May 15, 2009 Building Standards Code Update Project Mitigating the Consequences of Flooding Presentation to the Central Valley Flood Protection Board Ricardo Pineda, P.E., CFM, Floodplain Management Branch Chief Brian Walker, P.E., BSCUP Project Engineer

May 15, 2009 Meeting Objective & Agenda Purpose: To Provide the Board an Update on Project and Schedule Highlights of Building Standards Code Update Project (BSCUP) Schedule NRA and CBSC Submittal Packages Identify Next Steps

May 15, 2009 Health and Safety Code § (a) On or before January 1, 2009, the Department of Water Resources shall propose for adoption and approval by the California Building Standards Commission updated requirements to the California Building Standards Code for construction in areas protected by the facilities of the Central Valley Flood Protection Plan where flood levels are anticipated to exceed three feet for the 200-year flood event. The amendments to the California Building Standards Code shall be sufficient to reduce the risk of flood damage and protect life, safety, and the construction in those areas. (b) Before the department proposes the amendments to the California Building Standards Code required pursuant to subdivision (a), the department shall consult with the Central Valley Flood Protection Board, the Division of the State Architect, and the Office of the State Fire Marshal.

May 15, 2009 Collaboration & Engagement The DWR Building Code Team has Briefed and Obtained input from: Technical Advisory Committee (TAC) members in 5 Meetings FloodSAFE Executive Management Team 5 Times Central Valley Flood Protection Board twice The Public - 4 Workshops Five State Agencies

May 15, 2009 Technical Advisory Committee (TAC) Participants CVFPB (Central Valley Flood Protection Board) DSA (Division of the State Architect) SFM (Office of the State Fire Marshal) HCD (Department of Housing and Community Development) BSC (Building Standards Commission) SWRCB (State Water Resources Control Board) CBIA (California Building Industry Association) AIA (American Institute of Architects California Council) SEAOC (Structural Engineers Association of California) OSHPD (Office of Statewide Health Planning and Development) FMA (Floodplain Management Association) USACE (U.S. Army Corps of Engineers) NFPC (National Flood Proofing Committee) NFIP (National Flood Insurance Program) MWH Consulting PBS&J Consulting IWC (Inter-West Consulting) CSBC (City of Stockton Building Division) SJBD (San Joaquin Building Department) Other organizations and agencies were contacted

May 15, 2009 BSCUP Highlights PROJECT DEVELOPMENT FLOW CHART (IN BRIEF) FLOOD THREATS TO PEOPLE OCCUPANCY GROUPS RELATED TO PEOPLE FINAL PROPOSED CODE UPDATE

May 15, 2009 Prioritization for 2009 Code Cycle

May 15, 2009 Flood Threats to People The proposed Code update for the upcoming Code cycle primarily increases public safety for persons who cannot or do not evacuate region prior to flood Future Code updates should address damage reduction of buildings more completely

May 15, 2009 Flood Threats to People (2) Four “Chief Threats” were previously identified to be addressed this Code cycle BC Team determined that #1 and #2 can be accomplished now Chief Threats #3 and #4 require significant coordination and input or research. Recommend addressing next cycle (from Process Flow Chart)

May 15, 2009 Occupancy Groups Related to People Building Occupancy Groups are selected to best address risk of vulnerable & dependent persons. These groups are Educational, Residential & Institutional – Additional benefit to “average” homeowner in Residential buildings – DWR can expand scope in future Code cycles R-3 (& R-3.1) and E are the appropriate OGs to propose as Mandatory Code to address risk of vulnerable & dependent persons and maximize adoption of proposal to Code (from Process Flow Chart)

May 15, 2009 What Types of Buildings are Included? Mandatory – Schools (Group E) – Single family homes (Group R-3) – Residential care facilities with 6 or fewer clients (Group R-3.1) Voluntary – Medical, care facilities, and assisted living facilities (Group I) – Remainder of Group R, such as hotels and apartments

