APPROVED BLD-BLD2020-0739+Structural_Analysis_or_Calculations+7.19.2020_3.41.30_PMHarriott Valentine Engineers Inc.
BLD2020-0739
STRUCTURAL CALCULATIONS
Project:
Sommer Huse Residence
24014 74th Ave
Edmonds, WA 98026
Architect:
H2D Architecture + Design
23020 Edmunds Way, #113
Edmunds, WA 98020
Structural Engineer:
Harriott Valentine Engineers, Inc.
1932 First Avenue, Suite 720
Seattle, WA 98101
tel. 206-624-4760
720
RECEIVED
Jul 22 2020
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT
...............................................
REVIEWED
BY
CITY OF EDMONDS €
1932 First Avenue, Suite 720 07/16/2020
Seattle, Washington 98101-2447 Page 1 of 5
tel. 206-624-4760 1 fax 447-6971
Harriott Valentine Engineers Inc.
CRITERIA
Gravity
roof dead
2x6 @ 16"oc
TREX decking
miscellaneous
total dead + live
1932 First Avenue, Suite 720
Seattle, Washington 98101-2447
tel 206-624-4760 1 fax 447-6971
live residential
1.7 (deck)
1.0 (assumed)
0.3 1o%
3.0 psf
63.0 psf
60.0 psf
07/16/2020
Page 2 of 5
Harriott Valentine Engineers Inc.
BEAMS (SIMPLE SPAN UNIFORM LOAD)
DECK
w (live)
total load = 63 psf
L live load = 60 psf
location criteria
beam w (total) _
(E-W) w (live) _
L=
trib. _
location criteria
deck w (total) _
joists w (live) _
L=
trib. _
271 plf V =
258 plf M =
5.00 ft El (total) _
4.30 ft El (live) _
demand
84 plf V =
80 plf M =
7.00 ft El (total) _
1.33 ft El (live) _
1932 First Avenue, Suite 720
Seattle, Washington 98101-2447
tel 206-624-4760 i fax 447-6971
capacity
0.60 k
0-.69k
Vr=
0.85 k-ft
Mr =
1.52E+07 lb-in2
El =
2.18E+07 lb-in2
d (total) _
d (live) _
use
capacity
0.27 k
0-.2-9 k
Vr =
0.51 k-ft
M r =
1.29E+07 lb-in2
El =
1.85E+07 lb-in2
d (total) _
d (live) _
use
2.31 k
1.91 k-ft
8.25E+07 lb-in2
0.05 in = L/ 1299
0.04 in = L/ 1364
U6 (P.T)
0.83 k
0.81 k-ft
2.70E+07 lb-in2
0.17 in = L/ 501
0.16 in = L/ 526
2x6 (P.T.) @ 16"oc
07/16/2020
Page 3 of 5
Harriott Valentine Engineers Inc.
SPREAD FOOTING DESIGN -- SQUARE
for 2000 psf Allowable Bearing Pressure
fc =
2,500 psi
fy =
40 ksi
1'-6" square
P =
4.50 k
one-way:
Pu =
7.34 k
phi Vc = 7.09 k Vu = 1.53 k o.k.
p =
2,000 psf
(2) #4 each way
h =
9.00 in
phi Mn = 6.05 k-ft Mu = 1.38 k-ft o.k.
d =
5.25 in
b =
18.00 in
two-way:
bo =
35.00 in
phi Vc = 31.24 k Vu = 5.60 k o.k.
2'-0" square
P =
8.00 k
one-way:
Pu =
13.04 k
phi Vc = 9.45 k Vu = 3.67 k o.k.
p =
2,000 psf
(3) #4 each way
h =
9.00 in
phi Mn = 9.03 k-ft Mu = 3.26 k-ft o.k.
d =
5.25 in
b =
24.00 in
two-way:
bo =
35.00 in
phi Vc = 31.24 k Vu = 11.31 k o.k.
2'-6" square
P =
12.50 k
one-way:
Pu =
20.38 k
phi Vc = 11.81 k
Vu =
6.62 k
o.k.
p =
2,000 psf
(3) #4 each way
h =
9.00 in
phi Mn = 9.11 k-ft
Mu =
6.37 k-ft
o.k.
d =
5.25 in
b =
30.00 in
two-way:
bo =
35.00 in
phi Vc = 31.24 k
Vu =
18.64 k
o.k.
3'-0" square
P =
18.00 k
one-way:
Pu =
29.34 k
phi Vc = 14.18 k
Vu =
10.39 k
o.k.
p =
2,000 psf
(5) #4 each way
h =
9.00 in
phi Mn = 14.95 k-ft
Mu =
11.00 k-ft
o.k.
d =
5.25 in
b =
36.00 in
two-way:
bo =
35.00 in
phi Vc = 31.24 k
Vu =
27.61 k
o.k.
1932 First Avenue, Suite 720 07/16/2020
Seattle, Washington 98101-2447 Page 4 of 5
tel 206-624-4760 1 fax 447-6971
Harriott Valentine Engineers Inc.
1032 Rmt Avenue, Su to 720
Seaft, WaahingW 98101-2447 07/16/2020
W. 206 624 47501 fax 447 6971 Page 5 of 5