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15-16-920  Size of risers.
   Risers shall be not less than four inches in diameter for 13 or less stories; six inches for 15 additional stories and eight inches for all additional stories. Risers may be sized according to hydraulic calculation but in no case shall a riser be less than four inches in diameter. The flow rates used in hydraulic calculations shall be not less than required in Section 15-16-790. Main shall be of not less size than the largest riser.
(Prior code §  91-73; Amend Coun. J. 10-30-96, p. 31261, § 1)