Laserfiche WebLink
P1.8 <br />OC Probation <br />1700 East Saint Andrew Place, Santa Ana, California 92705 <br />23-12434 <br />07/24/2024 <br />LR <br />CATWALK FRAMING DESIGN: <br />Key Plan: <br />DL=15psf <br />LL=65psf <br />Catwalk length = 72ft <br />Catwalk width = 4ft <br />Seismic system for option 2: <br />Out-of-plane is taken by (4) full height posts that would <br />transfer load to S.O.G and diaphragm respectively. <br />Seismic check: <br />Fp = (0.4 ap SDS Wp) (1 + 2 z/h) / (Rp / Ip) <br /> = (0.4 x 1 x 1.018) (1 + 2 x 19' /38') Wp / (1.5/1) <br />Fp=0.543Wp <br />Fp,min= 0.3SDS Ip Wp = 0.305Wp <br />Fp=0.543Wp <br />Design of B1: <br />L=28', Trib = 4'/2 = 2' <br />WDL = 15psf x 2' = 30plf <br />WLL = 65psf x 2' = 130plf <br />Seismic: <br />Fp=0.543Wp = 0.543 x 30plf = 16.5plf <br />DCR gravity (=0.255) + DCR seismic (=0.100) = 0.355 < 1, <br />Therefore use min HSS12x6x1/4 <br />See Enercalc output next pages. <br />Design of Post P1: <br />H=38', Trib = 28' /2 + 28' /2 =28' <br />KL = 38' <br />PDL=30plf x 28' = 840lbs <br />PLL=130plf x 28' =3,640lbs <br />Seismic: <br />Fp = 16.5plf x 28' = 462lbs <br />Loads eccentricity= 5" /2 + 6"/2 = 5.5in <br />ROOF 38' <br />MEZZ 19' <br />0' <br />27'17'28' <br />PLATFORM <br />B1 <br />P1 <br />WDL <br />WLL <br />FP <br />PDL <br />PLL <br />FP <br />38 <br />' <br />HSS/2 + BEAM/2 <br />Elevation Plan: <br />1700 E St Andrew <br />Pl10/8/2024