Laserfiche WebLink
Project: Everett HVAC <br />Project No: 32456 <br />Title: Rooftop support structures <br />By: BD <br />Date: 7-Sep-16 <br />Ref: NDS 2012 - ASD <br />Unit MUA-1 <br />Unit properties <br />L, curb 65.5 in <br />B, curb 50.5 in <br />Raw weight 1350 Ib <br />Est. curb weight 50 Ib <br />Est. support wt 215 Ib <br />Impact 20 % <br />Tota I wt 1885 I b <br />Support properties <br />L, support 70 in <br />B, support 55 in <br />b, section 5.5 in <br />d, section 5.5 in <br />OWJ spacing 48 in <br />L, cantilever 22 in <br />Wt, cantilever 59Z Ib <br />Wt per support 296 Ib <br />Wt, simply supported 1293 Ib <br />Wt, per support 646 Ib <br />Wt/in, ss 13.5 Ib/in <br />Support capacity - cantilevered portion <br />b 5.5 in <br />d 5.5 in <br />Lu 22 in <br />Le factor 1.87 <br />Fb 1000 psi <br />Ft 675 psi <br />Fv 180 psi <br />E 1700000 psi <br />Emin 620000 psi <br />G 0.5 psi <br />Cd 1 <br />Input <br />IBC recommendation for light machinery <br />heavy end simply supported between OWJ <br />length between braces <br />cantilever with concentrated load <br />�1 Douglas Fir - Limback Lumber supplier <br />�� <br />