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I have a wheelchair user so we are installing a floating kitchen bench where the waste trap below the sink is exposed. For aesthetic reasons we want this to be as shallow as possible. Where can I find regulations or can you advise regulations on what is required for a kitchen sink waste trap. I have seen "Shallow Traps" but they have a shallower depth of water seal - are there limits regulated here?
Or am I allowed a bathroom sink style bottle trap?