This workbook reviews the mechanical requirements of the 2018 International Residential CodeÒ (IRCÒ). The details provided will enhance your understanding of mechanical terminology, equipment, materials and methods of installation as related to residential construction. This workbook concentrates on the mechanical portion of the IRC along with the appropriate portions of the International Mechanical CodeÒ (IMCÒ) International Fuel Gas CodeÒ(IFGCÒ). It covers the minimum requirements for residential mechanical inspections. Major portions of a residential plan review are also discussed.