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Re: Steel Ladders

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>Does any one have a reference for vertical steel ladder standards or 
>design.  The ladder type is one that is mounted on the exterior wall of a 
>building to provide access to a flat roof for mechanical equipment 
>I could not find any info in the UBC or UBC Standards

F840-83(1998)e1 Standard Specification for LADDERS, Fixed, Vertical, 
Steel, Ship's

There's also an ANSI standard A14.3, I think--anyway ANSI A14. something 
that governs fixed ladders, but the dumbass ANSI web site and the dumbass 
Global site claims they know nothing, and I don't have the patience to 
plow through it all. You migth also want to check out the OSHA regs to 
see if there's anything further governing your particular need.

Christopher Wright P.E.    |"They couldn't hit an elephant at
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)

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