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Best way to join the waste pipes

Discussion in 'Roofing and Guttering' started by Simon Vogt, 4 Apr 2021.

  1. Simon Vogt

    Simon Vogt

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    I have these 3 waste pipes going into one drain.

    One is from guttering, one is the waste from the kitchen sink and the third one is the outlet from the condenser boiler

    It looks a bit messy having 3 pipes into one drain - what would you think is the best way to join them all up for neatness?

    I was hoping some way to have the two smaller waste pipes to join into the guttering section leaving just once pipe going into the drain

    Thx :)
     

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  3. noseall

    noseall

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    No, not possible really and certainly not standard procedure.

    It also looks like the two wastes are different sizes i.e. one looks to be push-fit and the other solvent weld, so these will have to remain as separates unless you wish to convert one. They do perform better as separates in any case.
     
  4. Simon Vogt

    Simon Vogt

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    Thanks Noseall - you're right there are 3 diff sizes in total

    The smaller 32mm pipe is like a push fit - is there name to the solvent that glues the fittings together?

    Also would you know - should the drain pipes extend down further into the drain? there is platic grill over the drain, I didn't know if the waste pipes should go down further into the drain area

    Thanks again
     
  5. Harry Bloomfield

    Harry Bloomfield

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    The grey water pipes should extend to below the grid, but....

    Are you sure that a rain water gulley should be used for disposal of grey water? Some areas have separate drainage of grey/soil water from the rain water. Rain water goes direct to rivers and streams untreated, so water authorities do trace sources and can prosecute if you get it wrong.

    Your rain water fall pipe stops some way short of the gulley and lacks the end - that will cause splashing and damp in that wall behind it.
     
  6. Simon Vogt

    Simon Vogt

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    Hi Harry,

    Can I take it when you say grey water you mean from sources like sinks/baths/showers etc

    This is how the drain setup has been since we moved here 15 years ago so can only part assume that how it is is the correct setup - there is no other drain access in the vicinity.

    My plan is to extend the rain fell down lower because as you say, it does splash around the drain and spillage outside of the gulley. Should there be an "end" on the end of the rain water fell?

    I've just been googling about drain types - interesting - our house was built in the 1940's and I think that that drain goes into the waste water drain rather than having it's own rainwater drain

    Every day's a school day :)
     
  7. Harry Bloomfield

    Harry Bloomfield

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    Yes.

    Don't assume, check it out. If there is only one drainage system for both that's fine. Many builders are not aware, or simply don't care and that looks like an extension to the original build.

    Next door to me were caught out and received letters threatening court action unless theirs was rectified.

    Yes.
     
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  8. Simon Vogt

    Simon Vogt

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    That's fair I know all about not assuming - I've just emailed South West Water to see if they have any plans - I think though that I can pull the drain cover that is just by that drain to see if it drains into the grey waste

    Don't suppose you know if the "end" has a name or what it is?

    My guttering/waste knowledge is nill - in case you hadn't noticed ;)
     
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  10. Harry Bloomfield

    Harry Bloomfield

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    They are called a 'fall pipe shoe', they are quite a cheap item - but the fall pipe looks a little too short to work properly. Maybe buy both a length of pipe and a shoe.

    The thing it drains into, with the grid on top, is called a 'hopper' or 'gulley'.
     
  11. Simon Vogt

    Simon Vogt

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    I'm slowly trying to work my way around the place doing these little jobs - and was going to just buy a new section of guttering and redo that bit :)

    I've googled the shoe - hopefully it will all transpire that the drain is a single drain system

    If you're interested, I'll post when I found out re. drainage system?

    Cheers
     
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  12. Harry Bloomfield

    Harry Bloomfield

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    Always interested, please do!
     
  13. Simon Vogt

    Simon Vogt

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    Just to update on the drain story.

    I emailed South West Water who sent me a drain map back for my post code - and thankfully, the drain is a combined drain of both grey and rain water. I thought it would be, but always good to know for sure so Thanks Harry.

    I've not extended all of the waste pipes so that they go down into the gully as some were definitely splashing outside of the actual gully.

    I made a very temporary cover until I can think of / make something a little more permanent (I'm not a handyman so don't judge)

    Thanks all again :)
     

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  14. diy_fun_uk

    diy_fun_uk

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  15. Harry Bloomfield

    Harry Bloomfield

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    £1 each, in the pound shops.
     
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