Lane County Floodplain Code Modernization Project October 24, 2019: Thurston Middle School, Springfield October 28, 2019: Florence Event Center, Florence October 30, 2019: Harris Hall, Public Service Building, Eugene 5:30 to 7:30 pm
Meeting Format ∗ Sign-in ∗ Flood mapping ∗ Policy change stations/floodplain resources ∗ Community response survey ∗ City representatives
Project Purpose ∗ Lane Code Modernization ∗ Board of County Commissioners direction ∗ Community Assistance Visit ∗ FEMA audit of NFIP community ∗ Better protect life and property from flood hazard
Current Standards ∗ Floodplain combining zone ∗ Lane Code 16.244 and 10.271 ∗ Flood zones designated by FEMA ∗ Not changing with this project ∗ Requirements: elevation, foundation and anchoring, enclosed areas, road requirements, etc.
Current Standards – Cont. ∗ National Flood Insurance Program (NFIP) ∗ Minimum requirements ∗ Code of Federal Regulations (CFR), Title 44, Volume 1 ∗ Community Rating System (CRS) ∗ Beyond minimum requirements
Balanced Cut and Fill ∗ Current code does not address impacts of fill in the floodplain ∗ Displacement and movement of flood waters ∗ Mitigation through cut
Cumulative Calculation for Substantial Improvements ∗ Substantial improvement ∗ the cost of which equals or exceeds 50 percent of the market value of the structure ∗ the structure must comply with current floodplain regulations Cost of Improvement or Repair ≥ 50% Market Value of Building ∗ FEMA requires the entire improvement to be counted as one ∗ Cumulative improvement: all improvement over a period of time be counted towards the calculation ∗ Alternate regulation: lower threshold
Limit Floodway Development ∗ Floodway: ∗ The area adjacent to a stream channel needed to discharge floodwaters ∗ High velocity and carries projectiles during a flood event
Increase Freeboard ∗ Currently one foot above BFE or two feet above ground ∗ Benefits: ∗ Lower insurance premiums (separate from CRS discount) ∗ Less structural flood damage ∗ Negatives: ∗ Higher costs upfront when building in the floodplain
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