small grizzly gravel screen project

couple of questions what do your think of this project, YOUR COMMENTS WILL BE GREATLY APPRECIATED.
would like to build a small grizzly screen.
planning on a deck slope of 30 degrees.
will use electric vibrator to shake grizzly bars, like on a dump truck box but vibrator designed to operate continuous.
thinking of the grizzly bars to use, 1 inch round solid bars with 2 or 3 inch spacing between bar edges.
bracing under grizzly bars will be located 18 inch from top of deck then another...

small grizzly gravel screen project

small grizzly gravel screen project