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PL-1/TL-2 Bridge Railings w/ Sidewalk

Question
State MN
Description Text We are looking for details for a 32” tall bridge railing that is installed on an 8”
tall sidewalk. Do you know of any? 
Keywords
  • Bridge Rails
Other Keywords none
Date July 31, 2014


Response
Response

I have not yet found a 32” tall bridge railing that is installed on an 8” tall sidewalk. I have found a couple that utilized a 42” height.

 

TL-2 BR27C Bridge Railing w/ sidewalk – 42” above sidewalk

TL-2 BR27D Bridge Railing w/ sidewalk – 42” above sidewalk

 

The file 'FHWA-RD-93-058.pdf' (20.3 MB) is available for download at

< http://dropbox.unl.edu/uploads/20140814/258b3211a4258bec/FHWA-RD-93-058.pdf >

for the next 14 days.

It will be removed after Thursday, August 14, 2014.

 

The file 'FHWA-RD-93-065-1.pdf' (19.6 MB) is available for download at

< http://dropbox.unl.edu/uploads/20140814/a142a3dd65c8a61d/FHWA-RD-93-065-1.pdf >

for the next 14 days.

It will be removed after Thursday, August 14, 2014.

 

Date July 31, 2014


Response
Response

Any luck in finding a 32” tall vertical face parapet mounted on an 8” sidewalk that meets TL-2?  We’ve verified that our parapet meets the structural requirements to resist TL-2 loads, but still need confirmation that the geometry meets crash test requirements (32” vertical face parapet mounted on an 8” sidewalk).  We’ve been using this standard for a number years and need to decide if we should discontinue its use, and if retrofitting of past installations is necessary.

 

Date August 12, 2014


Response
Response

I had only found the 42” tall railing systems with advance sidewalk. I have emailed Dean Alberson at TTI to inquire whether they have tested shorter variations at 32” with sidewalk.

Date August 13, 2014


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