Pulleys for the diving harness should be installed at the same elevation, and equidistant from the springboard plummet.
For each harness a single pulley and a double pulley are to be installed. In some cases, a second double pulley will be required.
The double pulley should be positioned directly overhead of the dive coach/spotter. This position should be a minimum of 3 feet from the pool edge, to prevent the spotter from being pulled into the water.
Pulleys are typically installed 2’-6” to 3’ in front of the plummet. This distance should be confirmed with the dive coach.
The angle between the diver and the spotting ropes should be approximately 35 degrees. This angle may be difficult to achieve depending on the elevation of the roof structure.
Spotting ropes are typically 1/2” (12 mm) or 7/16” (10 mm). If the harness is installed under a tall ceiling, the weight of the long spotting rope can make the apparatus difficult to use. In this case the dive coach may prefer 3/8” (9.5 mm) or 5/16” (8 mm) ropes to save weight. (Thinner diameter ropes, 3/8” and 5/16”, should only be used over water and never over dryland spotting equipment.)
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