OVERHAULING OF U#5 ASH HANDLING PLANT BKTPS

OH OF U#5 BA HOPPER AREA

Replacement/Repairing of Clinker Grinder ( With checking & repairing /replacement of feedsump/ feedsump adapter/ nozzle, combine tube, nozzle tip<(>,<)> nozzle holder etc. )

OH of Feed Gate along with Feed Gate ( Accessories. )

Servicing/Replacement of Hydroejector ( Along with Hydro ejector Nozzle Tips, Throat, Inlet Piece, Nozzle Plate, Nozzle Inlet, Throat Increaser and Intermediate Wear Piece etc. )

Replacement of BA Hopper looking glass/ ( Looking glass assembly including repairing of cooling line & nozzle. )

Servicing/Replacement of Knife Gate V/V ( (200NB/300NB) at economizer hopper & at discharge of Clinker Grinder. )

Servicing/Replacement of 300NB ( 250NB Gate/Globe/Butterfly Valve. )

Servicing/Replacement of 100NB/150NB/ ( 200NB Butterfly/Plug Valve/Gate/Globe Valve. )

Servicing/Replacement of 15NB/25NB/50NB/ ( 65NB/80NB/32NB Gate/Globe/Butterfly Valve/Ball Valve. )

Trough Seal, Economiser Hopper, Eco ( Seal Box (including repair/ replacement) & its drop pipes and BA Hopper checking & cleaning. )

OH OF U#5 ESP AREA

Removal, physical inspection, refitting ( And replacement of ESP Fluidising Tiles including frame of fluidising tiles (if required) and its pipe fittings & accessories to the fluidising line. )

Checking, removal, refitting, repairing/ ( replacement of MHV of ESP & APH Hopper for wet cleaning including adapter (ESP hoppers/APH hoppers/ Eco hoppers).Change of Seat/Disc of the valves as per condition. )

Checking, Repairing/Replacement of ( 10inch/8inch TERSG V/Vs. )

ESP Hopper inside checking, cleaning ( repairing (if required) and change of all manhole door packing gasket for wet cleaning. )

Flushing/Cleaning of fluidising air line ( including replacement of damaged pipe, and valves<(>,<)> )

OH OF U#5 FA TOWER AREA

Bag Filter/Cage checking, Cleaning & all ( bag filter, cage, ventury replacement with pulse jet bar checking and repairing, changing of pulsejet hose and tightening by jubilee clamp if required. )

Checking, Repairing/Replacement of Dump ( Gate V/V of PCT and its seal including repair of PCT and its seat & with fixing of SS Liner Plate, Dump Gate Gasket, Bearings, Bushes etc both for Top Gate and Bottom Gate as per requirement. )

Checking, Repairing/Replacement of Vent ( equalising valve of PCT and ALV including change of short piece. )

Physical inspection & repairing of ISH ( Including change of fluidizing tiles<(>,<)>repair/ replacement of frame and checking and cleaning/ repair of fluidizing lines and its valves and servicing/ replacement of PRV. )

Checking, repairing/replacement of ALV ( RSV including fluidizing tiles and repairing/replacement of body pad and spool piece. )

Disposal of ISH ash through tractor ( to the ash dumping yard. )

Repairing/Replaceemnt of Collector Tank ( Cylindrical and conical portion including checking & replacement of impingement plate, checking and clearing of Seal Box with minor repair if required. )

Repairing/Replaceemnt of Wetting Head ( including checking & replacement of nozzle, inlet section, gaskets, tail piece, outlet section etc. )

OH of Air Washer (Dry / Wet) including ( checking & replacement of nozzles, gaskets etc. or replacement of whole assembly )

U#5 PIPELINE & FABRICATION JOB

Rotation/Replacement of 8 inch/10 inch ( CI/ MS pipe line including bend/lateral/spool piece & T-joint below ESP Hopper & up to FAE Tower, line alignment checking, repairing/erection of damaged support, coupling, gasket replacement etc. )

Replacement of Vacuum Line, MS, ISH vent ( To ESP duct MS 200 NB )

Replacement of Dry Air Washer Drain Line ( BAHP Valve station pipe line up to hydro ejector inlet (MS 150 NB) )

Replacement of ISH, ALV fluidising line, ( Sealing line at BACR, Seal water line at Vacuum Pumps, Eco water flushing nozzle connection (MS 15 NB, 25 NB, 32 NB, 40 NB, 50 NB) )

Replacement of 8inch, 10inch DRC Pipe

Replacement of 10inch CI/DRC ( Bend, Tee etc. )

Fabrication and erection of 150NB,200NB, ( 250NB, 300 NB MS bends with complete welding. )

Fabrication and erection of 32NB, 40NB, ( 50NB, 65NB, 80NB, 100NB , 125 NB MS bends with complete welding. )

Replacement of Eco Slurry to BAH ( (MS, 300 NB), HP & LP line in BAH area, Collection tank drain and overflow line (MS 200 NB, 250 NB,300 NB) )

Replacement of BAH area HP jetting ( Including inside BAH jetting line with fitting of jetting nozzle, LP M/U, Trough Seal M/U, Trough Seal Drain (MS 100 NB/80 NB) )

Replacement of HP Flushing line inside ( BAH with cutting of opening of Jetting Nozzle, outside enclosure pipes (MS, 150 NB) )

Replacement of Refractory Cooling Header ( inside and outside BAH with cooling nozzle inside BAH area, individual connection from outside BAH header to inside BAH header, Looking glass cooling supply line, PCT, ALV vent Lines (MS 65 NB, 50 NB, 25 NB) )

Replacement of Eco water, Clear Water ( Line to u#5, (MS 100 NB, 80 NB) )

HIRING OF HYDRA (CAPACITY 14/20 T)

HIRING OF HYDRA (CAPACITY 14/20 T) ( i) Scope includes Operator & Fuel, lubricant etc. and Break down maintenance, if any. ii) The above service of Hydra to be provided throughout the OH period. )

GST Extra as applicable