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Re: Design of bollards

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Mark -

Table 16-B of the 1997 UBC gives a 6000 pound design load at 18" above grade 
for a "Vehicle Barrier".  Section 311.2.3.5 defines a "Vehicle Barrier" for 
you as a barrier located in a parking garage more than 5' above adjacent 
grade.  This may not exactly apply to your bollard, but may be a good place 
to start.

Bruce Resnick, SE
Parker Resnick Str. Eng.

In a message dated 7/26/99 9:52:37 PM Pacific Daylight Time, 
MarkKGilligan(--nospam--at) writes:

<< Can anybody on this list point me to a standard that deals with the design
 of bollards to resist the impact of motor vehicles.  I often have to deal
 with them on projects yet nobody seems to know what design criteria should
 be nor what sort of design methodology is used.
 Thanks in advance for any assistance.
 Mark Gilligan