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The Authority On Sustainable Building: Gully Trap Construction

The document discusses gully trap construction for waste pipes, including that gully traps must be watertight, have grating that pops up during surcharge, and concrete surround if prone to damage, and every home requires at least one gully trap with rim 150mm below lowest fixture overflow level.

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71 views1 page

The Authority On Sustainable Building: Gully Trap Construction

The document discusses gully trap construction for waste pipes, including that gully traps must be watertight, have grating that pops up during surcharge, and concrete surround if prone to damage, and every home requires at least one gully trap with rim 150mm below lowest fixture overflow level.

Uploaded by

Anonymous IGtWHoi0
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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THE AUTHORITY ON SUSTAINABLE BUILDING

www.level.org.nz

Gully trap construction


© BRANZ 2009

waste pipes (may discharge through the back of the


chamber) but must be watertight

grating must ‘pop-up’ in the event of surcharge

concrete surround if gully is likely to suffer damage

every residential building must have at least one


gully, the rim of which is 150 mm below the overflow
level of the lowest fixture
pipe bedding material

flow

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