2012 International Plumbing Code (Includes International Private Sewage Disposal Code) (International Code Council Series)

New in the 2012 IPC®

Key changes include:

• Requirements for the design of a Siphonic Roof Drainage System have been added.


• Gray water recycling requirements have moved to the body of the code in a new Chapter 13.


• "Hydro-mechanical" and "Gravity" are the new terms for the two general types of grease interceptors.


• Air admittance valves complying with standard ASSE 1049 are now allowed for venting chemical waste systems.


• The length of a combination waste and vent system is now unlimited.


• The Single Stack Vent System method has been added.


• The code expands on suitable materials for pressurized sewage discharge applications and ratings.