General Construction Cost Review Guide (GCCRG)

GSA has adopted the LEED rating system of the U.S. Green Building Council as a measure for sustainable design. The P-100 and the Capital Investment and Leasing Program (CILP) require that all new and fully renovated building projects meet criteria for basic LEED Certification (higher levels of achievement are Silver, Gold, and Platinum). As of fiscal year 2003, all new and fully renovated buildings must meet a Silver LEED rating.