School Academic Block GHSS NARI Lower Siang District

Earth work in excavation in foundation and trenches in soils containing 50% or more of shingle or small size boulders upto 30 cm size, lift upto 1.50 m and stacking the excavated soil not more than 3 m clear from the edge of the excavation and returning the stacked soil in 15 cm layers when required, into plinth, sides of foundation etc consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated soil as directed within a lead of 50m.

Re-filling excavated earth in foundations and plinth etc. in 15 cm layer including ramming and watering etc. complete.

Filling in plinth with sand under floors including watering, ramming, consoledating and dressing complete.

Providing and laying in foundations and plinth cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering.

Providing and laying cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) excluding the cost of centring and shuttering in : b) Walls including attached buttresses, pilasters and their caps and bases and string courses etc. up to floor two level.

Centring and shuttering including strutting proping etc. and removal of form work for: a) Walls including attached buttresses, pilasters etc. b) Wall any (thickness)

c) Lintels,beams,post and struts etc.

d) Columns,Pillars,Posts and struts etc