Green Plumbing and Mechanical Code Supplement available

The International Association of Plumbing and Mechanical Officials recently released the second edition of its Green Plumbing and Mechanical Code Supplement. The code supplement, updated for 2012, contains many new or revised provisions addressing a number of areas where greater efficiency can be reasonably achieved, including: plumbing design, fixtures and fixture fittings; alternate water source systems; mechanical and HVAC design; and requirements for landscape irrigation systems.