19 Miss. Code. R. 7-5.06.8 - Pier Spacing and Placement

A. To assure proper pier spacing and placement for all Factory-Built homes, the piers shall be located in accordance with the Factory-Built home installation instructions. If the Factory-Built home installation instructions are not available for a used home, piers for single section homes are to be placed under each longitudinal I-beam not to exceed 8 ft. on center spacing for homes that are 14 ft. wide or less and 6 ft. on center for homes that are over 14 ft. wide, in the minimum soil bearing capacity of 2,000 psf. End piers shall be no more than two (2) feet and no less than one (1) foot from the end of each I-beam.

B. The pier spacing under each longitudinal I-beam for all used Factory-Built homes (single wide or multi-section) having a Wind Zone II classifications shall be no greater than 6 ft. on center.

C. Piers for used multi-section homes are to be placed under each longitudinal I-beam not to exceed 6 ft. on center spacing. For used multi-section homes, piers are to be placed under the center marriage line no less than one (1) foot from each end, under ridge beam support columns, and under both sides of openings at the marriage line greater than 12 ft. All marriage wall support piers shall be placed perpendicular to the mate line of the two sections of the home.