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'ECTOE <br />nein EERS <br />JOB NO.: L0053-075-131 DESIGNED: DHF <br />DATE: 12/17/13 CHECKED: <br />SHEET 12 OF <br />PROJECT: MONUMENT SIGN <br />DESIGN WIND PRESSURES FOR SOLID FREESTANDING WALLS & SOLID SIGNS: <br />SUBJECT: DESIGN WIND PRESSURES <br />0 . 0 <br />LOCATION: rMON¢tMENT'SIGN '7 1 --- <br />h = 1- 7 ·ft (wall/sign height)a = 9.5 (exposure constant) <br />s =; 7 n (vertical dimension of wall/sign)ze= 900 n (exposure constant) <br />Kz = 0.85 (velocity pressure exposure coemdent) <br />V = 90 mph (wind speed)Ka = 1.0 (topographic factor) <br />Exposure = C (wind directionality factor)Kd = 0.85 <br />1 = 0.87 (importance) <br />C=Ll.00.(ratio of solid area to gross area)9..13.0 psT (velodty pressure) <br />6- 1.0 (reduction factor for openings)G = 0.85 (gust-effect factor) <br />sm=1.00 (clearance ratio) <br />0.8 (reduction factor for s/11> 0.8) <br />Wall Label: -2 1 <br />Wail Length, Return Comer- B (ft)'-- -Length,-17(ft) =I <br />7.5 ,2.5 <br />_B/s_ Lds <br />1.07 0.4 <br />Cases A&B - <br />Force Design Wind . Consider_| Return Corner <br />-Coefficlent,-C, 1 'Pressure,-p-(paf)-- - Case-C-1--Reduction,·rF <br />I 1.45 I . 17.6 NO I 1.00 <br />CaS3 C <br />Region._ Stan B (ft). _End B.(ft) <br />Region 1 <br />Region 2 <br />Region 3 <br />Region 4 <br />Region 5 <br />Region 6 <br />Region 7 <br />Force Design Wind <br />-Coefficlent, C, -Pressure, p (psn - <br />4- I .·