N.Y.C. Admin. Code § BC G305: Section BC G305: Manufactured Homes

G305.1 Elevation.

All new and replacement manufactured homes shall be prohibited in coastal high-hazard areas. Within A-Zones, all new, replaced or substantially improved manufactured homes shall be elevated such that the lowest floor of the manufactured home is elevated to or above the design flood elevation as specified in ASCE 24, Table 2-1.

G305.2 Foundations.

Within A-Zones, all new and replacement manufactured homes, including substantial improvement of existing manufactured homes, shall be placed on a permanent, reinforced foundation that is designed in accordance with ASCE 24.

G305.3 Anchoring.

Manufactured homes shall be securely anchored to an adequately anchored foundation system to resist flotation, collapse and lateral movement. Methods of anchoring are authorized to include, but are not limited to, use of over-the-top or frame ties to ground anchors. This requirement is in addition to applicable state and local anchoring requirements for resisting wind forces.

G305.4 Protection of mechanical equipment and outside appliances.

Mechanical equipment and outside appliances shall be elevated to or above the design flood elevation.

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 ASCE 24, Table 2-1, the systems and equipment shall be permitted to be located below the elevation required by ASCE 24, Table 2-1. Electrical wiring systems shall be permitted below the design flood elevation provided they conform to the provisions of the New York City Electrical Code.

G305.5 Enclosures.

Fully enclosed areas below elevated manufactured homes shall comply with the requirements of Section G304.1.1, Item 2.