05-Renovation and Construction of Middle School Saraidhela Coal Washery CCWO, Block Dhanbad, Dist. Dhanbad

Earth work in excavation in foundation trenches in ordinary soil ( vide classification of soil item A) and disposal of excavated earth as obtained to a distance upto 50M including all lifts leveling ramming the foundation treanches, removing roots of trees, and shrubs all complete as per approved design, building specification and direction of E/I.

Extra for earth work in hard soil as per specification and direction of E/I. (vide classfication of soil item - B)

Providing coarse clean sand in filling in in foundation trenches or in plinth including ramming and watering in layers not exceeding 150mm thick with all leads and lifts including cost of all materials labour, royalty and taxes all complete as per building specification and direction of E/I (Mode of measurement compacted volume)

Providing designation 75A one brick flat soling joints filled with local sand including cost of watering taxes royalty all complete as per building specification and direction of E/I.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

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)

Providing designation 75Bwork in C.M. (1:6) in foundation and plinth with approved quality of clean coarse sand of F.m. 2 to 2.5 including providing 10mm thick mortar joints, cost of screening materials ranking out joints to 15mm depth, curing taxes and royalty all complete as per building specification and direction of E/I.

Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20mm nominal size).

Providing designation 100A brick work with fly ash lime brick (FLAG) confirming to IS 12894-1990 (9" x 4.5" x 3") in C.M. (1:6) in superstructure with approved quality of clean sand of F.M. 2 to 2.5 including providing 10mm thick mortar joints, cost of screening materials, raking out joints to 15mm depth, curing, taxes and royalty all complete as per building specification and direction of E/I.

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).