APPROVED BLD BLD2020-0534+Structural_Analysis_or_Calculations+7.10.2020_4.22.09_PMRESUB
Jul 13 2020
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT
BLD2020-0534
REVIEWED BY
07/20/2020
Structural Calculations For:
McGaugh Residence
Edmonds, WA
Prepared for: Piano Nobile
Job #: 10824-2020-04
Date: May 14, 2020
SEATTLE 2124 Third Ave, Suite 100, Seattle, WA 98121 O 206.443.6212 ssfengineers.com
TACOMA 934 Broadway, Suite 100, Tacoma, WA 98402 0 253,284,9470
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Column Buckling Calculations
NDS 2012
Column Geometry Data
4X Posts Doug Fir - Larch #2
Doug Fir Plates
b 3.5 in
d 5.5 in
Let 10.00 ft
Lee 10.00 ft
lebending ft
Column Stability Factor Calculation
Strong Axis Weak Axis
Bracing Fce, 1002 psi Fce2 406 psi
No Brace I Fc', 2376 psi Fc*2 2376 psi
No Brace Fce,/Fce, 0.422 Fce2/Fc'2 0.171
Cp1 0.376 CP2 0.164
Column Design Values Bearing
Fb 900 psi Area
Fc 1350 psi Increase
E'min 580 ksi No
Fcperp 625 psi
cb 1.00
Column Loading
P 157 Ibs
W1
86.0 plf
M1
1075 ft-Ibs
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63 ft-Ibs
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Roof/EQ / Wind - Co
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Size Factor - CF
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Repetitive - Cr
1.00
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1.60
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Solid Column
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1
'�� STRUCTURAL
ENGINEERING
2124 Third Avenue . Suite 100 . Seattle . WA 98121
www.swensonsayfaget.com
Office: 206.443.6212
Fax: 206.443.4870
Beam Stability Factor Calculation
Strong Axis
Fbe, 7309 psi
Fb',
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Fbet/Fb',
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17.7 ft
CL,
0.98
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Fbe2 27,849 psi
Fb'2 1872 psi
Fbe2/Fb'2 15
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Strong Axis Weak Axis
Fc', 894 psi FC'2 390 psi
Fb', 1841 psi IFU2 1872 psi
Imposed Column Stresses
Strong Axis Weak Axis
fc, 8 psi fc2 8 psi
fb, 731 psi fbz 67 psi
Perpendicular to Grain Stress Check fcp/Fcp =
Slenderness Check le/d
81625 OK
22 OK
Slenderness Check le/b
34 OK
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Allowable Stress Interaction Formula 0.44 OK
Project: McGaugh Residence Date: 51412020
Post at West Elevation Project #:
Design: SRO
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