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SGP�eGou��y DESIGN CALCULATIONS
S
FOR
GLOW TAN
WALL -MOUNTED SIGNS
4898 N Kings Hwy— Ft Pierce
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 ofASCE 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
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.
S.
Where site conditions deviate from those noted herein, revisions may be
required or a separate site -specific engineering evaluation performed.
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6.
Aluminum components in contact with steel or embedded in concrete
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shall be protected as prescribed in the 2015 Aluminum Design Manual,
` `' No. 67 8
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.
TATE
Use of this specification by contractor, et. Al, indemnifies and saves
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harmless this engineer for all costs & damages including legal fees &
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apellate fees resulting from deviation from this design.
2
valid
# 67382
# 31124
1200 N Federal Hwy, #200 ['
Bow Raton, FL 33432 Easy Seals.com Page 1
010,pEd's Seals CALCULATIC � 3 FOR WALL -MOUNTED SIGNS
1.
1ASCE 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
ASD Load Combo Coeff: 0.6
Kd = 0.85 Directionality factor
Kzt = 1.0 Topographic factor
A = 10 sq ft Tributary area
160 mph - Exp "C"
WALL -MOUNTED SIGNS
ASD WIND PRESSURES
SIGN
CENTER
CORNER
]EIGHT
(Zone 4)
(Zone 5)
Y
q:
n
U a
n
U 17
Y
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
50 ft
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
41.5psf-;_82.9
psf
1.38
76.8
-0.90
-1.80
175 ft
42.8 psf
85.7 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 Dsf
92.3 Dsf
1.53
85.5
-0.90
-1.80
Ame CO
opy
Page 2
Q)),Ea_5ySea1s
ti Wall Sign Anchor Design
Structure Dimensions & Loading
Design wind pressure:
Sign type:
Sign size:
Wall material:
Anchor type/size:
Anchor tensile capacity:
Check Anchors for Pullout
CALCULATR S FOR WALL -MOUNTED SIGNS
P = 46.0 psf
Channel Letter
A = 4.0 sqft (per letter, critical)
Wood CDX or equiv, thickness to match Min Embed
#14 SMS
Ref: APA E830E Fastener Loads for Plywood
Min Embedment: 0.5"
Min edge dist: 2" Min Spacing: 2"
Tcap = 112.0 lb (per anchor)
Total Reaction: Rt = 184 lb ... = P'A (per letter)
No. of anchors req'd: n = 1.6 anchors per letter ... = Rt/cap
Total anchors required: 2 anchors per letter
OK, critical anchor option shown. Limit to min (3) per letter/logo, bal.
Ref anchor schedule for other anchor options.
P4 co
Page 3