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Structural Calculations: I`{l ` Consulting Engineers,ou,
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cDate
:2015.06.16 JTS-15-17 :2015.06.16 12:36:07
-07'00'
Date: 6/16/15
Project: New House: RECEIVED
Lot 6 9712 SW Ashwood Street Tigard, OR
2523_EL_A_GR_2 CAR
JUN 3 0 2015
Subject Sheet#'s CITYUFTIGARD
Lateral Loads L1 — L5 BUILDING DIVISION
Framing Fl — F5
Footings FTG-1
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(151319'
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Expires: 6-30-17
• The following calculations are for lateral wind and seismic engineering and gray itv loading of the beams and columna All retaining wall designs should be verified
by the geotechnical engineer of record prior to construction. Failure to do so invalidates their design. The design is based on information prov ided h)the client who is
solely responsible for its accuracy. The engineering represents the finished product. Discrepancies from information pros ided by the client invalidate this design
Horn Consulting Engineers shall have no liability (expressed.or implied).with respect to the means and methods of construction workmanship or the actual materials
used in construction.
I torn Consulting Engineers shall have no obligation of liability.whether arising in contract(including warranty). I ort(including active.passive.or imputed negligence)
or otherwise. fix loss or use.revenue or profit.or for any other incidental or consequential damage
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New House: 2523 Elevation A
Code Basis of Design: 2014 O.S.S.C. and 2014 O.R.S.C.
Wind Loading: Per ASCE 7
Fig 6-2
See attached elevations for wind loading breakdown per level.
120mph 3-sec gust Exp B.
The mean roof height of the house
h = 23' approximately.
MFRS 44
C
Direction 111114 End Zones \
f10Illt....06'-
il\10 ,----- RS
Direction
2a
End Zones
Note:End zone may occur at any corner of the
building.
a = .10*38' = 3.8'
or for h = 23'
a = .4(h)= .4(23') = 9.2'
a must be larger than .04(38') = 1.5' or 3'
a = 3.8' controls
Therefore:
2a = 8.0' see Fig 6-2 ASCE 7, and Figure above.
CAPITAL PLAZA SUITE 135 9 320 S\V BARBUR BLVD. • PORTLAND, OR • 97219
PHONE:5 03.892.5782• E MAIL: DAVE@HORNCE.COM
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Seismic Loading: D1 seismic design category per O.R.S.0
SIDS= .72, R = 6.5, W= weight of structure
V = [1.2SIDS/(Rx1.4)]W
V= .095W
Roof Dead load = 15 psf
Exterior Wall Dead load = 12 psf
Interior Wall Dead load = 8 psf
Floor Dead load = 12 psf
Seismic in Front to Back:
Wr= [.095(39')(15+6+4)] = 92.6plf < 104.2pIf therefore, wind governs.
W2 = [.095(39')(12+12+8)] + 92.6plf=211.2plf< 237.2plf therefore, wind governs.
Seismic in Side to Side:
Wr= [.095(38')(15+6+4)] = 90.3plf
W2 = [.095(39')(12+12+8)] = 118.6plf
Wr2 = [.095(10.5')(15+6+4)] = 24.9plf
Redundancy Factor= 1.0 per ASCE7 section 12.3.4.2
CAPITAL PLAZA SUITE 135 9 320 S V BARBUR BLVD. • P ORTLAND, OR • 97219
PHONE: 5 03.892.5782• E MAIL: DAVE@HORNCE.COM
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Roof Diaphragm:
Grid Line A Grid Line 1
P = (0.1042) klf x 19' = 2.0k PW= (0.1072) klf x 18.5' = 2.0k
V= P/(34)' = 58p1f Type A Wall PS = (0.0903) klf x 18.5' = 1.7k
Mot = 6.5kft V= Pw/(22)' = 90plf Type A Wall
Mr= 13.4kft No HD Req'd Mot = 2.2kft
Mr= 1.3kft
Grid Line B T = 0.3k No HD Req'd
P = (0.1042) klf x 19' = 2.0k
V= P/(37)' = 54plf Type A Wall Grid Line 3
Mot = 15.8kft Pw= (0.1072) klf x 21' = 2.3k
Mr= 75.2kft No HD Req'd Ps = (0.0903) klf x 21' = 1.9k
V= Pw/ (23)' = 98p1f Type A Wall
Mot =2.2kft
Mr = 1.2kft
T = 0.4k No HD Req'd
2"d Floor Diaphragm:
Grid Line A Grid Line 1
P = (0.133) klf x 15.5' + 2.0k=4.1k PW= (0.1302)(8.5')+(0.0905)(5') + 2.0k= 3.6k
V= P/(37)' = 111 plf Type A Wall PS = (0.1186)(8.5')+(0.0249)(5') + 1.7k = 2.8k
Mot = 36.9kft V= Pw/(11.25)' = 316p1f Type A Wall
Mr=75.2kft No HD Req'd Mot = 9.3kft
Mr= 1.6kft
Grid Line B T = 2.4k + 0.3k= 2.7k Type 1 HD
P = (0.133) klf x 22.5' +2.0k = 5.0k
V= P/(15.75)' = 318plf Type A Wall Grid Line 2
Mot= 21.4kft Pw= (0.1302) klf x 18.5' = 2.4k
Mr= 5.3kft Ps = (0.1186) klf x 18.5' = 2.2k
T=2.2k Type 1 HD V = Pw/ (11.5)' =210p1f Type A Wall
Mot = 21.7kft
Mr= 16.5kft
T= 0.5k No HD Req'd
Grid Line 3
Pw,= (0.1302) klf x 11.5' + 2.3k = 3.8k
PS= (0.1186) klf x 11.5' + 1.9k = 3.3k
V= Pw/ (7.5)' = 506p1f Type B Wall
Mot =4.6kft
Mr = 0.7kft
T = 2.6k Type 1 HD
Check Sill Plate
Ps = (0.0903)(21')+(0.1186)(11.5') = 3.3k/7.5'
=435p1f 3x Sill Req'd
CAPITAL PLAZA SUITE 135 9 320 S W BARBUR BLVD. • P ORTLAND, OR • 97219
PHONE:5 03.892.5782• E MAIL: DAVE@HORNCE.COM
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