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RE: Arena Guardrail Deflections

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    What is the post spacing, thickness of tube and will the tube be placed vertically or horizontally? Is the deflection at the post location or at midspan of top rail?



Alex Nacionales


From: Thor Tandy [mailto:vicpeng(--nospam--at)]
Sent: Monday, April 06, 2009 8:48 AM
Subject: Arena Guardrail Deflections


I’m checking a guard rail in an assembly/egress location.  The section proposed gives a total deflection of post + top rail of about 14mm (9/16”) of the post hgt of 1070mm (42”).


For an assembly area this still seems a bit high. 


Also my client is proposing a top rail 1”x2” tube …


What do you think?




Thor A. Tandy P.Eng, C.Eng, Struct.Eng, MIStructE
Victoria, BC