NIT No. 05/EE/PRI/DP/2020-21

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 upto 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.

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 : 3 pulverized sand (zone-III): 8 graded stone aggregate 40 mm nominal size)

1:3:6 (1 Cement : 3 pulverized sand (zone-III): 6 graded stone aggregate 40 mm nominal size)

1:2:4 (1 cement : 2 pulverized sand (zone-III) : 4 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

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

25 mm thick with 12.5 mm nominal size stone aggregate

Extra for making chequers of approved pattern on cement concrete floors, steps, landing, pavements etc.

Steel 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.

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)

12 mm cement plaster of mix :

1:4 (1 cement: 4 River sand)

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge:

All kinds of soil

INDRAJIT BARMAN

VISHAL GORAI