(A) Where jumps occur over land, a safety space of thirty feet shall be maintained between the bottom of the jump zone and the ground level.
(B) Where jumps occur over water, the water over the entire bottom of the jump zone shall be no less than three feet deep with a minimum water depth of no less than twelve feet within a ten foot radius of a point directly beneath the jump point.
(C) An additional extension of the jump zone volume shall be maintained as a safety space which will not be less than ten per cent of the jump zone dimensions at the jump point and twenty per cent of the jump zone dimensions at the bottom of the jump.
(D) A minimum of ten per cent of the height of the jump shall be maintained beneath the jump point as the top safety space.
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