(1) Construction of RCC Retaining Wall at opposite St. Thomas Boys Hostel Dam Site, Naharlagun, (2) Construction of RCC Drain at Power House Colony Naharlagun, (3) Construction of RCC Drain with cover slab at G Extension Naharlagun and (4) Cons

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 in foundations and plinth cement concrete 1 : 3 : 6 (1cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering.

Centring and shuttering including strutting proping etc. and removal of form work for: a) Footing in foundation

b) For walls

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size)

Reinforced cement concrete in walls (any thickness) including attached pillasters, buttresses, plinth and string course, fillets etc from top of foundation up to floor two level including finishing and plastering the exposed surfaces with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size)

Reinforced cement concrete in suspended floors, roofs, landings and balconies upto floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring and shuttering and reinforcement with M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size)

Reinforcement of RCC work including bending, binding and placing in position complete. b) Tar/TMT stee

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