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DESIGN CALCULATIONS
FOR
OFFICE FURNITURE
WALL -MOUNTED SIGNS
10997 S LIS-1- Port St Lucie
SCANNED
3t Lucie County
1. Design is in accordance with the Florida Building Code 5th Edition (2014) for
use within and outside the High Velocity Hurricane Zone (HVHZ).
2. Wind loads have been calculated per the requirements of ASCE 7-10 as
shown herein.
3. These engineering calculations pertain only to the structural integrity of
those systems, components, and/or other construction explicitly specified
herein and/or in accompanying engineering drawings. The existing host Index:
structure (if any) must be capable of supporting the loaded system as Pg 1 Cover
verified by building department or architect / engineer of record. No Pg 2 wind Loads
warranty, either expressed or implied, is contained herein.
Pg 3 Anchor Design
4. System components shall be as noted herein. All references to named
components and installation shall conform to manufacturer's or industry
specifications as summarized herein.
S. Where site conditions deviate from those noted herein, revisions may b� ' .111""'Jr1„
required or a separate site -specific engineering evaluation performed® E,��et�sgt�u� 5ht�eal valid
6. Aluminum components in contact with steel or embedded in concrete
be protected as prescribed in the 2010 Aluminum Design Manual, Part 1 = �:
No. 67�
Steel components in contact with, but not encased in, concrete shall be = a
coated, painted, or otherwise protected against corrosion.
7. Engineer seal affixed hereto validates structural design as shown only. Use=�51°•. S AT
O
of this specification by contractor, et. Al, indemnifies and saves harmless �:,o�(: •. 0 27 6 °
this engineer for all costs & damages including legal fees & apellate fees ChYfsf@Fa tFgHgu' 67382
q 1 1. resulting from deviation from this design. EeSAuth # 31124
ex
1200 N Federal Hwy, #200 (' ,`
Boca Baton, FL33432 Easy SeaLs.com Page 1
EasVSeals
/SCE 7-10 Design Wind Loads
WALL -MOUNTED SIGNS
Building Specs
V = 160 mph Basic wind speed
Exposure C
Calculations
a=9.5 3-sec gust speed power law exponent
zg = 900, Nominal ht. of atmos. boundary layer
Gcpi = 0 Internal pressure coeff
160
WALL
mph - Exp "C"
-MOUNTED SIGNS
ASD WIND PRESSURES
SIGN
CENTER CORNER
HEIGHT
(Zone 4) (Zone 5)
15 ft
31.2 psf 39.7 psf
20 ft
33.2 psf 42.2 psf
25 ft
34.8 psf 44.2 psf
30 ft
36.1 psf 46.0 psf
35 ft
37.3 psf 47.5 psf
40 ft
38.4 psf : 48.8 psf
45 ft
39.3 psf 50.1 psf
50 ft
40.2 psf 51.2 psf
55 ft
41.0 psf 52.2 psf
60 ft
41.8 psf 53.2 psf
70 ft
35.3 psf : 70.6 psf
80 ft
36.3 psf t 72.6 psf
90 ft
37.2 psf 74.5 psf
100 ft
38.1 psf 76.1 psf
110 ft
38.8 psf : 77.7 psf
120 ft
130 ft
39.6 psf 79.1 psf
40.2 psf 80.5 psf
TA
a 140 ft
40.9 psf 81.7 psf
150 ft
41.5 psf 82.9 psf
175 ft
42.8 psf 85.7 psf
200 ft
44.1 psf 88.1 psf
50 ft
46.2 psf 92.3 psf
CALCULATION ORWALL-MOUNTED SIGNS
ASD Load Combo Coeff: 0.6
Kd = 0.85 Directionalityfactor
Kzt = 1.0 Topographic factor
A = 10 sq ft Tributary area
n
Y Y
q.
p
U a
O
U 17
0.85
47.3
-1.10
-1.40
0.90
50.2
-1.10
-1.40
0.95
52.7
-1.10
-1.40
0.98
54.7
-1.10
-1.40
1.01
56.5
-1.10
-1.40
1.04
58.1
-1.10
-1.40
1.07
59.6
-1.10
-1.40
1.09
60.9
-1.10
-1.40
1.12
62.2
-1.10
-1.40
1.14
63.3
-1.10
-1.40
1.17
65.4
-0.90
-1.80
1.21
67.3
-0.90
-1.80
1.24
69.0
-0.90
-1.80
1.27
70.5
-0.90
-1.80
1.29
71.9
-0.90
-1.80
1.32
73.3
-0.90
-1.80
1.34
74.5
-0.90
-1.80
1.36
75.7
-0.90
-1.80
1.38
76.8
-0.90
-1.80
1.42
79.3
-0.90
-1.80
1.46
81.6
-0.90
-1.80
1.53
85.5
-0.90
-1.80
Page 2
r CALCULATIOI` -OR WALL -MOUNTED SIGNS
Wall Sign Anchor Design
Structure Dimensions & Loading
Design wind pressure: P = 46.0 psf
Sign type: Raceway
Sign size: h = 12.0 inches (height)
Wall material: Wood CDXorequiv, thickness to match Min Embed
Anchor type/size: #14 SMS
Ref: APA E830E Fastener Loads for Plywood
Min Embedment: 0.5"
Min edge dist: 2" 2"
Anchor tensile capacity: Tcap = 112.0 lb (per anchor)
Check Anchors for Pullout
Total Reaction: Rt = 46 Ib/ft ... = P•h (along raceway)
Anchor spacing req'd s = 58.5 in O.C. ... = (2'Tcap)/Rt
Pairs of anchors at 58 inches on center (max)
4.8 feet on center
Ok, critical anchor option shown.
Ref anchor schedule for other anchor options.
Page 3