328.1-10. Capacity of Channels and Conduits.
Drainage channels and conduits shall have the following minimum capacities: (Ord. 1758, § 1, 11/12/86)
(1) Major Drainage Channels. Major drainage channels and conduits shall have sufficient capacity to contain a 100-year frequency or occurrence runoff. (Ord. 1758, § 1, 11/12/1986)
(2) Secondary Drainage Channels. Secondary drainage channels and conduits shall have sufficient capacity to contain a ten-year frequency of occurrence runoff, as well as sufficient additional capacity so that floodwaters escaping therefrom shall not reach an elevation within one foot of any dwelling or commercial structure. (Ord. 1758, § 1, 11/12/1986)
(3) Minor Drainage Channels. Minor drainage channels, conduits, and appurtenant facilities shall have sufficient capacity to contain a ten-year frequency of occurrence runoff, as well as sufficient additional capacity so that floodwaters escaping therefrom shall not reach an elevation within one foot of any dwelling or commercial structure. (Ord. 1758, § 1, 11/12/1986)