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Install Footings <br /> DOOR OR OPENING LESS COMBINED SPAN{A+B} <br /> THAN 48 IN.IN WIDTH - W Figure 8A. Typical marriage <br /> line support locations for <br /> 1 RIDGEBEAM homes not requiring perime- <br /> I' p � T.-_ - ter supports <br /> _ LSPAN <br /> COLUMN POST OR WALL,LESS THAN 16 IN.IN WIDTH <br /> C , SPAN B SPAN A <br /> --- -- --- -L. — <br /> �- <br /> N <br /> --T MAII-BEAM ..IL' <br /> f <br /> FOOTING FOOTING FOOTING FOOTING <br /> SIZED FOR SIZED FOR SIZED FOR SIZED FOR <br /> SPAN C PER SPAN B PER SPAN A+B SPAN A PER <br /> TABLE 5 TABLE 5 PER TABLE 5 TABLE 5 <br /> CALCULATE LOADS <br /> Use Tables 6-6c to determine the loads on frame supports. Find the chart with the ap- <br /> propriate sidewall eave overhang.Then, find the column with the appropriate roof load <br /> zone and section width. Find the row corresponding to the selected support spacing. <br /> The number in the intersecting cell is the load. \�`��� iii i i i i 44 f`, <br /> Loads on all frame supports can be assumed to be equal if support spacing is equal. \ G Ai <br /> . Q� <br /> However, if different support spacings are used then each support with a different spec- ;`• E!ti0/. <br /> ing should be calculated separately. 'S 0�• �x j <br /> Loads for piers installed at 5, 7 and 9 feet on-center can be estimated by adding the ` -i. , <br /> •� AGAtCU), E <br /> loads for the higher and lower spacing and dividing in half(eg. the load for piers in- r • ( ii <br /> stalled at 7 feet on-center for a 16 wide with a 1-1/2"overhang in a 20 psf Roof Load <br /> Zone would be:4510 lbs+5666 lbs= 10176 lbs/2=5088 Ibs). _ •,ice.• l <br /> Note the location and load required of each support on the sketch. '1�� '•; p 9 Atikc �,: `�� <br /> (Width listed in each column of the following charts is the overall width of the home. Eg. i�i��••................� 0 �\�� <br /> 16 ft is a single section,32 ft is a double section and 48 ft is a triple section), i/idr, l)II '' <br /> ti�� <br /> TABLE 6.LOAD ON FRAME PIER FOOTINGS FOR HOMES NOT REQUIRING PERIMETER BLOCKING EXCEPT AT OPENINGS(LBS) <br /> Roof Load Zone and Max.Home Width(1-1/2"Max.Sidewall Eave Overhang) <br /> Soot!)(20 pit) Middle(30 pit) North 140 p:tl <br /> Pier Spacing 10 ft 12tt 14 ft 16tt 18ft 10 I 14ft 16 It 18tt 10 ft 12ft 14 ft 16 ft 18 ft <br /> Up to 4' 2195 11-4 2843 3140 341G 2400 2764 3128 3462 3765 20?" 3009 3413 3783 4120 <br /> >4'to 6' 3093 3579 4065 4510 4915 3400 3946 4492 4993 5448 3708 4314 4920 5475 5980 <br /> s 4'1n s7 3990 4638 5286 5666 6420 4400 5128 5856 6523 7130 4810 5618 6426 7167 7840 <br /> >8'1r>10' 4888 5698 6508 7250 7925 5400 6310 7220 8054 8813 5913 6923 7933 8858 9700 <br /> TABLE 6a.LOAD ON FRAME PIER FOOTINGS FOR HOMES NOT REQUIRING PERIMETER BLOCKING EXCEPT AT OPENINGS(IBS) <br /> Roof Load Zone and Max.Home Width(6"Max.Sidewall Eave Overhang) <br /> South(20 psf) Middle(30 psf) North(40 psf) <br /> Pier Spat in I0 ft I7fr 14ftt if>ft lit II - '14tt %It • III ft 17II IA ft dirt IRII <br /> up to 4' 2240 2564 2888 3185 317 2460 2824 3188 3522 3825 2680 3084 3488 3858 4195 <br /> >4'to 6' 3160 3646 4132 4578 4983 3490 4036 4582 5083 5538 3820 4426 5032 5588 6093 <br /> >6't t,9' 4080 4728 5376 5750 6510 4520 5248 5976 6643 7250 4960 5768 6576 7317 7990 <br /> >8'to, 5000 5810 6620 7363 8038 5550 6460 7370 8204 8963 6100 7110 8120 9046 9888 <br /> �o. ..-a- ------ _ __..._..w_.__.__._. <br /> 24 <br />