bath room drainage
- Thread starter Rick123
- Start date
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I don't really understand the question, are you conecting to a soil stack which runs into drains deeper than the basement, or a masserator.
If the WC branch needs to be vented then the branch ventilating pipe should connect within 300mm of the WC and join the stack at a point higher than the spill-over level of the highest appliance discharging into the stack and be min. 25mm pipe. (modified single stack system).
If the basin is ventilated by a ventilating pipe and not an antisyphonic trap, then I guess you are ok, as long as the above criteria are met.
How are you plumbing the shower drain ?
into the 110mm horizontal WC branch?
If the drains gets blocked, the shower could get contaminated with poo, I wouldn't plumb it like that, I'd put it on its own branch above the WC branch.
If the WC branch needs to be vented then the branch ventilating pipe should connect within 300mm of the WC and join the stack at a point higher than the spill-over level of the highest appliance discharging into the stack and be min. 25mm pipe. (modified single stack system).
If the basin is ventilated by a ventilating pipe and not an antisyphonic trap, then I guess you are ok, as long as the above criteria are met.
How are you plumbing the shower drain ?
into the 110mm horizontal WC branch?
If the drains gets blocked, the shower could get contaminated with poo, I wouldn't plumb it like that, I'd put it on its own branch above the WC branch.
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