A USBR$-$type energy dissipator will be constructed downstream of a free overfall spillway with a crest length of $4m.$ The Design discharge is $14\mathrm{.}4\frac{m^3}{sec},$ and the jump height is $1\mathrm{.}98m.$

a$)$ Select the appropriate type of stilling basin.

b$)$ Find the dimensions of the stilling basin.

c$)$ Find the position of the Baffle blocks $($if any$)$

d$)$ Find the spacing and dimensions of blocks and end sill

e$)$ Find the number of blocks

f$)$ Find the spaces and width of blocks after the correction.

g$)$ Draw a sectional side view to illustrate all concluded dimensions.

Good Luck