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-2- The Committee reviewed the Board's memorandum and attachments dated July 12, 2004. This assessment included review and comments of the CWCB' s existing Floodplain Rules and Regulations with an effective date ofJanuary 11, 1988. The two operating objectives for the Committee are: 1. How to reasonably delineate the 100-year floodplain and place the 100-year flood limits on floodplain maps using the CWCB criteria manual and the operating principles. 2. To what extent of involvement should floodplain administrative and management issues be addressed in the new rules. The Committee has conducted four work sessions reviewing and discussing the Floodplain Rules and drafting language for the proposed revisions to these Floodplain Rules. Staff presents a revised outline to its July 12, 2004 proposal- Attachment A. Rule Title Rule Content NewlRevisedlNC 1 Rules and Regulation for the Designation Long and Short Title Revised and Approval of Regulatory Floodplains 2 Authority State Statutes NC 3 Purpose and Scope Purpose of these rules IS to provide Revised reasonably uniform standards for the designation and approval of the regulatory floodplains. Scope will address floodplain engineering, floodplain zoning, and local drainage reports, dam failure inundation zones. 4 DefInitions Terms applicable to the rules and Revised regulations 5 State Regulatory Floodplain The regulatory floodplain is the lOO-year New wording with the floodplain same intent 6 Standards for Delineation of the Regulatory A. Base mapping New/Revised Floodplain Information B. Vertical and horizontal control - 1988 vs. 1929 datum C. Map accuracy D. Hydrologic determinations E. Hydraulic determinations F. Floodplain delineations G. Unique floodplain delineations H. Published Reports and maps and digital formats I. Contractor qualifIcations 7 Floodwavs Use language in the Operating Principle New 8 Criteria for determining the effects of dams A. Flood Control Dams NC on the regulatory floodplain B. Non-Flood Dams New C. Detention Dams New 9 Criteria for determining the effects of levees Use the FEMA levee criteria in Section Revised on the regulatory floodplain 65.10 of the Code of Federal Regulations 10 Criteria for storm water detention Use language in the Operating Principle New consideration on the regulatory floodplain Revised Attachment A Outline for the Revision of CWCB Floodplain Rules and Regulations November 2004 Flood Protection. Water Project Planning and Financing. Stream and Lake Protection Water Supply Protection. Conservation Planning