Construction of Chemistry Lab, Biology Lab, Physics Lab and Library Room at Higher Secondary School Dragger

CIVIL WORKS

Earth work in bulk excavation by mechanical means (hydraulic excavator) 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 meters and lift upto 1.5 m, as directed by Engineer-in-Charge.All kinds of soil :

Earth work in bulk excavation by 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 meters and lift upto 1.5 m, as directed by Engineer-in-Charge.All kinds of soil :

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

Providing and laying of GSB using nallah material for filling , including dressing of surface to required levels and grades. The work includes collection, carriage, and stacking of Nallah GSB from approved sources, spreading in layers not exceeding 225 mm in loose thickness, watering, and compacting with vibratory roller or any suitable means to achieve required compaction and level. The finished surface shall be firm and properly set for further construction activities. The rate includes mechanical lead upto 15km and head load upto 50mtrs. complete work in all respects as per the directions of the Engineer-in-Charge.

P/L of stone soling incl. ramming,hand packing and all carriages, complete job in ,trenches,foundation etc.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) Mud mat

Providing and laying in position specified grade of reinforced cement concrete including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 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 including curing but excluding the cost of centering, shuttering, finishing and reinforcement. All works upto plinth level 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)