On Sat, 17 Jun 2017 14:19:55 -0400, Tekkie®
wrote:

I have an outdoor handicap ramp with a wooden handrail which just broke.
What are your thoughts on what material to replace it with? PT wood,
composite, metal?

Unless it was a dowel, it probably was not legal anyway. The rail has
pretty specific outer diameter requirements. They really like 2" OD
pipe.

This is all in the Florida code that is a direct lift from the US ADA
and the ICC codes
http://floridabuilding2.iccsafe.org/app/book/content/2014_Florida/Accessibility%20Code/Chapter%205.html

505.7 Cross Section.
Handrail gripping surfaces shall have a cross section complying with
505.7.1 or 505.7.2.

505.7.1 Circular Cross Section.
Handrail gripping surfaces with a circular cross section shall have an
outside diameter of 11/4 inches (32 mm) minimum and 2 inches (51 mm)
maximum.

505.7.2 Non-Circular Cross Sections.
Handrail gripping surfaces with a non-circular cross section shall
have a perimeter dimension of 4 inches (100 mm) minimum and 61/4
inches (160 mm) maximum, and a cross-section dimension of 21/4 inches
(57 mm) maximum.