-GB-Carpy wrote:

I have been told about something called a "creeper board" but I can't find
anything about it. My work only involves small periods of time at a given
chimney, so if it exists it would need to be something I can carry up on the
cat ladder and then take down an hours or so later when I am done.

Try crawl or crawler boards. They are just wooden or board walkways
joining in this case two roof ladders. I think.

Some rules and regs he
http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10753 #1926.452(m)(2)