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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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110mm soil pipe, how to connect 32/40mm drains?
Hi all,
I know you can get a "strap on boss" to connect your 32mm or 40mm wastepipes to your 110mm soilpipe, however what do you do if there is no space for one? At the floor level I have the tee for the toilet, a bit higher up the boss for the bathtub, a bit higher up the boss for the handwash basin, and a bit higher up there's an inspection part. I want to put a separate shower cubicle in the corner, however there simply is no space for the connection to the soil pipe, that would be low enough. Now, looking at the 110mm tee for the toilet there are four (two on each side) "pipes" sticking out, but not bored through, offset at 90 degrees from the toilet waste. These are 45mm. And looking at the inspection part higher up there are three, offset 90 degrees from each other, these are 55mm. What's the purpose of these, to actually be cut through and used to connect drainpipes? The sizes kinda indicate that they're intended for potentially connecting 40mm and 50mm wastepipes but I could be dead wrong. Thanks in advance!!! |
#2
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110mm soil pipe, how to connect 32/40mm drains?
at the 110mm tee for the toilet there are four (two on each
side) "pipes" sticking out, but not bored through, offset at 90 degrees from the toilet waste. These are 45mm. And looking at the inspection part higher up there are three, offset 90 degrees from each other, these are 55mm. As an example to better explain my poor verbal explanation please see: http://www.roplas.co.uk/pdfs/Soil%20...components.pdf Look at the "SP254 ACCESS PIPE" and the "SP581 BOSS PIPE" - the "apparently unconnected pipe connectors" are what I am talking about. Are these usable to connect drains, or would one break weird building regs by doing so? |
#3
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110mm soil pipe, how to connect 32/40mm drains?
On 06/03/2008 20:34, oh wrote:
Now, looking at the 110mm tee for the toilet there are four (two on each side) "pipes" sticking out, but not bored through, offset at 90 degrees from the toilet waste. These are 45mm. And looking at the inspection part higher up there are three, offset 90 degrees from each other, these are 55mm. You can drill them out and fit a boss adapter to reduce them to 40 or 32mm, be aware there are rules about using multiple connections and minimum vertical separations between them, see this [1] and the regulations and standards referred to in it. [1] http://www.brettmartin.com/building/...gevolumes.aspx |
#4
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110mm soil pipe, how to connect 32/40mm drains?
In an earlier contribution to this discussion,
Andy Burns wrote: On 06/03/2008 20:34, oh wrote: Now, looking at the 110mm tee for the toilet there are four (two on each side) "pipes" sticking out, but not bored through, offset at 90 degrees from the toilet waste. These are 45mm. And looking at the inspection part higher up there are three, offset 90 degrees from each other, these are 55mm. You can drill them out and fit a boss adapter to reduce them to 40 or 32mm, be aware there are rules about using multiple connections and minimum vertical separations between them, see this [1] and the regulations and standards referred to in it. [1] http://www.brettmartin.com/building/...gevolumes.aspx Alternatively, couldn't you join the shower and bath waste pipes together before they reach the stack? -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! |
#5
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110mm soil pipe, how to connect 32/40mm drains?
Roger Mills wrote:
Alternatively, couldn't you join the shower and bath waste pipes together before they reach the stack? I can join the shower and bath waste pipes together before the soil pipe however wouldn't there be a risk that water would come back up the shower trap if I fill the bath and lift the plug, or that the suction of the bath water drains it? |
#6
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110mm soil pipe, how to connect 32/40mm drains?
In an earlier contribution to this discussion,
oh wrote: Roger Mills wrote: Alternatively, couldn't you join the shower and bath waste pipes together before they reach the stack? I can join the shower and bath waste pipes together before the soil pipe however wouldn't there be a risk that water would come back up the shower trap if I fill the bath and lift the plug, or that the suction of the bath water drains it? I suppose there's a slight risk that a gush from the bath could 'pull' the shower trap. The other way round, if a bit of bath water temporarily enters the shower tray it won't do much harm - but it's not particularly likely anyway. I have shower and basin (admittedly not bath) wastes combined with no problem whatsoever. -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! |
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