Construction of 02 nos. of slab culvert with approach on cable belt conveyor near nursery and Main gate at Nalco Mines, Damanjodi

Amount

Surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m. All kinds of soil

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 M2 on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, 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 / manual means in foundation trenches or drains, including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 2km. for Ordinary rock

Excavation work by mechanical means / manual means in foundation trenches or drains, including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 2km. for Hard rock (blasting prohibited)

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-suspended floors including tamping, curing etc. 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.)P.C.C.1:2:4 (1cement: 2coarse sand: 4graded stone aggregate 20 mm nominal size)

Providing and fixing up to floor five level precast cement concrete string or lacing courses, copings, bed plates, anchor blocks, plain window sills, shelves, louvers, steps, stair cases, etc., including hoisting and setting in position with cement mortar 1:3 (1 Cement : 3 coarse sand), cost of required centering complete. 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.)

Centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns

Centering and shuttering including strutting, propping etc. and removal of form work for Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Centering and shuttering including strutting, propping etc. and removal of form work for Columns, Pillars, Piers, Abutments, Posts and Struts

Centering and shuttering including strutting, propping etc. and removal of form work for Suspended floors, roofs, landings, balconies and access platform. with appropriate material as per direction of E-I-C

Providing and fixing tie bolt, spring coil and plastic cone in wall shuttering complete as per the direction of Engineer-in-charge. 20 mm dia.& 225 mm length (All acessaries make one set )

Bending / Binding and placing in position high yield deformed bars reinforcement 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 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/TOR STEEL SHALL BE ISSUED FREE OF COST AT NALCO's STORE)

Providing and fixing sheet covering over expansion joints with iron screws Aluminium fluted strips 3.15 mm thick, 200 mm wide

Design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works upto ground level. (CEMENT SHALL BE ISSUED FREE OF COST AT NALCO's STORE) (Adminsture cost if any, is in scope of agency)

Design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works above ground level. (CEMENT SHALL BE ISSUED FREE OF COST AT NALCO's STORE)(Adminsture cost if any, is in scope of agency)

Random rubble masonary Providing and laying Random rubble masonary with approved hard stone in foundation, plinth, including levelling up ground level with cement motar 1:6 ( 1 cement : 6 coarse sand) including curing all complete as per the direction of Engineer-in-charge. (CEMENT SHALL BE ISSUED FREE OF COST AT NALCO'S STORE).

Random rubble masonry with hard stone in superstructure above ground level and upto floor five level, including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) at window sills, ceiling level and the like.Cement mortar 1:6 (1 cement : 6 coarse sand)(CEMENT SHALL BE ISSUED FREE OF COST AT NALCO'S STORE).

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 (Structural steel WILL BE ISSUED FREE OF COST AT NALCO'S STORE)

Providing and laying 12 mm thick cement plaster in cement mortar 1:6 (1cement: 6 course sand) on the rough sides of single or half brick wall or masonary work using approved type sand including curing etc. all complete for a height up to 10 metres from ground level.( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE)

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) :Raised and cut pointing. ( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE)

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

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

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 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 and stacking within 50 metres lead, fencing posts or struts including all earth work and dismantling of concrete etc. in base of :R.C.C

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.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Extra for compaction of earth work in embankment under optimum moisture conditions to give at least 95% of the maximum dry density (proctor density).

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete

Supplying and stacking at site. 90 mm to 45 mm size stone aggregate (payment will be evaluated on the basis of compacted specified thickness)

Supplying and stacking at site Moorum (payment will be evaluated on the basis of compacted specified thickness)

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness as per direction of E-I-C, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material moorum to fill up interstices of coarse aggregate, watering and compacting to the required density .

Providing & appling Nitobond EP Hardener at junction of old & new face of Concrete as per direction of E-I-C.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc 50 mm dia nominal bore

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

Supply & fixing of high intensity cum photo lumnesent tape of size 150 mm width

S K ENGINEERING WORKS

BHIMASEN PANDA

M/S M H ZAMAN

SAROJA KUMAR SWAIN

M/S B.D.NAYAK

M/s K.C. MUDULI

PRADIP KUMAR PATRO