Specifications (19) 57)--'°/ 2- --Ogg&
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LTC �
10372 SW Bonanza `.• avID
Tigard, QR 9- � �IVISI�N
LAUREN THOMAS 503-317-1023
CONSULTING,LLC Ltcstructural@gmail.com
Gerhard Remodel
14275 SW 125th
Tigard, Oregon
Client: Kerry W. VanderZanden
LTC#: 12-40
Date: 5/17/12
By: Lauren Thomas, P.E.
THESE CALCULATIONS ARE VOID IF SEAL
YjA
AND SIGNATE'ATEE'NOT ORIGINAL
EXPIRES: 6/30A-0
No. of Calculation pages included: 4 pages
Engineer has been retained in a limited capacity
for this project. The design of this project is based
upon information provided by the Client who is
solely responsible for the accuracy. No
responsibility and/or liability is assumed by, or is
to be assigned to the Engineer for items beyond
• that indicated on these sheets. Not valid without
original signature in blue ink.
Project Design Criteria
Design per 2009 International Building Code as revised by the State of Oregon.
_ Provide vertical analysis of new components required to relocate staircase.
a) Floor live load: 40 psf
b) Roof Live Load: N/A
c) Roof Snow Load: 25 psf
d) Wind Design: N/A
e) Earthquake Design:N/A
Project Name Gerhard Remodel Project# 12-40
LTC Location 14275 SW 125th,Tigard, Oregon
LAUREN MOMS
Corsa-TING LLC Client Kerry W. VanderZanden Architect
10372 SW Bonanza Way
Tigard,OR 97224
503.317-1027 By LMT Date 5/11/12 Page 1 of 4
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Project Name Gerhard Remodel Project# 12-40
LTC Location 14275 SW 125th, Tigard, Oregon
LAUREN MAMAS
Coi m UC Client Kerry W. VanderZanden Architect
10372 SW Bonanza Way
Tigard,OR 97224
403717-2023 B LMT Date 5/11/12 Page 7 of (j
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Project Name Gerhard Remodel Project# 12-40
LTC Location 14275 SW 125th, Tigard, Oregon
LAUREN THOMAS
CoNsucrvc,Lic Client Kerry W. VanderZanden Architect
10372 SW Bonanza Way
Tigard,OR 97224
503-317-1023 By LMT Date 5/11/12 Page of 4(
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Lauren Thomas Consulting, LLC Wood Column Design
Tigard, Oregon
Solid Wood Column Calculation (per NDS)
= Input Values
Column Length, le= 9 feet
le= 108 Inches Width, d= 5.5 Inches (Least Dimension)
Slenderness Ratio, le/d = 19.64 Note: Slenderness shall be < 50, < 75 during const.
Column Stability Factor, Cp
Cp= [1+ (FcE/Fc*)]/2c-([1+ (FcEIFc*)12c]2-(FcE/Fc*)/c}112
= 0.47
Where:
Fc*= Fc(CDxCMxCfxCrxC;) Material F E'
1995 PSI Microllam LVL
Sawn Lumber(DF/L#2+) 1500 1,400,000
FcE= KcE E'/(le/d)2 Glu Lam (22F) 1500 1,600,000
= 1089.24897 Selected Values: 1500 1,400,000'
FcE/Fc*= 0.54598946 Adjustment Factors: Table
Load Duration,* CD= 1.33 [2.3.2]
Wet Service,* CM= 1.00 [2.3.4]
Temperature,* CT= 1.00
Beam Stability, CL= 1.00
KBE= 0.3 (Visually Graded Lumber) Volume Factor, C„= 1.00
Flat Use, Cf„= 1.00
c= 0.8(sawn lumber) Incising,* C;= 1.00 [2.3.11]
c= 0.85 (round timber piles) Repetive Use, Cr= 1.00 1.0/1.15
c= 0.9(glued-laminated timber) Curvature, Cc= 1.00
Selected Value= 0.8 Shear Stress Factor,* CH= 1.00 1.0-2.0
Fc= F*c(Adjustment Factors)=
Fc= Fc*x Cp= 927.8849 PSI
Selected Column Dimensions= 5.5 inches x 5.5 inches
Allowable Column Load= Pal,= 28,069 pounds
Project Name Gerhard Remodel Project# 12-40
LTC Location 14275 SW 125th,Tigard, Oregon
LAUREN TNCIIAS
C0199.I17114ut Client Kerry W. VanderZanden Architect
10372 SW Bonama War
Tigard,OR 97224
503417-1023 By LMT Date 5/11/12 Page 4 of 4
l,tntrartoral!agmail.com