Construction of infrastructure for air compressor and receiver tank at South Block of NALCO Mines, Damanjodi

Amount

Transporting the Fly Ash Bricks, including loading, unloading, etc., from Alumina Refinery to Mines up to the lead of 20.00 km, all complete as per the direction of Engg-in-charge

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains , including dressing of sides and ramming of bottoms, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. , All kinds of soil.

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains , including dressing of sides and ramming of bottoms, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Hard rock Excavation (blasting prohibited)

Providing and laying plain cement concrete at all depths below and up to ground level in foundations,fillings,non-suspended floors including tamping, curing etc. but excluding the cost of centering and shuttering etc. as specified or directed in any shape, position, thickness and finishing the top surface rough or smooth etc. all complete.(CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.) , 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying plain cement concrete at all depths below and up to ground level in foundations,fillings,non-suspended floors including tamping, curing etc. but excluding the cost of centering and shuttering etc. as specified or directed in any shape, position, thickness and finishing the top surface rough or smooth etc. all complete 1:4:8 P.C.C. (1 cement : 4 course sand : 8 graded stone aggregate 40 mm nominal size) (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work :( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE)., Same as above item in 1:1.5:3 (1cement: 1.5coarse sand: 3graded stone aggregate of 20mm & dn size)

Centering and shuttering including strutting, propping etc. and removal of form work for foundations, footings, columns, suspended floors, roofs, landings, shelves, lintels, beams, chajjas, girders, bressumers, cantilevers, pillars, posts, struts and stair cases and all types of RCC work at all heights in any floor as directed by Engineer-in-Charge. , Work in foundation and footing upto ground level in all shape and sizes.

Bending/binding Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.(REINFORCEMENT STEEL/TOR STEEL SHALL BE ISSUED FREE OF COST AT NALCO's STORE) , Hot rolled deformed bars

Brick work with clay flyash F.P.S. (non modular) brick of class designation 7.5 in superstructure upto plinth level up to floor five level in : Cement mortar 1:6 (1 cement : 6 coarse sand) (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.) & FLY ASH BRICK WILL BE ISSUED FROM FLY ASH BRICK PLANT AT ALUMINA REFINERY) .

Brick work with clay flyash F.P.S. (non modular) brick of class designation 7.5 in superstructure above plinth level up to floor five level in : Cement mortar 1:6 (1 cement : 6 coarse sand) (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.) & FLY ASH BRICK WILL BE ISSUED FROM FLY ASH BRICK PLANT AT ALUMINA REFINERY) .

Random rubble masonry with hard stone in foundation and plinth including levelling up with upto plinth level with : ( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE). , Cement mortar 1:6 (1 cement : 6 coarse sand)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. (All structural steel material should be issued by NALCO in free of cost)

52 mm thick cement concrete flooring with concrete hardener topping, under layer 40 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and top layer 12 mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate 6 mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturer’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete. ( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE )

Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with J or L hooks, bolts/power driven rivets and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpetwashers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheetscomplete (up to any pitch in horizontal/ vertical or curved surfaces),excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. (CGI SHEET/ AND PGI SHEET SHALL BE ISSUED FREE OF COST FROM NALCO'S STORE)

Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated 'J' or 'L' hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified. 2mm thick corrugated (2.5" or 4.2" or 6") or step-down (2" or 3" or 6" ) as specified

Providing and laying 12mm thick cement plaster in cement mortar 1:6 (1cement: 6sand) on the rough sides of single or half brick wall or masonary work using approved type sand including curing etc. all complete for all heights.( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE )

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement : 5 coarse sand) finished with a top layer 6 mm thick cement plaster 1:6 (1 cement : 6 fine sand). ( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE )

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete

Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer's specification. Two or more coats on new work

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :Water thinnable cement primer

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade : New work (Two or more coats applied @ 1.43 ltr/ 10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/ 10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : , Two coats on new work

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

M/S SOBHA BISOI

ANANTA BAGH

M/S RAHUL CONSTRUCTION

BHIMASEN PANDA

PREM PATRA TURUK

R AND B CONSTRUCTION

S K ENGINEERING WORKS

M/s P.K.RAY

M/S VISAKHA CONSTRUCTION

M/S. BATAKRISHNA SAHOO

M/S B.D.NAYAK

P C GOUDA