4 inch pipe route

[Fizzer]

Hi All,
quick question, hopefully there is a simple answer...
We're planning a new en suite, the waste pipe needs to take a circuitous route to reach the drain:

• 4 inch pipe exits side of house just above first floor level
• travels 2M back to near the corner of house and re-enters just below ceiling height
• travels 3.5 M across ceiling in our sitting room
• exits through wall (back of house) at about 2M high
• drops to drain at back of house.

The reason for the route is that there is a conservatory on the back of the house - hence needing to re-enter the house to make it across to the drain.

So the question is, as long as the drops are all correct and rodding access OK, is it OK to exit and reenter a house in this way?

Many thanks in advance.

Andy

 

[Newboy]

A plan of the house & external drain might help - there may be a more efficient route. Don't be governed by the position of the existing drain when there may be a sewer you can connect to at a more convenient point.

The first (2 m) run in your post sounds far too steep and, if I understand your plan, dropping c.400 mm over 3.5 m is also too high a fall.

 

[Terrywookfit]

A plan of the house & external drain might help - there may be a more efficient route. Don't be governed by the position of the existing drain when there may be a sewer you can connect to at a more convenient point.

The first (2 m) run in your post sounds far too steep and, if I understand your plan, dropping c.400 mm over 3.5 m is also too high a fall.

If you're saying the first two sections have too much fall..............What about the vertical bit ???

 

[Nige F]

• 
  
• travels 3.5 M across ceiling in our sitting room

Andy

Have you designed soundproofing for that part.

 

[dilalio]

• 
  
• travels 3.5 M across ceiling in our sitting room

Andy

Have you designed soundproofing for that part.

Water feature in the living room!
I'm sure that's Feng Shui-tastic

 

[Steelmasons]

6 metres maximum unless soil pipe is vented.

 

[Newboy]

What about the vertical bit ???

Well I'm assuming that the vertical bit is the fall into the existing sewer via a rest bend - probably a big assumption!

 

[Fizzer]

Hi all, thanks for the replies
newboy - Unfortunately due to the location of the drain, this is already going to the closest point. Where the pipe initially exits the house it'll be a vertical T - vent up and a small drop, then back at the correct drop to where it'll re-enter the house. After it exits the sitting room it'll drop down to a rest bend before joining the drain
Nige/dilalio - was actually thinking of transparent pipe for this bit...
Steelmasons - yup, will be venting this at the point where it exits the en suite

I'm just worried about legality of leaving and then re-entering the house with the pipe...
Cheers
Andy

 

[Jackrae]

Most people just want to get the sh+te out of the house, not bring it back in
If you use clear plastic pipe you could have a "turdo-powered" water feature

 

[Newboy]

Hi all, thanks for the replies
newboy - Unfortunately due to the location of the drain, this is already going to the closest point. Where the pipe initially exits the house it'll be a vertical T - vent up and a small drop, then back at the correct drop to where it'll re-enter the house. After it exits the sitting room it'll drop down to a rest bend before joining the drain
Nige/dilalio - was actually thinking of transparent pipe for this bit...
Steelmasons - yup, will be venting this at the point where it exits the en suite

I'm just worried about legality of leaving and then re-entering the house with the pipe...
Cheers
Andy

Your plans doesn't meet building regs.(Part H) The falls, multiple drops and multiple bends are no-no's.

 

[Hugh Jaleak]

By the look of things you are going to need to run an underground drain from the existing sewer, to a suitable external point at the proposed en suite position. Whats the current situation outside, garden, driveway?

 

[dilalio]

You can't just run it where you want. You have to comply... Although you do have more than 20 seconds...

 

[Fizzer]

All runs will be 1/40 and there will be 4 90 degree bends and 2 drops, the first being about a foot the second being from ceiling height down to a rest bend underground.
It's not possible to extend the existing drain as the floor level at this end of the house is about waist height due to the ground sloping away.

 

[Newboy]

Your plans doesn't meet building regs.(Part H) The falls, multiple drops and multiple bends are no-no's.