18.48.100 Manufactured homes.
All manufactured homes must likewise be anchored to prevent flotation, collapse, or lateral movement, and shall be installed using methods and practices that minimize flood damage. Anchoring methods may include, but are not limited to, use of over-the-top or frame ties to ground anchors as per the “Manufactured Home Installation in Flood Hazard Areas” guidebook available from the Federal Emergency Management Agency (FEMA).
(1) All manufactured homes to be placed or substantially improved on sites:
(a) Outside of a manufactured home park or subdivision;
(b) In a new manufactured home park or subdivision;
(c) In an expansion to an existing manufactured home park or subdivision; or
(d) In an existing manufactured home park or subdivision on which a manufactured home has incurred substantial damage as the result of a flood, shall be elevated on a permanent foundation such that the lowest floor of the manufactured home is elevated to a minimum of 18 inches above the base flood elevation and be securely anchored to an adequately designed foundation system to resist flotation, collapse and lateral movement.
(2) Manufactured homes to be placed or substantially improved on sites in an existing manufactured home park or subdivision within Zones A1 – 30, AH, and AE on the community’s FIRM that are not subject to the above manufactured home provisions be elevated so that either:
(a) The lowest floor of the manufactured home is elevated to a minimum of 18 inches above the base flood elevation; or
(b) The manufactured home chassis is supported by reinforced piers or other foundation elements of at least equivalent strength that are no less than 36 inches in height above grade and be securely anchored to an adequately designed foundation system to resist flotation, collapse, and lateral movement.
(3) Manufactured homes supported on solid foundation walls shall be constructed with flood openings that comply with NBCC 18.48.080.
(4) Electrical crossover connections shall be a minimum of 12 inches above base flood elevation. (Ord. 2027 § 1, 2018)