Post-FIRM Construction 1 : construction or substantial improvement that started on or after the effective date of the initial Flood Insurance Rate Map (FIRM) of the community or after December 31, 1974, whichever is later
W. Louis Sidell, Jr., CFM, State Coordinator, Brigitte Ndikum-Nyada, Maine Floodplain Management Handbook, Appendix O, Glossary, Planner, State Planning Office, Maine, USA 2007. http://www.maine.gov/doc/commissioner/flood/docs/h andbook07/28-dix%20O-glossary.pdf, (ND/ Flood - Amer) {507}