Laserfiche WebLink
ESGDESIGN Hi Grassy 1'1 <br /> Foundation design: <br /> Soil bearing capacity— 1500 PSF <br /> Posts 1,3, 6 Foundation: <br /> 5460 lb/ 1500 PSF = 3.64 SF— 2'x2' Foundation Pad <br /> Post 2 Foundation: <br /> 12999 lb / 1500 PSF = 8.7 SF— 3'x3' Foundation Pad <br /> Post 4 Foundation: <br /> 17151 lb/ 1500 PSF = 11.43 SF— 3'x4' Foundation Pad <br /> Post 5 Foundation: <br /> 29593 lb/ 1500 PSF = 19.7" SF—4.5'x4.5' Foundation Pad <br /> Posts 7, 8 Foundation: <br /> 11999 lb/ 1500 PSF = 8 SF—3'x3' Foundation Pad <br /> Mezzanine guardrail post design: <br /> Use (2) Simpson "DPT7Z" brackets per guardrail post <br /> w/ (2) 3/8"x3" lag screws into side member and <br /> (5) #10 x 2 1/2" SD screws to post. I 1'1 <br /> 3/8" diameter lag screw withdrawal value for Hem Fir per <br /> NDS Table 12.2A - 243 lb per inch of penetration <br /> • k—'r <br /> Moment from 200 lb concentrated load at guardrail top: <br /> 200 lb * (8.5" + 1.5" + 42") = 10400 lb*in <br /> Resistance moment: <br /> 243 lb* 2.75" * 2 * 8.5" = 11360.25 lb* in > 10400 lb*in <br /> Moment from 50 plf distributed load at guardrail top: <br /> 50 lb * (8.5" + 1.5" + 42") = 2600 lb*in /ft <br /> 11360.25 / 2600 = 4.36' —guardrail posts to be installed at 4' on center. <br /> ENGINEERED STRUCTURES GLOBAL DESIGN <br /> ESG Design, PLLC- 12540 202nd PL SE, Issaquah,WA 98027 engineer@esg-design.com 206-660-2044 <br />