EE/BSNL/CD/SNR/31/2025-26

Sub-Head : Earth Work

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Sub-Head : Concrete Work

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position plum concrete with hard stone boulders in retaining walls etc up to all height and level, in required size and shape etc. with cement concrete of mix 1:4:8 (1 Cement : 4 Coarse sand : 8 Graded stone aggregate 40 mm nominal size) using 15 % hard stone boulders of size 150 mm to 300 mm, excluding cost of centring and shuttering all complete as per the direction of Engineer-in-charge.

Centering and shuttering including strutting, propping etc. and removal of form work for :

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc..

Sub-Head : Steel Work

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Sub-Head : Miscellaneous

Providing and laying of boulder apron laid in wire crate with 4mm Dia G.I. Wire conforming to IS:280 and IS:4826 in 100mmx100mm mesh (woven diagonally) including 10% extra for laps and joints laid with stone boulders weighing not less than 25 kg. each as per drawing and technical specification clause 1301.

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