CONSTRUCTION OF BIOLOGY ROOM, CHEMISTRY ROOM, COMPUTER ROOM, LIBRARY ROOM AND PHYSICS ROOM AT GOVT HIGHER SECONDARY SCHOOL POTOSHYEE.

PART (A) CIVIL PART: Earth work in excavation by mechanical means(hydraulic excavator) in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in with) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting ouf excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 metres: All kinds of soil:

Providing and laying of dry stone soling by way of nallah boulders size on leveL (hand packed) watering, ramming, complete below foundation and rooms incl. carriage of all materials

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering incl. all carriages of material to site of work 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) Crusher.

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

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 40 mm nominal size) incl carriage of material all complete

Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15°, landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto five level including curing but excluding the cost of centring, shuttering, finishing and reinforcement with, All works above plinth level upto v level 1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) Crusher. Incl. all carriage upto site of work.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centering and shuttering. 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) Crusher incl. all carriages of material upto site of work.

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.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level Thermo-Mechanically Treated bars of grade Fe-500D or more. As per directions of Engineer-in-Charge.

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