Construction of Science lab at Lower High School Dashnan

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) 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 out excavated earth and disposal of surplus cavated earth as directed: All kinds of soil : 1 meter from cutting edge

CEMENT CONCRETE (CAST-IN-SITU) 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)

CEMENT CONCRETE (CAST-IN-SITU) 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: 1:1½:3 (1 cement :1½ coarse sand: 3 graded stone aggregate 20 mm nominal size)

Random Rubble masonry with hard stone in foundation and plinth including leveling up with cement concrete 1:6:12 (1 Cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) upto plinth level and curing complete with: Cement mortar 1:6 (1 Cement : 6 coarse sand) Nallah.

Providing and laying cement concrete in etaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts,struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchors blocks, plain window sills, fillets etcupto floor V level, including curing but excluding the cost of centring, shuttering and finishing with 1:1½:3 (1 cement :1½ coarse sand: 3 graded stone aggregate 20 mm nominal size)

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

Extra for brick work with common burnt clay bricks/cement concrete bricks in superstructure above plinth level upto floor five level.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Cold twisted bars

Centering and shuttering including strutting, propping etc. and removal of form work for: 4.6.1 Foundations, footings, bases for columns.

Centering and shuttering including strutting, propping etc. and removal of form for: Lintel, beams, plinth beams, girders, bressumers and cantilevers.