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Tender For Overhauling Of Pressure Parts & Air Pre-Heater Of Unit No-02 Of 3X210 Mw, Atps, Anpara., anpara-Uttar Pradesh

Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Tender For Overhauling Of Pressure Parts & Air Pre-Heater Of Unit No-02 Of 3X210 Mw, Atps, Anpara.. Submission Date for this Tender is 09-01-2023. Soldering and Welding Machinery Tenders in anpara Uttar Pradesh. Bidders can get complete Tender details and download the document.




Tender Notice

34831417
Corrigendum : Tender For Overhauling Of Pressure Parts & Air Pre-Heater Of Unit No-02 Of 3X210 Mw, Atps, Anpara.
Open Tender
Indian
Uttar Pradesh
anpara
09-01-2023

Tender Details

Overhauling Of Pressure Parts & Air Pre-Heater Of Unit No-02 Of 3X210 Mw, Atps, Anpara.- 1 Erection And Dismantling Of Cup-Lock Scaffolding 2 H.P. Jet Cleaning Of Boiler Pressure Parts And De-Slugging Of Tubes Of Water Wall, Scw, Platen S / H, Crh, Hrh, Final S / H, Ltsh, Economizer, Baskets Of Aph. 3 General Survey Of Boiler Pressure Parts 4 Repairing Of Furnace Ceiling Of Penthouse In First Pass, Second Pass And Roof Of Dog House, Inspection And Rectification Of All Hanger Support, Refractory Work At Different Area Of Boiler And Air Tightness Test ( Att ) 5 Rectification / Replacement Of Damaged / Eroded Pressure Parts Tubes / Bends / Dmw / Reducer. 6 Build Up Of Eroded Portion Of The Tubes Caused By Ash / Steam Erosion Using Suitable Welding Electrodes Matching With Parent Metal Composition. Depth Of Erosion Up To 2.5 Mm, Length Of Erosion Up To 250 Mm 7 Repairing And Rectification Of Economizer Coil With Measurement And Rectification Of Coil Pitches ( One Coil Counted For Top & Bottom ) 8 Fins Welding Of Water Wall, Scw And Saw Cut Fins. 9 Providing Additional Ss Half Shield In S / H, Screen & Hanger Tubes, W / W Tubes, Ltsh / Economizer Coil / Bends And Other Area Of Pressure Parts. 10 Repairing / Rectification Of Buck Stay Corner Attachment In Boiler 1St & 2Nd Pass 11 Alignment Of Horizontal & Vertical Buck Stay Beam. 12 Replacement Of All Types Of Seals With Holding Strips Including Seal Tabs In Both Aph. 13 Replacement Of All Static Seals And Rotor Post Seal With Repairing Of Seal Ring Segments And Spool Piece In Both Aph. 14 Repairing Of Eroded Sector Plates Of Both Aph. 15 Repairing Of Bracing Pipe In Fg Side With Proper Shield In Both Aph. 16 Removal And Shifting Of H.E. Baskets Of Both Aph To Zero Meter For Jet Cleaning With Minor Repairing. 17 Removal And Shifting Of C.E. Baskets Of Both Aph To Zero Meter For Jet Cleaning. 18 Repairing Work By Replacing Plate Not Less Than 300X1000 Mmm In Both Aph. 19 Leveling Of All Sector Plates Ce & He, Adjustment Of Axial Seal Plates, Rotor Leveling, Sealing Of Adjusters Of Sector Plates And Replacement Of Axial Seal Plate Assembly Of Both Aph. 20 Inspection And Servicing Of Support Bearing Assembly Of Both Aph. 21 Checking, Inspection And Servicing Of Guide Bearing And Servicing Of Lube Oil System And All Its Components Of Both Aph. 22 Checking Of Drive Unit Including Servicing Of Gear Box, Fluid Coupling, Air Motor And Servicing / Repairing / Replacement Of Soot Blowers Of Both Aph. 23 Repairing Of Expansion Bellows Of Pa / Sa / Fg Duct. 24 Repairing / Rectification Of And Tightening Of All Hanger Supports / Tie Rods Of Pa / Sa / Fg Duct 25 Optional Work 26 Replacement Of He / Ce Sector Plate 27 Replacement Of Support Bearing 28 Replacement Of Guide Bearing

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 14-Dec-2022 TIME EXTENSION Date 23-12-2022
2 23-Dec-2022 Extension of date Date 30-12-2022
3 30-Dec-2022 Date extension Date 09-01-2023

Key Value

Document Fees
INR 1180 /-
EMD
INR 109000.0 /-
Tender Value
INR 90.73 Lakhs /-

BOQ Items

Name of Work: Overhauling of Pressure Parts & Air Pre-Heater of unit No-02 of 3x210 MW, ATPS, Anpara.
Sl. No. Item Description
1Erection and dismantling of Cup-lock Scaffolding
2H.P. jet cleaning of Boiler Pressure Parts and De-slugging of tubes of Water Wall, SCW, Platen S/H, CRH, HRH, final S/H, LTSH, Economizer, Baskets of APH.
3General Survey of Boiler Pressure Parts
4Repairing of furnace ceiling of Penthouse in first pass, second pass and roof of dog house, Inspection and rectification of all Hanger Support, Refractory work at different area of boiler and Air Tightness Test (ATT)
5Rectification/replacement of damaged/eroded pressure parts tubes/bends/DMW/reducer.
6Build up of eroded portion of the tubes caused by ash / steam erosion using suitable welding electrodes matching with parent metal composition. Depth of erosion up to 2.5 mm, length of erosion up to 250 mm
7Repairing and rectification of Economizer coil with measurement and rectification of coil pitches (One coil counted for top & bottom)
8Fins welding of Water wall, SCW and saw cut fins.
9Providing additional SS half shield in S/H, Screen & Hanger tubes, W/W tubes, LTSH/Economizer coil/bends and other area of pressure parts.
10Repairing/rectification of Buck stay corner attachment in boiler 1st & 2nd Pass
11Alignment of horizontal & vertical Buck stay beam.
12Replacement of all types of Seals with holding strips including seal tabs in both APH.
13Replacement of all Static Seals and rotor post seal with repairing of seal ring segments and spool piece in both APH.
14Repairing of eroded sector plates of both APH.
15Repairing of Bracing pipe in FG side with proper shield in both APH.
16Removal and shifting of H.E. Baskets of both APH to Zero meter for jet cleaning with minor repairing.
17Removal and shifting of C.E. Baskets of both APH to Zero meter for jet cleaning.
18Repairing work by replacing plate not less than 300x1000 mmm in both APH.
19Leveling of all sector plates CE & HE, adjustment of axial seal plates, rotor leveling, sealing of adjusters of sector plates and replacement of axial seal plate assembly of both APH.
20Inspection and servicing of Support bearing assembly of both APH.
21Checking, inspection and servicing of Guide bearing and servicing of lube oil system and all its components of both APH.
22Checking of drive unit including servicing of gear box, fluid coupling, air motor and servicing/repairing/ replacement of soot blowers of both APH.
23Repairing of expansion bellows of PA/SA/FG duct.
24Repairing/rectification of and tightening of all hanger supports/Tie rods of PA/SA/FG duct
25OPTIONAL WORK
26Replacement of HE/CE sector plate
27Replacement of Support bearing
28Replacement of Guide bearing
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