1. Anchoring equipment shall be capable of resisting an allowable working load equal to or exceeding 3,150 lbs. and shall be capable of withstanding a 50% overload (4,725 lbs. total) without failure of either the anchoring equipment or the attachment point on the home. Ground anchors shall be capable of resisting these loads in the soil in which the anchors are installed.

2. Anchoring equipment exposed to weathering shall have a resistance to weather deterioration at least equivalent to that provided by a coating of zinc on steel of not less than 0.30 ounces per square foot of surface coated.

3. Type 1, Finish B, Grade 1 steel strapping, one and one-quarter inches (1-1/4″) wide and 0.035-inch-thick, conforming with ATSM Standards Specification D3953-91 is judged to conform with the provisions of this section and paragraph (1) of this section.

5. [FN1] Cable used as tiedown straps shall be of either galvanized steel or stainless. Steel cable shall be a minimum of three-eighths inch (3/8″) in diameter. Aircraft cable shall be one-quarter inch (1/4″) or larger in diameter.

5. Protection shall be provided at sharp corners where the anchoring systems require the use of external cables or straps.

6. Each manufactured ground anchor shall be listed and installed in accordance with its listing and the anchor manufacturer's instructions.

7. All anchors, straps, clips or other components of anchoring must be new and may not be re-used.

1. All single section manufactured homes shall be anchored with diagonal anchoring straps attached to the frame in addition to the anchoring of the home by means of the over the top straps which may be supplied and built in by the manufacturer. The number of diagonal frame anchors required shall be as follows:

1. Multi-section manufactured homes require only diagonal frame ties and anchoring. Such ties shall be installed according to the manufacturer's DAPIA approved anchoring instructions. In the case of used multi-section homes, the anchoring shall be done according to the rules and specifications set forth in this section.

2. The number and spacing of frame ties and anchors required for multi-section manufactured homes shall be based upon the length of the home and shall be the same spacing as that specified or single section manufactured homes in Section (B)(1)(a).

1. All ground anchor systems and each component as used in each ground system (soil, gravel, rock, etc.) shall be capable of withstanding without failure a vertical and diagonal pull of 4,725 pounds at each tie for single-headed anchors or 9,450 pounds for double-headed anchors. Any anchor installed shall be used in the ground system for which it was designed and listed.

2. Ground and rock anchors shall be at least eleven-sixteenths inch (11/16″) thick and be buried to a depth of at least three feet (3′). If longer anchors are used, they shall be buried to full depth.

3. Concrete slab anchors shall be installed according to the anchor manufacturer's instructions and shall be capable of withstanding without failure a vertical and diagonal pull of 4,725 pounds for each separate anchoring strap attached.

4. After the anchors have been properly installed, all anchoring straps shall be tensioned according to the home manufacturer's installation instructions or the anchor manufacturer's instructions.