HomeMy WebLinkAboutEngineeringEngineering Submittal
'Wind Load Certification
January 6, 2020.
Model/Tag:, CH-1,2
Design Parameters:
FBC.2017 &ASCE 7-10
Wind Speed: 160
Exposure: C
Risk Category: 2
Job Name & Location:
Treasure Coast Hospice
5090 NW Dunn Rd.
Fort Pierce, FL 34981
B ICHM*RK ENeINEERIN,e
OF THE TUASURE COAST LLC.
-806 Delaware Ave. (772),267-1399
Fort Pierce, FL 34946 henchmarkengineeringtc@gm511.�
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VREVIEWED FOR
C®DE c6mPLIANCE
St. LUCIE COUNTY
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FILE COPY
Wind Load/Fastener Calcs.
Model/Tag: CH-1,2
Design Parameters
W
88 in (Min)
WL
44 in
Ws
44 in
L
143 in (Max)
HRTu
93 In (Max)
He
36 in (Max)
HFw
64.5 in
WcM
5607 lb (Est)
VWIND
160 mph
Exp
C
Max Ht.
60 ft
Wind Loading Per ASCE 7-10:
Wind Pressure
QH=.00256 (Kz)(KzT)(KD)(VWJND)A2
KZ
1.13
KZT
1.0
KD
0.9
VWIND
160 mph
QH=
66.7lb/ftA2
Lateral Force
Fwr=-QH (GCR) AF
GCR 1.9
AF 64.6 ftA2(.7 Rack Area Ad))
Fwn= 8,187lb
Uplift
Fwu=QH (GCR) AF
GCR 1.5
AF 87.4 ftA2
Fwu= 8,737lb
Sum Moments
MWn= 528,042 in lb
Mwu= 384,416 in lb
Mwm=-246,708 in lb
M= 665,750 in lb
y
Wr
Fasteners:
F.
Required. Fastener Resistance on Critical Side
FR= 7,565 LB
Rack to Roof Deck Fastener
Deck Type: 3000 psi Min. Concrete
Selected Fastener:
318" Hlld Kwik HUS w/ 3-2/4" Min Emb 2093 lb per (Mani. Pull-out
Number of Fasteners per Base Plate: 1 4 each Design Rating)
Total Number of Fasteners Per Rack: i112 each
CH to Curb Fastener
3/8" SS Thru Bolts @: 1650 lb per (25%Proof
Min. Number of Fasteners per Long Side: 1 8 each Tensile Rating)
Max Fastener Spacing @: 16.0 in
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Notes: 1. Certification Is for specified attachments only
2. Roof structure & Pipe integrity by others
3: Where concrete roof deck is less than 4" thick, use
3/8" thru bolts with thick fender washers
4. Fastener spacing may be adjusted (with max spacing of 30"
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