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Max Length for toilet and bathroom waste pipes?


 
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chelseablue1979

from United Kingdom

Joined: 29 Aug 2010
Posts: 5
Location: Cambridgeshire,
United Kingdom

PostPosted: Sun Aug 29, 2010 7:53 pm Reply with quote

Please help. We are currently looking at a project to convert our existing bathroom into a bedroom, with a new bathroom being created on the opposite side of the property.

We have significant issues with installing a new soil stack and considering running bath/toilet/ sink waste pipe on the outside wall of the property down to the existing soil stack as this will enable us to achieve the required fall for a soil waste pipe with a total length of approx 7m. Looking at the building regs part H it appears a max length of 6m exists for branch connections, but the document also makes reference to exceeding this distance if the pipe itself is ventilated? I am assuming this is in addition to normal soil stack ventilation?

Does anyone have any experience with a similar situation if so any advice would be gratefully received.
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seco services

from United Kingdom

Joined: 03 Dec 2007
Posts: 15615
Location: Essex,
United Kingdom
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PostPosted: Sun Aug 29, 2010 7:57 pm Reply with quote

extend waste by adding air admittance valves to the pipework.
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chelseablue1979 (29 Aug 2010)
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chelseablue1979

from United Kingdom

Joined: 29 Aug 2010
Posts: 5
Location: Cambridgeshire,
United Kingdom

PostPosted: Sun Aug 29, 2010 8:02 pm Reply with quote

seco services wrote:
extend waste by adding air admittance valves to the pipework.


Thanks for the reply. Soryr to be cheeky but do you also know if I will need to involve building control/regs if I am not installing a new soil stack and merely plumbing in to the exisiting stack?
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seco services

from United Kingdom

Joined: 03 Dec 2007
Posts: 15615
Location: Essex,
United Kingdom
Thanked: 1241 times

PostPosted: Sun Aug 29, 2010 8:43 pm Reply with quote

yes your changing the room.
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chelseablue1979 (30 Aug 2010)
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