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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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Soil pipe cutting/routing
I am fitting out a new bathroom in an extension. The soil pipe for
the toilet has to run around a wall edge and then drop down into a socket in the floor space. Due to the next drop this runs at an angle in the ceiling space below. It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictu http://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Thanks for reading. Painters10 |
#2
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Soil pipe cutting/routing
On 10 Mar, 22:13, Painters10 wrote:
I am fitting out a new bathroom in an extension. *The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. *Due to the next drop this runs at an angle in the ceiling space below. *It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. *But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictuhttp://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. *So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Thanks for reading. Painters10 Yes, chop your access bend about a bit if necessary. Alternatively, if you're willing to go without that rodding point at that location, use 2 obtuse bends in place of the 90 degree and obtuse you have now. 2 obtuse bends will give quite a bit lower profile, and can be twisted about each other to give a lot of angular flexibility. If there's an appropriate spot, you could then use a straight pipe section rodding point in the soil branch pipe. |
#3
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Soil pipe cutting/routing
Painters10 wrote:
I am fitting out a new bathroom in an extension. The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. Due to the next drop this runs at an angle in the ceiling space below. It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictu http://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Check first that there will still be enough straight to plug into the socket. It won't work well if, as I suspect, removing 50mm will put the seal on part of the bend. Colin Bignell |
#4
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Soil pipe cutting/routing
Nightjar "cpb"@ insertmysurnamehere wrote:
Painters10 wrote: I am fitting out a new bathroom in an extension. The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. Due to the next drop this runs at an angle in the ceiling space below. It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictu http://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Check first that there will still be enough straight to plug into the socket. It won't work well if, as I suspect, removing 50mm will put the seal on part of the bend. Colin Bignell just welly it full off silicone then. |
#5
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Soil pipe cutting/routing
"Painters10" wrote in message ... I am fitting out a new bathroom in an extension. The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. Due to the next drop this runs at an angle in the ceiling space below. It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictu http://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Would this give you a tighter bend radius? http://www.screwfix.com/prods/18625/...nch-Grey-SP502 Obviously would also need a plug. |
#6
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Soil pipe cutting/routing
The Natural Philosopher wrote:
Nightjar "cpb"@ insertmysurnamehere wrote: Painters10 wrote: I am fitting out a new bathroom in an extension. The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. Due to the next drop this runs at an angle in the ceiling space below. It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictu http://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Check first that there will still be enough straight to plug into the socket. It won't work well if, as I suspect, removing 50mm will put the seal on part of the bend. Colin Bignell just welly it full off silicone then. If you want to try that, check whether the BCO would accept it first. Colin Bignell |
#7
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Soil pipe cutting/routing
Would this give you a tighter bend radius?http://www.screwfix.com/prods/18625/...92-5-87-5-Acce... I looked at that to solve a similar problem myself, and no, they're all the same size. Even the floplast adjustable bend introduces a similar sized offset (it's also double socketed). Only making the 90 degrees (or about that) up with a couple of obtuse bends worked. |
#8
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Soil pipe cutting/routing
Thanks for the suggestions.
BCO want a rodding point at that position and I can't change the access branch easily, so I think my only course is to chop the pipe and silicone it so that it's not just the rubber seal. |
#9
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Soil pipe cutting/routing
On Mar 11, 8:53 am, Painters10 wrote:
Thanks for the suggestions. BCO want a rodding point at that position and I can't change the access branch easily, so I think my only course is to chop the pipe and silicone it so that it's not just the rubber seal. BCOs IMHO are very pragmatic and I would expect them to *assist* you with a solution rather than insist on a sceme that would not actually work out...unless you've wound him up? :)) Give him a call and chat about it ? Cheers JimK |
#10
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Soil pipe cutting/routing
On 10 Mar, 22:13, Painters10 wrote:
I am fitting out a new bathroom in an extension. *The soil pipe for the toilet has to run around a wall edge and then drop down into a socket in the floor space. *Due to the next drop this runs at an angle in the ceiling space below. *It's all been OKd with building control but I have a problem with drop heights. I have to have an access rod point and so I need to use a RA bend with access hole. *But once this is inserted the horizontal pipe position is too high. Working to the minimum 18mm per metre that the building regs state for a 110mm pipe I need to drop my pipe by about 50mm This is very hard to explain so I've uploaded a pictuhttp://img694.imageshack.us/img694/4296/soilpipe.jpg The RA access bend goes into the floor point about 70mm and I think there is about 30mm of gentle bend that could go in. *So is it OK to chop 50mm off the RA access bend so that once it's inserted it will drop my pipe height? Thanks for reading. Painters10 Can you rotate the socket in the floor space and then use a 45 or adjustable connector (not sure if these come with access points)? You may have to cut some of the flooring away to allow rotation. |
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