A. "Accessory dwelling unit" shall have the same meaning as specified in Section 65852.2 of the California Government Code, as amended from time to time.

B. "All-electric building" is a building that uses a permanent supply of electricity as the source of energy for all space heating, water heating (including pools and spas), cooking appliances, and clothes drying appliances, and has no natural gas or propane plumbing installed in the building.

C. "All-electric design" means a plan or plans for a building or portion thereof that uses a permanent supply of electricity as the source of energy for all space heating, water heating (including pools and spas), cooking appliances, and clothes drying appliances, and has no natural gas or propane plumbing installed in the building.

D. "Building" shall have the same meaning as "building" as specified in the California Building Standards Code at Title 24, Part 2, of the California Code of Regulations as amended from time to time.

E. "Electric-ready" is a building or portion thereof that contains electrical systems and designs that provide capacity for a future retrofit of a mixed-fuel building to an all-electric building. To qualify as electric-ready, buildings and portions of buildings must include sufficient space, drainage, electrical conductors or raceways, bus bar capacity, and overcurrent protective devices to provide capacity for a future retrofit to an all-electric building.

F. "Essential services buildings" shall have the same meaning as "essential services buildings," as defined by Health and Safety Code Section 16007, as amended from time to time. For purposes of this chapter, essential services buildings are publicly owned and/or publicly operated buildings whose purpose is to safeguard the public health and safety. Essential services buildings generally exclude privately owned residences and/or commercial buildings; except that, privately owned commercial buildings may qualify as essential services buildings to the extent they are publicly operated to safeguard the public health and safety.

G. "Junior accessory dwelling unit" shall have the same meaning as specified in Section 65852.22 of the California Government Code, as amended from time to time.

H. "Mixed-fuel building" means a building that uses natural gas or propane as fuel for space heating or cooling, exterior heating, decorative uses, lighting, water heating (including pools and spas), cooking appliances or clothes drying appliances, on-site generation of electricity (except where primarily fueled by on-site digestion of organic material), or contains fixtures, piping systems, or infrastructure for natural gas or propane equipment for such uses.

I. "Natural gas" shall have the same meaning as "fuel gas" as specified in Section 208.0 of the California Plumbing Code and Section 208.0 of the California Mechanical Code, as amended from time to time.

J. "Newly constructed building" shall mean any building that: (1) is proposed to be located in whole or in part within the city; (2) is not an alteration or addition to or repair of an existing building; (3) is subject to the city’s regulatory authority pursuant to the city’s general plan, Implementing Zoning Ordinance, SmartCode and/or any adopted specific plan or other city land use regulation, regardless of whether a discretionary permit is required or not; and (4) has not been granted and/or is not subject to a valid building permit that remains in effect.

K. "Substantial building alteration" shall mean an alteration or addition to an existing building involving removal of more than fifty percent of the perimeter of the exterior walls of the existing building or the addition of more than fifty percent of the gross floor area to the existing building.