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All sprinkler piping shall be substantially supported from the building structure which must support five times the weight of the water-filled sprinkler piping plus 250 pounds applied at the point of support. Sprinkler piping shall be supported independent of ceiling sheathing. Wood plugs shall not be used in concrete to support sprinkler piping. The minimum size rod acceptable to support sprinkler piping shall be three-eighths inch in diameter except that three-sixteenths inch may be used in U-hook hangers.
Sprinkler piping or hangers shall not be used to support nonsystem components.
(Prior code § 91-22; Amend Coun. J. 10-30-96, p. 31216, § 1)