HomeMy WebLinkAboutWind Speed & ExposureCONTRACTOR: TM -COUNTY AL UM INC.
DES N CRITERIA:
Applicable Codes, Regulations, and Standards
1. The 5th Edition (2014) Florida Building Code, specifically Chapter 16 Structural
Design, Chapter 20 Aluminum, and Chapter 23 Wood.
2. AA ASM 35 and Specifications for Aluminum Structures, Part 1-A ofthe Aluminum
Design Manual prepared by The Aluminum Association, Inc. Washington, D.C., 2010
Edition and the Guide to Aluminum Construction in high wind areas, 2010.
3. ASCE 7-10.
Wind Loads
1. Building Occupancy Category, Paragraph 1604.5 and Table 1604.5: Risk Category
L
2. Basic Wind Speed, Table 1609C, State of Florida Debris Region & Basic Wind Speed,
Paragraph 1609.3.1 and Table 1609.3.1 Equivalent Basic Wind Speed: VN.T = 150
MPH. VASo =116 MPH
3. Exposure Category, Paragraph 1609.4.3: Exposure B
4. Building Category for Aluminum Structures, Paragraph 2002.6: Category TYPE 1 -
Screen Room / Patio Cover: Non -Habitable, Unconditioned
Roof Type
1. Roof Type: MONOSLOPE
2. Roof Material: 3" x 12" 0.032" Town & Country Industries Riser Panel, Florida
Product Approval Number FL 17638
Foundation Design
Existing concrete. 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 of 4" 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 5th Edition (2014) 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 Suncoast Aluminum Engineering, LLC.
3. Screen Material: Design based on 18114 or 20/20 Better View. Any other material
must be approved.
4. 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".
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. Door location shall be determined by contractor in the field.
7. 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. Clean Potable water
vi. Other admixtures not permitted
b. Metal accessories shall conform to:
i. Reinforcing Bars - ASTM A615, grade 60
ii. Welded wire fabric - ASTM 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 temrites 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.
8. All lumber and plywood shall have grade marks and treatment identification and Shall
conform to the following:
a. Framing lumber shall be minimum no. 2 southern yellow pine and have a
maximum moisture content of 15%.
b. Pressure treatments shall be osmosalts, osmose k 33, womansalts or celcure, as
recommended for the use condition. Pressure treated lumber shall be
impregnated with a cca salt treatment in accordance with f s. tt-w-571 and bear
the American Wood Preservatives Institute quality mark 1p-2.
c. Wall Sheathing: APA rated Sheathing, thickness as indicated, Exposure 1.
d. Aluminum members that are uncoated shall be separated from PT lumber by
30# felt paper, 10 mil polyethylene sheet or equivalent material.
9. Contractor shall provide Florida Product Approval information as to the exact window
being utilized for this project, including manufacturers specifications, and installation
methods for anchoring the submitted windows to alum members and specific sizes as
indicated on A-1.
10. Contractor shall provide any additional backing and anchors as required by the
window manufacturers recommended procedures.
11. All glass panels within 24" of a door opening shall be oftempered glass per
FBC-R308.4
12. All flashing and weatherproofing shall be provided by the contractor.
13. Use of these plans acknowledges and accepts a limit of liability not to exceed
design and engineering fee.
WIND SPEED AND ENO SURE HAVE
BEEN DETERMINE NG THE ADVANCED
TECHNOLOGY COUNCIL'S WEBSITE
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