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<br />DUNDATION AND SUPPORT REQUIREMENTS (Continued) <br /> <br />TABLE 2 <br />PIER LOADING UNDER MAIN I-BEAMS <br />DOUBLE-WIDE HOMES <br /> <br /> 20'WIDE HOMES 24' WIDE HOMES 26' & 2S'WIDE HOMES 32'WIDE HOMES <br />Pier Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load <br />ipacing (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) <br />Under 20 PSF 30 PSF 40 PSF 20 PSF 30 PSF 40 PSF 20 PSF 30 PSF 40 PSF 20 PSF 30 PSF 40 PSF <br />Main Roof Roof Roof Roof Roof Roof Roof Roof Roof Roof Roof Roof <br />.Beams Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone Zone <br />(Ft.) <br />4 1810 2060 2170 2100 2390 2560 2360 2630 2940 2680 3000 3320 <br />5 2270 2580 2710 2630 2980 3190 2950 3350 3670 3350 3750 4150 <br />6 - 2720 3100 3260 3150 3580 3830 ( 3540 4020 4410 ) 4020 4500 4980 <br />7 3170 3610 3800 3680 4180 4470 41;:lU 40l::l0 5140-- - 4690 5250 5810 <br />8 3630 4130 4340 4200 4770 5110 4720 5360 5880 5360 6000 6640 <br />9 4080 4640 4880 4730 5370 5750 5310 6030 6610 6030 6750 7470 <br />10 4540 5160 5420 5250 5970 6380 5900 6700 7340 6700 7500 8300 <br />l. Per Foot 454 516 542 525 597 638 590 670 734 670 750 830 <br />ee Note 5 <br /> <br />ITES: <br /> <br />See Table 4 tor minimum tooting sizes based on pier loads and allowable soil bearing capacities. The tooting sizes and <br />pier loads are minimums required tor the applicable conditions. The tooting shall not be smaller than the pier it supports <br />or 144 square inches. <br /> <br />The maximum spacing ot supports is not to exceed 10 teet. <br /> <br />Where it is impractical to maintain spacing, such as in the axle area, the average at the distance to each adjacent <br />support may be used to determine support requirements: tor example: it the distances to the adjacent supports were <br />6'-0" and 8'-0", the average spacing would be 7'.0". <br /> <br />6'.0" 8'.0" <br />1< >1< >/ <br />1 1 1 <br />Pier A Pier B Pier C <br /> <br /> <br />The average spacing for pier B would be (6 + 8) J 2 = 7 ft., therefore, <br />pier B would be designed tor 7 ft. pier spacing. <br /> <br />Concentrated loads at marriage line (see Table 3). <br /> <br />The last line in the above Table is the weight per foot each main I-beam is carrying. Multiply this number by the span <br />a pier is carrying to determine the required capacity ot that pier. <br /> <br />." <br /> <br />11 <br />