Overhauling of Mechanical system for ash handling plant of U 3 Stg II

Scope of work and price bid

BA Feed gate actuator cylinder dismantling, cylinder seal kit checking if require replacement, gasket fitting and cylinder fitting, if require then cylinder replacement.

BA Feed gate alignment including water leakage arrest from enclosure body & view glass checking and replacement, if required.

BA Clinker grinder overhauling (Dismantling of crusher then replacement of shaft, cam segments, sleeve, bearings, wear plates etc.)

BA Clinker Grinder gear box & fluid coupling checking, oil replacement. Alignment of motor to gear box to clinker grinder. Gear box/Fluid coupling bearing replacement if necessary.

BA Jet Pulsion pumps overhauling including checking/replacement of nozzle tip, nozzle plate, wear piece intermediate, throat increaser.

BA hopper four side trough seal nozzle checking, welding of nozzle pipe. Seal trough cleaning & water flushing.

BA clinker grinder chute checking, repairing, welding, painting and refitting.

BA hopper all wall jetting nozzle checking/replacement..

Checking of BA area KGV, then servicing/replacement if required.

Checking & servicing/replacement of Water line valves (Gate, Globe and Plug) at BA area.

Refractory work inside BA hopper with Supply of refractory, fire crete special castable recommended service temp. 1350 deg C, refractoriness (min) 1450 deg C, dry density (kg/m3) 2250, cold crushing strength (kg/cm2) 400(at 110 deg C) and 300 (at 1350 deg C), Pack size 50 kg

Checking and replacement of coupling gasket along with replacement of fittings ( elbow, lateral etc.) for 250NB BA Slurry pipeline below BAH area

Rotation of 250NB BA Slurry pipeline At BAH area

Checking and Servicing/Replacement of Economizer hopper KGV

Checking/replacement if required of drop pipe below each eco hopper & Fabrication & erection of adaptor below each Economizer hopper

Replacement of 200 NB MS discharge pipe from flushing apparatus including fabrication of miter cut bends and reducers.

Replacement of 300 NB MS/ DRC Pipe Common discharge pipe below economizer flushing apparatus including fabrication and erection of discharge cone of individual flushing apparatus discharge pipe up to BA hopper and others areas at AHP as required

Dry & wet cleaning of Economizer hoppers

Dry & wet cleaning of ash from inside of Air Preheated hoppers.

Vacuum line Gasket checking and and replacement.

Overhauling of ESP Material Handling valve replacement if required.

Overhauling of APH Material Handling valve replacement if required.

Replacement of ESP hopper fluidizing tile

Wetting head nozzle cleaning / replacement

Wetting head replacement if required

Replacement of Collector tank cone If required

Checking/replacement (if required) of impingement plate/wear plate/baffle plate inside each Collector tank.

Checking/replacement (if required) of of Collector tank drop pipe.

Wet mode air washer nozzle cleaning/ replacement. Ash cleaning inside of air washer.

Fluidizing airline flushing/cleaning for ESP hopper.

Fly ash pipeline (6#, 8# & 10#) checking /replacement, if required.

Fly ash pipe line (vacuum line) bend, elbow, lateral, match piece replacement

Checking/servicing/replacement of Segregating valves 200 NB and 250 NB.

Checking/servicing/Replacement of vacuum breakers.

Servicing / Replacement of all water line valves of FAE Tower ,necessary rectification if required

Water washing of 200 NB Vacuum line from Vacuum pump to Collecter Tank, Vacuum Pump and Silencer

Modification of SS instrument air line including fabrication erection of necessary supports.

Replacement of different sizes of water pipeline (15 NB to 150 NB )

Replacement of different sizes of water pipeline (200 NB & above )

Cleaning of Buffer hopper, Intermediate Surge hopper, Transfer hopper, Air lock vessels and disposal of ash from worksite to suitable place (as per instruction of department) for FAE tower #3A & #3B

Each Air lock vessel#s top & bottom gate seat and disc checking/replacement(if required)

Each air lock vessel#s vent/equalizing valves, venting & equalizing line, air lock vessel#s fluidizing pad checking and if required, dismantling and repairing and replacement if required

Intermediate Surge hopper wall body welding checking, repairing and strengthening

Checking/replacement of each Transfer vessel fluidizing tiles, top & bottom gate, vent/equalizing valve

Checking/repairing/replacement of square tiles with gasket of Intermediate Surge hopper.

Checking/cleaning/replacement of total filter bags for all buffer hoppers of FAE tower #3A & #3B including pulse jetting bar.

