Protection of Chachu -Sonai PWD road near Sonai Bazar from the erosion of Sonai River bank under West Chandpur VC of Hezamara Block .. 2024-25/ SH_- Providing and placing of cement concrete block. (L_150 m)

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 disposal of excavated earth, lead upto 50m and lift upto1.5m, disposed earth to be levelled and neatly dressed. -All Kinds of soil

Manufacturing of cement concrete blocks with mix 1:4:8 ( 1 cement : 4 River sand: 8 Jhama brick aggregate of 40 mm nominal Size) in/ c centering & shuttering in block of size 0.45mx 0.45 mx 0.30 m & engraving of SI. No. in each block as per direction of the Engineer- In -Charge.

Placing of sand cement / cement concrete blocks of size 0.45m X 0.45m X 0.30m in slope of river bank and in river bed including preperation of bed or launching apron as per direction of the Engineer - in- Charge. (a) Cement concrete block