All manufactured homes installed in flood hazard areas shall
be installed pursuant to the Nationally Preemptive Manufactured Home
Construction and Safety Standards Program (24 CFR 3280).
All new, relocated, and replacement manufactured homes to be placed or substantially improved in a flood hazard area shall be elevated such that the bottom of the frame is elevated to or above the elevation specified in § 154-15.2.
All new, relocated, and replacement manufactured homes, including
substantial improvement of existing manufactured homes, shall be placed
on permanent, reinforced foundations that are designed in accordance
with Section R322 of the Residential Code.
All new, relocated, and replacement manufactured homes to be
placed or substantially improved in a flood hazard area shall be installed
using methods and practices which minimize flood damage and shall
be securely anchored to an adequately anchored foundation system to
resist flotation, collapse and lateral movement. This requirement
is in addition to applicable state and local anchoring requirements
for resisting wind forces.
Fully enclosed areas below elevated manufactured homes shall comply with the requirements of § 154-15.2.
Mechanical equipment and outside appliances shall be elevated to or above the elevation of the bottom of the frame required in § 154-15.2 of these regulations.
Exception. Where such equipment and appliances are designed and installed to prevent water from entering or accumulating within their components and the systems are constructed to resist hydrostatic and hydrodynamic loads and stresses, including the effects of buoyancy, during the occurrence of flooding up to the elevation required by § 154-15.2, the systems and equipment shall be permitted to be located below that elevation. Electrical wiring systems shall be permitted below the design flood elevation, provided they conform to the provisions of NFPA 70 (National Electric Code).
