TFMA 2007 Freeboard Survey Special Acknowledgement To Charlie Hastings PE, CFM, who initiated the 2004 Survey and TFMA members that participated

“Work in Progress”  John Ivey, PE, CFM – Halff Associates  Lochen Wood, CFM – LCRA  Roy Sedwick, CFM – TFMA/LCRA

Questionnaire  Zone AE/VE - New construction must be elevated ___ feet above BFE as shown on FIRM.  Zone AE/VE - New construction must be elevated ___ feet above BFE determined by a study based on fully developed watershed (future conditions)

 Master Drainage Plan (MDP) developed for areas in and around the community using fully developed conditions, for areas the FIRM doesn't address.  Are Developers required to use the MDP BFE.  Zone A (un-numbered) - Developer must conduct a study to define the BFE. If development is greater than 50 lots or 5 Acres, whichever is the lesser. [60.3(b)(3)] Zone A (un- numbered)

 Developer must conduct a study to define the floodway boundary based on existing conditions.  Zone A (un-numbered) - Developer must conduct a study to define the floodway boundary based on fully developed watershed (future conditions)

 Floodway - no development allowed within ___ feet from the floodway boundary.  No fill is allowed in the floodway or floodplain without mitigation (No adverse impact).

Coastal (Zone VE) Requirements  V/VE Zone - New construction within Zone AE that is within ___ feet of the VE Zone boundary must be constructed to V Zone requirements. (Setback)  V/VE Zone requirements to elevate __ feet above the BFE

Requirements in Zones B, C & X  Zone X (Shaded) - New construction must be elevated ___ feet above natural grade or above the crown of the nearest street.  Zone X (Unshaded) - New construction must be elevated ___ feet above natural grade or the crown of the nearest street.  (Note – Friendswood requires +24” in X shaded and +18” in X unshaded)

Elevation Certificates  Elevation Certificate Requirements - (1) Submitted with initial permit application. Y/N (1) Submitted with initial permit application. Y/N (2) Submitted prior to forming/pouring lowest floor. Y/N (2) Submitted prior to forming/pouring lowest floor. Y/N (3) Submitted when structure is completed. Y/N (3) Submitted when structure is completed. Y/N (4) Required prior to issuing a CO. Y/N (4) Required prior to issuing a CO. Y/N

Community Rating System  Is your community enrolled in CRS? Yes/No  Current CRS Rating ___  CRS Goal: ___  How many CFM’s does your community have on staff? ___

Other Requirements  Detention (on site and/or regional)  Setbacks from FP and/or FW boundaries  CLOMR required before permit issued  No development in floodway  No development in floodplain  No Adverse Impact  Additional Wetland/wildlife requirements  Floodplain must be open space  Drainage easements must be dedicated to City  Other….

2006 Survey Results

Thank you for participating! Contact John Ivey at for copies