Tamil Nadu Generation And Distribution Corporation Limited Tender
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The TANGEDCO has issued a formal invitation for competitive bids for the Tamil Nadu Generation And Distribution Corporation Limited project, for Nctps I Se Mi Circle Turbine Maintenance Division Annual Overhaul Work For The Year 25 26 Specification No 16 25 26 in Tiruvallur, Tamil Nadu. The bid opening date for this tender is 21-05-2025 and the last date for bid submission is 03-06-2025. Interested bidders for Tamil Nadu Generation And Distribution Corporation Limited tender can download the important documents here to check the tender amount, scope of work, eligibility criteria and technical requirements.
Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Machinery and Tools
Eprocure
Opening Date21 May 2025
Closing Date3 Jun 2025
Tender AmountRefer Documents
Costs
EMD
₹ 17,100Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Nctps I Se Mi Circle Turbine Maintenance Division Annual Overhaul Work For The Year 25 26 Specification No 16 25 26
Description
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Contact
Tender Id
2025_EB_560109_1Bid Award Id
ViewTender No
CE SE MI NCTPS I 16 25 26Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
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Documents
NCTPS I SE MI circle AOH COH 25 26 TM Dn Cutting Reconditioning and Erection of Damaged passing of High pressure Feed Water Suction valves and Extraction 13 valve in Turbine Feed Water System in Unit I
NCTPS I SE MI circle AOH COH 25 26 TM Dn Cutting Reconditioning and Erection of Damaged passing of High pressure Feed Water Suction valves and Extraction 13 valve in Turbine Feed Water System in Unit I during Overhaul 2025 26
BOQ Items
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Charges for overhauling of Feed Water Suction valves (FS1, 2, 3) from the BFP suction line and Extraction valve (Ext13) including dismantling, inspection, rectification of defects, if any, lapping of valve seat and disc, renewal of sealing rings, gland packing etc. cleaning of all parts, freeing of all fasteners, inspection of drive bush, bearings, etc. and renewing if necessary, assembling the valve, yoke. Including consumables, and hire charges of T&P's.
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Charges for Preparing the fixture for valve seat to hold in lathe and machining the same to expose parent metal for welding and filling up material in the worn out area of valve seat by welding using alloy steel welding electrode and machining the valve seat to the required size. Including consumables, and hire charges of T&P's.
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Charges for Machining the valve stem & disc in lathe to expose parent metal to have good bonding for welding and filling up material in the worn out area of valve stem & disc by welding using alloy steel welding electrode and machining the valve stem & disc to the required size. Including consumables, and hire charges of T&P's.
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Charges for Hydraulic testing of the reconditioned valve at 20 to 170 kg/cm2 max. Pressure in the presence of site engineer. Including consumables, and hire charges of T&P's.
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Charges for Edge preparation of Feed Water Suction valves (FS1, 2, 3) from the BFP suction line and Extraction valve (Ext13) and spool piece. (3 joints-each). Including consumables, and hire charges of T&P's.
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Charges for Drilling and edge preparation of suitable hole for welding the drain line in the new spool piece. Including consumables, and hire charges of T&P's.
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Charges for Positioning of spool piece in line with Feed Water Suction valves (FS1, 2, 3) from the BFP suction line and Extraction valve (Ext13) and welding. Positioning of drain line and tag welding it with spool piece and the drain pipe line. Including consumables, Transportation and hire charges of T&P's.
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Charges for Preheating the weld area of spool piece Feed Water Suction valves (FS1, 2, 3) from the BFP suction line and Extraction valve (Ext13) and drain line with spool piece (heating coils and welding transformer are to be arranged by the contractor) Including consumables, transportation and hire charges of T&P's.
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Charges for TIG welding the spool piece, Feed Water Suction valves (FS1, 2, 3) from the BFP suction line and Extraction valve (Ext13) (3 joints each) and TIG welding the drain line with the spool piece. Including consumables, and hire charges of T&P's.
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Charges for Stress releaving the welded area of the line. (Heating coils and welding transformer are to be arranged by the contractor). Including consumables, and hire charges of T&P's.
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