Local floodplain management regulations and codes contain minimum National Flood Insurance Program (NFIP) requirements that apply not only to new structures but also to existing structures that are “substantially improved (SI)” or “substantially damaged (SD)”.
Substantial damage / improvement
Enforcing the requirements that define whether a property is “substantially improved (SI)” or “substantially damaged (SD)" is a very important part of a community’s floodplain management responsibilities.
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Damage Inspections
There are many factors that local officials will need to consider and several scenarios they may encounter while implementing the SI/SD requirements for properties deemed “substantially improved (SI)” or “substantially damaged (SD)".
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