EE/PHEandWS/SGL/NIT/2023-24/

Amount

The quantity is inclusive of respective sub-head as described hereafter ;C/o RCC Drop Inlet (Headwork), Pre-Sedimentation Tank, Aerator, Sedimentation tank, Slow Sand Filter Unit, Clear Water Reservior, Paintings of Tanks , Compound wall, Earth Cutting/Site development and Carriage of materials.

Earth work in excavation in all kinds of soil (excluding soil containing 50% or more of shingle or small size boulders upto 30 cm size, saturated soil and rock) including banking in 20 cm layers and breaking clods, ramming and dressing up for the purpose of making embankments or filling up ground depressions, lead upto 50 m and lift upto 1.50 m.

Earth work in excavation in foundation trenches not exceeding 1.50 m or 10 sq.m on plain 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 i/c getting out the excavated soil and disposal ofsurplus excavated soil as directed, within a lead of 50 m.Hard soil -

Earth work in excavation in foundation and trenches etc. in all kinds of soil (excluding soil containing 50% or more of shingle or small size boulders upto 30 cm size, saturated soil and rock), 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 deposited layers, when required, into plinth sides of foundation etc consolidating each layer by ramming and watering and then disposing of all surplus soil as directed within a lead of 50m.

Removing mixed earth or rock slips including clearing the site within a lead of 50 m and upto 1.50 m lift.

Earth work in excavation in saturated soil upto a depth of 61 cm including pumping or bailing out water and disposing of excavated soil, lead upto 50 m and lift upto 1.50 m.

Dry stone pitching 22.50 cm thick including supply of stone and preparing of surface complete .

Providing and laying in foundation and plinth cement concrete 1:3:6(1cement: 3 coarse sand :6 stone aggregates of 20 mm nominal size) excluding the cost of centering and shuttering.

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

Reinforcement cement concrete work in columns, pillars, piers, abutments, post and struts etc up to 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 exluding cost of centring, shuttering and reinforcement. 1 : 1 : 2 (1 cement : 1 coarse sand : 2 stone aggregate 20 mm nominal size).

Reinforced cement concrete work in lintels, beams and bresumers up to 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 centering, shuttering and reinforcement.1 : 2 : 4 (1 cement : 2 coarse sand : 4 stone aggregate 20 mm nominal size).

RCC work in suspended floor roofs, ladding 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 nos. to give a smooth and even surface but surface but excluding cost of centering, shuttering and reinforcement with 1:2:4 ( 1 cement : 2 coarse sand : 4 single aff. 20mm size)

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

Centering and shuttering i/c strutting, propping etc. and removal of formwork

a).Foundation,footings,

b).Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

c). Column, pillars, posts and struts etc.

d). Lintels, beams, girders, bressumers and cantilevers etc.

c ).Suspended floors,roofs,landing shelves and their supports,balconies and Chajja (3.5m height)

12 mm thick cement plaster (1:3).

Neat cement punning.

Reinforcement of RCC work including bending, binding and placing in position complete.

a). Cold twisted bars.

b). Mild steel and medium tensile steel bars.

Applying one coat of cement primer of approved brand and manufacture on wall surface.

Finishing walls with water proofing cement paint of approved brand and manufacture and required shade on new work (three or more coats) to give an even shade.

Making plinth protection 50 mm thick of cement concrete 1 : 3 : 6 (1 cement : 3 coarse sand :6 stone aggregate using 20 mm nominal size) over 75 mm bed of stone ballast 40 mm nominal size well rammed and consolidated and grouted with fine sand including finsihing the top smooth.

Construction of cement concrete drain 15 cm wide and 15 cm deep in cement concrete 1 : 3 : 6 (1 cement : 3 sand : 6 hard graded stone chips or shingle 40 mm and down gauge) 8 cm thick on sides and bottom and plastering and all exposed surfaces with 12 mm thick cement mortar 1 : 3 (1 cement : 3 coarse sand) including shuttering complete.

RRM with hard stone in foundation and plinth in cement morter 1;6 (1 cement:6 fine sand) including leveling upwith cement concrete 1:6:12

1.20 m high fencing with 1.8 m RCC posts of standard design placed every 3 m apart, embedded in cement concrete blocks, corner end and every 10th post to be strutted, provided with 9 horizontal lines and two diagonals of barbed wire 9.38 Kg per 100 m (min) between two posts fitted and fixed with GI staples on wooden plugs tied to 6 mm bar nibs with wire (cost of RCC posts, struts, earth work and concrete to be paid for Separately).Barbed wire

MS Angle iron post

Fabrication, supplying and fixing M.S.gate as per detail as per details drawing of Archited No. ARUN/ARCH/2366 including cutting welding and painting with steel primer of approved quality complete, for at site of work as per direction Engg-incharge.

Brick work with best available local bricks 75 mm thick in cement mortar 1:3 (1 cement : 3 coarse sand).

Carriage of sand, aggregate from quarry to nearest road head by mechanical means Quantity of:- As per T.C.

Carriage of Cement and MS Rod from Naharlagun to nearest road head by mechanical means Quantity of:- As per T.C.

Carriage of cement, MS rod, sand and aggregate from nearest road head to work site by Head load ( Quantity of:- As per T.C.)

Tana Tedi Tara (BID ID -6040)