HomeMy WebLinkAboutDESIGN CALCULATION=� easyseals.com SCANNED
By
Sit Lug County
DESIGN CALCULATIONS
FOR
SANDPIPER PLAZA
3' x 10' CABINETS
10760 S. US Hwy 1— Port St Lucie
GENERAL NOTES:
1.
Design is in accordance with the 2010 Florida Building Code 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 be
s sig a ure i
Enginee s sigrLature and seal valid
required or a separate site -specific engineering evaluation performed.
�.for.�iages' rourou�tri��
6.
Aluminum components in contact with steel or embedded in concrete shall
'L
be protected as prescribed in the 2005 Aluminum Design Manual, Part 1A.
No. 67312 '
Steel components in contact with, but not encased in, concrete shall be
coated, painted, or otherwise protected against corrosion.
_
92:
7.
Engineer seal affixed hereto validates structural design as shown only. Use
=°°° STP PE of =
°. �,M
of this specification by contractor, et. Al, indemnifiesand saves harmless
.._07�
this engineer for all costs & damages including legal fees & apellate fees
Christ7Ta%Lta�ngiFy- J� �',P,E # 67382
resulting from deviation from this design.
Easy th # 29531
BocaaFederal3432#200 Ea ySealls.com Page 1
Boca Raton, FL 33432 1
-Seal
ASCE 7-10 Design Wind Loads
WALL -MOUNTED SIGNS
Building Specs
V = 165 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
165 ph--: Exp
"C"
WALL -MOUNTED SIGNS
ASD WIND PRESSURES
SIGN
CENTER
CORNER
HEIGHT
(Zone 4)
(Zone 5)
15 ft
33.2 psf
42.2 psf
20 ft
35.3 psf
44.9 psf
25 ft
37.0 psf
47.0 psf
30 ft
38.4 psf
48.9 psf
35 ft
39.7 psf
50.5 psf
40 ft
40.8 psf
51.9 psf
45 ft
41.8 psf
53.2 psf
50 ft
42.8 psf
54.4 psf
55 ft
43.6 psf
55.5 psf
60 ft
44.4 psf
56.6 psf
70 ft
37.6 psf
75.1 psf
80 ft
38.6 psf
77.3 psf
90 ft
39.6 psf
79.2 psf
100 ft
40.5 psf
81.0 psf
110 ft
41.3 psf
82.6 psf
120 ft
42.1 psf
84.1 psf
130 ft
42.8 psf
85.6 psf
140 ft
43.5 psf
86.9 psf
150 ft
44.1 psf
88.2 psf
175 ft
45.6 psf
91.1 psf
200 ft
46.8 psf
93.7 psf
250 ft
49.1 psf
98.2 psf
CAL'CULATIONS I _' t WALL -MOUNTED SIGNS
ASD Load Combo Coeff: 0.6
Kd = 0.85 Directionalityfactor
Kzt= 1.0 Topographicfactor
A = 30 sq ft Tributary area
Y Y
qi
a
L V
n
� n
0.85
50.3
-1.10
-1.40
0.90
53.4
-1.10
-1.40
0.95
56.0
-1.10
-1.40
0.98
58.2
-1.10
-1.40
1.01
60.1
-1.10
-1.40
1.04
61.8
-1.10
-1.40
1.07
63.4
-1.10
-1.40
1.09
64.8
-1.10
-1.40
1.12
66.1
-1.10
-1.40
1.14
67.3
-1.10
-1.40
1.17
69.6
-0.90
-1.80
1.21
71.5
-0.90
-1.80
1.24
73.3
-0.90
-1.80
1.27
75.0
-0.90
-1.80
1.29
76.5
-0.90-1.80
1.32
77.9
-0.90
-1.80
1.34
79.2
-0.90
-1.80
1.36
80.5
-0.90
-1.80
1.38
81.7
-0.90
-1.80
1.42
84.4
-0.90
-1.80
1.46
86.8
-0.90
-1.80
1.53
90.9
-0.90
-1.80
Page 2
CALCULATIONS It WALL -MOUNTED SIGNS
Wall Sign Anchor Design
Structure Dimensions & Loading
Design wind pressure:
Sign type:
Sign size:
Wall material:
Anchor type/size:
P = 48.9 psf
Cabinet
A = 30.0 sqft (entire cabinet)
Wood CDX or equiv, thickness to match Min Embed
3/8" Bolt+Nut
Ref: AAMATIR-A9-1991
Min Embedment: Full
Min edge dist: 1.5" Min Spacing: 1.5"
Anchor tensile capacity: Tcap = 312.5 lb (per anchor)
Check Anchors for Pullout
Total Reaction: Rt = 1466 lb ... = P"A (entire cabinet)
No. of anchors req'd: n = 4.7 total anchors ...= Rt/Tcap
Total anchors required: 5 total anchors balanced over cabinet
OK, use min (3) attachments at top & bottom = (6) total.
Page 3