CONSTRUCTION OF 6 CLASSROOM BUILDING AT SCHEDULED TRIBE RESIDENTIAL MIDDLE SCHOOL PISKA ORMANJHI RANCHI JHARKHAND

Earthwork 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 50 M. including all lifts, levelling, ramming the foudation trenches, removing roots of trees, shrubs all complete as per approved design, building specification and direction of E/l.

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

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

Earth 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/l (Mode of measurement compacted volume).

Providing coarse clean sand in filling 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/l (Mode of measurement complacted volume).

Providing designation 75 A 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/l.

Providing and laying in position cement of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 cement : 3 coarse sand (zone-lll) :6 gradde stone aggregate 40 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 plinth level. 1:1.5.3 (1 cement :1.5 coarse sand (zone-lll): 3 graded stone aggregate 20mmnominal size)

Providing designation 75 A 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, curing, taxes and royalty all complete as per building specification and direction of E/l.

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