PROVISION OF TARGET WALL FOR FLIGHT TRAILS AND CERTAIN MISCELLANEOUS MAINTENANCE CIVIL WORKS AT SITE NOAR, KURNOOL

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width aswell as 10 sqm on plan) including getting out and disposal of excavatedearth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

Excavation in ordinary soil

Excavation in soft rock

Excavation in hard rock

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.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:4:8 (1 cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:

1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete.

Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.

All works upto plinth level

Concrete of M25 grade with minimum cement content of 330 kg /cum

All works upto plinth level

Concrete of M25 grade with minimum cement content of 330 kg /cum

SupSteel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Suspended floors, roofs, landings, balconies and access platform,cantilevers

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12m graded stone aggregate 20 mm nominal size) upto plinth level with :

Cement mortar 1:6 (1 cement : 6 coarse sand)

Random rubble masonry with hard stone in superstructure above plinth 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)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

6 mm cement plaster 1:3 (1 cement : 3 fine sand) finished with a floating coat of neat cement and thick coat of Lime wash on top of walls when dry for bearing of R.C.C. slabs and beams.

12 mm cement plaster of mix :

1:6 (1 cement: 6 coarse sand)

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) :

Flush/ Ruled pointing

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

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

Maharashtra Enterprises

NIMMA NARAYAN ENGINEERS & CONTRACTORS

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