MTPS I CHP I Primary Crusher Repositioning of the dislocated hopper of PCR A by loading lifting using special jack arrangement and supporting properly

Amount

Removal of primary crusher side cover plates and skirt boards for attending the foundation works.

Inspection of the wornout bedframe of primary crusher discharge hopper, taking measurements, cutting and removal of the wornout bed frame from all the four sides of the hopper (i.e., Feed end side, Discharge end side, gearbox side and walkway side)

Inspection of the hopper foundation and removal of wornout foundation bolts by breaking the concrete foundation using portable concrete breakers.

Fabrication of new bed frame by using 16 mm M.S plates with required stiffeners and fabrication of flanges for seating of side cover & skirt boards for all four sides by marking, cutting, edge preparation and welding for the required dimensions.

Marking and drilling the holes for bed bolt provision in the newly fabricated hopper bed frame

Machining of new foundation bed bolts of size M24 required for foundation bed frames for all the four sides (including material charges, foundation bolt material : EN.8)

Grouting the newly fabricated bed bolts in its positions at all the four sides of foundation and filling the special concrete compound of GP2 Cement and nito bond. (foundation Bolt size M24)

Erection of new bed frame over the foundation with proper alignments after curing of bed bolt grouting concrete by loading, leading, lifting and positioning the new bed frame over the foundation.

Providing Scaffolding arrangements for inside of the hopper at all the four sides for cutting & removal of existing worn out / damaged top portion of the primary crusher discharge hopper.

Providing Scaffolding arrangements at the outside of the discharge hopper for all the four sides from conveyor 8A1 tail end floor level and upto hopper top portion for cutting& removal of existing worn-out / damaged top portion mother plates of the primary crusher discharge hopper.

Cutting and removal of the existing wornout / damaged hopper top portion area which fixes with the bed frame on the foundation, leading, lifting and unloading the damaged top portions of the hopper segments to outside of the PCR house.

Fabrication and erection of new hopper top portion segments by marking, cutting, edge preparation & welding using MS mother plate and SS liner plates at all the four sides of the hopper. (materials by board scope).M.S & S.S plates.

Cutting and removal of temporary supports from conveyor 8A1 tail end floor up to hopper top portion for lifting the dislocated hopper to its position.

Lifting and positioning the hopper using required capacity hydraulic jacks and top side using chain blocks and arresting in correct position with bed frame at all the four sides.

Marking and drilling the bedframe holes of size M20 on the mother plate and liner plates at top of the discharge hopper erected portion.

Providing new bed bolts for connecting the discharge hopper with the new bed frame and tightening for arresting the hopper with bed frame. (Required Bolts and Nuts under Contractor scope)

Fabrication and erection of new permanent Hopper at the bottom portion.

Assembling of PCR side cover plates and skirt boards and top dust extraction cone.

Charges for supply of discharge hopper liner plate 10mm thickness SS (Gr.304).

Consolidated charges for material & Hire Charges for T&Ps for Item Sl. No. 1 to 18(Annexure furnished in Specification)

LENIN ENGINEERING WORKS

BHARATH ENGINEERING WORKS