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Open Plastic Type Outside Drain and Building Regulations

Posted: Wed Sep 20, 2017 10:22 pm
by Loftyloo
Hi, I'm new here so go easy on me!!
I have an open plastic grid type drain outside and is currently running my sink into it, does this comply with building regulations?
Or does the drain have to be converted into a stack and boss type joint ?

Any help or advice is appreciated,
Thanks in advance

Lofty