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300 LB IMPACT TEST

CLEARVIEW GLASS RAILINGS • 737 Quentin Avenue South • Lakeland, MN 55043 • ClearViewGlassRailings.com

300 LB

BAG

Impact Spot of

300 LB Weight

36”

60”

12”12”

VIDEO STILLS ON REVERSE SIDE >

36”

This is an impact test of 60” x 39.37” x .53” thick CVGR Hercules tempered laminated glass panel

mounted in two 316 solid core stainless steel spigots. Spigots are centered on glass 36” apart, 12”

from end of glass. Plastic bags are

weighted with 300 lbs of media, pulled back 36” from CVGR glass

panel and then released to free fall to impact the top

center of the CVGR panel. There is no damage

or failure of the CVGR Hercules Glass panel or spigots from this 300 lb impact.

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Summary of content (11 pages)

PAGE 1
C HERCULES GLASS by 300 LB IMPACT TEST ClearView GLASS RAILINGS This is an impact test of 60” x 39.37” x .53” thick CVGR Hercules tempered laminated glass panel mounted in two 316 solid core stainless steel spigots. Spigots are centered on glass 36” apart, 12” from end of glass. Plastic bags are weighted with 300 lbs of media, pulled back 36” from CVGR glass panel and then released to free fall to impact the top center of the CVGR panel.
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CVGR HERCULES GLASS 300 LB IMPACT TEST VIDEO STILLS CLEARVIEW GLASS RAILINGS • 737 Quentin Avenue South • Lakeland, MN 55043 • ClearViewGlassRailings.
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C HERCULES GLASS by ClearView GLASS RAILINGS LOAD TESTING C HERCULES GLASS by ClearView GLASS RAILINGS
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CONSULTANTS · ENVIRONMENTAL · GEOTECHNICAL · MATERIALS · FORENSICS November 13, 2020 Mr. John Ruprecht Clear View Glass Railings 737 Quentin Avenue South Lakeville, MN 55043 Re: Code Requirements & Static Test of Clear View Glass Railings “Hercules Glass” guardrail panel AET Project #: 05-20608 Dear Mr. Ruprecht, This letter reports building code requirements for guardrails; it also reports test methods and results for static tests performed on Clear View’s Hercules Glass panel.
PAGE 5
Mr. John Ruprecht – Clear View Glass Railings AET Project No. 05-20608 October 13, 2020 Page 2 of 4 using criteria specific to Clear View’s panels and support configuration. Hercules Glass Testing Testing was performed on the Hercules Glass panel by Clear View’s glass supplier, to simulate the forces created by 800# horizontal and vertical point loads on the panel (loads are not required to be simultaneous). The vertical load test is fairly straightforward and is shown in photo 1.
PAGE 6
Mr. John Ruprecht – Clear View Glass Railings AET Project No.
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Mr. John Ruprecht – Clear View Glass Railings AET Project No. 05-20608 October 13, 2020 Page 4 of 4 Due to the laminate construction of the panels (similar to a vehicle windshield), the panel broke into small pieces that were retained within the panel, preventing dangerous flying glass debris. See photo 3. Photo 3: Panel after failure, showing all glass intact within laminate structure.
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C HERCULES GLASS by ClearView GLASS RAILINGS FLORIDA HURRICANE CTESTING HERCULES GLASS by ClearView GLASS RAILINGS
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CONSULTANTS · ENVIRONMENTAL · GEOTECHNICAL · MATERIALS · FORENSICS November 17, 2020 Mr. John Ruprecht Clear View Glass Railings 737 Quentin Avenue South Lakeville, MN 55043 Re: Florida Wind Load Requirements for Wind-Borne Debris Regions, and Considerations for “Hercules” Glass Guardrail Panel AET Project #: 05-20608 Dear Mr. Ruprecht, This letter reports the findings of our review of the Florida Building Code (FBC) wind requirements for Wind-Borne Regions, as defined by the FBC.
PAGE 10
Mr. John Ruprecht – Clear View Glass Railings AET Project No. 05-20608 November 17, 2020 Page 2 of 3 The glass used in the panels has a published capacity of 10,000 psi tensile strength. Using the FEM, the pressure was increased until the capacity was reached, which was 100 psf. Plugging this into the ASCE 7-10 equations yields a service wind speed of 155 mph, or 250 mph factored wind speed. This is higher than the FBC’s 180 mph factored wind speed requirement.
PAGE 11
Mr. John Ruprecht – Clear View Glass Railings AET Project No. 05-20608 November 17, 2020 Page 3 of 3 Daniel J. Larson, PE Principal Engineer Florida License #70286 Phone: 651-659-1337 dlarson@amengtest.com Attachment: FBC Section 1609.