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<br />The information in these tables can be used to <br />determine the vertical member size necessary to <br />support a given manufactured home installation. <br />Based on the wind and roof live loads, manufac- <br />tured home width, and total member length <br />including any scour considerations. the vertical <br /> <br />member capacity is provided and the size of ver- <br />tical member chosen. <br />Based on the support spacing, wind and roof <br />live loads, manufactured home width, and chassis <br />I-beam spacing, a vertical member load is chosen <br />from Table 4.10. Based on the length of the ver- <br /> <br />Table 4.13 <br /> <br />VERTICAL MEMBER CAPACITY (pounds per member) 1 <br /> <br />Wind Design = 15 psf <br />Home Width = 12 feet <br /> <br /> Vertical Member Diameter (in.) <br /> Square3 Round4 <br />Length2 <br />( ft .) 4 6 8 10 12 4 6 8 10 12 <br />1 2250 7477 16576 29925 47750 2065 6161 13084 23144 36548 <br />2 1319 4660 10844 20364 33572 1189 3731 8262 15142 24645 <br />3 933 3384 8058 15433 25886 834 2675 6037 11251 18590 <br />4 720 2657 6411 12425 210 64 642 2085 4756 8951 14924 <br />5 585 2187 5323 10398 17756 522 1708 3924 7432 12465 <br />6 492 1855 4550 8939 15346 4'39 1445 3339 6354 10702 <br />7 423 1611 3969 7840 13512 378 1253 2906 5549 9376 <br />8 368 1422 3521 6981 12069 331 1105 2570 4924 8342 <br />9 324 1272 3162 6284 10905 293 988 2304 4427 7514 <br />10 289 1148 2869 5717 9946 262 892 2088 4016 6835 <br />11 260 1045 2624 5242 9130 237 813 1908 3677 6269 <br />12 -236 956 2416 4840 8444 216 745 1756 3390 5783 <br />13 216 877 2238 4493 7853 198 687 1626 3144 5370 <br />14 199 809 2082 4191 7337 183 635 1513 2931 5012 <br />, 15 - 751 1944 3926 6885 169 591 1414 2744 4698 <br />16 - 700 1820 3691 6483 158 551 1326 2579 4420 <br />17 - 655 1706 3481 6124 - 517 1247 2432 4173 <br />18 - 615 1605 3291 5802 - 486 1174 2300 3952 <br />19 - ,579 1513 3119 5510 - 458 1109 2181 3752 <br />20 - 547 1431 2960 5245 - 434 1050 2072 3570 <br /> <br />1 Maximum capacity limited to bearing capacity of soil; i.e., if soil capacity is 4000 psf, <br />that becomes the limiting factor in determining configuration or end bearing area must <br />be increased. <br /> <br />2Length is determined as total height above and below grade with depth of embedment <br />greater than or' equal to the height above grade but not less than six feet plus the <br />addition of scour depth as previously discussed. ' <br /> <br />3Rough dimensions. Nominal dimension will be 1/2 inch hiss per side on square posts. <br /> <br />4Rough dimension as diameter of round member. <br /> <br />54 <br />