25 Pa. Code § 89.55. Collection channels.

§ 89.55. Collection channels.

(a)  A channel or ditch that is used to collect or transport waters, or both, into wastewater treatment facilities shall be constructed to safely pass the peak runoff from a precipitation event with a 10-year recurrence interval, or a larger event as specified by the Department.
(b)  Channel design shall incorporate:
   (1)  Channel linings to safely pass the design velocities.
   (2)  Adequate freeboard.
   (3)  Energy dissipators when necessary.

Source

   The provisions of this §  89.55 adopted December 19, 1980, 10 Pa.B. 4789, effective July 31, 1982, 12 Pa.B. 2382; amended July 30, 1982, 12 Pa.B. 2473, effective July 31, 1982, 12 Pa.B. 2382.

Cross References

   This section cited in 25 Pa. Code §  89.173 (relating to performance standards).

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