Once a contractor has been burned once by needing to replace a few hundred ramps from a season's worth of work, they start to take the detailed drawings seriously. Obviously we have to take the intersection curbs to that level as well.Īnd Contractors actually do build to those standards. We have to show spots at every ramp and landing corner, and slope arrows between the spots for some City permits. We end up often making 1"=5' scale drawings of ramps and landings to satisfy permit requirements, and to let the contractors feel confident they won't be asked to replace them at their expense. In our area there are now organized crews of volunteers taking 2' smart levels at 16 points on every sidewalk ramp and landing, then going to the cities and regularly suing them if any of their 16 measurements exceed the ADA limits by 0.1%. Sometimes there's way too much that can happen between the 1' lines. ![]() ![]() Hey don't knock the 0.1' contours untill you've tried them.
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