§ 50.137  DESIGN MANUAL.
   (A)   Reference to design manual. 
      (1)   The Stormwater Manager shall use the policy, criteria, and information, including technical specifications and standards, in the design manual as the basis for decisions about stormwater permits and about the design, implementation and performance of structural and non-structural stormwater BMPs.
      (2)   The design manual includes a list of acceptable stormwater treatment practices, including specific design criteria for each stormwater practice. Stormwater treatment practices that are designed, constructed, and maintained in accordance with these design and sizing criteria will be presumed to meet the minimum water quality performance standards of the Phase II and other applicable stormwater laws.
   (B)   Relationship of design manual to other laws and regulations.  If the specifications or guidelines of the design manual are more restrictive or apply a higher standard than other laws or regulations, that fact shall not prevent application of the specifications or guidelines in the design manual.
   (C)   Changes to standards and specifications.  If the standards, specifications, guidelines, policies, criteria, or other information in the design manual are amended subsequent to the submittal of an application for approval pursuant to this subchapter but prior to approval, the new information shall control and shall be utilized in reviewing the application and in implementing this subchapter with regard to the application.
   (D)   Amendments to design manual.  The Design manual may be updated and expanded from time to time, based on advancements in technology and engineering, improved knowledge of local conditions, or local monitoring or maintenance experience. Prior to amending or updating the design manual, proposed changes shall be generally publicized and made available for, review, and an opportunity for comment by interested persons shall be provided.
(Ord. 1538, passed 5-24-07)