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Structural Calculations Cover Sheet <br /> Project Number: 2019.051 Date: August 8th,2019 <br /> Project Name: Gebremariam <br /> Structural Design For: Structural design for an addition to an existing residence. <br /> Construction Type: Conventional wood framed construction. <br /> CODES <br /> 2015 International Building Code(IBC) <br /> 2015 NDS <br /> ASCE 7-10 ' o <br /> r.� <br /> a <br /> LOADS 4l 23434 <br /> • '1,0? I ECG <br /> Floor Live Load 40 psf <br /> �'ri ,. <br /> Dead Loads As required +s a rac't <br /> Roof snow Load 25 psf <br /> Deck Load 60 psf <br /> Wind 110 mph. Exposure B, Per ASCE 7-10 Section 28. Kzt= 1.0 <br /> Seismic Per ASCE 7-10 Section 12 <br /> Peak Ground Accelerations(PGA) based on OSHPD, by Lat/Lon. <br /> PGA I sec= .515 PGA .2 sec = 1.355 %V = .139 * DL <br /> Material Design Values <br /> Soils(assumed) Minimum 1,500 psf allowed bearing(subject to field verification) <br /> Concrete fc=2,500 psi; 5-1/2 sack mix,or alternate mix pre-approved by bldg. dept. <br /> Reinforcing Grade 40 or 60; Fy=40,000 psi minimum <br /> Sawn Lumber Joists, Rafters: Hem-Fir#2 and better <br /> Beams: 4x_: DF-L #2 <br /> 6x : DF-L#2 <br /> Posts: DF-L#2 <br /> Studs& Plates: Hem-Fir Standard <br /> Anchor Bolts ASTM A325 hold down bolts, F l 554 Anchor Bolts, A307 other bolts <br /> CONSULTING STRUCTURAL ENGINEERING SERVICES, INC. <br /> 6311 17th Avenue NE, Seattle WA 98115 (206)527-1288 email John@cses-engineering.com <br /> Structural Engineering Consulting and Design <br />