Construction of Girls Toilet at Govt. Higher Secondary School Sananghat Under Samagara Shiksha (PAB 2022-23)

Earthwork in excavation by mechanical means (Hydraulic excavator) in trenches for foundation, drains, pipes etc. (not exceeding 1.5m in width) and for shafts, wells, cesspits and the like not exceeding 10sqm on Plan, including dressing of sides and ramming of bottoms lift upto 1.5m, including getting out the excavated earth and disposal of surplus excavated earth as directed, within a lead of 50 mtr. a) All kinds of soil.

Providing and laying cement concrete of specified grade including curing but excluding the cost of centering and shuttering. All work upto plinth level with: a) 1:5:10 (1 cement:5 coarse sand:10 graded stone aggregate 40mm nominal size).

Providing and laying cement concrete of specified grade including curing but excluding the cost of centering and shuttering. All work upto plinth level with: a) 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size)

Providing and laying damp-proof Course 50 mm thick with cement concrete 1:2:4 (1 cement:2 coarse sand: 4 graded stone aggregate 20 mm nominal size) and curing complete

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

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

Edges of slabs and breaks in floors and walls under 20cm wide.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. a) Using M.S. angles 40x40x6mm for diagonal braces

Brick work with common burnt clay (non modular) bricks of class designation 7.5 in foundation and plinth including curing in cement mortar 1:6 (1 cement:6 coarse sand).