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<br />Figures <br /> <br />3.25 <br /> <br />3.26 <br />3.27 <br />3.28 <br />3.29 <br />3.30 <br />3.31 <br />3.32 <br />3.33 <br />3.34 <br />3.35 <br />3.36 <br /> <br />3.37 <br /> <br />3.38 <br />3.39 <br /> <br />4.1 <br />4.2 <br />4.3 <br />4.4 <br /> <br />4.5 <br />4.6 <br />4.7 <br />4.8 <br />4.9 <br />4.10 <br />4.11 <br />4.12 <br />4.13 <br />4.14 <br />4.15 <br />4.16 <br />4.17 <br /> <br />4.18 <br /> <br />4.19 <br />4.20 <br />4.21 <br />4.22 <br /> <br />4.23 <br />4.24 <br />4.25 <br />4.26 <br /> <br />Page <br /> <br />Diagonal Bracing with Steel <br />Rods . . . . . . . . . . . . . . . . . . . . 27 <br />Perimeter Enclosure . . . . . . .28 <br />Perimeter Walls . . . . . . . . . . .28 <br />Over-the-Top Tie. . . . . . . . . .28 <br />Frame Tie. . . . . . . . . . . . . . . .28 <br />Tie Components......... .29 <br />Tie Components......... .29 <br />Failed Anchors. . . . . . . . . . . .29 <br />Screw Auger. . .. . . . . . . . . .29 <br />Concrete Deadman Anchor. .30 <br />Anchors in Concrete Slab. . .30 <br />Anchoring on Pier <br />Foundation. . . . . . . . . . . . . . .30 <br />Anchoring on Post or Pile <br />Foundation. . . . . . . . . . . . . . .31 <br />Frame Ties. . . . . . . . . . . . . . .31 <br />State and Local Evacuation <br />Plans ................... 31 <br />Roof Live Load ........... 33 <br />Wind Load . . . . . . . . . . . . . . .33 <br />State and Local Regulations. 34 <br />Horizontal and Vertical <br />Forces .................. 34 <br />Lateral Forces . . . . . . . . . . . . 34 <br />Buoyancy Forces. . . . .. . . . .35 <br />Buoyancy Force. . . . . . . . . . . 36 <br />Drag Forces. . . . . . . . . . . . . .36 <br />Drag Force. . . . . . . . . . . . . . . 37 <br />Overturning ..............38 <br />Parallel to Flow . . . . . . . . . . . 38 <br />Perpendicular to Flow. . . . . .38 <br />Impact Forces . . . . . . . . . . . .39 <br />Scour. . . . . . . . . . . . . . . . . . .39 <br />Addition of Scour Depth . . . .40 <br />Addition of Scour Depth. . . .41 <br />Home EI~vated Above <br />Floodwaters . . . . . . . . . . . . . . 44 <br />Home Not Elevated Above <br />Floodwaters . . . . . . . . . . . . . . 44 <br />Design Loads. . . . . . . . . . . . . 44 <br />Flood Loads...... . . . . ... .44 <br />Magnitude of Loads. . . . . . . .45 <br />Forces Increase with <br />Elevation ................46 <br />Roof Dominated Loads . . . . .46 <br />Wind Dominated Loads. . . . .46 <br />Vertical Member Load. . . . . .48 <br />Pier Design A ............ 49 <br /> <br />Figures <br />4.27 <br />4.28 <br />4.29 <br />4.30 <br />4.31 <br />4.32 <br /> <br />4.33 <br /> <br />4.34 <br />4.35 <br />4.36 <br /> <br />4.37 <br />4.38 <br />4.39 <br /> <br />4.40 <br /> <br />4.41 <br /> <br />4.42 <br />4.43 <br />4.44 <br /> <br />4.45 <br /> <br />4.46 <br /> <br />4.47 <br /> <br />4.48 <br /> <br />4.49 <br /> <br />4.50 <br /> <br />4.51 <br /> <br />4.52 <br />4.53 <br />4.54 <br /> <br />4.55 <br /> <br />4.56 <br />4.57 <br /> <br />Page <br /> <br />Pier Design B ............49 <br />Pier Design C ............50 <br />Pier Design D ........... .51 <br />Pier Design E ............51 <br />Pier Design F. . . . . . . . . . . . .52 <br />Typical Ground Anchor <br />Detail ................... 52 <br />Longitudinal Spacing of <br />Ground Anchors. ........ .52 <br />Elevated Pier Design. . . . . . .53 <br />Posts and Piles . . . . . . . . . . . 53 <br />Manufactured Home Design <br />Conditions .. . . . . . . . . . . . . .58 <br />Vertical Member Load. . . . . .58 <br />Vertical Member Selection . .58 <br />Elevated Foundation <br />Loading .................59 <br />Horizontal Support <br />Beam ...... . . . . . . . . . . . . .59 <br />Longitudinal Support <br />Beams ..................61 <br />Cross Bracing ............61 <br />Cross Bracing Locations. . . .62 <br />Cross Bracing Single <br />Section . . . . . . . . . . . . . . . . . . 62 <br />Cross Bracing Double <br />Section . . . . . . . . . . . . . . . . . . 62 <br />Elevated Foundation <br />Connections. . . . . . . . . . . . . .63 <br />Bolts at Horizontal Beam <br />and Vertical Member. . . . . . .63 <br />Minimum Bolt Spacing <br />Distances for Square <br />Vertical Members. . . . . . . . . .65 <br />Minimum Bolt Spacing <br />Distances for Round <br />Vertical Members. . . . . . . . . .65 <br />Chassis I-Beam Lag <br />Screws . . . . . . . . . . . . . . . . . .65 <br />Cross Bracing Vertical <br />Member Connection .......66 <br />Two Bolt Connection. . . . . . .67 <br />Four Bolt Connection ......67 <br />Longitudinal Support <br />Beam Loading . . . . . . . . . . . .68 <br />Longitudinal Support <br />Beam Connection .........68 <br />Utility Service Protection. . . .69 <br />Overhead Utility Service . . . . 69 <br />