Step 9 - Coping
2 pieces of 8 foot 1.5" diameter metal pipe
Use a metal drill bit to drill 3 or 4 holes in each piece of coping, spaced evenly along the 8 feet. Only drill throgh one side of the coping, drill the holes just big enough for a screw head to fit inside. Next drill a smaller hole, just big enough for a screw to fit, on the opposite side of the coping that you driled the larger holes, and continue to screw the coping into the halfpipe.
The coping should now look like this
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