HomeMy WebLinkAboutwind loads Planning& Development Services Department
• Building&Code Regulations Division
2300 Virginia Avenue, Fort Pierce, FL 34982—(772)462-1553
Certification for Design Load Compliance
Project Name:
Project Address: 211 Marina Drive, Fort pierce, Florida
Permit#: Occupancy Type: residential Construction Type: cbS 3
INSTRUCTIONS FOR USE:
• This certification must be completed,signed,and sealed by the design professional of record.
• Submit(2)copies for residential,(3)copies for commercial with all permit applications involving the following:
o New Residences(single or multi-family)
o Residential Addition
o Any accessory structure requiring a building permit
o Any non-residential structure.
* Note: Form not required for interior renovations provided that no exterior structural elements are affected and
certain minor building permits at the discretion of the local building official.Contact the#above for questions.
DESIGN PARAMETERS AND ASSUMPTIONS USED: (complete all that apply)
1. DESIGN CODE: Florida FBC Code Fifth Edition with 20 14 Supplements using ASCE 7-10
2. Structure Designed as(check one): x Enclosed Partially Enclosed Open
3. Risk Category: _I II x III IV Exposure Category: B C x D
4. Design Wind Velocity 170 mph ASD LRFD End Zone Width: ft
5. Mean Roof Height 13.9 ft Roof Pitch: 3 :12 Parapet: ft
6. Components&Cladding Design Pressures Used:(PSF,based on 10sgft @ 15'MRH,clearly label on all plan openings):
Zone 1:26 Zone 2: 24 Zone 3: 21 Zone 4:67 Zone 5:59 Garage:
7. Design Loads: Floor: NSA PSF Roof/Dead: 1.0 PSF Roof/Live: 2.0 Balcony: NSA PSF
Dock: N/A PSF Deck: NA PSF Stairs: N/A PSF Fence: N/A PSF Railings: NSA PSF.
8. Were Shear Walls Considered For Structure? X Yes Not Applicable Explain Why Not:
9. Is A Continuous Load Path Provided? Yes X Not Applicable Explain Why Not:
10. Design Soil Bearing Pressure: N/A PSF Soil Test Reports Submitted? NSA Yes
DESIGN PROFESSIONAL CERTIFICATION STATEMENT:
I certify that, to the best of my knowledge and belief, the attached plans & specifications have been designed to
comply with the applicable structural portions of the building codes currently adopted and enforced by St. Lucie
Jouno certify that structural elements depicted on-these plans provide adequate resistance to the design
ied:
Print Name Cert#&C .Cert Auth.
-Sign' t ,Date d Seal &/1 12
Company Name&Address
Revised 07/25/2014
WINDLOAD PRESSURE
CALCULATIONS
(HIP Roof)
FOR
PROPERTY LOCATED AT
211 Marina Drive, Fort Pierce, Florida
Presented
To
D K Roofing Construction Inc.
