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� <br />CLIENT AIDCO <br />PROJECPAY N SAVE: 5-OI26 <br />CALCULATIONS SCHEME I- PENETRATING <br />VERTICAL ANTENNA ROOF MOUNT <br />JOB }` 3435.00(X) <br />SHEET I.b OF <br />MADE SY��DA'Y�E�$�7 <br />CHECKED p2c DATE L•ZI-69 <br />LATERAL FORCE ACTING PERPENDICULAR TO BEAM <br />M(L) = 0 <br />14.5 B= FWx ( 50.5 + 14.5 ) <br />B= 3642. < 8.8 x 4= 35.4 KIPS OK <br />14.5 B = P'Wx ( 50.5 ) <br />B= 2829. < 8.8 x 2= 17.6 KIPS OK <br />CHECKING COMPRESSIQN TO GRAIN <br />USING TWIYE THE EDGE DISTANCE OF 1-1/4 IN' <br />��_ �axi.zs)x��+�2xi.zs)7-(o.aais)= 2z.e� zx-z <br />COMP= 3641. /22.87= 159. < 385X 1.33= 512 PSI OK <br />MAX IAAD TO 2x4 KNEE BRACE (EACH SIDE) <br />F't= Ft x CD x CM x CW <br />Ft= 625 lb <br />CD= 1.33 <br />CM= 1.�0 <br />CW= 1.00 <br />F't= 831 <br />AREA= 5.25 in"2 P=282° /2 = 1415 <br />REQ. A= P/F�t= 3.40 in"2 <5.25 in^2 OK <br />