Anti-erosion work along the bank of Khowai river for protection of Kutchpara under Purba Kunjaban GP, Kalyanpur R.D. block of Khowai District...the year 2022-23/SH_- Protection work with cement concrete block (1_4_8) at downstream (Length_500.00 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 upto 1.5m, disposed earth to be levelled and neatly dressed. -All kinds of soil

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5 km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc.complete.

Manufacturing of Cement concrete Block with mix 1:4: 8( 1 Cement : 4 River sand : 8 Jhama brick aggregate of 40 mm nominal size) including centering & shuttering of size 0.45 m X 0.45 m X 0.30 m and engraving the serial number of 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 preparation of bed or launching apron as per direction of the Engineer - in- Charge. i) Cement Concrete Block.

Joining of CC Blocks of size 0.45mx 0.45mx 0.30m with 12 mm thick cement mortar 1:6 (1 cement : 6 river sand ) to make panels as per drawing and direction of Engineer- in- Charge. in slopes of embankments and River banks etc.

Providing & fitting fixing 80 mm dia G.I pipes as weep holes including cutting as per required length etc in the centre portion of each panel of blocks as per direction of Engineer-in-charge.