fred&edna
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That makes some sense. I’m surprised manholes are so narrow, since they are obviously made for men to enter them.
They could be wider than I imagine.
This link says ...
A manhole is a term used to describe an access point to an underground utility or sewer system. Manholes are typically round in shape and range in diameter from three to six feet. They are equipped with a ladder or rungs that allow personnel to safely enter and exit the manhole.
How do you measure a manhole? | AmeriTex
How do you measure a manhole and what are standard sizes? Let's break down the answer to this question and more.
![www.ameritexpipe.com](/forums/proxy.php?image=https%3A%2F%2Fwww.ameritexpipe.com%2Ffavicon-32x32.png&hash=67880fbceb3321bff2fd8fcdb17565a2&return_error=1)
From the exterior they look more narrow than 36 inches but I really have no experience (nor do I want to, eek!)
jmo