Laserfiche WebLink
ECTOR <br />InEERS <br />JOB NO.: L0053-075-131 DESIGNED: DHF <br />DATE: 12/17/13 CHECKED: <br />SHEET 5 OF <br />PROJECT: MONUMENT SIGN SUBJECT: LATERAL LOAD SHEET <br />Occupancy Category; * 11 <br />LATERAL LOADS FOR DESIGN OF CANTILEVERED Seismic Design Category: ' D , See below <br />COLUMN SIGN STRUCTURES Wind Speed Vas (mph): 60 ; <br />Internal Press. Coeff.=1.00 Exposure: C : <br />Seismic :(Equivalent static force method) <br />Site Class: D <br />R=; 1.25 <br />1.386 ' <br />Sl=0.497 <br />Fa=1.00 <br />FV= 1.50 <br />- SMS= 1.39 <br />...Sw== r. 0.75__- <br />SDS 0.924 <br />Sm= 0.498 <br />Determination of Seismic Design Category per: <br />D <br />D <br />Is = 1.00 <br />N= 1 <br />CT 0.02 <br />hn (ft)= 15 (to highest level) <br />x= - 0.75 <br />T= 0.18 <br />To= 0.11 <br />TS= 0.54 - <br />CUE 1.20 --· <br />TJ 8 <br />Sa= 0.924 |E = 1.00 <br />CSMAX= 2.178 <br />Cs= 0.739 CSCONTROL= 0·739 <br />CSMINI 0·010 CSCONTROL/1.4= 0.528 <br />DESIGN WIND PRESSURES FOR PARAPETS:(Per ASCE7-05, Section 6.5) <br />t.o. parapet elev = . -24 ft. a <br />Zg <br />P = qp(GCp- GCpi)(Eq. 6-24) Kz <br />qp = 0.002561<zlit'<\/21 Kzt <br />qp =16.5 psf K <br />P=14.9 W Gep <br />Gepi <br />= 9.5 (exposure constant) <br />= 900 ft (exposure constant) <br />= 0.94 (velocity pressure exposure coefficient) <br />= 1.00 (topographic factor) <br />= l.0.85 (wind directionality factor) <br />= 1.00 (importance factor) <br />= 0.90 (external pressure coefficient) <br />=; .0.00 (internal pressure coefficient) <br />SIGN DEAD LOAD: 7 10 - psf <br />SEISMIC PRESSURE:5.3 psf <br />WIND PRESSURE:14.9 psf WIND CONTROLS <br />D:\Server\Projects 2013\L0053 National Sign\L0053-075-131 Santa Ana\calcs\10WINDSEISMICLat Load Sheet