos blower front cover by MS sheet thickness 3.15mm (size:2mtrx500mm)by fixing (40x40x4mm) angle in top & bottom of the front cover and 6mm holes providing in the both sides and top & bottom of the L angle as per the sample as per the direction of engineer in charge.(The rates includes consumables, T&P and materials)
4
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Fabrication of 1No inspection door size (800x500m) by MS plate 3.15mm with 6mm holes all sides and fixing in the side of the blower cover after providing the opening as per the direction of engineer in charge. (The rates includes consumables, T&P and materials)
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Charges for re-assembly of the front, top, side casing cover by fixing properly tightening of the bolts & nuts of necessary cutting & welding as per the direction of engineer-in-charge. (The consumables, bolt & nuts under contractor’s scope)
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Charges for conducting the static balancing test on blower 'B' assembly at Unit III Fan House [T&Ps and consumables with contract scope].
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Charges for re-assembling Fly Wheel [Approximate weight 300Kg] 27KW motor shifting to new fabricated motor bed (App 500kg) by using the chain blocks and fixing the motor pully and renewing the 'V' belt and aligning motor and re termination of power cable testing & commissioning of blower ‘B’ centrifugal fan Model No.9.5 LLD at Fan House Unit III.
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Charges for fabrication & erection of new air duct size (0.5 x 0.5)mtr length 5mtr by GI sheet of 0.63mm thickness after removing the damaged / eroded portion in the fan house III air duct line leading to feed pump shift operator room of 4.5mtr Turbine floor area and also new air duct size 0.5 x 0.5 mtr length 52mtr by 0.63 thickness GI sheet at Unit II LT & HT maintenance office room (G.I sheet under Contractor's Scope) as per the direction of engineer in charge. The rate including T&P hire charges etc.,
22
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Contract scope material GI Sheet size(2 x 1)mtr thick 0.63mm (11 nos)
0.11
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Charges for cutting & removing the 20Nos. (Length:4.6m) corroded portion of filter fixing frames and renewing of filter fixing frames by welding at the existing channels in Unit III Fan house, providing additional supports for the filters fixing frames as per the direction of engineer in charges. (Filter fixing frames, other consumables T&P hire charges under contractor’s scope)
20
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Material cost Contractor scope
Filter fixing frame (size Legnth 4.6 mtr Width 60 mm material GI)
20
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Charges for painting two coats enamel paint after cleaning the rusted area of centrifugal fan B in Fan house Unit III and newly erected air duct. (The rates including enamel paint wire brushes and other consumables, scaffolding arrangements under contractor’s scope)
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