Technical Bulletin 3, Non-Residential Floodproofing Requirements and Certifications

The NFIP Technical Bulletin 3 from January 2021 provides comprehensive guidance on dry floodproofing for non-residential buildings. It covers various planning considerations, compliance requirements, and design aspects for implementing dry floodproofing solutions. The document discusses flood insurance rating procedures, planning considerations for dry floodproofing options, mitigation techniques for reducing flood damage, safety considerations, functional use requirements, flood warning time assessment, and required emergency operation and maintenance plans.