British Standards Document
BS EN 12056-3
Gravity drainage systems inside buildings. Roof drainage, layout and calculation
https://doi.org/10.3403/02107460U
BS EN 12056-3 is maintained by B/505/21. The current release of this standard is:
BS EN 12056-3:2000 Gravity drainage systems inside buildings. Roof drainage, layout and calculation
https://doi.org/10.3403/02107460 (published 15/09/2000)
This standard is available from the following sources:
Other historical versions of this standard document also exist: