[ShrimpBurrito]

Sure, Keith. The width is 29.5", depth is 13.5", and the sides are 11" tall. The lip on the top of the back end is 1.5" wide.

I had the shop drill holes for the 2 screws to mount the box on the forward end -- 3" from the top and 4" from the sides. I did so before seeing exactly where they would match up on the frame. That almost put me in a bit of a bind because the inside hole I had to drill in the frame to match was very difficult to reach before of the toilet drain pipe. I had to use a right angle drill attachment, and even then, it was at a slight angle.

I just calculated that I used 5 sq ft of steel, and since 11 ga is 5 lbs/ sq ft, that makes the box 25 lbs. I think the steel alone is about $50. The shop charged me $75 for materials and labor.

If I had to do it again, I might do two 45 angles on the rear end instead of the 90 so that the back "wall" is angled. That would help improve clearance a bit. There would also be a negligible reduction in weight.

Dave