ESP BREAKDOWN MAINTENANCE WORKS

Amount

Cleaning of complete structure, electrodes, shock bar, rapping mechanism & hoppers from inside of ESP of one field by wire brush, hard broom and old cloth.

Removal of scrap, debris and ash from ESP ash hoppers.

Cleaning & Removal of ash/ dust from support insulator by fine cloth.

Repairing of bent collecting electrodes in ESP chamber in fix position.

Removal of damaged emitting electrode and fixing the new emitting electrode.

Servicing/ Repairing / Replacement of rapping hammer in ESP chamber.

Repairing / Replacement of shock bar by cutting huck bolts, removal from the collecting electrodes and re fixing the same on shock bar after repairing of shock bar its alignment to have equal gap on both sides in ESP chamber.

Repairing/ Re fixing of deflector plates on gas distribution screen.

Repairing of eroded portion by welding in ash hopper, ESP roof and other places inside and outside of the ESP chamber.

Repairing/ Re erection of new ash deflector plate as per size from M.S. plate of appropriate thickness with the help of gas cutting and welding.

Inspection and checking of ESP field and removal of minor defects.

Replacement of asbestos rope of following:-

ESP hopper manhole.

ESP casing manhole.

ESP top manhole.

Changing of damaged support Insulator.

Repairing of support insulator screen pipe inside the ESP chamber.

Alignment of disturbed emitting structure by opening all the cover plates of support structure. Lifting the emitting structure about 50 mm after loosening all the nuts of the structure suspension rod and then restoring the cover plates and loosened nuts after alignment.

Replacement of plane bearing of rapping mechanism

Repairing / Replacement of shock bar guide (front/ rear) and shock bar guide attachment by welding or grinding wherever required.

Repairing / Replacement of pin wheel of emitting electrode rapping mechanism

Fixing of” U” clamp/ “U” guide by welding on collecting electrodes at appropriate places

Servicing / Replacement of vertical shaft bearing of emitting electrodes raping mechanism & alignment of vertical shaft

Re fixing of „U‟ guide / „U‟ clamp by welding on collecting electrode plate

Changing of damaged Shaft Insulator

Cleaning and Removal of ash /dust from shaft Insulator by fine cloth.

Repairing of bracings between ESP inlet gate and GD Screen and rear side of ESP by providing patch at eroded area or changing new piece by bracing pipe as per size.

Replacement/ Repairing of CERM shaft.

Replacement/ Repairing of GDRM shaft.

Replacement/ Repairing of EERM shaft.

Repairing of emitting frame by patch welding.

Fabrication/ Repairing of EERM manhole.

Fabrication/ Repairing of casing manhole of ESP.

Repairing/ Replacement of shock pads.

Replacement of primary/ secondary screen of GDRM.

Repairing/ Re fabrication of support of duct plate at ESP inlet.

Replacement of asbestos rope of ESP shaft insulators cover.

Replacement/re-erection of damaged double gear boxes of motor of EERM.

Replacement/re-erection of damaged double gear boxes of motor of CERM/GDRM.

Repairing of damaged rapping gear box.

Servicing of rapping gear box coupling bearing block.

PART B

Repairing of outer arms-I.

Repairing of outer arms -II.

Repairing of Pin Wheel arrangement –I of ESP.

Repairing of Pin Wheel arrangement –II of ESP.

Repairing/ Reclamation of Grip Coupling of EERM of ESP.

Repairing of Shaft Insulators attachments of EERM.

INDIA ENGINEERING WORKS

M/S SURYA CONSTRUCTION COMPANY

M/S SHALIMAR DECORATOR