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1 � I
SUMMARY OF WINDLOAD PRESSURES
SUMMARY RESULTS OF WINDLOAD PRESSURE CALCULATIONS
(for complete details see attached calculations):
Description Max Positive Pressures Max Negative Pressures
Comer Zone 3 +26.43 73.08
Perimeter Zone 2 +26.43 -73.08
Field Zone 1 +26.43 -41.88
Z -d Xud 13rN3SH7 dH Wdj e o S G T UZ 20 qaA
MecaWind Std v2 .2 . 7 . 5 per ASCE 7-10
Developed by MEGA Enterprises, inc. Copyxight www.mecaenterprizes.com
Date : 2/2/2017 Project No. JobNo
Company Name : True Designed By Engineer
Address : Address Description Description
City : City Customer Name customer
State : State Proj Location Location
File Location: C:\Users\acb2424\Documeats mECA WIND PROJECT FILES\211 MARINA DRIVE-3'ORT PIERCE-HIP
POOF.wnd
Input Paramsta e., Direotional Bsocednre All Neights Building (Ch,27 Part 1)
Basic Wind Speed(V) 170.00 inph
Structuxal Category = II Exposure Category = D
Natural Frequency N/A Flexible Structure - No
Uwortance Factor 1.00 Kd Directional Factor - 0.85
Alpha - 11.50 Zg = 700.00 ft
At 0.09 St - 1.07
Am + 0_11 BM 0.80
Cc - 0.15 1 = 650.00 ft
Lj�silon 0.13 Zmin - 7.00 ft
Pitch of Roof s 3 : 12 Slope of Roof(Theta) 24.04 Deg
h: Mean Roof Ht w 13.19 ft Type of Roof - HIPPED
RHt: Lodge Ht .. 15.38 ft Ebt. Eave Height - 11.00 ft
OH: Roof Overhang at Eave- 3.00 ft Overhead Type = OH W/ soffit
Bldq Length A1oti4 Ridge = 124.14 ft $idg Width Across Ridge- 29.00 ft
Length of Hipped Ridge - 100,00 ft Roof Slope on Hip End - 16.19 Deg
Gust Factor Callculat,ionz
Gast Factor Category I Rigid Structures Simplified Method
Gustl: For Rigid Strictures (Nat. Fxeq.>l Hz) use 0.85 - 0.85
,R]st Factor Category II.Rigid Structures - Complete Analysis
Zm: 0.6*Ht = 7.91 ft
lzm: Cc*(33/Zm)^0.167 0.19
Lzm: 1*(Zm/33)^Epsi1on = 543.14 ft
- 0.94
Gusz2: 0.925*((1t1,7*Szm*3.4*Q)/(1+1.7*3.4*lzm)) = 0.90
Gust Factor Summary
Not a Flexible Structure use the Lessor of Gusts or Gust2 - M5
Table 26.11-1 Internal pressure Coefficianta for Buildings, GCpi
GCPi Internal Pressure Coefficient
Wind Pmessurs Main Wind Jbrcm Resisting System pOURS) Ref Figure 27.4-1
�iM�11+A1•1�1 I��I�F IRYY��M�IY II�
E 'd XHd 13rN3Sb7 dH Wdi�E =g G T OZ 20 qa3
Kh: 2.0*(Ot/Zg)^(2/Alpha) = 1.03
xht: Topographic Factor (Figure 6-4) 1.00
Qh: .00256*(V)^2*I*Xh*Kht"1(d - 38.87 psf
Cpww: Windward Wall Cp(Ref Fig 5-6) 0.80
Roof Area 4737.56 ft^2
Reduction Factor based on Roof Area = 0.80
MMWs Vall Pressure® for Wind Normal to 124.14 ft Wall (Normal to Ridge)
All pressures shown are based upon ASD Design, with a Load Factor of .6
wall CP Prorsure pressure
+G(.2i (peg) -GCPt (PSE)
---Leeward Nall --0.50 -23. --- --52 - --»y 9.52
Side Walls -0.70 -30.13 -16.13
wall Plea Ss Ret Cp qs Prose press Total
ft pef +=p3 -QCP' +/-QCpi
---------- --------------------------..-------------------------
➢Pindward 11.00 1.03 1.00 0.80 38.87 19.44 . 33.43 42.95
Windward 1.00 1.03 1.00 0.80 36.87 19.44 33.43 42.95
Roof Location Cp Pressure Pressure
+GCpi(psf)-GCpi(psf)
- ..-- - --
-------------- -------------------------« ------
Windward - Min Cp -0.70 -30.13 -16.13
Windward - Max Cp -0.15 -11.95 2.04
Leeward Norm to Ridge -D.49 -23.19 -9.19
Hipped End (.00 to 6.59 ft) -0.90 -36.73 -22.74
Flipped End (6.59 to 13.19 ft) -0.90 -36.73 -22.74
Hipped End (13.19 to 26.38 ft) -0.50 -23.52 -9.52
Hipped End (26.38 to 35.00 ft) -0.30 -16.91 -2.92
Overhang Hot (windward only) 0.80 26.43 26.43
Notes - Normal to Ridge
Note (1) Per Fig 27.4-1 Note 7, Since Theta > 10 Deg base calcs on Mean fit
Note (2) Wall & Roof Pressures - Qh*(G*Cp - GCPi)
Note (3) +GCpi - Positive Internal Bldg Press, -GCPi = Negative Internal Bldg Press
Note (4) Total Pressure - Leeward Press + Windward Press (For + or - GCPi)
Note (5) Hipped ends considered as parallel to ridge for all theta.
