Wa. rules dictate 3' sqft. of riffled area outside the work windows and 10' sqft. within the work window (work window = Dredging allowed)
I have settled on this basic design drop riffle design with 2.5sqft of 1/2" riffles area below a 4' of slick plate.
While building this template negative I decided to make it into 2 pieces for easy transport. Simple as adding a flange to the riffle side to connect the 2 halves.
I am going to add a screen (12" x 10") and upper deck over the riffle area using more fiberglass 42" x 10". The screen is going to be a 1/8-1/4" wire freezer rack /1/2" to 3/4" spacing. A wire screen.
The spacing between the riffle deck and discard plate above it is not set yet. Mainly because I'm not sure how far it should be apart. An ideas here would be nice.
I'm in the tedious process of applying wax as the release agent for the fiberglass. Since this will be my first attempt at a mold like this I will be doing a test run to make sure it releases correctly.
Once this section is completed I plan to add more riffles to the slick plate and make one long riffle area for in season work windows. All in due time, I'm slow and completing project with life moving around me.
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