§ 4-150  PIERS AND FOOTINGS.
   Mobile homes located in the A-1 General Agriculture District and in the A-2 Suburban District, R-1 Single-Family Dwelling District, R-2 General Residential District as set forth in Ordinance No. 2422, as amended, (as set forth in § 16-15 of this code of ordinances), shall conform with the following requirements:
   (A)   Piers and footings with the following minimum requirements shall be installed under the supporting main frame.  Maximum pier spacing will be ten foot on center, with the end piers being no farther than five feet from the ends of the unit.  Frame ties shall be positioned near a pier.  Piers shall be constructed of standard eight-inch by eight-inch by 16-inch celled concrete blocks or approved substitute as specified by N.M.H.C. and S.S. Act of 1974, 42 USC 5401 et seq., as amended, placed over a 24-inch by 24-inch by 16-inch footing, with the long dimensions of the block crossways (perpendicular) to the main frame members and centered under them.  The cells of the concrete blocks shall run in a vertical direction.  Piers shall be topped with a solid concrete cap eight-inch by 16-inch by four-inch or with a pressure-treated wood cap eight-inch by 12-inch by two-inch.  If needed to provide uniform bearing, treated wood shims should be driven tight between the cap and the supporting main frame.  Piers more than 40 inches high shall be double tiers of interlocking concrete blocks.
   (B)   Tie-down components will have a minimum loading strength of 4,750 pounds and each anchor will have a minimum holding power of 5,700 pounds.  If screw type auger anchors are used due to the sandy type soil in this area, two may be required to obtain the 5,700 pounds holding power.  Frame ties will be cross frame type and will be secured to the anchor with closed eye and jaw type turnbuckles.
 
Ten- and 12-foot
Twelve- to 14-foot
30 to 50 feet long (per side)
30 to 60 feet long (per side)
60 to 80 feet long (per side)
Frame ties
Over-the-top ties
Frame ties
Over-the-top ties
Frame ties
Over-the top ties
4
3
5
3
5
3
 
   (C)   Wheels, axles and hitch mechanism will be removed making the mobile home a permanent type structure, thus all building, electrical, mechanical and plumbing permits will apply.
   (D)   (1)   The entire perimeter of the floor area of the home shall be completely enclosed, except for required service access openings.
      (2)   Enclosure material shall be treated foundation grade wood, concrete, masonry or other similar type material and extend four inches below ground level.
(`90 Code, § 4-65.1)  (Ord. 2768, passed 3-5-85)