Enabling Civil Structural and Piping Works for rerouting of Ash Disposal Line 4 And Dry Fly Ash Lines for 5th Stream Expansion at Alumina Refinery

Amount

Earthwork in excavation in all types of soil including sand & silty sand, moorum (hard, compacted or soft), broken rock, boulders, quartz etc and fill materials or any other debris etc. at depths as specified below in foundations of structures and equipment, pipe trenches, tunnels, sewerlines, drains, upto 3 m depth below finished ground level

Backfilling in all positions and heights and descents in foundations, pits, pipe trenches, tunnels, sewer lines, around foundations and structures, in plinth etc

Dismantling of erected pipework, valves, pipe supporting structural work including cutting, removing, transporting and storage i.e. stacking as per size/type wise, of the materials at the purchaser/ consultant specified area, i.e. all work required from dismantling upto storage.

DN 250 MM OD 273 MM

DN 200 MM OD 219.1 MM

Supplying, Fabrication, Erection of 10''/8" MS ERW Pipes along with applicable Bend, "Y" Piece Sleeve coupling with Gasket, Slip on raised face Flanges with bolts, nuts and gaskets, including labour charges, tools, tackles, along with consumables for cutting welding of pipes with plant & equipments with supervisions etc.,

10'' MS ERW BEVEL ENDED PIPE, AS PER IS 3589. SIZE : 10 INCH, OUTER DIA-273 MM, WALL THICKNESS-9.53 MM, GRADE FE 410 along with (1)SEAMLESS ALLOY CAST IRON 90 DEG BEND and 45 DEG BEND AS PER DRAWING NO. NALCO/MECH/SPP/5665 REV-0 SL NO:-2, TYPE-1. MOC:-AS PER DRAWING. HARDNESS: 400 BHN (MIN). ENDS:-PLAIN ENDS SUITABLE FOR FITMENT WITH PIPE SLEEVE COUPLING. DESIGN PRESSURE-17.5 KG/CM2, (2) CAST IRON SLEEVE COUPLING SUITABLE FOR PIPE OD 273 MM ON BOTH ENDS AS PER DRAWING NO:-NALCO/MECH/SPP/4874 REV-0. MOC:-AS PER DRAWING. DESIGN PRESSURE-17.5 KG/CM2. MAX TEMP.-50'C WITH SUITABLE GASKET, (3) SLIP ON RAISED FACE FLANGES TO ANSI B16.5 CLASS 150 FORGED STEEL TO ASTM A105 BEVELLED ENDS WITH BOLTS, NUTS AND GASKETS.

8'' MS ERW BEVEL ENDED PIPE, AS PER IS 3589. SIZE : 8 INCH, OUTER DIA-219.1 MM, WALL THICKNESS-9.53 MM, GRADE FE 410 (1)SEAMLESS ALLOY CAST IRON 90 DEG BEND AS PER DRAWING NO. NALCO/MECH/SPP/5665 REV-0 SL NO:-1, TYPE-1. MOC:-AS PER DRAWING. HARDNESS: 400 BHN (MIN). ENDS:-PLAIN ENDS SUITABLE FOR FITMENT WITH 200NB PIPE SLEEVE COUPLING. DESIGN PRESSURE-4.5 KG/CM2, (2) "Y" PIECE ALLOY CAST IRON AS PER SL NO.:-1 IN DRAWING NO:-NALCO/MECH/SPP/5664 REV 0. MOC:-AS PER DRAWING. HARDNESS: 400 BHN(MIN). ENDS:-PLAIN ENDS, SUITABLE FOR FITMENT WITH PIPE SLEEVE COUPLING. DESIGN PRESSURE-4.0 KG/CM2, (3)CAST IRON SLEEVE COUPLING AS PER DRAWING NO:-NALCO/MECH/SPP/5050 (REV-4) SUITABLE FOR PIPE OD 219.1 MM ON ONE END AND OD 222 MM ON OTHER END. MOC:-AS PER DRAWING. DESIGN PRESSURE:-9.0 KG/CM2 AND TEMP 200'C WITH SUITABLE GASKET. (4) SLIP ON RAISED FACE FLANGES TO ANSI B16.5 CLASS 150 FORGED STEEL TO ASTM A105 BEVELLED ENDS WITH BOLTS, NUTS AND GASKETS.

Dismantling steel structures like angles,tees flats and staircases and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc.. Including dismeembering and stacking within plant premises as per directions of Engineer-in-charge.

Supplying, structural steel materials, loading, transporting, unloading, fabricating, erecting and fixing in position at all heights and depths above and below finished ground level welded/bolted structural steel work as specified for all members such as Angles, Channels, Joists/Beams, Plates, Flats, Tubes, Clamps, ties, struts, diaphragms and all other miscellaneous structural steel work etc., as specified and as shown on drawings and/or as directed by the Engineer/Consultant.

Demolishing RCC work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable within plant premises as per direction of Engineer -in-charge

BRAJA KISHORE DAS

M/s D.K JENA

PRADIP KUMAR PATRO

M/S AMULYA CONSTRUCTION

M/S J B ENTERPRISES