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F UNDATION AND SUPPORT REQUIREMENTS (Continued) <br /> <br /> TABLE 3. <br />PIER LOADING UNDER CENTERLINE BEAM <br /> DOUBLE-WIDE HOMES <br /> <br /> 20' WIDE HOMES 24' WIDE H~'~ES 26' & 28' WIDE HOMES <br /> Span Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load Pier Load <br /> Between (Lbs) (Lbs) (Lbs) (lbs) (Lbs) (Lbs) (Lbs) (Lbs) (Lbs) <br /> Columns 20 PSF 30 PSF 40 PSF 20 PSF 30 PSF 40 PSF 20 PSF 30 PSF 40 PSF <br /> (Ft.) Roof Roof Roof Roof Roof Roof Roof Roof Roof <br /> See Note Zone Zone Zone Zone Zone Zone Zone Zone Zone <br /> <br /> ~' 900 1200 1500 1080 1440 1800 "i'260 -- 1680 2100 .... <br /> 10 1500 2000 2500 1800 2400 3000 2100 28C0 350O <br /> ,-,-12 ....... <br /> ....... 1800 2400 3000 2160 2880 3600 2520 3360 4200 <br /> <br />14 2100 2800 3500 2520 3360 4320 2940 3920 4900__ <br />'T~ 2~90 3200 4000 ............. 2880 3840 4800 ~50 4480 5600 <br />, 18 2700 3600 4500 3240 4320 5400 3780 5040 6300 <br />20 3000 4000 5000 3600 4800 6000 4200 5600 7000 <br />24 3600 4800 6000 4320 5760 7200 5040 6780 8400 <br /> <br />NOTES: <br /> <br />I. Where a column is iocaled between two openings, sum the loads for eaorl opening to obtain the required pier Icad. <br /> <br />2. See Table 4 for minimum footing sizes based on pier loads and allowable soil bearing capacities. <br /> <br />3. The concentrated loads consists of roof loads only. <br /> <br />4 Pier locations at the marriage wall ar marked with paint or metal indicator straps, <br /> <br />5 Piers used side by sido Io obtain the required Icad is permissible (See Figure 5-4). <br /> <br />12 <br /> <br /> <br />