Construction of building at the Upgraded Middle School (Boys), Deori, in Deori Block

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 earthwork in hard soil as per specification and direction of E/I. ( vide classification of soil item-B)

Filling in foundation trenches and plinth in layers. Not exceeding 150 mm thick well watered, rammed fully compacted and fine dressed with earth obtained after cutting within a lead of 50 M and lift of 1.5 M all complete as per building specification and direction of E/I (Mode of measurement compacted volume)

Providing coarse clean Sand filling in foundat. ion trenches or in plinth including ramming and waterind in layers not exceeding 150mm. Thick with all leads including cost of materials, labour, royalty and taxes all complete as per building specification and direction of E/I

Providing designation 75 B Brick flat soling joints with local sand including cost of water- ing taxes and royalty all complete as per building specification and direection of E/I

Providing P.C.C (M-150) (1:2:4) in foundation with approved quality of stone Metal of grade !!! (53mm.to 22.4mm.Size) clean coarse sand of F.M. 2.5 to 3.00 inculuding screening ,shuttering, mixing cement concrete in mixer and placing in position vibrating, striking, curing ,taxes and royalty all complete as per building specification and direction of E/I

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)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mmnominal size)

Providing designation 75B brick work 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 raking out joints to 15mm depth , curring , taxes and royalty all complete as per builiding 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).