Sec. 2-145

Other

• Floor area multiplier for high ceilings2 x

  Floor area with a ceiling height 15 feet or greater shall be counted twice.

• Floor area multiplier for very high ceilings3 x

  Floor area with a ceiling height 25 feet or greater shall be counted three times.

• Architectural feature floor area exclusion30 in

  Architectural features up to a maximum projection of 30 inches extending beyond an exterior face of a building wall or column.

• Attic floor area exclusion ceiling heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.7 ft

  Attic floor area with a ceiling height of less than seven feet or where the space with the ceiling height of seven feet or more is less than four feet wide, as measured from the attic floor or floor joists if there is no floor, to the bottom of the roof rafters or underside of the roof deck if there are no rafters.

• Attic floor area exclusion width4 ft

  Attic floor area with a ceiling height of less than seven feet or where the space with the ceiling height of seven feet or more is less than four feet wide, as measured from the attic floor or floor joists if there is no floor, to the bottom of the roof rafters or underside of the roof deck if there are no rafters.

• Balcony floor area exclusion depth8 ft

  Space under open balconies and similar structures projecting from a floor above the first floor up to a maximum depth of eight feet.

• Floor area exclusion ceiling heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.7 ft

  Areas with a ceiling height of less than seven feet, except in an above grade parking garage constructed after March 17, 2018.

• Garage floor area exclusion heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.7.5 ft

  Any floor area that was used as a private or public garage prior to March 17, 2018 with a height of less than seven feet six inches.

• Lavatory floor area exclusion50 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  Lavatories of which only a maximum of 50 square feet of each lavatory can be excluded. The maximum total of excludable area for lavatories shall be no greater than of ten percent of gross floor area.

• Lavatory floor area exclusion percentage10 pct

  Lavatories of which only a maximum of 50 square feet of each lavatory can be excluded. The maximum total of excludable area for lavatories shall be no greater than of ten percent of gross floor area.

• Loading space floor area exclusion850 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  Loading spaces of which only a maximum of 850 square feet for each required loading space per section 8-200(B)(2) can be excluded.

• Porch floor area exclusion depth8 ft

  Porticos and portions of porches, including wrap-around porches, up to eight feet in depth located on the first or ground floor without second-story enclosed construction above the portico or porch.