02-385-900 Me. Code R. § B-VI
A minimum clearance of 12 in. must be maintained beneath the lowest member of the main frame (I-beam or channel beam) and the grade under all areas of the home.
When the manufactured home is installed on a basement or split entry type foundation over a habitable lower-level area, or when more than one-fourth of the area of the manufactured home is installed so that the bottom of the main frame members are more than 3 ft. above ground level, the foundation system shall be designed by a licensed professional engineer or licensed architect.Appendix B to this Chapter cannot be used for any elevated installation or in combination with the manufacturer's installation instructions.
No portion of a manufactured home shall be removed when located on its home site unless it is designed to be removed in accordance with HUD's and the manufacturer's installation instruction.
02-385 C.M.R. ch. 900, § B-VI