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ENGINEERS -NORTHWEST, INC. P.S. <br />SHEET OF_ <br />Q/,, <br />6869 WOODLAWN AVE. N.E. (SUITE 205) <br />SEATTLE, WA.98115 <br />••• fror,prty of rn0inet're <br />iinrtb et, tnr., wattle - ure by others unlawful •" <br />*MERICAN SOCIETY OF CIVIL ENGINEERS <br />MND LOADS PER ASCE 7.02 Section <br />6.0 - Method 2 - LowRiseBuildings <br />INPUT CELLS - <br />(Shadr dl <br />PROJECT NUMBER. <br />80059005 <br />PROJECT NAME, <br />Everett Industrial Park <br />LOCATION. <br />DESIGN BY. <br />W <br />PROGRAM LIMITATIONS. <br />1.) The building height MUST NOT exceed the length nor 'dih (a rigid structure) <br />2.) The building MUS£NOL exceed 60 feet In helgh!. <br />3.) The roof slope MAST NOT exceed 45 degrees. <br />BUILDING AND SITE INFORMATION <br />INPUT <br />BUILDING WIDTH, B = <br />195.00 ft. (PARALLEL TO RIDGE) <br />BUILDING LENGTH, L - <br />758.0011. (PERPENDICULAR TO RIDGE) <br />L'LDG. EAVE HEIGHT, he = <br />27.00 R. <br />BLDG. RIDGE HEIGHT, fir = <br />29.00 ff. <br />ROOF SLOPE, s = <br />0.25 In.lfl. Roof slope - 1.1936 <br />degrees <br />HEIG`IT OF PARAPET, hp = <br />00 e. u I (T n' 1010 W) <br />Importance Factor • I <br />WIND VELOCITY, v = <br />85 mph (3 second gusts only !ll') <br />Category <br />Importartaf <br />SITE EXPOSURE = <br />C Sedan 6 5 6 3 <br />Table 1-S 4 <br />Fsctw Tale 6-1 <br />IMPORTANCE FACTOR, I = <br />1.00 See table to the right <br />II <br />1 00 <br />IC TOPOGRAPHFACTOR, KZt - <br />1.00 Figure 6-4 6 Eq 6-3 <br />Ill 6 IV <br />1 15 <br />DIRECTIONALF Y FACTOR, Kd - <br />0.85 For this Kd you MUST use ASCE load combinations in Sec 2 3 8 2 4 <br />Building internal pr assure condition = <br />ENCLOSFD Determines GCpi in Figure 6-5 <br />Note.- III = Public Assembly Won Hazardous <br />' ( See %SCE 7 Section 6 2 for definitions of Enclosure ClassifraWns) <br />Substance 8 IV - Essential Fecddy <br />OUTPUT <br />MEAN ROOF HEIGHT, hmr - <br />28.00 It. <br />LIB = 3 89 <br />DESIGN HEIGHT, hd - <br />27.00It. (WIND PERPENDICULAR TO RIDGI <br />BIL - 0.26 <br />DESIGN HEIGHT, hd = <br />29.0011. (WIND PARALLEL TO RIDGE) <br />hmrlB - 0.144 <br />Deslgr height for (qh) - <br />27.0011. <br />hmrA. - 0.037 <br />MAIN WIND-FORCL RESISTING SYSTEM IMWFRSj <br />FROM ASCE 7 Fgure 6.5 <br />( Input From -"Building internal pressure conddbn" above) <br />INTERNAL PRESSURE <br />COEFFICIENTS - GCpi <br />ENCLOSED- 0.18 <br />.018 <br />KZ - 0.9607 <br />qh = 0.00256 KZ Kzt Kd Vz I (Eq, 6-15) <br />qh- 15.10 psi Q EL.27 S. <br />Section 6 5 12.2.2 Low -Rise Buildings <br />p=gh)(GCpp-(GCpi)I (Eq.6.16) <br />Case A - Perpendicular to ridge <br />Zone <br />GCof <br />Load <br />1 <br />0.40 <br />6,04 psi <br />2 <br />.0.69 <br />A0.42psi <br />3 <br />-037 <br />-5.59Pat <br />4 <br />.0.29 <br />4.38 psi <br />5 <br />-0.45 <br />-6.80 psi <br />6 <br />-0.45 <br />.6,80 psi <br />I <br />0.61 <br />9.21 psi <br />2E <br />.1.07 <br />.16.16 psi <br />3E <br />-0.53 <br />-0.01 pat <br />4F <br />-0.43 <br />.6.49 psi <br />Windward Parapets = 24 02 psi <br />Le wdrd Parapets = -14.68 psi <br />A= 10 B08 <br />2a = 21 60 8 <br />Case B - Parallel to ridge <br />Zone GCpf__� <br />1 <br />2 <br />3 <br />0.40 <br />.0.69 <br />-0.37 <br />6.04 psi <br />-10.42 psi <br />-6.59 psi <br />4 <br />429 <br />-4.38 psi <br />5 <br />-0.45 <br />.6,80 psi <br />6 <br />-0.45 <br />-0 80 psi <br />I <br />0.61 <br />9,21 psi <br />2E <br />.1.07 <br />-16.16 psi <br />3E <br />-0.53 <br />-8.01 psi <br />4E -0.43 -6.49 psi <br />Intemal pressure = ♦I- 2 72 psi <br />NOTE - Internal pressure for the main frame cancels <br />when Zones 1 8 4, 1 E 8 4E, 5 8 6 and 5E 6 <br />6E are combined but adds or subtracts of <br />Zones 2, 3, 2E and 3E that do not have <br />directly opposing frame bads <br />t 27R005 <br />New wind <br />l,I <br />