I figured I'd post these pictures. I got a hold of scrap sheet of heavy duty 2" pultruded FRP (fiberglass reinforced plastic) grating with coarse top coat for the walking surface. I figured I could make sand ladders out of it and it'll double as a bridges too... The final lengths are 13" x 4' and they weigh 24# per set. Perhaps a little heavy, but they are very stiff and durable, and they won't; rust, dry-rot due to UV, crack under cold temps, or deflect due to normal hot temps....oh ya and it was free!!!
The last photo of my wheel on the bridge spanning +3', and there is almost no deflection of the grating. The large sheet made 4 sets...
oh ya and the way the grating is formed I can actaully stack them inside of each other...or atleast down to the cross bars...so teh total depth of both is about 3.25"
The last photo of my wheel on the bridge spanning +3', and there is almost no deflection of the grating. The large sheet made 4 sets...
oh ya and the way the grating is formed I can actaully stack them inside of each other...or atleast down to the cross bars...so teh total depth of both is about 3.25"
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