May 15, Proposed Code Update The proposal, if adopted, will minimize likely and mortal danger to persons who otherwise may not have a Flood Evacuation Location The Flood Evacuation Location requirements are: – Designed to allow flexibility and creativity (see examples) – Appropriately restrictive (e.g. minimum sizing, egress, etc) – Consistent with existing Code requirements regarding accessibility (i.e., ADA) requirements – Cost Conscious

May 15, 2009 Example 1 Single Story Residential with Five Options, Depending on Flood Water Depth. (There is only 1 Water Depth at a Particular Site) WSEL 200 “WSEL200” represents the Water Surface Elevation for the “200-year” Flood Event. Design Options Available will Always depend on Flood Depth.

May 15, 2009 Example 2 Evacuation Location on Residential Roofs or Attics

May 15, 2009 Example 3: Use FEMA/NFIP Approach “Elevate” one-story home above a garage or storage space. Technically, this is a two-story. This approach is required if in the FEMA mapped 100-year floodplain Significantly minimizes threat to persons (who could not evacuate region & had to be home) and home damage.

May 15, 2009 Example 4 The owner may feel more comfortable evacuating to a flat terrace or balcony than on rooftop or in attic. This rooftop Evacuation Location can often serve as amenity.

May 15, 2009 Example 5: If a Single-Story is Desired but it Would Be Fully Inundated If local Building Official and other necessary officials (e.g., RD or LD manager) sign off on Alternate Means of Protection plan offered by Owner/Developer of a Single- Story Planned Community, for example, then a Multi-Story Community Center may serve as the Evacuation Location. Some Considerations: Planned Community is Not Close to Levee Homes are Close to Community Center Robust Hazard (Flood) Warning System in Place

May 15, 2009 Example 6

May 15, 2009 Schedule Must Submit to CBSC by July 1, 2009

May 15, 2009 SCHEDULE - BUILDING STANDARDS CODE UPDATED PROJECT ACTIVITYSTART DATEFINISH DATE 1A. DWR Executive Management Team (EMT) ReviewMonday, May 11Monday, May 18 1B. Present to CV BoardFriday, May 15 1C. Incorporate EMT & CV Board CommentsMonday, May 18Tuesday, May Obtain Director’s Signature (Director’s Memo)Tuesday, May 19 3A. Code Proposal Package to NRA with ReviewWednesday, May 20Tuesday, June 9 3B. Code Proposal Package to CBSC for Advance Courtesy Review; 2 Week Review Wednesday, May 27Tuesday, June 9 4. Incorporate NRA and CBSC CommentsWednesday, June 10Tuesday, June Finalize Package (Signatures and Copies)Wednesday, June 17Friday, June SUBMIT PACKAGE TO CBSCMonday, June 22 CBSC CODE CYCLE SUBMITTAL DEADLINEWEDNESDAY, JULY 1 The CBSC 2009 Annual Code Adoption Cycle Begins July 1, Proposals that are Adopted Become Effective January 1, 2011.

May 15, 2009 Natural Resource Agency (NRA) & California Building Standards Commission (CBSC) Submittal Packages

May 15, 2009 NRA & CBSC Submittal Packages The Submittal Packages are Identical and Include: DWR Director’s Decision Memo Proposed Code Update (“Express Terms”), 3 Parts (by Occupancy Group) Narrative Document to Explain Code “Initial Statement of Reasons” “9-Point Criteria” Supporting Documentation: – Example Illustrations of Buildings Meeting Proposed Requirements

May 15, 2009 Next Steps The BC Team to Submit Packages to: – NRA on Wednesday, May 20 th – CBSC by May 27 th (Courtesy Review) – CBSC by June 30 th (Official Submittal) Beginning July 1, 2009, the BC Team Continues Carrying Proposal in the CBSC Code Adoption Cycle.

May 15, 2009 Questions or Comments? For more information:

May 15, 2009 Mitigating the Consequences of Flooding California Building Standards Code Update Project THANK YOU