Tender For Mtps-Ii – Boiler Maintenance – Annual Overhaul - 2025-26- Inspection, Checking The Electrode Alignment, Strengthening Of Collecting Plates & Renewal Of Emitting Electrodes, Shock Bars, Plain Bearings In Esp ‘A’ - Pass Fields., Salem-Tamil Nadu

Tender For Mtps-Ii – Boiler Maintenance – Annual Overhaul - 2025-26- Inspection, Checking The Electrode Alignment, Strengthening Of Collecting Plates & Renewal Of Emitting Electrodes, Shock Bars, Plain Bearings In Esp ‘A’ - Pass Fields.; 1 Opening ofmanhole doors in 23m & 13.5melevation and closing all the manhole doors after inspection andcompletion of other rectification worksincluding hire charges T&P required, consumables and all labour charges etc., 2 Mechanical cleaning and water washingin ESPA-pass fields, including collecting plates, emitting electrodes rapping mechanism, structuresand closing all the manhole doors including consumables, lead, lift, T&P etc., 3 Reconditioning the existing damaged collecting plate, and fixing with line in proper manner in the various fields including consumables, lead, lift, T&P etc., 4 Cutting and removing the damaged / twisted ESP collecting electrodes (plates) from ESP A field at top side/ bottom side. The dislodged collecting electrodes are to be cut to the required size and removed from ESP field through ESP side manhole door by providing necessary scaffolding arrangements 5 Replacing of eroded /snapped/ reconditioning/ emitting electrodes (Spike type RSB&RSI)including consumables, lead, lift, T&P etc.,( Emitting electrode will be supplied by TNPGCL at free of cost) 6 Replacing of eroded / snapped emitting electrodes ( wire type)(Emitting electrode will be supplied by TNPGCL at free of cost) 7 Checking, replacing/reconditioning wornout/ bend shock bar after providing necessary scaffolding arrangements. 8 leading and lifting the shock bar from ESP0 mtr to 12.5 mtr elevation (1 set shock bar = 70 kgs for without bolt &nut) 9 Checking, replacing/ reconditioning of worn out plain bearing in CRM and ERM horizontal shafts etc., 10 Strengthening the damaged/weakened collecting electrodes hook arrangements. (sizes of 500 mm width X 15000 mm Long).(This work involves cutting ‘C’ bracket to the required size, providing necessary supports at the bottom of collecting electrode, cutting and removing the damaged portion in the collecting electrode, grinding and cleaning and fixing the “C bracket in the collecting electrode and welding etc., (3mm sheet will be provided by TNPGCL). 11 Renewal of shock bar guide plate & Strengthening of baffle plate structure from A Pass at 14.5 meter elevation including consumables and tools &plants etc. (Required materials will be supplied by TNPGCL) 12 Inspection and removing of damaged / hanged baffle plates inside ESP Hoppersin A Pass including hire charges for T&P required, consumables and all labour charges etc., 13 Checking replacing/reconditioning wornout pin wheel assembly. 14 Shifting of eroded / damaged ESP A pass internals such as Shock bar, Emitting electrodes, plain bearing, rapping shaftfrom ESP ‘0’ mtrand loading it to the vehicle and devolution stores / MTPS-II.

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	29-07-2025	extension of opening date as 130825	Date	12-08-2025

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