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Beam and footing sizes Based on No.2 or better pressure treated Southern Pine with 40 Ib live load and 15 Ib dead load Post s acin 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' Southem Pine Beam 2-ac6 2-2x6 2-2x6 2-2x6 3-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x10 3-2x12 6' ------ -- 2 2x8----- 2-2x8 2-2x10 2-2x10 2-2x12 2-2x12 Eng Beam ---- --------------- --- ---- ----- --------- ------ --------- �----- --------- -- ------ --------- ---------- -- - --- ------------- - - ---- Comer Footing 6 5 4 7 €r 5 7 `6 5 8 7' 6 9 7 6 9 7 6 10;8; 7 10 8 7 10 9 7 11 9 8 11 9 8 Intertnediate Footing 9 8 7 10 $ 7 10 9' 7 11 .9 8 12 1d 9 13 14- 9 14 1t 10 14 12 10 15 i2'10 15 13:11 16 13 11 Southem Pine Beam 2-Dc6 2-2x6 2-2x6 3-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x10 3-2x12 3-2x12 7' ------------------------ - 2-2x8 _ _ 2 2x8 2 2x10 2-2x10 2-2x12 2-2x12 Eng Beam Eng Beam ------ ---- --------- - ---- --------- ---�-- -------------- --- ------ ------ ---- - - ---- ----- - -- Comer Footing 7 5 5 7 6` 5 8 7 6 9 `7` 6 9 8, 7 10 8- 7 10 8 7 11 9 8 11 9' S 12 i0', 9 12 '!f# 9 Intertnediate Footing 9 $ 7 10 $ 7 11 9 8 12 10' 9 13 11 9 14 '!1 10 15!2'10 15 93'11 16 13'11 17 14'12 17 14:12 Southem Pine Beam 2-�c6 2-2x6 2-2x6 3-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x12 3-2x12 3-2x12 8, 2-2x8 2 2x8 2 2x10 3-2x10 2-2x12 Eng Beam Eng Beam Eng Beam ----- - ---- ------------- - -- --------------- -- ---- --------- • -- --------------- - - -- -- --------- ---- -- Comer Footing 7 6 5 8 6 6 9 7` 6 9 $ 7 10 S 7 10 $ 7 11 9 8 11 9' 8 12 1t}` 9 1310 9 13 11 9 Intermediate Footing 10 8 7 11 9 8 12 1t? 9 13 11 9 14 9'I 10 15#2 10 1613 11 16 1�`12 17 i4 12 18 13 13 18 1513 Southem Pine Beam 2-Dc6 2-2x6 2-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x10 3-2x12 3-2x12 Eng Beam 9, 2-2x8 2 2x10 2 2x10 2-2x12 3 2x12 Eng Beam Eng Beam ----- ---------- --------- --------- -- -- ----- --------- --------- -------< -------- -------- ----------- ------ -- - --------- - ----- -- ---- ---- -- --- -- Comer Footing 7 6 5 8 7' 6 9 7 6 10 8 7 10 9 7 11 9 8 12 1�} 8 12 �0' 9 13 14 9 13 11_ 9 14 1'#10 Intermediate Footing 10 9 7 12 f0 8 13 1S� 9 14 1'1 10 15 12 10 16 13 11 17 14`12 17 14"12 18 15 13 19 75 13 20 1614 Southem Pine Beam 2-Dc6 2-Zx6 3-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam 10'- ___2-2x8 2-2x8 2-2x10 3-2x10 2-2x12 Eng Beam Eng Beam ----------------------------------------------------- ----------------- - -----------------------------------------------•-------------------------------------------------------------- ------------------ ComerFooting 8 '6'' 6 9 7' 6 10 8 7 10 S. 7 11 9 8 1210' 8 121tt' 9 13 1i 9 14 11 10 1412.10 15 12-10 Intermediate Footing 11 9` 8 12 1i1 9 14 ]1 10 15 12 10 16 13 11 17 14:12 17 14'12 18 "�3 13 19 16 14 20 1&14 21 17 15 � Southem Pine Beam 2-2x6 2-2x6 3-2x6 2-2x8 3-2x8 3-2x10 3-2x10 3-2u12 3-ac12 Eng Beam Eng Beam c _ - ------------------ 2-2x8 2-2x10 2 2x10 2-Dc12 3-2x12 Eng eeam Eng Beam d 11' --- -- ---- -------- ---- ---- ------- --••--- -------- --------- --------- ------ -------- ----------- ------- --- - --- - --- - ------- J Comer Footing 8 '7` 6 9 �' 6 10 8 7 11 �: 8 12 � 8 12 10" 9 13'!'i 9 14 11 10 14 12 10 15 1�10 15 1�11 y Intermediate Footing 12 '9'` 8 13 11 9 14 12 10 15'12 10 16 13 11 17 14'12 17"14 12 18'f513 19 1614 20 16 14 21 1�'15 � Southem