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Swenson Say Fag&t <br /> • STRUCTURAL ENGINEERING <br /> 2124 Third Ave,Suite 100 <br /> Seattle,WA 98121 <br /> O 206.443.6212 <br /> 934 Broadway,Suite 100 <br /> Tacoma,WA 98402 <br /> O 253.284.9470 <br /> ssfengineers.com <br /> Project: CHCSC BSB <br /> 4201 Rucker Ave, Everett, WA <br /> May 4, 2017 <br /> Structural Design Criteria Summary <br /> 2015 International Building Code(IBC) <br /> 2015 International Existing Building Code <br /> SBC Section 1607 Live Loads <br /> Roof Live Load 25 psf(snow) <br /> Snow Load Design Importance Factor 1.0 (ASCE 7-10 Table 1.5-2) <br /> Elevated Floor Live Load 50 psf(office) <br /> Assembly Area Live Load 100 psf <br /> Corridor Live Load 100 psf first floor, 80 psf corridors above first floor <br /> Stair Live Load 100 psf <br /> IBC Section 1609 Wind Loads <br /> Basic Wind Speed 115 mph (Risk Category IV) <br /> Exposure B <br /> IBC Section 1613 Earthquake Loads <br /> Site Class D (assumed) <br /> Short Period Spectral Acceleration (Ss) 1.353 g <br /> 1-Second Period Spectral Acceleration (Si) 0.514g <br /> Design Short Period Spectral Acceleration(SE's)0.902 g <br /> Design 1-Second Period Spectral Acceleration(SDI)0.514 g <br /> Seismic Design Category D <br /> Seismic Design Importance Factor 1.0 (ASCE 7-10 Table 1.5-2) <br /> Soils <br /> Allowable Soil Bearing=5000 psf Dense native soils <br /> Reference: Botesch-Nash and Assoc. original building construction drawings 2/2/1973 <br /> Concrete <br /> F'c=3000 psi Slabs on grade and slabs on metal deck <br /> F'c=4000 psi Structural slabs,walls and columns <br /> Reinforcing Grade 60 <br /> Swenson Say Faget, Inc. Structural Engineering 7 <br /> 2124 Third Avenue,Suite 100,Seattle WA 98121 Ph:(206)443-6212 Fax:(206)443-4870 <br />