SNOW BLOCKER DECK MOUNT SNOW FENCE SPECIFICATION SHEET
SNOW GUARDS
PART 1
1.1
1.2
SUMMARY
A.
Section Includes:
1.
Snow Guards for stick framed roof types to be installed into structural roof member such as a
truss or rafter beam.
2.
Coordinate with roof installation to assure proper placement of the snow guards.
B.
Related Sections:
1.
Division 01: Administrative, procedural, and temporary work requirements.
2.
Section 07 3113 - Asphalt Shingles.
3.
Section 07 3126 - Slate Shingles.
4.
Section 07 3129 - Wood Shingles.
5.
Section 07 3200 - Roof Tiles.
6.
Section 07 4113 - Metal Roof Panels.
7.
Section 07 6100 - Sheet Metal Roofing.
REFERENCES
A.
1.3
GENERAL
ASTM International (ASTM):
1.
A36/A36M - Standard Specification for Carbon Structural Steel.
2.
A240 - Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet,
and Strip for Pressure Vessels and for General Applications.
3.
A500 – Standard Specification for Cold Formed Welded and Seamless Carbon Steel Structural
Tubing in Rounds and Shapes
4.
A554 – Standing Specification for Welded Stainless Steel Mechanical Tubing
5.
A606/A606M - Standard Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy,
Hot-Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance.
6.
A709/A709M - Standard Specification for Structural Steel for Bridges.
7.
A879/A879M - Standard Specification for Steel Sheet, Zinc Coated by the Electrolytic Process for
Applications Requiring Designation of the Coating Mass on Each Surface.
8.
B124/B124M - Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and
Shapes.
9.
B152 - Standard Specification for Copper Sheet, Strip, Plate and Rolled Bar.
10. B209 - Standard Specification for Aluminum Alloy Sheet and Plate.
11. B241 – Standard Specification for Aluminum and Aluminym-Alloy Seamless Pipe and Seamless
Extruded Tube.
12. B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel.
13. A1011 – Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural,
High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High
Strength.
14. A588 – Standard Specification for High-Strength Low-Alloy Structural Steel, up to 50 ksi [345
MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance.
15. B209 – Standard Specification for Aluminum and Aluminum Alloy Sheet and Plate
SYSTEM DESCRIPTION
A.
Components
TRA Snow and Sun
01/20/2015
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Roof Snow Guards
1.
2.
3.
4.
5.
6.
B.
1.4
1.5
1.6
A.
Submittals for Review:
1.
Shop Drawings: Show locations of snow guards on roof and attachment spacing.
2.
Product Data: Include manufacturer's product data sheets on each product to be used and
installation instructions.
3.
Samples:
a.
Individual deck mount snow guard sample.
b.
Color chips showing available colors.
B.
Sustainable Design Submittals:
1.
Recycled Content: Certify percentages of post-consumer and pre-consumer recycled content.
2.
Regional Materials: Certify location of material manufacturer and distance from manufacturer to
project site.
QUALITY ASSURANCE
A.
Installer Qualifications: Minimum 2 years experience in work of this Section.
B.
Recycled Content: Minimum [__] percent recycled [aluminum] [steel] [stainless steel] [copper], with
minimum [__] percent classified as post-consumer.
DELIVERY, STORAGE AND HANDLING
Stack materials to prevent damage and to allow for adequate ventilation.
WARRANTIES
A.
PART 2
2.1
Design Requirements:
1.
System design: Design snow retention as complete system with all components furnished by
same manufacturer.
2.
Accessories and fasteners: Capable of resisting design forces in accordance with applicable
Building Code.
3.
Provide engineered system to fail point of all components, framing, decking, fasteners, roofing,
and snow guards.
SUBMITTALS
A.
1.7
Snow Fence Snow guard system consists of snow guard Deck Mount bracket.
Pipe (Snow Fence).
Unions.
Collars.
End Caps.
Ice Flags.
Furnish manufacturer’s 20 year material components replacement warranty including shipping,
covering failed components that do not meet or exceed engineered design loads.
PRODUCTS
MANUFACTURERS
A.
Contract Documents are based on products by TRA Snow and Sun, 1657 South 580 East, American
Fork, UT 84003, 800-606-8980, 801-756-8666, Fax 801-756-7891, info@trasnowandsun.com,
www.trasnowandsun.com.
TRA Snow and Sun
01/20/2015
07 7253-2
Roof Snow Guards
B.
2.2
DECK MOUNT SNOW FENCE SNOW GUARDS
A.
Product: (choose one)
1.
Snow Blocker Snow Fence, one rail snow fence for metal panel roofs.
2.
Snow Blocker Snow Fence, two rail snow fence for metal panel roofs.
B.
Material:
1.
Copper, 1/4 inch (6 mm) thick.
2.
Steel, 1/4 inch (6 mm) thick.
3.
Cor-Ten steel, 16 gage, 1/4 inch (6 mm) thick.
C.
Finish:
1.
Powder Coated.
a.
RAL________.
b.
Best match of roof color from manufacturer’s standard colors.
c.
To be selected/approved by architect (submit samples).
2.
Hot Dipped Galvanized.
3.
Mill Finish.
4.
Electrogalvanized Steel (Paintlock).
5.
Raw steel.
D.
Accessories:
1.
Pipe: 3/4 inch (19 mm) ID, 1-1/8 inch (29 mm) OD, 10 foot (3050 mm) sections.
2.
Unions: Allow joining of two pipe sections; one per pipe section.
3.
Collars: 3/4 inch shaft collar, to prevent lateral pipe movement.
4.
Endcaps: 3/4 inch (19 mm), snap-in fit, zinc plated steel, for finished pipe ends
5.
Ice Flag: [One] [Two] rail, custom sized to fit fence; attach to fence rail to prevent snow and ice
from sliding beneath rail.
PART 3
3.1
Verify that roofing materials, framing, decking, and fastenings are capable of resisting design forces in
accordance with applicable Building Code.
PREPARATION
A.
3.3
EXECUTION
EXAMINATION
A.
3.2
Substitutions: [Under provisions of Division 01.] [Not permitted.]
Clean areas to receive attachments; remove loose and foreign matter that could interfere with
installation or performance.
INSTALLATION
A.
Install in accordance with manufacturer's instructions and approved Shop Drawings.
B.
Place snow guards level and aligned.
C.
Fasten to supporting construction.
TRA Snow and Sun
01/20/2015
07 7253-3
Roof Snow Guards
END OF SECTION
TRA Snow and Sun
01/20/2015
07 7253-4
Roof Snow Guards