Manhole tolerance
Manhole tolerance
(OP)
Hi,
Regarding manhole installation, does anybody know the tolerance?
Thanks a lot!
Regarding manhole installation, does anybody know the tolerance?
Thanks a lot!
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS Come Join Us!Are you an
Engineering professional? Join Eng-Tips Forums!
*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail. Posting GuidelinesJobs |
|
RE: Manhole tolerance
RE: Manhole tolerance
RE: Manhole tolerance
However, if your speaking about pipe inverts.....general rule of thumb is 1m max between inverts. If invert separation needs to be greater than 1m, use a drop structure. Also contact your local governing agency, they might have specific requirements.
If your speaking specifically to the installation during construction, typically the pipe opening's in manhole are quite larger than required, contact your manhole manufacturer for specific details. A permanent seal is then formed between the manhole and pipe by either a gasket or concrete parging.
Hope this helps.
Ryb01
RE: Manhole tolerance
I might confuse you.
For the tolerance, I mean as-built coordinates/elevation is not same designed coordinates/elevation. So the tolerance for this difference.
Many thanks for your kind concern.
Best regards,
RE: Manhole tolerance
RE: Manhole tolerance
Thank you!
I don't mean tolerance of pipe invert grad and line.
I want to what the tolerance for concrete manhole. I heard that tolerate for elevation is <=10 mm, elevation is <=10 mm as well.
RE: Manhole tolerance
RE: Manhole tolerance
When in doubt, just take the next small step.
RE: Manhole tolerance
RE: Manhole tolerance