Overhauling of Electrostatic Precipitators & Flue Gas ducts from APH outlet to chimney inlet and associated works of 3X210 MW, unit-2 to 4 Boilers (OH-6)

Overhauling of Electrostatic Precipitators & Flue Gas ducts from APH outlet to chimney inlet and associated works of 3X210 MW, unit-2 to 4 Boilers (OH-6)

Opening of access doors of all fields, cleaning of ESP internals and inspection of all fields for missing bolts, flaws in welding, broken supports, broken arms, misaligned rapping shafts, bent shock b...

Replacement/repair of inner and outer arm or both with hammers. ---- Bidders are requested to go through the bid document.

Replacement/repair of Plain bearing .( Per Brg.) ---- Bidders are requested to go through the bid document.

Replacement of pin wheel (Emitting electrode rapping system in unit-3 to 4 only).( Per No.) ---- Bidders are requested to go through the bid document.

Replacement of split bush/pin wheel bearings (in U-3 to 4 Blrs.) ---- Bidders are requested to go through the bid document.

Replacement or repairing of shock bars of collecting system (U-1&2 Blrs.) (Per shock bar) ---- Bidders are requested to go through the bid document.

Replacement or repairing of shock bars of collecting system (U- 3 to 4 Blrs.) (Per shock bar) ---- Bidders are requested to go through the bid document.

Replacement or repairing of shock pads of collecting system(U- 3 to 4 Blrs). (Per shock Pad) ---- Bidders are requested to go through the bid document.

Replacement/rectification of Emitting & collecting rapping shaft . (Per shaft) ---- Bidders are requested to go through the bid document.

Welding of leakage joints in ESP ducts/wall and roof panels. (Per Rmt) ---- Bidders are requested to go through the bid document.

Overhauling of rapping gear boxes (48 gear boxes each in Unit-1&2, 38 nos. in U-3, 52 Nos. in U-4) (Per gear box) ---- Bidders are requested to go through the bid document.

Repair/Rectification/Removal of Collecting Electrodes . (Per electrode) ---- Bidders are requested to go through the bid document.

Replacement of snapped worn out or loose emitting electrodes . (Per electrode) ---- Bidders are requested to go through the bid document.

Replacement/rectification of worn out screen sheet. (per No.) ---- Bidders are requested to go through the bid document.

Cleaning the ash collected in the ESP hoppers (For 48 hoppers per unit) (per unit) ---- Bidders are requested to go through the bid document.

Rectification /Replacement of deflector plates inside the ESP hoppers:( Per No.) ---- Bidders are requested to go through the bid document.

Repairs of hopper walls inside the ESP hopper.(per Rmt) ---- Bidders are requested to go through the bid document.

Cleaning/inspection of support & shaft insulator. (Per unit) ---- Bidders are requested to go through the bid document.

Rectification / Repair & replacement of support insulator & shaft insulators.( Per No) ---- Bidders are requested to go through the bid document.

Replacement of damaged/missing 'U' guide clamps of collecting electrodes(Per No.) ---- Bidders are requested to go through the bid document.

Opening of Access doors of FG ducts, cleaning of the gas Ducts from APH outlet to Chimney inlet.( Per Boiler) ---- Bidders are requested to go through the bid document.

Rectification of Expansion joints(Per expn.Jt.) ---- Bidders are requested to go through the bid document.

Repair of seal plates.(per Rmt) ---- Bidders are requested to go through the bid document.

Repair of Flue gas ducts (per Rmt) ---- Bidders are requested to go through the bid document.

Rectification of bracings & Providing of angles over bracings. (per Bracing) ---- Bidders are requested to go through the bid document.

Rectification of deflector plates in Flue gas ducts. (Per MT) ---- Bidders are requested to go through the bid document.

Repair/Replacement of turn buckles. (per turn-buckle.) ---- Bidders are requested to go through the bid document.

Servicing of FD/PA fan discharge dampers. (per No.) ---- Bidders are requested to go through the bid document.

Servicing of damper in flue gas duct at ESP inlet & outlet also interlock dampers.( per No) ---- Bidders are requested to go through the bid document.

Supply and usage of consumables as per the list detailed in Annexure-V. ---- Bidders are requested to go through the bid document.