NIT-34 BCDH-I Hyd Mbngr Compound Wall

Amount

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 sqm 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

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 up to 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 :

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

1:5:10 (1 cement : 5 coarse sand(zone-III) : 10 graded stone aggregate 40 mm nominal size)

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 : 4 graded stone aggregate 20 mm nominal size)

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 :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).

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. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size)

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

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

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

Columns, Pillars, Piers, Abutments, Posts and Struts.

Edges of slabs and breaks in floors and walls.

Under 10 cm wide

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

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

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 in foundation and plinth in:

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

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 3.5 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)

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

Cement mortar 1:6 (1 cement : 6 coarse sand). The contractor has to arrange the header / bond stones for fixing at intervals as per CPWD specifications. In case of non -availability of header / bond stones of required size the Contrcator has to cast precast RCC blocks in place of header / Bond stones with RCC 1:1.5:3 ( 1Cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) with reinforncement 0f 8mm dia, 4 nos., of required length and stirupps with 8 mm dia reinforcement @ 150 mm C/C.. Nothing extra shall be paid on this account.

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

20 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

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).

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

One or more coats on old work.

18) Refixing of existing Gates by using necessary hold fasts on two ends and fixing it back in cement concrete in RCC columns etc. All complete and as per directions of the Engineer - in - charge.

a) Size 4.80 x 2.80m

b) Size 1.25 x 2.20m