Technical Bulletin 10, Reasonably Safe from Flooding Requirement for Building on Filled Land

This Technical Bulletin provides detailed guidance for ensuring that buildings constructed on filled land removed from Special Flood Hazard Areas (SFHAs) are reasonably safe from flooding, in accordance with National Flood Insurance Program (NFIP) requirements. It covers regulatory, documentation, and certification requirements, as well as best practices for the design, placement, and characteristics of fill. The document addresses technical approaches for analyzing seepage and reducing flood risks, with specific recommendations for both non-basement and basement foundation types. It includes comparisons of NFIP, IBC, and IRC requirements, and outlines administrative procedures for communities and design professionals.