2.1 This standard addresses site sustainability, water efficiency, energy efficiency, indoor environmental quality (IEQ), materials and resources, and construction and operations planning. Applies to: a. New buildings and their systems b. New additions to buildings and their systems c. New systems and equipment in existing buildings d. Relocation of existing buildings e. Sites on which buildings are located f. Demolition and deconstruction of buildings and their systems g. Changes in occupancy classification 2.2 The provisions of this standard do not apply to the following: a. Single-family homes, multi-family dwellings of three stories or less, manufactured homes (mobile homes), and modular homes b. Building projects and structures that do not use any of the following resources: 1. Electricity 2. Fossil fuels 3. Water 2.3 The requirements of this standard shall not be used to circumvent any applicable safety, health, or environmental requirements.