HomeMy WebLinkAboutENGINEERING WIND SPEED & EXPOSURECONTRACTOR: WYNNE BUILDING CORP
DESIGN CRITERIA:
Applicable Codes, Regulations, and Standards
1. The 7th Edition (2020) Florida Building Code, specifically Chapter
16 Structural Design, Chapter 20 Aluminum, and Chapter 23 Wood.
2. AA ASM 35 and AA ADMI Specifications for Aluminum
Structures, Part 1-A of the Aluminum Design Manual prepared by
The Aluminum Association. and the AAF Guide to Aluminum
Construction in High Wind Areas.
3. ASCE 7-16.
Loading Criteria
1. Live Load: 10 PSF per 7th Edition (2020) Florida Building Code,
Appendix I Section 105.1
2. Dead Load: 1 PSF
3. Wind Load:
3.1. Building Occupancy Category, Section 1604.5 and Table
1604.5: Risk Category 1.
3.2. Ultimate Design Wind Speed: VutT = 150 1v1PH. Nominal
Design Wind Speed: VASD = 116 MPH
3.3. Exposure Category, Section 1609.4.3: Exposure B
3.4. Screen Enclosure Section 2002.4
4. Building Category for Aluminum Structures, Section 2002.6:
Category Type 1 - Patio Cover: Non -Habitable, Unconditioned
Roof Type
1. Roof Type: GABLE
2. Roof lvlaterial: 3" x 12" 0.030" Town & Country Industries Riser
Panel, Florida Product Approval Number FL 17638-R2
Foundation Design
Existing concrete slab. No additional concrete footing or slab is
required to resist the loads imposed upon the existing slab by the
proposed construction if the existing slab is a minimum of4" thick
and in sound condition. free from structural cracking, spalling, or
other deterioration.
Specifications
The following specifications are applicable to this project:
1. All work shall be in accordance with the 7th Edition (2020) Florida
Building Code, and any other applicable local codes and regulations.
2. Aluminum extrusions shall be 6005 T5 Alloy. Due to quality control
issues, no manufacturer substitution is acceptable without the
specific written, signed and sealed authorization of Florida
Aluminum Engineering, Inc.
3. Fasteners are required to be corrosion resistant, minimum SAE
Grade 2 or better zinc plated to ASTM B633, or coated stainless steel
series "300", or uncoated stainless steel series "400".
4. Approved concrete screw anchors to be Simpson Titen-HD or
equivalent.
5. All Self Mating Beam Sections are to be stitched with either #14
screws 6" from ends and 24" center to center or # 12 screws 6" from
ends and 12" center to center.
6. Where concrete specifications are required, whether in the screen
enclosure scope or not, by one or more regulatory agency, the
following specifications are applicable:
a. Concrete shall conform to ASTM C94 for the following
components:
i. Portland Cement Type 1,- ASTM C 150
ii. Aggregates - Large Aggregate 3/4" max - ASTM C 33
iii. Air entraining +/- 1% - ASTM C 260
iv. Water reducing agent - ASTM C 494
v. Crean Potable water
vi. Other admixtures not pemutted
b. Metal accessories shall conform to:
i. Reinforcing Bars - ASTM A615, grade 60
ii. Welded wire fabric - ASTIvI A185
c. Concrete slump at discharge chute not less than 3" or more
than 5". Water added after batching is not permitted.
d. Prepare and place concrete per American Concrete Institute
Manual of Standard Practice, Parts 1, 2, and 3 including hot
weather recommendations.
e. Moist cure or polyethylene curing permitted.
f. Prior to placing concrete, treat the entire subsurface area for
termites in compliance with the FBC.
g. Concrete shall be placed over a polyethylene vapor barrier.
h. All aluminum components embedded within concrete shall
be coated with a bituminous paint or epoxy.
7. All flashing and weatherproofing shall be provided by the contractor.
8. Use of these plans acknowledges and accepts a limit of liability not
to exceed design and engineering fee.
WIND SPEED AND EXPOSURE HAVE
BEEN DETERMINED USING THE ADVANCED
TECHNOLOGY COUNCIL'S WEBSITE
AND GOOGLE EARTH.
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