Construction of Valve pits at existing 5000 Glns GSR 02 Nos at Barta and Gurha under WSS Ritti Barta including making of manifolds fixing of Gate valves under District Capex 2026-27

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil :

Supply of stones

Dumping of stones in horizontol on level

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) 50mm dia

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) 40mm dia

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

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

Centering and shuttering including strutting, propping etc. and removal of form for: Suspended floors, roofs, landings, balconies and access platforms

Edges of slabs and breaks in floors and walls