Skip to Content
You have

Technical Bulletins - 2008-2019

The Technical Bulletins listed below are to be used only for construction projects that were submitted January 1, 2008 to December 31, 2019. For projects submitted before January 1, 2008, please refer to the navigation menu on the left.


B-34 Roof Drainage

The California Plumbing Code (CPC) requires roof areas to be drained by roof drains or gutters.