Rote (6) Ref Fig 27.4-1, Normal to Ridge (Theta>-10), Theta- 14.0 Deg, h/l= 0.11
Note (7) Overhang bottom based upon windward wall Cp and GCpi - 0.
[diiMS-Wall Press=asi for Wind Normal to 29 ft wall (Along Ridge)
All pressures shown are based upon ASD Design, with a Laad Factor of .6
wall CP Pressure Pressure
+GGpi (Pafl -GCpi (pa£)
-- -«
Leeward Wall -0.20 -13.61 0.39
Side Walls -0.70 -30.13 -16.13
wall Elev R2 KMt Cp qa Press Press Total
ft ps! *GCpi -GCpi +/-QCpi
- �
Windward -- 15.38 1.03 1 00 0.80 39.04 19.55 33.54 33 L6
Windward 11.00 1.03 1.00 O.eO 39.87 19.44 33.43 33.04
Windward 1.00 1.03 1.00 0.80 38,87 19.44 33.43 33.04
Roof - Dist fray Oindvard Edge Cp Pressure aresaurs
+GCpi(Psf)-OCpi(Psf)
-------------
_-^-Y--~------
---
Roof: 0.0 ft to 6.6 ft -0.90 - ---_36.73 22.74
Roof: 6.6 ft to 13.2 ft -0.90 -36.73 �22.14
Roof: 13.2 ft to 26.4 ft -0.50 -23.52 -9.52
Roof: 26.4 ft to 130.1 ft -0.30 -16.91 -2.92
Notos - Along Ridgy
Note (1; Ref Fig 27.4-1, Parallel to Ridge (All), h/1- 0.11
Wind Pressure om Components and Cladding (Ch 30 Part 1)
Z v
XUA 13rM21Sd-1 dH WdibE =S LIOZ 20 qa3
a 4
• J ��r�rrrrq�
Roofoot
��
� lj22; l ;
� ►� ,�
'� �S w� IftRod7C0�27
All pressures shown are based upon ASD Design, with a Load Factor of .6
Width of Pressure Coefficient Stine "a" r - 3.00 ft
Deaoription Width Span Brea Some flan Min M z 0 MA P
ft Pt ft"2 t;Cp Gap ps8 Pat
---- ---- ---------------------------- -----
Field 10.00 1.00 10.0 1 0.90 3.90 26.43 41.99
Field 20.00 1.00 20.0 1 0.44 -0.87 24.09 -40.81
Field 50.00 2.00 50.0 1 0.36 -0.83 21.00 -39.27
Perimeter 10.00 1.00 10.0 2 0.50 -1.70 26.43 -73.08
Perimeter 20.00 1.00 2C.0 2 0.44 -1.55 24.09 -67.23
Perimeter 50.00 1.00 50.0 2 0.36 -1.35 21.00 -59.49
Corner 10.0b 1.00 10.0 3 0.50 -1.70 26.43 -73.08
Corner 20.00 1.00 20.0 3 0.44 -1.55 24.09 -67.23
Corner 50.00 2.00 50.0 3 0.36 -1.35 21.00 -59.49
Rhcc:Comp. 6 Clad. Table 6-3 Case 1 1.03
Qhec:.00256*V^2*Khcc*Kht*Kd - 38.87 psf
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