Maintenance of Coal chute, Primary crusher spider cone, misc. steel structure and other allied works

Amount

Work of repairing of spider cone of primary crusher of CHP

Material re-building and maintenance work at cone flange junction of feed end spider of Primary Crusher.

Repairing of feed end spider cone by replacing worn-out liner of inner surface of spider cone of Primary Crusher

Maintenance of the deck Sheet, Bunker gratings and misc steel structure fabrication, erection and strengthening

Removal of old/ damaged deck sheets and erection of New/ recovered deck sheets on the technological structure of conveyor after its fabrication from MS Sheets/ Plates as per scope of work.

Fabrication of new panel grating for bunker and erection at 37 meter bunker bay after proper dismantling of damaged bunker grating.

Fabrication and Erection of various sections of structure by structural steel such as angle, beam, Chanel and plates in following categories

Light Section: All section of steel up to 65mm width and plate up to 3.15mm

Medium and Heavy section: All section of steel beyond 65mm width and plate above 3.15mm

Recovery of steel from scrap steel/ dismantling of steel from any structure and making its usable

Repairing of bunker grating by cutting, straightening and welding

Strengthening of Various structures and Post by welding steel plate on back of structure.

Fabrication and erection of take up post for various conveyors.

Fabrication of Deflector plate and breaker plate of Primary Crusher and Secondary Crusher respectively

Fabrication of Deflector plate for Primary Crusher

Fabrication of Breaker plate for Secondary Crusher

Maintenance of Coal Chutes & other allied works

Patching of holes in Chute Upto 200 mm

Patching of holes in Chute Upto 200-500 mm

Replacement of the liner plates of different sizes and shapes in the Chute.

Replacement of the Mother plates of different sizes and shapes in the Chute

Fabrication and erection of ribs in the Chute/ on the flap gates.

Fabrication erection of the strong walling of different size and shape in the Chute.

Fabrication and fitting of the inspection door with locking arrangement on the Chutes / hood of chutes.

Fabrication & fitting of hinged / fixed coal centering plate with jacking bolt arrangement in the chutes of conveyor / equipment.

Repairing of strong walling of the deferent sizes & shapes in chutes.

Repairing of coal centering plates of the chutes

Replacement / Repairing of ribs of different size and shapes on the chutes of the flap gates.

Tightening of CSK bolt of liner plate etc. & flange bolts and nuts of different chutes.

Fixing of CSK bolt & nuts of liner flange bolts and nuts of chutes.

Replacement of the damaged asbestos sealing ropes from the deferent flanges of chutes and from other parts of chute

Replacement & re-fixing of the holding bolts of the chutes vibrators including positioning of the chutes

Fabrication of new box duct of skirt board and its erection in place of damaged portion by way of cutting and welding

Fabrication of chutes panels and its erection in place of damaged portion of chutes after removal of damaged portion by cutting and welding at different transfer point.

Replacement of liner plates of different size & shapes on the flap gates.

Replacement of mother plates of different size and shapes on the flap gates.

Replacement of damaged / defective key of the flap gate with shaft / counter weights with shaft / actuator lever with shaft.

Rectification of the inside defects of the flap gate/ chute for the free movement on the flap gate.

Providing of sealing of angle iron / plates / channel with stiffeners above the resting position of the flap gate in the chutes.

Repositioning of flap gates and actuator assembly for proper closing/ opening of flap gate

Repairing of the rack pinion gate plate.

Replacement of the rack pinion gate plate.

Replacement of the side supporting rollers of rack pinion gate

Fabrication & erection of sealing rubber of rack pinion gate

Replacement of damaged sealing rubber of rack pinion gate.

Repairing / Replacement of the damaged deck plate of conveyor by cutting / welding etc.

Replacement of the worn out damaged liner of deck of vibro feeders.

Repositioning of dislocated chutes.

Removal of plate / foreign material from the chute by cutting to clear the passage of coal in chute.

Repairing / Repositioning of dislocated / distorted liner mother plate of the chute skirt board

Dismantling, Fabrication and Erection of Rails inside the head chute of conveyor 1A & 1B at TP-1

M/s Krishna Engineering Works

M/S L P CONSTRUCTION COMPANY

TRIGARD CONSTRUCTION