Routine Maintenance of Main Boiler Unit 4,5 2X500 MW BTPS Anpara

Amount

Preventive maintenance work of Scanner/TV cooling fans,Oil/Coal burner, Igniter guide pipes, BCP inlet/outlet valve and other associated equipment, keeping watch on abnormal sound of boiler first pass, second pass of pressure parts, attending coal dust leakage from Mill outlet Elbow to fuel inlet Elbow by applying sodium silicate & asbestos powder round the clock of boiler unit No. 4&5 of 2x500 MW, BTPS, Anpara. Transportation of consumable such as sodium silicate & asbestos powder etc. from central stores/site store up to work site and their proper stacking shall be maintained.

Preventive maintenance of all Flushing apparatus of economizer ash pan system, removal of chocking, their regular cleaning and disposal of ash in three shifts (each of 08 hrs.)

Removal of choking of interconnecting Ash/ slurry pipe from Ash Pan to central disposal pipe of Eco. Hopper Ash disposal system.

Servicing/ replacement of Plate Valve of Eco. Ash pan System.

Repairing of eroded section of Eco. Ash Pan System/ pipe line by removal of worn out portion and providing patch of 6-10 mm thick M.S. Plate.

Servicing of Butter Fly Valve/ Flushing water nozzles of Eco. Ash pan System.

Removal, disposal and cleaning of Ash/ Slurry, foreign materials accumulated due to overflow of Eco. Ash Disposal System from the Top of the Hot Secondary Interconnecting Duct of Boiler and cleaning the area by compressed air.

Removal, disposal and cleaning of Ash/ Slurry, foreign materials accumulated due to overflow of Eco. Ash Disposal System from the Complete Platform at Economizer Ash Hopper Area of Boiler and cleaning the area by compressed air.

Removal, disposal and cleaning of Ash/ Slurry, foreign materials accumulated due to overflow of Eco. Ash Disposal System from the Complete Platform below Economizer Ash Hopper. Area/ Duct across Guide bearing area of Sec. APH - A & B of Boiler and cleaning the area by compressed air.

System line up for filling of Feed water through Boiler Feed Pump for Hydraulic Test of Boiler, normalization of the same after Hydraulic Test and making the System ready for Boiler Light up.

Replacement of Ash Disposal drain line of Dia. 200-320 mm of Economizer Ash disposal system by cutting & removal of damaged pipes and fitting and Welding of repaired /new pipes by suitable welding electrode.

Operation and running maintenance of flue conditioning system of ESP.

Break Down maintenance of Flue Gas Conditioning system by Attending leakage of welding Joint up to 25 NB

Break Down maintenance of Flue Gas Conditioning system by Attending leakage of welding Joint 26 to 40 NB

Break Down maintenance of Flue Gas Conditioning system by Attending leakage of welding Joint 40 to 100 NB

Break Down maintenance of Flue Gas Conditioning system by Replacement of Needle Valve of 15 mm

Break Down maintenance of Flue Gas Conditioning system by Servicing/ replacement of Valve of 15 to 40 mm

Break Down maintenance of Flue Gas Conditioning system by Servicing/ replacement of Valve/NRV of 40 to 100 mm

Break Down maintenance of Flue Gas Conditioning system by Cleaning/replacement and refixing of Nozzle Fitting

Break Down maintenance of Flue Gas Conditioning system by Replacement of Seal Plate

Break Down maintenance of Flue Gas Conditioning system by Replacement of Bend & 'T'

Complete replacement of old & used economizer ash pan assembly by repaired/new assembly.

Fabrication of economizer ash pan body, liners and bends as required at site for complete assembly of ash pan system.

Fabrication, Erection, commissioning and alignment of one no. chute "0" meter to "70" meter of Boiler unit no.4, 2x500 MW, BTPS, Anpara.

SHAKSHI ENGINEERING CO.