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DESIGN CALCULATIONS
6UANNED
FOR BY
St. Lucie Countv
NEXAIR
WALL -MOUNTED SIGNS
7466 Commercial Cir - Fort Pierce
GENERAL NOTES:
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 toads
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.
5. Where site conditions deviate from those noted herein, revisions maybe
required or a separate site -specific engineering evaluation performed.
Engi i! t r
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6. Aluminum components in contact with steel or embedded in concrete shall
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.t.
be protected as prescribed in the 2010 Aluminum Design Manual, Part 1.
No. 67 8
Steel components in contact with, but not encased in, concrete shall be
= *:
coated, painted, or otherwise protected against corrosion.
7. Engineer seal affixed hereto validates structural design as shown only. Use
TATE
'��00 . OC 2
of this specification by contractor, et. Al, indemnifies and saves harmless
Chrisfil
this engineer for all costs & damages including legal fees & apellate fees
resulting from deviation from this design.
Easy S�WSinrm sdL t
valid
# 67382
# 31124
Federal Hwy, g200 EasSeals.com Page 1
Bocaoca Raton,
y
ton, FL 33432 1
' EasySeaLs
/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
CALCULATION, '011 WALL -MOUNTED SIGNS
ASD Load Combo Coeff: 0.6
Kd = 0.85 Directionalityfactor
Kzt=i- 1.0 _ �Topographicfactor
A =; 10 sq ft ,Tributaryarea
ivv mN11 - LAIJ
a
WALL -MOUNTED SIGNS
ASD WIND PRESSURES
SIGN
HEIGHT
CENTER
(Zone 4)
CORNER
(Zone 5)
Y Y
qz
U v
U 9
15 ft
31.2 psf
39.7 psf
0.85
47.3
-1.10
-1.40
20 ft
33.2 psf
42.2 psf
0.90
50.2
-1.10
-1.40
25 ft
34.8 psf
44.2 psf
0.95
52.7
-1.10
-1.40
30 ft
36.1 psf
46.0 psf
0.98
54.7
-1.10
-1.40
35 ft
37.3 psf
47.5 psf
1.01
56.5
-1.10
-1.40
40 ft
38.4 psf
48.8 psf
1.04
58.1
-1.10
-1.40
45 ft
39.3 psf
50.1 psf
1.07
59.6
-1.10
-1.40
Soft
40.2 psf
51.2 psf
1.09
60.9
-1.10
-1.40
55 ft
41.0 psf
52.2 psf
1.12
62.2
-1.10
-1.40
60 ft
41.8 psf
53.2 psf
1.14
63.3
-1.10
-1.40
70 ft
35.3 psf
70.6 psf
1.17
65.4
-0.90
-1.80
80 ft
36.3 psf
72.6 psf
1.21
67.3
-0.90
-1.80
90 ft
37.2 psf
74.5 psf
1.24
69.0
-0.90
-1.80
100 ft
38.1 psf
76.1 psf
1.27
70.5
-0.90
-1.80
110 ft
38.8 psf
77.7 psf
1.29
71.9
-0.90
-1.80
120 ft
39.6 psf
79.1 psf
1.32
73.3
-0.90
-1.80
130 ft
40.2 psf
80.5 psf
1.34
74.5
-0.90
-1.80
140 ft
40.9 psf
81.7 psf
1.36
75.7
-0.90
-1.80
150 ft
41.5 psf
82.9 psf
1.38
76.8
-0.90
-1.80
175 ft
42.8 psf
95.7 psf
1.42
79.3
-0.90
-1.80
200 ft
44.1 psf
88.1 psf
1.46
81.6
-0.90
-1.80
250 ft
46.2 psf
92.3 psf
1.53
85.5
-0.90
-1.80
Page 2
EasySeals
Wall Sign Anchor Design
Structure Dimensions & Loading
CALCULATION!' DR WALL -MOUNTED SIGNS
Design wind pressure: P=i_ 46.0 Ipsf
Sign type: Raceway
Sign size: h 36.0 inches (height)
Wall material: Metal '.Steel studs or extrusions/shapes
Anchor type/size: #10 SMS
Ref: Min 18ga studs (grd 33) or 0.090" 6063-T6
Min Embedment: Full
Min edge dist: 0.75"
Anchor tensile capacity: Tcap = 115.8 lb (per anchor)
Check Anchors for Pullout
Total Reaction: Rt = 138 Ib/ft ... = P•h (along raceway)
Anchor spacing req'd s = 20.2 in O.C. ... = (2*Tcap)/Rt
Pairs of anchors at 20 inches on center (max)
1.7 feet on center
Ok, typical anchor option shown (qualifies 3/16" pop rivets).
Ref anchor schedule for other anchor options.
Page 3