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Old 01-28-2010, 04:52 PM   #1
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Waste pipe routing query

I have inherited a DIY project and have some questions regarding the whys and wherefores of routing waste pipes around the bathroom. You can see from the attached doc that we plan to install a bath, basin, shower and toilet, with a pre-existing waste pipe fitted into the corner of the room, which runs to a vertical stack, via another bathroom, some 4m away.

Can I simply run one waste pipe from the bath, via the basin, then to the shower, combining all 3 wastes into one, then under the doorway to the main waste pipe, into which the toilet is plumbed? Or do I need separate pipes for any appliances?

I need to cross the joists at some point - do I simply notch them or should I be drilling holes?

Will I have flow problems, given that the total run is going to be in the region of 6m?

Grateful for any thoughts/advice.
Attached Files
File Type: doc Bathroom soil pipe design.doc (38.0 KB, 184 views)


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