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Pole Foundation Per 2022 CBC <br />Design Criteria <br />bf =2 ft Diameter or diagonal dimension of footing <br />d =4 ft Depth of footing <br />h =11 ft Height above grade of application of load "P" <br />Af =3.14 ft2 Area of circular footing <br />qn =1500 psf Allowable net soil pressure at depth d <br />S3 =800 psf Allowable lateral soil-bearing pressure at depth d1 <br />Loading <br />W p =386 lb Gravity demand on pole footing <br />MW base =4176 lb ft Moment at finish grade <br />Peq =380 lb Equivalent lateral load at height "h" above grade <br />Footing Design OK <br />Depth <br />dreq = √(4.25*P*h/(S3*b)) =3.33 Ref. 2022 CBC Eq. 18-2 <br />Area <br />Areq = W p/qn =0.26 <br />1Increase for poles per 1806.3.4 <br />PROJECT <br />PROJECT NO. <br />ITEM <br />McGuff TI <br />Pole Foundation ENGINEER <br />DATE <br />SHEET NO. <br />2/14/2025 <br />C. Landis <br />S24-0154 <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH