Aco drains

[Kf 1958]

Hi, hoping someone can help me.....

I am having a new patio laid and the guys laying it have installed aco drains around the edge of the house...which is fine.....BUT I previously had my sink waste pipe, washer waste pipe and dishwasher waste pipe concreted into the outside drain. The landscapers have now just chopped my waste pipes about 2” above the new aco drain, which I have a feeling is not right as not only does water splash everywhere but I dread to think what may come out the sink waste pipe!

Could someone offer any advice how these pipes should have been dealt with?

Thanks

 

[cross thread]

You don’t want them into a aco, can a gully trap be fitted

 

[Kf 1958]

Thank you for your advice -the Aco has been connected to the original drain that the pipes fed into, would this be the gulley trap? Sorry but I don't understand gulley traps etc

 

[^woody^]

The rats are going to love this arrangement!

And if it's not trapped, then you definitely wont

"Ah its OK we did this on our last job"

 

[Ian H]

90% of ACO’s are bodger onto the drains.

Have they sat it ontop of the old drain and cut a hole in the bottom of it so the water flows through?

 

[Kf 1958]

Oh gosh....I had better check again....thank you for the advice, I can now pose specific questions to them!

I may be back on here with their responses to get further advice....thanks again everyone

 

[Ian H]

Oh gosh....I had better check again....thank you for the advice, I can now pose specific questions to them!

I may be back on here with their responses to get further advice....thanks again everyone

Don’t forget your camera.

 

[Hugh Jaleak]

Better if you can post some pictures, but ideally, the old gulley should be removed, and new plastic gulley fitted to accept the waste pipes, (which need to discharge below the grid, but above the water line.

The ACO drain can then be connected either by using the bottom outlet option into a 'Tick Trap' and then via a junction into the drain, or if using a 'Bottle gully' via a horizontal outlet into the side bosses of the gulley. Either way, the Gully and the ACO drain must be trapped to prevent sewer odours coming back up.

From your description, the arrangement the 'Builders' have left you with does not meet Building Regs, and will create an unholy mess very quickly! Get it sorted properly before you pay them!

 

[Kf 1958]

So sorry, I’m back...
So previously all out outlet pipes were concreted in and obviously drained water away from the sink, washer and dishwasher.

I have just spoken to the guys and shown them the advice I have received saying my son had sent it as they are still working here and want to keep good relations at the mo..... they have said that the aco drain they have fitted feeds directly into the old drain the pipes fed into and there should be a water trap on that.

Although the pipes have been cut above the aco drain they are going to be replaced and will feed below the top cover grid.

They are also saying if there was going to be an issue with the smell that we would already smell it....

As I say I have no idea about drains....more a shoes and handbag girl lol

thanks again everyone......btw two pics, one is original piping the other is what we currently have

 

[Ian H]

Your gully trap is under the blocks now so it it ever did block you will have to dig it up to access it. That’s the round but you see on the ‘before’ picture just out from the house.

 

[Hugh Jaleak]

+1 for Ian's advice. Not an ideal way to do it, I actually went to a similar setup this morning, after being asked to unblock it. Trap was blocked with crud from the sink, soon cleared that, but the build up of congealed gunge was not pleasant, and that was with one waste discharging into it, directly above the outlet.

Personally think these are fine for rainwater, however grey water, and especially kitchen wastes needs to go into a proper gulley.

 

[catlad]

I'm with the others! it won't be long before that's a problem if left as it is.

 

[noseall]

Your household waste should be the primary concern and it should be into the gully (with access to the trap) and gone as swiftly as possible. The acos serve a secondary purpose and should be dealt with separately and have their own drain.

 

[Scally-Ho]

Surface water drainage should NOT be piped into the main drainage system which in turn is connected to the public sewer system.
Land drainage is a separate system and more often than not run into a soakaway.


In order to avoid increasing flood risk elsewhere, it is preferable for these to be sloped towards permeable ground or to be made of pervious materials. Pervious materials include both porous materials (eg. as reinforced grass or gravel, porous concrete or porous asphalt) and permeable materials (eg. clay bricks or concrete blocks, designed to allow water to flow through joints or voids). As well as minimising environmental impact, this avoids the cost of drainage.
Surface water from hardstandings must not be allowed to run onto the highway, where it could lead to accidents or cause a nuisance.
Where it is impractical to drain onto pervious ground or use a pervious paving, it is preferable to keep the extra surface water on site, in order to avoid increasing flood risk elsewhere. This can be achieved by using a soakaway or some other way of allowing it to soak into the ground (referred to as infiltration).
Approved Document H gives advice on sizing soakaways. Where it is impractical to use infiltration (eg. because of nearby foundations, impermeable or contaminated ground, or high groundwater), it is preferable to discharge it to a watercourse or, failing this, to a surface water sewer or, as a last resort, to a combined sewer. Surface water must not be discharged into a foul drain or sewer.

 

[stevie888]

After 4 years it might be too late