(a) All development projects that result in the creation of one acre (43,560 square feet) or more of impervious surface and all significant redevelopment projects that result in the addition or replacement of one acre (43,560 square feet) or more of impervious surface shall implement hydromodification management measures, except for the following projects:
1. Projects that do not create an increase in impervious surface over pre-project conditions.
2. Projects located in areas designated as exempt from hydromodification management requirements on the Hydromodification Management Plan Applicability Map contained in Attachment F of Order No. R2-2009-0074 under NPDES Permit No. CAS612008 issued by the Water Board, as it may be amended from time to time.
(b) Hydromodification management measures shall be designed and implemented in accordance with guidelines and technical specifications provided by the city or other city-approved authority, the requirements of Order No. R2-2009-0074 under NPDES Permit No. CAS612008 issued by the Water Board, as it may be amended from time to time, and the provisions of the Hydromodification Management Plan for the Santa Clara Valley Urban Runoff Pollution Prevention Program as approved by the Water Board.
(c) All hydromodification management measures are subject to inspection and approval by the city engineer.
(Ord. 5112 § 3, 2010: Ord. 4878 § 3, 2005)