Repair and Maintenance of Drainage System at Urban towns of Upper Subansiri

Amount

Drain Type A (For 300 meter)

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.

Providing and laying cement concrete 1 : 3 : 6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) excluding the cost of centring and shuttering in : a) Foundations and plinth

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : b) 1 : 1.5 : 3(1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc and removal of form work for: a) Walls

Reinforcement of RCC work including bending, binding and placing in position complete. a) Mild steel.

12 mm cement plaster 1:4 (1 cement : 4 fine sand).

Neat cement punning

Add for carriage

Drain Type B (For 252 Meter)

Earth work in excavation in foundation trenches not exceeding 1.50 m width or 10 Sq.m. on plan or drains not exceeding 1.50 m in width or 10 Sq.m. on plan including dressing of sides and ramming of bottoms, lift upto 1.50 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. (c) Hard Shale and or Dhunda Soil

Providing and laying cement concrete 1 : 3 : 6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) excluding the cost of centring an shuttering in: a) Foundations and plinth

Providing and laying cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in : a) Foundations and plinth

Centring and shuttering including strutting, propping etc and removal of form work for : b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

Carriage of Materials

M/s D D Y Eenterprises