Checking/cleaning/replacement of total filter bags of Intermediate Surge hopper vent filter of FAE tower #3A & #3B including pulse jetting bar

Erection of Manhole with sealing door at each buffer hopper for maintenance purpose

Installation of different types of valves (20 NB to 100 NB) for Dry ash system at FATE Tower- 3A & 3B

Fabrication & Erection of Platforms & walkway with hand rail at different areas at AHP, STG-2 (i)Walk-way with hand rail through Common Eco hopper discharge header for U#3. (ii)Platform with hand rail at HP water supply line isolation valve to Eco hoppers (U#3) (iii) Platform with handrail at each BA Hopper feed gate power cylinder (total- 6 nos) for maintenance purpose (iv) Platform with handrail at different location as requited at FAE Tower # 3A & 3B vertical Fly ash vacuum conveying line for coupling/pipe maintenance purpose

Couplings /Bends/Lateral checking and rectification by fabrication if required for 200NB and above pipe lines

Replacement of Total Copper Cooling coil for 1 T/ 1.5T Window type AC with supply.

Replacement of Total Copper Cooling coil for 1 T / 1.5T split type AC with supply.

Replacement of Total Copper Cooling coil for 2 T window type AC with supply.

Replacement of Total Copper Cooling coil for 4T Standing type AC with supply.

Replacement of Total Copper Cooling coil for 2 T split type AC with supply.

Replacement of Total Copper Cooling coil for 3 T split type AC with supply.

Replacement of Total Copper Cooling coil for 3 T ductable type AC with supply.

Repair of Copper Condenser coil for 1T / 1.5 T / 2 T Window type AC.

Repair of Copper cooling coil for 1T / 1.5 T / 2 T / 3 T split type AC.

Replacement of Runner of 4 T stading type AC with supply.

Replacement of Runner of 1T / 1.5 T / 2 T Split type AC with supply.

Replacement of Runner of 3 T Split type AC with supply.

Replacement of Runner of 3 T Ductable type AC with supply.

Replacement of Runner of 1 T / 1.5 T / 2 T Window type AC with supply.

Replacement of Runner for 7.5 T Ductable type AC with supply.

Replacement of Fan/Blower Motor for window type AC 1 T Capacity with supply.

Replacement of Fan/Blower Motor for window AC 1.5 T / 2 T Capacity with supply.

Replacement of Fan/Blower Motor for Split AC 1 T Capacity with supply.

Replacement of Fan/Blower Motor for Split AC 1.5 T / 2 T Capacity with supply.

Replacement of Fan/Blower Motor for Standing AC 2 T Capacity with supply.

Replacement of Fan/Blower Motor for Standing AC 4 T Capacity with supply.

Replacement of Fan/Blower Motor for Split AC 3 T Capacity with supply.

Replacement of Fan/Blower Motor for Ductable AC 3 T Capacity with supply.

Replacement of cooling Motor (3 phase, 3 HP) for Ductable AC of 7.5 T Capacity with supply.

Replacement of Starting Relay for 1 T / 1.5 T / 2 T Split/Window AC with supply.

Installation/Replacement of 1 POLE MCB at AC power line without supply of MCB.

Installation/Replacement of 2 pole MCB at AC power line with supply of MCB, Make Siemens, Rating 25 Amp

Installation/Replacement of 3 pole MCB at AC power line with supply of MCB, Make Siemens, Rating 25 Amp

Extension of Electrical wiring for AC machine with 4 sq mm Copper wire with earthing in PVC casing / pipe per meter with supply of the wire, casing etc. wiring materials per meter.

Replacement of Starting/Running Capacitor with supply for 1 T Window/Split type AC.

Replacement of Starting/Running Capacitor without supply for 1T Window/Split type AC.

Replacement of Starting/Running Capacitor with supply for 1.5 T Window/Split type AC.

Replacement of Starting/Running Capacitor without supply for 1.5 T Window/Split type AC.

Replacement of Starting/Running Capacitor with supply for 2 T Window/Split type AC.

Replacement of Starting/Running Capacitor without supply for 2 T Window/Split type AC.

Replacement of Strainer Capillary with supply for 1 T / 1.5 T / 2T / 3 T Split/Window Type AC machine.

Connection with supply of Drain pipe per meter for Split/Window/Standing type AC m/c of capacity 1 T /1.5 T /2 T /3 T.

AC machine Split / Window compressor repairing capacity 1 T.

AC machine Split / Window compressor repairing capacity 1.5 T / 2 T.

AC machine Split compressor repairing capacity 3 T.

AC machine Ductable compressor repairing capacity 3 T.

