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§ 1918.54 Rigging gear.
(a) Guy and preventer placement. Each guy or preventer shall be placed to prevent it from making contact with any other guy, preventer, or stay.
(b) Guys. When alternate positions for securing guys are provided, the guys shall be so placed as to produce a minimum stress and not permit the boom to jackknife.
(c) Boom placement. The head of the midship boom shall be spotted no farther outboard of the coaming than is necessary for control of the load.
(d) Preventers. (1) Preventers shall be properly secured to suitable fittings other than those to which the guys are secured, and shall be as nearly parallel to the guys as the fittings will permit.