Restoration of hill slope along the road to Power house and Valve House in exposed patches by applying shotcrete etc. at Bairasiul PS

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns.

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) : 4 graded stone aggregate 20 mm nominal size)

Providing weepholes in brick masonry / stone masonry / plain reinforced concrete abutment, wing wall, return wall with 100 mm dia PVC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification clauses 614, 709, 1204.3.7.

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. : All kinds of soil

Providing and fixing of welded wire mesh having a sqare mesh of 100x100 mm size amnufactured with 4mm dia wire on dressed hill slope as reinforcement of shotcrere. Wire mesh shall be firmly stretched between the adequate fastening attachment to the stisfaction of Engineer-In-charge. it shall be ensured that the fabric is drawn close to the excavated surface so that when shotcrete is applied, the mesh neither sag nor vibrate.

Providing and laying 100 mm thick dry shotcrete along the dressed hill slope as per provided mix design using shotcrete machine including curing etc.