Additional Guidance on 23 CFR 650A
Attachment 1 - Participation Options for Limiting Flood Damage
Formerly Federal-aid Policy Guide Non-Regulatory Supplement NS 23 CFR, Part 650A,
September 30, 1992, Transmittal 5
See Order 1321.1C FHWA Directives Management
If a Federal-aid highway project will cause a 100-year flood elevation which is more than 1-foot higher than the base flood elevation shown on a NFIP map at either (1) a National Flood Insurance Program (NFIP) insurable building or (2) an unimproved property with a substantially changed highest or best use, participation may be provided with Federal-aid highway funds by the following option which best fits the State's property management plan:
- Purchase property
- Relocate owners/tenants
- Buildings should be:
- Relocated out of the floodplain,
- Resold with commitment of buyer to:
- Relocate out of the floodplain, or
- Elevate the building above the new 100-year flood level or accomplish other acceptable flood proofing techniques.
- Reimburse Owner for Floodproofing Buildings
- Buildings should be elevated to or above the new 100-year flood level or other acceptable floodproofing techniques applied.
- Owner retains title.
- Owner arranges for floodproofing.
- d. Owner to sign instrument to hold State harmless from future flood damage.
- Reimbursement for floodproofing is limited to the cost to purchase property and relocate residents.
- Purchase Permanent Easement
- For unimproved property.
- Reimbursement is based on before and after appraisal.