A one-day class to help code enforcement officials, designers and plumbers understand the plumbing aspects of the 2003 International Residential Code will be offered Nov. 3, 2005, in Pittsburgh. Deadline for registration is Oct. 20. The instructor will review the requirements for drain, waste, vent and water systems, and will cover installation of fixtures. The fee, which covers Chapters 25 through 32, is $160. Contact the Building & Fire Code Academy atwww.bfcacademy.comfor further information.