AC machine standing A.C compressor repairing capacity 3T.

AC machine standing A.C compressor repairing capacity 4T.

Partial Gas top up /partial gas filling of 1T/1.5T/2.0/2.5/3T/4T Capacity AC m/c including supply of gas.

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Window Type AC machine Capacity 1 T.

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Window Type AC machine Capacity 1.5 T.

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Window Type AC machine Capacity 2 T.

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Split Type AC machine Capacity 1 T.

Supply & Filling of gas(Full gas charging) R-22/ R- 410a for Split Type AC machine Capacity 1.5 T

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Split Type AC machine Capacity 2 T

Supply & Filling of gas(Full gas charging) R-22/ R- 410a for Standing Type AC machine Capacity 4T

Supply & Filling of gas (Full gas charging)R-22/ R- 410a for Split Type AC machine Capacity 3 T

Supply & Filling of gas(Full gas charging) R-22/ R- 410a for Ductable Type AC machine Capacity 3 T

Supply & Filling of gas(Full gas charging) R-22/ R- 410a for Standing Type AC machine Capacity 2 T

Supply & Filling of gas R-22/ R- 410a for Ductable Type AC machine Capacity 7.5T

Repairing/Rewinding of Blower Motor/Cooling Motor for Split/Window/Standing type AC Machine of capacity 1 T /1.5 T /2 T /3 T.

Repairing/Rewinding of Cooling Motor (3 phase, 3 HP) for Ductabler type AC Machine of capacity 7.5 T.

Repairing/Rewinding of Condensor Motor (Single phase, 0.5 HP) for Ductable type AC Machine of capacity 7.5 T.

Overhauling of Window. machine which includes Servicing and cleaning of Window A.C . Servicing includes cleaning of filter pads and condenser /evaporator coils by c shine alkane coil cleaner or other cleaner materials. Capacity 1 T.

Overhauling of Window machine which includes Servicing and cleaning of Window A.C . Servicing includes cleaning of filter pads and condenser /evaporator coils by c shine alkane coil cleaner or other cleaner materials. Capacity 1.5 T.

Overhauling of Window machine which includes Servicing and cleaning of Window A.C . Servicing includes cleaning of filter pads and condenser /evaporator coils by c shine alkane coil cleaner or other cleaner materials.Capacity 2 T

Overhauling of Split AC machine which includes Servicing and cleaning of Spit AC indoor/outdoor unit . Servicing includes cleaning of filter pads and condenser /evaporator coils by c shine alkane coil cleaner or other cleaner materials Capacity 1.5 T

Overhauling of Split AC machine which includes Servicing and cleaning of Spit AC indoor/outdoor unit . Servicing includes cleaning of filter pads and condenser /evaporator coils by c shine alkane coil cleaner or other cleaner materials Capacity 2 T

Overhauling of Standing A.C. machine Capacity 3 T

Overhauling of Standing A.C. machine Capacity 2 T/2.5T

Overhauling of Standing A.C. machine Capacity 4 T

Filter pad replacement of 1 T / 1.5 T/2T Split/Window type AC Machine with supply

Filter pad replacement of 2 T / 3 T Split/Window/Standing/Ductable type AC Machine with supply

Filter pad replacement of 7.5 T Ductable type AC Machine with supply

Fan Blade replacement for Split / Window AC M/c of capacity 1T /1.5T /2 T/4T.

Fan Blade replacement for Split AC Machine of capacity 3 T

Fan Blade replacement for Standing AC Machine of capacity 3T

Fan Blade replacement for Ductable type AC Machine of capacity 7.5 T

Air filter checking and cleaning for Split / Window AC M/c of capacity 1 T /1.5 T /2 T /3 T/4T.

Condenser coil, cooling coil cleaning& tit-bit jobs as required including cleaning of area of A.C machines

Electrical connection checking & rectification of minor Tit-Bit jobs regarding electric supply line.

Replacement of Front Grille for 1 T /1.5 T /2 T window type AC m/c

Replacement of Flapper for 1 T /1.5 T /2 T window/split type AC m/c

Replacement of Flapper motor/air swing motor for 1 T /1.5 T /2 T window/split type AC m/c

V-Belt Replacement For 7.5 T capacity Ductable type A.C.

Total Duct Cleaning For 7.5 TR capacity Ductable type A.C.

Per point Identification of gas leakage & rectification in Split / Window AC/Ductable/standing A.C of capacity 1 T /1.5 T /2 T /3 T/4T .( Leakage is subject to realisation by testing)

P C JOSEPH ENGINEERING AND CONTRACTOR