Need advice with new downstairs toilet / sink - Waste issue

[icemancomeths]

Hi all,

I am pretty much a novice and on a budget hence why I am trying to do the work myself.

I wish to convert a downstairs utility room into a toilet and a sink. Currently I have running hot and cold water so that's not the issue. The issue is with the waste.

There already is a waste pipe (4cm) going into the outside Soil Pipe (10cm), this was the old washing machine waste pipe.

My questions are this:
1. Can the Toilet waste be fed through this 4cm pipe?
2. If not then what tools / steps are needed to cut a 10cm through a brick wall then into the soil pipe?

I hope I'm not too vague and appreciate your help.

Thanks

 

[Simon F]

1 - no!
2 - usually a core drill or hammer and chisel

 

[Simon F]

if you were to use a macerator that's different

 

[icemancomeths]

Cheers Simon F

 

[PlumbBobBob]

you will have to contact building control as it a new toilet install not just a replacement

 

[jacoblee]

Hi all,

I am pretty much a novice and on a budget hence why I am trying to do the work myself.

I wish to convert a downstairs utility room into a toilet and a single pedestal sink. Currently I have running hot and cold water so that's not the issue. The issue is with the waste.

There already is a waste pipe (4cm) going into the outside Soil Pipe (10cm), this was the old washing machine waste pipe.

My questions are this:
1. Can the Toilet waste be fed through this 4cm pipe?
2. If not then what tools / steps are needed to cut a 10cm through a brick wall then into the soil pipe?

I hope I'm not too vague and appreciate your help.

Thanks

Hello Icemancomeths,
1. Can the Toilet waste be fed through this 4cm pipe?
Yes this is sufficient for toilet waste.

2. If not then what tools / steps are needed to cut a 10cm through a brick wall then into the soil pipe?
No need to such things

 

[PlumbBobBob]

Hello Icemancomeths,
1. Can the Toilet waste be fed through this 4cm pipe?
Yes this is sufficient for toilet waste.

2. If not then what tools / steps are needed to cut a 10cm through a brick wall then into the soil pipe?
No need to such things

as this was initially posted almost 5 years ago I would hazard a guess that the work has been done by now.

 

[SimonG]

And you ain't getting a toilet waste through a 40mm/4cm pipe unless it's attached to a macerator.