Regulationhistorical
49 CFR 193.2161
Dikes, general.
Snapshot 1998-10-01 Government source
eCFR editorial compilationAuthoritative but unofficial
View source (a) Penetrations in dikes to accommodate piping or any other purpose are prohibited.
(b) An outer wall of a component served by an impounding system may not be used as a dike except for a concrete wall designed to comply with the requirements of § 193.2155(c) or equivalent design impact loading.