soil pipe

marney · 9 Sep 2009

hi can anybody give me the angle needed for a wast pipe to join a soil pipe eg how many inches per meter
cheers

doitall · 9 Sep 2009

2.5degs

picasso · 9 Sep 2009

probably not a good idea to mix inches and metres, you,ll just get confused, as doitall said 2.5 degrees which I think equals a 1 in 40 fall or 25mm in every metre.

tamz · 9 Sep 2009

1 in 40........... but why bother?
Took out one last week that had a 12ft trap

Had worked ok for past 8 years

Nige F · 10 Sep 2009

Have to agree with tamz..... 1in 40 is a rule of thumb for underground drains . BUT the soil branches , bends are set for 2.5 degree fall. eg. 87.5 degrees.

doitall · 10 Sep 2009

Nige F said:
Have to agree with tamz..... 1in 40 is a rule of thumb for underground drains . BUT the soil branches , bends are set for 2.5 degree fall. eg. 87.5 degrees.

Thats the wrong way Nigle

try 92.5 deg

Nige F · 10 Sep 2009

well I did admit in another post that I can`t do maths

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soil pipe

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