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<br /> <br />Chapter VI: General Design Practices <br /> <br />Elevation <br /> <br />~ <br /> <br />Information on the design of <br />foundation wall openings and <br />adjustment of existing utility <br />systems can be found in the Wet <br />Floodproofing section of Chapter <br />VI. <br /> <br />HOUSES OVER A CRAWLSPACE <br /> <br />These are generally the easiest and least expensive houses to <br />elevate. They are usually one- or two-story houses built on <br />a masonry crawlspace wall. This allows for access in <br />placing the steel beams under the house for lifting. The <br />added benefit is that since most crawlspaces have low <br />clearance, most utilities (heat pumps, water heaters, air <br />conditioners, etc.) are not placed under the home; thus the <br />need to relocate utilities may be limited. Houses over a <br />crawlspace can be: <br /> <br />. elevated on extended solid foundation walls (see Figures <br />VI-El through VI-E5); or <br /> <br />. elevated on an open foundation such as masonry <br />piers (see Figures VI-E6 through VI-E8). <br /> <br />VI - E.2 <br /> <br />Engineering Principles and Practices of Retrofitting Flood-Prone Residential Structures <br />January 1995 <br />