§ 152.073 CHANNEL STABILITY.

   (A)   A stable channel does not vary design gradient and cross section from acceptable limits;

   (B)   Channel stability shall be determined for an aged condition. The velocity shall be based on the design flow or the bank full flow, whichever is greater, using “n” values for various channel linings; and

   (C)   Channel stability must be checked using conditions immediately after construction for justification of erosion control. measures. See §§ 152.115 through 152.118, Soil Erosion and Sedimentation Control, for erosion control standards.

(Ord. passed 10-11-2004)