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HomeMy WebLinkAboutMiscellaneous - Exception (31)Kanayo Lala, P.E. .............03/03/2014 PROJECT: Merrimack Condominiums F -TYPE EE -Compass Point, N Andover, MA DESIGN FOR - GIRDERS/JOISTS /RAFTERS Attic Beam A3 Suimortinq Attic Floor LOADS: DEAD LOAD 15.00 PSF 153.75 PLF Ce= 1 CF= 0.98 SNOW LOAD PSF 0.00 PLF Cq= 1 Cs= LIVE LOAD 30.00 PSF 307.50 PLF qs= 29.10 Cd= 1 TOTAL LOAD 461 PLF 1= 1 Cm= 1 WIND SPEED 100 MPH 29.10 PSF POINT LOAD LBS FT Ra= 0 LBS 4209 LB =TOTAL REACTION TRIBUTARY WIDTH 10.25 LF E= 2000000 PSI JOIST/GIRDER SPAN 18.25 LF Fb= 2900 PSI WIDTH- IN 3.50 PSULVL 14 IN = d Fv= 285 PSI ROOF PITCH - N:12 = Fc-- 2700 PSI Fcp= 750 PSI MOMENT= 19203 LB -FT MOMENT2= 0 LB -FT 114.33 =S provided OK S= 79.46 IN^3 760.25 = I Deflection = 0.757 IN = U 289 For Total Load Required U240 Deflection2 = 0.000 IN = U 434 For Live Load Required U360 Fcp'= 401 PSI OK 3.00 In Bearing Length Fv'= 129 PSI OK VAMYO H. LMA No. 337140