3102 RUCKER AVE 2017-07-10 - Laserfiche WebLink

� Scope of work is for the design of the sign poles and the foundation. See following pages for structural notes. LOADING: WIND: ASCE7-10 110 MPH,EXP�B (3 second gust) MAXIMUM HEIGHT,h= 23.00 ft K1= 0.00 (ASCE 7-10 Figure 26.8-1) Gust Factor,G= 0.85 K2= 1.00 (ASCE 7-10 Figure 26.8-1) F=qz*G`Cf 0.6:(al/owableJ K3= 1.00 (ASCE 7-10 Figure 26.8-1) Kz qz F(psfl h Kzt= 1.00 (ASCE Eqn.26.8-1) 0.57 15.01 = 13.2 0-15 ft Kd= 0.85 (ASCE 7-10 Tab/e 26.6-1) 0.62 16.32 = 14.4 15-20 ft Cf= 1.73 (ASCE 7-10 Figure 29.4-1) 0.64 16.96 = 14.9 20-23 ft s= 15.00 ft B= 6.09 ft s/h= 0.65 0.2B= 1.22 ft B/s= 0.41 �� /�" x= 6.76 ft(o-c dist.btwn.poles) � � F1 = 68% of load to single pole due to 20%wind offset FORCES: Width Height to Height to Area Wind load Force Height to Moment bottom(ft) top(ft) (sq.ft.) (ps� (Ibs) center(ft) (ft-Ib) � 7.43 20.00 23.00 22.28 14.9 333 21.50 7160 i 7.43 15.00 20.00 37.14 14.4 534 17.50 9345 7.43 8.00 15.00 51.99 132 687 11.50 7901 �i � 1.33 0.00 8.00 10.67 132 141 4.00 564 �" 0.00 0.00 0.00 0.00 0.0 0 0.00 0 £= 1695 E= 24970 ? SIGN POLE: (Double Pole) 'I il Try a HSS Pi e 8X8X3/16 sign pole Fy= 46000 psi I I Z= 15.70 i�3 Mc= 36038 ft-Ib - M= 16980 ft-Ib=24970*0.68 36038>16980 OK � H5� 8�s��" � �, (Mird.), ri�P. Use the HSS 8X8X3/16 sign pole � � � � R7 I I 'r _-'_..-'-. --II - ._1.. . . .,�� �n��_. _� L� . , �J,-�,� I 3'-��„ �Q. St�. �' � �I��I ELE`�JATIUi��l FOUNDATION CHECK: -J -- --- --- - � rn�; Mnet= 14.160 k-ft Applied moment from slgn minus M,�; P= 1.153 k Applied lateral force h�E„e�,;�e�= 12.29 ft distance from ground surface to P q= 300 psf/ft allowable soil-6rg,q=2(150)=300' Footing shape: Rectan ular b= 3 ft (in the plane of the page) L= 3 ft (into the page) b= 4.24 ft diagonal dimension of a sq.footing d�es,;ma�zd�= 5.00 ft ESTIMATED embedment,ft 5.00 for pressure Unconstrained Condition volume of concrete= 1.7 yd S_1 = 500 psf q'd_est/3 footing wt= 6.8 k A= 127 ft 2.34*P`1000/(S_1'b) sign wt= 1.12 k d= 4.81 ft A/2*(1+(�+4.36*h/A)^.5) Total wt(DL)= 7.87 k 4.81 <5'OK eccentricity of load to reaction(e)= 0.36 ft=2.82/7.87 maximum resistive moment available based on soil bearing,N}es = 2.82 ft-k Use 3'-D"square x 5'-0"deep 2500 psi concrete footing at each pole 9570 SW Barbur Blvd Project Name Pylon Sign Project# 161075 Suite One Hundred = Portland,OR 97219 Location 3102 Rucker Avenue, Everett, Washington Client Ramsay Signs M I L L E R phone 503.246.1250 C 0 N 5 U LT I N G Fax 503.246.1395 B�S � 8/24/16 1 of 3 www.miller-se.com gY Ck'd Date Page _ ENGINEERS '�,=o��f�'- ,r ;