C.M.R. 02, 385, ch. 900, app 385-900-E
I. Ground Level Installation of Used Manufactured Homes (Floor at Grade)
A. Ground level installations refer to used manufactured homes installed over an open excavation where the supporting foundations are below finished ground level.
B. All required permits shall be obtained.
C. Retaining walls to resist the lateral displacement of soil and other materials should be designed to resist the lateral pressure of the retained material in accordance with accepted engineering practice. Retaining walls, if fastened to the manufactured home at the time of installation, should not degrade the stabilizing system of the home.When a retaining wall is not used as a foundation, it should not be attached to the home.Retaining walls should be constructed of treated foundation grade wood, concrete, masonry, other approved materials or combinations of these materials.
D. All fill and backfill soil surrounding the home should be compacted. Grading around the home shall be done in such a manner that will divert water away from the home and must slope a minimum of one-half inch per foot away from the foundation for the first ten feet.
C.M.R. 02, 385, ch. 900, app 385-900-E