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Obstructions

NFIP Policy Index

• Definition/Description
• NFIP Requirement
• Other Applicable NFIP Regulations
• Guidance
• Related Keywords

Definition/Description

All new construction and substantial improvements in V Zones must have the space below the lowest floor either free of obstruction or constructed with non-supporting breakaway walls. Foundations that offer minimal resistance to floodwaters passing beneath an elevated building are required in V Zones. Fill is prohibited for the structural support of buildings in V Zones.

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NFIP Requirement

• 60.3 - Criteria for land management and use
  • (e) (5) Free of Obstruction Requirement
  • (e) (6) - Fill in V Zones

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Other Applicable NFIP Regulations

• 60.3 - Criteria for land management and use
  • (a) (3)
  • (e) (4)

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Guidance

• IS-9 Managing Floodplain Development Through The National Flood Insurance Program (NFIP) (page 5-50) (PDF 8MB, TXT 1MB) (entire document)
• Free-Of-Obstruction Requirements (Technical Bulletin 5) (2008)

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Related Keywords

• Breakaway Wall
• Coastal High Hazard Area
• Hydrodynamic Forces
• V-Zone Certificate
• Elevation

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Last Modified: Wednesday, 11-Aug-2010 14:30:12 EDT