Binyard drainage into sewer.

Dervous

New Member
Hi.



I plan to put a concrete floor down in my binyard and I want to drain rainwater into the sewer.

The binyard used to be the toilet block (probably till the early 70’s) and I’ve removed a lot of the shallow sewer pipes that were there. There’s just one clay pipe leading out of the binyard towards the main sewer which I capped off for the time being, but I’d like to use it to drain rainwater coming from a drainage channel.



There was a storm drain there already but in an inconvenient spot as the area was on different levels and I want it all level with the bottom of the door. I sent load of water down there and it didn’t come back so I’ll assume it still leads to the sewer.



I know I need to slope the concrete towards the drainage channel and I need an airlock going to the sewer.



Has anyone got any constructive ideas as to how I could go about this?

Any help would be appreciated.
 
You are not supposed to put land drainage into a combined sewer. Even additional roof drainage should be going to a soakaway
 
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