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Yellowgate Corporate Hangar 4 with IIB Construction <br /> Allowable Area Calculations <br /> August 24,2013. [Rev 10-18-13) <br /> Areas and occupancies per OSSC 2010 Code. <br /> Note:Hangars are S-1 per OSSC 2010. <br /> Hangar 1st floor area occupancy mezzanine occupancy <br /> YGCH3 9,677 5-1 <br /> YGCH3 <br /> (future mezz) 2,360 B <br /> totals 9,677 2,360 <br /> By occup: 9,677 5-1 80.4% <br /> 2,360 B 19.6% <br /> total 12,037 <br /> Determine Allowable Areas for different Occupancies <br /> Aa S-1 17,500 <br /> Aa B 23,000 <br /> Section 506.2 <br /> w=(80'118+32.82+80'118+5*82)/(118+82+118+82) <br /> w= 54.8 yyy <br /> w/30= 1.8 OK per 506.2.1 Exception based on 507.3 <br /> F/P=(82+118+82)/(82+118+82+118) <br /> F/P= 0.105 <br /> therefore <br /> If= 1001(F/P)-.25)"(w/30) <br /> If= 0.831 <br /> Is= 0 no more than one story above grade <br /> Section 506.1 <br /> Aa=At'(1+If+ls) <br /> (1+If+ls)= 1.831 <br /> therefore <br /> allow area actual area %occupancy <br /> Aa 5-1= 32,041 9,677 30.2% <br /> Aa B= 42,111 2,360 5.6% <br /> total 12,037 35.8% <100%ok <br /> 505.1 mezz does not count toward area or number of floors or height <br /> Table 508.4 does not require any separation between 51 and B <br /> This analysis is based on 508.4.2 with knowledge that no separation actually <br /> required between 5-1 and B. <br />