Repairs, Remodeling, Additions, and Retrofitting – Flood

Repairs, Remodeling, Additions, and Retrofitting . Flood HOME BUILDER'S GUIDE TO COASTAL CONSTRUCTION Technical Fact Sheet No. Purpose: To outline National Flood Insurance Program (NFIP) requirements for repairs, remodeling, and additions, and opportunities for Retrofitting in coastal Flood hazard areas; to provide recommendations for exceeding those minimum requirements. Key Issues Factors That Determine Whether and How n Existing buildings that sustain substantial dam- Existing Buildings Must Comply With NFIP. age or that are substantially improved (see box Requirements on page 3) will be treated as new construction and must meet the community's current Flood - Rules governing the applicability of NFIP new construc- resistant construction requirements ( , low- tion requirements to existing buildings are confusing est floor elevation, foundation, and enclosure to many people; this fact sheet and Fact Sheet No. requirements). , Summary of Coastal Construction Requirements and Recommendations for Flood Effects provide guid- n Work on post- Flood Insurance Rate Map (FIRM)1 ance on the subject.

Note: Repairs, remodeling, additions, and retro- fitting may also be subject to other community and code requirements, some of which may be more restrictive than the NFIP requirements. Check with the AHJ before undertaking any work.

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