About drain system.

[rodrigo]

What you think, is it correct way how to built drain system in this video? How big the slope of the drain pipe must be?

 

[PLUMB111]

Hi Rodrigo

If you follow the link below it may help you.
Down load from this section
Soil & Waste systems design & installation guide - January 2004


Product Guides - Downloads - Marley Plumbing & Drainage

Rgds
Peter