Moreover, the interior ground level must be above the outside finish grade unless an automatic sump pump system and drain tile or sufficient gravity drainage to a positive outfall is provided. If you need access to the area under the floor space for repair and maintenance of mechanical equipment present there, the ground level below the floor joists on the affected area should be 2 feet or more. Moving on, the ground level must be 12 inches below the bottom of the chassis beam and 18 inches below the bottom of the floor joists. Typically, piers are dry stacked concrete masonry units (CMU) measuring 16” x 16” x 8”. If the area is characterized by unusual conditions, the pier size, the load-bearing capacity of the soil, and the spacing of piers must be determined specifically for the conditions. ![]() These footings may also be placed on compacted, engineered fill, after getting it approved by a licensed professional engineer. Pier Foundation footings are made from pre-cast concrete or ABS pads and placed below the frost penetration depth on firm undisturbed soil of sufficient bearing capacity. For easy crawl space accessibility, the height of the floor above the finished grade to the foundation at all points Is typically 18 inches. If you’re considering a manufactured home foundation inspection in Alabama, be sure to take them into account.Īll exterior walls, marriage wall posts, marriage walls, piers, and columns must be supported by an acceptable foundation system that features a sufficient design to safely support the loads imposed, based on the character of the soil. In this guide, we’ll take you through those requirements. After the inspection, the professional will provide a written evaluation to the homeowner, lender, or home buyer, reporting whether the manufactured home foundation complies with the most recent requirements. They’ll possess the knowledge about home requirements that will assure approval of the FHA or VA home loan. You’ll need to find a professional engineer who’s familiar with the common issues that may arise in manufactured home foundations. Therefore, FHA and VA have established standards for the foundation of manufactured home structures. For instance, hurricane Isabel of 2003, which occurred in North Carolina, caused a loss of 450 million dollars in property damage. Millions of dollars in property damage are reported every year due to hurricanes. Given the rapidly growing market of manufactured homes, it’s critical to ensure they are compliant with the updated HUD and FHA requirements. Hence, this home setup makes up 7% of all owner-occupied housing in the US. More than 20 million Americans reside in 8.5 million manufactured homes. ![]() ![]() The Importance of a Good Manufactured Home Permanent Foundation.Why Use FHA and HUD Inspectors and State Certified for Manufactured Home Foundations Installers.The Importance of the Engineer's Home Foundation Inspection and Certification in Obtaining an FHA Insured Mortgage.
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