20090194 Structural Design 3072 080309STRUCTURAL DESIGN
FOR
PLAN 3072
A STEVEN DONA ARCHITECTURE DESIGN
YELM, WASHINGTON
NOTE: This stamp applies to
the members and assemblies
described in these calculations
only and is only valid if it is a
wet stamp.
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WELLER CONSULTI~
21925 8TH PL W
BOTHELL, WA 98021
(425) 488 - 9868
(425) 486 - 6715 FAX
PROJECT NO.
DATE
PREPARED BY
08-062
08/03/09
Mark Weller, P.E.
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WELLER CONSULTING ENGINEERS, P.C.
21925 8th Place W • Bothell, WA 98021 Ph (425) 488 -9868 Fax (425) 486 - 6715 • mark.weiler@verizon.net
TO: City of Yelm Building Department August 3, 2009
Gary Carlson
105 Yelm Ave W
Yelm, Wa 98597
RE: Plan 3072
A Steven Dona Architecture Plan
Weller Consulting Engineers, P.C. Job # 08-062
This plan may be used as a "basic" plan on any lot in Mountain Shadows plat by Freestone only
provided that the site does not exceed the following criteria.
Wind speed
Exposure
Seismic Category
Snow Load
85 mph - 3 sec gust
C
D
25 psf
The cover sheet provided by Weller Consulting Engineers, P.C. does not have to be an original.
Weller Consulting Engineers, P.C. assumes full responsibility for the structural design.
In addition, Weller Consulting Engineers, P.C. has reviewed the truss calculations provided by
MiTeck Industries. The structural design provided by Weller Consulting Engineers, P.C. will
conform to the requirements of the truss calculations.
~~~ ~~
_ .~. _ ;•
By:
Mazk F. Weller, P.E.
President
w
A 40910 .k
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E~P1REs 04/25/0
DESIGN CRITERIA
PER THE 2006 INTERNATIONAL BUILDING CODE
EARTHQUAKE PER SECTION 1614
Design Per ASCE 7-OS
Section 12.8 Equivalent Lateral Force Procedure
Base Shear: V = Cs * W
Cs =Seismic Response Coefficient
W =Effective Seismic Weight
Site /Project Specific Design Values:
Ss = 1.25 per USGS S, = 0.40 per USGS
Site Class D (Default) Seismic Design Category D
R = 6.5 from Table 12.2-1 Iw = 1.00
CS = 0.1282 per Section 12.8.1.1
WIND DESIGN PER SECTION 1609 (Allowable Stress Design)
Design per ASCE 7-OS Section 6.4
Design Wind Pressure: Ps = ~, * Imo, * PSao
where: ~, =Exposure Factor
KZT =Topographic Factor
IW =Importance Factor
PS30 =Base Design Pressure
Site/Project Specific Values:
Basic Wind Speed = 85 mph (V;S)
~. = 1.40 Exposure "C" (<30')
KZT = 1.00
lW = 1.00
PS30 =see ASCE 7-05, Figure 6-2
STANDARD DESIGN INFORMATION
The information described below is to be used unless otherwise noted on the plans
WOOD DESIGN per Sections 2301 & 2301.2.1 Allowable Strength Design
when applicable; per 2308 Conventional [_ight-Frame Construction
MINIMUM NAILING REQUIREMENTS per Table 2304.9.1
ANCHOR BOLTS:
SB" ~ x l0", A307 or better, w/ 7" min_ Embedment. V = 1328 # 1 bolt
CONCRETE DESIGN per Chapter 19 & ACI 318-OS
Concrete: f~ = 2500 psi
Rebar: fY = 40,000 psi
MISCELLANEOUS HARDWARE
SIMPSON Strong-Tie Connectors or equal
SHEAR WALL SCHEDULE
(SEE 2006 IBC table 2306.4.1 & Section 2306.4.1)
All shear walls to be sheathed from top plate to bottom plate. Block all panel edges.
Nail spacing is for all panel edges. Space nails @ l2" o.c. along intermediate framing members.
SW-6 v = 260 plf 7/16" OSB, w! 8d (0.113" Qt) nails @ 6" o.c.
Anchorage (interior walls only) to SINGLE joist or blkg below: 16d (box) @ 6" o.c.
SW-4 v = 350 plf 7/16" OSB, w/ 8d (0.113" Q~) nails @ 4" o.c.
Anchorage (interior walls only) to SINGLE joist or blkg below: 16d (box) @ 4" o.c.
SW-2 v = 640 plf 7/16" OSB, w/ 8d (0.113" d) nails @ 2" o.c. (staggered}
Anchorage (interior walls only) to 4x (min.) BEAM or blkg below: 16d (box) @ 2" o.c.
NOTE: use min 3" nominal studs @ adjoining panel edges
The shear values above are based upon the use of Sd box nails with a full head, a shank diameter of
0.113", and a minimum penetration of 1.375". From Table 2306.4.1 use 15/32; 8d values with a 0.729
reduction for Hem-Fir & 1.4 increase for wind.
SW-2C v = 830 plf 7/16" OSB, w/ 8d (0.131" Q1) COMMON nails @ 2" o.c. (staggered)
Anchorage (interior walls only) to 4x (min.) BEAM or blkg below: 16d (box) @ 2" o.c.
NOTE: use min 3" nominal studs @ adjoining panel edges
The shear values above are based upon the use of 8d common nails with a full head, a shank diameter of
0.131", and a minimum penetration of 1.5". From Table 230b.4.1 use 15/32; 8d values with a 0.93
reduction for Hem-Fir & 1.4 increase for wind.
16d C~ 16" O.G.
SHEAR WALL EDGE
NAILING
RIM J015T
LOCATE SHEATHING
JOINT C~ COMMON
MEMBER
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