Manufactured or mobile home installation standards are as follows.
(A) Permanent perimeter enclosure. Those manufactured homes designated in the Zoning Ordinance as requiring perimeter enclosure must be set onto an excavated area, with permanent perimeter enclosure, foundations, footings, and crawl space or basement walls constructed in accordance with the terms of the foundation code. The space between the floor joints of the home and the excavated underfloor grade shall be completely enclosed with the permanent perimeter enclosure (except for required openings).
(B) Foundation siding/skirting (for temporary structures). All manufactured or mobile homes without a permanent perimeter enclosure shall have an approved foundation siding/skirting and back-up framing which shall be weather-resistant, noncombustible, or self-extinguishing materials which blend with the exterior siding of the home. Below grade level, and for a minimum distance of six inches above finish grade, the materials shall be unaffected by decay or oxidation. The siding shall be installed in accordance with manufacturer’s recommendations or approved equal standards. The siding shall be ventilated by openings which shall have a net area of not less than one and one-half square feet for each 25 linear feet of exterior perimeter. The openings shall be covered with corrosion-resistant wire mesh not less than one-half inch in any dimension. The underfloor area shall be provided with an 18-inch-by-24-inch minimum access crawl hole which shall not be blocked by pipes, ducts, or other construction interfering with the accessibility of the underfloor space or other approved access mechanism.
(C) Support system. All HUD Code type I and type II manufactured home, load-bearing foundations shall be installed in conformance with the regulations in the foundation code and with the manufacturer’s installations specifications. All HUD Code type III manufactured homes and all mobile homes not placed on a permanent foundation shall be installed on a support system in conformance with the manufacturer’
(Prior Code, § 12-16)