Pine Beam 2-�c6 2-2x6 3-2xfi 3-2x8 3-ac8 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam Eng Beam 12, 2-2x8 2-2x10 2-2x10 2-2x12 EngBeam EngBeam ------ -- --- -------- - -�----- -- -- --------- ----------- -- --------- ------- -- - - - -- - ------ -- - - - ---- --- - -- - ------ - -- -- Comer Footing 9 7 6 10 8 7 10 9, 7 11 9, 8 12 1{}" 9 1310' 9 14 11 10 14 12 10 15 12 10 15 13 11 16 9�'11 Intem�ediateFooting 121D 9 14 19 10 151210 1613 11 1714'12 18'15'13 1916'14 20 1614 21 1715 22�l8-15 231816 Southem Pine Beam 2-2x6 2-2x6 3-2x6 3-2x8 3-2x10 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam Eng Beam 13' - ___,_____ 2-2x8 2-2x10 2-2x12 2-2x12 Eng Beam Eng Beam ------------- -- - ------- ------ ---- ----- ---------- - ------ --------- --------- -- ------ -------- - ---- --------------- --- -- -- -- --- -- --- Comer Footing 9 7 6 10 8 7 11 9 8 12 10 8 13 10 9 13 14 9 14 42 10 15 i2 10 15 13 11 16 13 11 17 14 12 Intem�ediate Footing 131£� 9 14 12 10 15 13 11 17 14'12 18'{5 13 191513 20'�6 14 21 1715 22 18 15 23 19 16 24't8'17 Southem Pine Beam 2-�c6 2-2x6 3-2x6 3-2x8 3-2x10 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam Eng Beam 14' - 2-2x8 2-2x10 2-2x12 2 2x12 Eng Beam Eng Beam ------ ---------------------- --------- ---- ----- --------- - --- -- ------ --------- --------- ---- ------- --------- ------------ -- ---- --- ----- - --- Comer Footing 9 f3 7 10 $ 7 11 � 8 12'tt1 9 13 il' 9 14 11'10 15 1 10 15 13 91 16 13 11 17 1�12 17 9412 Intem�ediate Footing 13 11 9 15 12110 16 13 11 17 14 12 18 1513 20 16 14 21 4�,15 22 t$15 23 18 16 24 43°17 24 2{l'17 Southem Pine Beam 2-2x6 3-2x6 2-2x8 3-2x8 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam Eng Beam Eng eeam 15' - 2 2x8 2-2x10 2-2x10 2-2x12 Eng Beam Eng Beam ------------------------------- ----- -- ---- ----- --------- ---------- - ----- - ------ -------- -------- ------. ------------.. . --- --- --------- ---- ------------ -- ComerFooting �f� �� a 11 9 8 12 10 8 13 t0 9 14 i1'10 141210 151�,11 16 13:11 171412 171412 18 1�'13 Intermediate Footing 15 12 11 17 14 12 18 1'S 13 19 1�'14 20 17 14 21 1 :15 22 18-16 23 19 17 24 2fl 17 25 21 18 Southem Pine Beam 2-2x6 3-2x6 3-2x8 3-2x8 3-2x10 3-2x12 3-2x12 Eng Beam Eng Beam Eng Beam Eng Beam �s� 2 2x8 2 2x10 3-2x10 2-2x12 Eng Beam Eng Beam - -- --- -- -------• ---- ----- --------- -------- --------- ------------- -- -- ---- ----� ---- ----- --------- ---------- - - - --- ------•------ Comer Footing 10 8 7 11 9 8 12 i0 9 13 �f'S 9 14 1f 10 15 32 10 16 1 11 16 13 12 17 14 12 18 1513 18 1 r 13 Intermediate Footing 14 1'1 10 16 13-11 17 1+#112 18 15`13 20 16'14 21 '#7'15 22 1 16 23 1816 24 2fl 17 25�t'118 26�i 18 Notes: 1. Joist length is total length of joist,including any cantilevers. 4. Footing sizes may need to be adjusted depending on project. 2�en joist extends(cantilevers)beyond support beam by 18 5. Footings must be a minimum of 12"thick. fi All footin s¢es above are base diameters in CLAY inches or more,add 1 inch to footing dimensions shown. 9 (� inches)and are listed for THREE SOIL TYPES: SAND 3: Requirements for future 3-season porches or screen porches: a, Increase corner footing size shown by 90%. I I��L b. Increase center footing size shown by 55%. """""""""'""""""""""-" -"-'"""-'" -' Comer Footing 10 '8 7 c. Locate all footings at extremities of dedc(no cantilevers). Intermediate Footing 14 11 10 d. Beam sizes indicated may need to be altered.