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DESIGN CALCULATIONS
FOR
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WALL—MOUNTED SIGNS a S �� , �, (,
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GENERAL NOTES:
1. Design is in accordance with the Florida Building Code 6th Edition(2017)
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 Index:
existing host structure(if any)is assumed to be in good condition, Pg 1 Cover
capable of supporting the loaded system,subject to building department p Pp g Y J g p Pg 2 Wind Loads
approval. No 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 may be �
Eng i r�' seal valid
required or a separate site-specific engineering evaluation performed. �•` ` ' ,
6. Aluminum components in contact with steel or embedded in concrete �`••'•
shall be protected as prescribed in the 2015 Aluminum Design Manual, Nc). 673 2
Part 1. 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. T T 1 F
Use of this specification by contractor,et.Al, indemnifies and saves
harmless this engineer for all costs&damages including legal fees& Chr*is � 4gJ ` #67382
apellate fees resulting from deviation from this design. Easy Se���i��r��C-0N uth#31124
N Federal Hwy,#200 Easy Seals.com Page 1
Bocaoca Raton,FL 33432
EasySeats CALCULATIONS FOR WALL-MOUNTED SIGNS
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ASCE 7-10 Design Wind Loads
WALL-MOUNTED SIGNS
Building Specs
V= 170 mph Basic wind speed ASD Load Combo Coeff: 0.6
Exposure C
Ca- culations
a= 9.5 3-sec gust speed power law exponent Kd= 0.85 Directionality factor
zg= 900, Nominal ht.of atmos.boundary layer KA= 1.0 Topographic factor
Gcpi= 0 Internal pressure coeff
A= 10 sq ft Tributary area
170 mph - Exp "C"
WALL-MOUNTED SIGNS
ASD WIND PRESSURES
SIGN CENTER CORNER
HEIGHT (Zone 4) (Zone 5) Y Y qZ U U ,n
15 ft 35.2 psf 44.8 psf 0.85 53.4 -1.10 -1.40
20 ft 37.4 psf 47.6 psf 0.90 56.7 -1.10 -1.40
25 ft 39.2 psf 49.9 psf 0.95 59.4 -1.10 -1.40
30 ft 40.8 psf 51.9 psf 0.98 61.8 -1.10 -1.40
35 ft 42.1 psf 53.6 psf 1.01 63.8 -1.10 -1.40
40 ft 43.3 psf 55.1 psf 1.04 65.6 -1.10 -1.40
45 ft 44.4 psf '56.5 psf 1.07 67.3 -1.10 -1.40
50 ft 45.4 psf 57.8 psf 1.09 68.8 -1.10 -1.40
55 ft 46.3 psf 58.9 psf 1.12 70.2 -1.10 -1.40
60 ft 47.2 psf 60.0 psf 1.14 71.5 -1.10 -1.40
70 ft 39.9 psf 79.7 psf 1.17 73.8 -0.90 -1.80
1 80 ft 41.0 psf 82.0 psf 1.21 75.9 -0.90 -1.80
90 ft 42.0 psf 84.1 psf 1.24 77.8 -0.90 -1.80
100 ft 43.0 psf 86.0 psf 1.27 79.6 -0.90 -1.80
110 ft 43.8 psf 87.7 psf 1.29 81.2 -0.90 -1.80
120 ft 44.7 psf 89.3 psf 1.32 82.7 -0.90 -1.80
130 ft 45.4 psf 90.8 psf 1.34 84.1 -0.90 -1.80
140 ft 46.1 psf 92.3 psf 1.36 85.4 -0.90 -1.80
150 ft 46.8 psf 93.6 psf 1.38 86.7 -0.90 -1.80
175 ft 48.4 psf i96.7 psf 1.42 89.5 -0.90 -1.80
200 ft 49.7 psf 99.5 psf 1.46 92.1 -0.90 -1.802 250 ft 52.1 psf 104. psf 1.53 96.5 -0.90 -1.80
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' Q d CALCULATIONS FOR WALL-MOUNTED SIGNS
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Wall Sign Anchor Design
Structure Dimensions & Loading
Design wind pressure: P= 51.9 psf
Sign type: Backer Wireway
Sign size: A= 132.8 sqft (entire wireway)
Wall material: Masonry (ASTM C90,1,500 psi min)
Anchor type/size: 3/8" Expansion Anchor
Ref: Powers Power-Bolt,catalog
Min Embedment: 1.5"
Min edge dist: 12" Min Spacing: 4.5"
Anchor tensile capacity: Tcap= 295.0 lb (per anchor)
Check Anchors for Pullout
Total Reaction: Rt= 6889 lb ...=P*A (entire wireway)
No. of anchors req'd: n= 23.4 total anchors ...=Rt/cap
Total anchors required: 24 total anchors balanced over wireway
olt,typical anchor option shown.
Ref anchor schedule for other anchor options.
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