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Install Footings <br /> Will footings be concrete? <br /> 110. YES,go to STEPS, SIZE FOOTING, (p. 31). <br /> I. NO,see footing system manufacturer's instructions,then go t0 Set <br /> the Home(p 38) <br /> STEP 5. SIZE FOOTINGS j <br /> Once the load on the footing and the soil bearing capacity are known, calculate the size <br /> of each footing as follows: <br /> 1. From Table 9 determine if the pier is to be of single stack blocks(8 inch x16 <br /> inch)or double stack blocks(16 inch x 16 inch). <br /> 2. Locate the group of columns in Table 10 with the soil bearing capacity deter- <br /> mined in Prepare the Site,STEP 5.DETERMINE SOIL BEARING CAPACITY <br /> AND FROST LINE(p. 17). Use the next lowest value if the exact value does <br /> not appear. <br /> 3. Find the row corresponding to the pier capacity required by Tables 5,6 or 7. <br /> Then, read across the table to determine the minimum required footing area for <br /> the corresponding pier capacity and soil bearing capacity. <br /> 4. The required footing size and pier capacity may be changed by selecting differ- <br /> ent <br /> support spacing <br /> TABLE 9.PIER CONFIGURATION <br /> Maximum load Ohs)Pier Confi- Height Configuration <br /> guration Without With <br /> Mortar Mortar <br /> Single Single stack blocks with long side <br /> Stack Less than 36 in. perpendicular to frame I-beam or 5,760 7,680 <br /> parallel to perimeter rail(rim joist) <br /> Doubts 67"Max. Double,interlocked blocks 11,520 15-360 ' <br /> Stack <br /> Triple 67"Max. Triple,interlocked blocks 17,280 23,034 <br /> Stack <br /> Double 108'Max.'• Double,interlocked blocks NA 39,500 <br /> Reinforced <br /> •Single stack piers may be constructed up to 54" max. height only when installed as pe- <br /> rimeter and marriage line support piers. <br /> "Cross reference maximum allowable pier height with maximum floor height listed in <br /> frame tiedown charts. If maximum height listed in frame tiedown charts is exceeded then <br /> designs must be provided by a registered professional engineer or registered architect. <br /> � ‘10)111‘�," p,l1NI<<�i�i. <br /> fz 3 io.,.. -. , 1 <br /> 0. <br /> _ , .. .,_ , .,, <br /> __. <br /> ... . <br /> ... . <br /> '*' (1,FF <br /> __ _.__ <br /> 31 <br />