Construction of Sump, Pump house and Allied Civil works for Installation of Automatic Sprinkler system at C and N Block, Nalco Mines Damanjodi

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 M2 on plan) cluding disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. , All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 M2 on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed., Ordinary rock

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 M2 on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed., Hard rock (blasting prohibited)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Filling of sand under floors in trenches sides of foundations etc. including supply of sand and watering, ramming, consolidating and dressing etc. all complete as directed by Engineer-in- Charge.

Providing and laying plain cement concrete at all depths below and upto ground level in foundations,fillings,non-uspended 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. , 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) (Cement shall be issued free of cost from Nalco's store)

Providing and laying plain cement concrete at all depths below and upto ground level in foundations,fillings,non-uspended 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. , 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) (Cement shall be issued free of cost from 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 up to plinth level , Same as above item in 1:1.5:3 (1cement: 1.5coarse sand: 3graded stone aggregate of 20mm & dn size) (Cement & Reinforcement steel shall be issued free of cost from Nalco's store)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : , 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) (Cement & Reinforcement steel shall be issued free of cost from Nalco's store)

Centring 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.

Centring 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 above ground level up to all depths, shapes and sizes.

Bending/Binding and placing in position high yield deformed bars reinforcement conforming to IS:1139 or cold twisted deformed bars reinforcement conforming IS:1786 for R.C.C.work at all height and depths,carting the same from store/issue points to site of work, straightening, cleaning, bending to required shape and lengths as per details including supplying and binding with contractor's own 16 SWG soft annealed binding wire and placing with proper cover blocks, supports, chairs, spacers and return of unused/ scrap/ unserviceable steel to owner's storage point etc all complete. (Reinforcement steel shall be issued free of cost from Nalco's store)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :, Cement mortar 1:6 (1 cement : 6 coarse sand) (Cement shall be issued free of cost from Nalco's store)( Fly Ash will be issued free of cost from Alumina refinary)

Providing and laying Random rubble masonry with approved hard stone in drains, foundation, plinth, walls below ground, culverts, retaining wall in all size and height with cement mortar 1:6 (1 cement: 6 coarse sand) including curing, cost of the stone, royalty etc. all complete as per the direction of Engineer-in-Charge. (Cement shall be issued free of cost from Nalco's store)

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete., Fixed to steel windows by welding or inserted to the walls

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. (Required Structural Steel shall be issued free of cost from Nalco's Store)

Providing and fixing 1mm thick M.S. sheet door/windows with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer., Using M.S. angels 40x40x6 mm for diagonal braces

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows, all complete with :, 4.0 mm thick glass panes

62 mm thick cement concrete flooring with concrete hardener topping, under layer 50 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and top layer 12mm thick cement hardener consisting of mix 1:2 (1 cement hardener mix : 2 graded stone aggregate, 6mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 KG of cement or as per manufacture’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete. (Cement shall be issued free of cost from Nalco's store)

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per M2 as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto 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.

Providing and laying 15mm 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 shall be issued free of cost from Nalco's store)

Providing and laying 6mm thick cement plaster to ceiling of nominal mix 1:3 (1 cement: 3 sand) using approved Nowra- ngpur or Boriguma river sand including screening, necessary curing etc, all complete (at any height). (Cement shall be issued free of cost from Nalco's store)

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 M2 over and including priming coat of exterior primer applied @ 2.20 KG/ 10 M2)

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

Providing and applying whitewash with lime of approved quality to give an even shade after cleaning and smoothening the surface thoroughly etc. all complete and cleaning properly the area of spilled lime etc. to the satisfaction of Engineer-in-charge including removal of nails from wall, cleaning / scrapping of distempered / synthetic enameled surface from wall. , Two coats of lime wash on both old and new works.

Providing and fixing wind ties of 40x 6 mm flat iron section.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4 mm

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : In cement mortar

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : Of area 3 sq. metres and below

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50metres lead.

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of : G.S. Sheet

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 initiallead, for all leads including all lifts involved.

Transportation of Fly Ash brick, includingloading,unloading etc. from alumina refinary to mines up to lead of 2.00 km, all complete as per the direction of Engg-in-charge.

M/s K.C. MUDULI

M/s Sri Jagannath Construction

M/S M H ZAMAN

PRADIP KUMAR PATRO

M/S Akhandalamani Transport

M/S. BATAKRISHNA SAHOO

M/S RAHUL CONSTRUCTION

M/S B.D.NAYAK

M/S SOBHA BISOI

BASANT KUMAR SAMAL

S K ENGINEERING WORKS