39 CFR §776.4

1. (a)The regulations in this subpart are applicable to the following proposed postal facility actions located in a floodplain:
   1. (1)New construction, owned or leased; or
   2. (2)Construction projects at an existing facility that would increase the amount of impervious surface at the site.
2. (b)These procedures are not applicable to the following postal facility actions:
   1. (1)Those actions identified in paragraphs (a)(1) and (a)(2) of this section, when the entire preferred area, or all contending sites, for such actions lies within a floodplain;
   2. (2)Incidental construction, such as construction of athletic fields, recreational facilities, sidewalks, and other minor alteration projects;
   3. (3)Construction at existing postal facilities pursuant to the Architectural Barriers Act or postal accessibility standards;
   4. (4)Any facility construction project deemed necessary to comply with federal, state, or local health, sanitary, or safety code standards to ensure safe working conditions;
   5. (5)Construction of facilities that are functionally dependent on water, such as piers, docks, or boat ramps;
   6. (6)Maintenance, repair, or renovation of existing facilities; or
   7. (7)Leasing or other use of space for not more than one year.