Every habitable room shall have an aggregate window area of not less than one-eighth of the floor area or 12 square feet whichever is greater.
(Ord. 1131 § 1, 1962; Ord. 3396 § 2, 2019)
Every service room except closets and storage rooms shall have an aggregate window area of not less than one-twelfth of the floor area or six square feet whichever is greater. Such rooms in dwellings shall have not less than three square feet of window area, or other approved ventilation.
(Ord. 1131 § 1, 1962; Ord. 3396 § 2, 2019)
Required windows shall open on a street, yard, or court either directly or through a porch having a minimum clear height of not less than seven feet. Such porch shall be at least 50 percent open on at least one side or on both ends.
(Ord. 1131 § 1, 1962; Ord. 3396 § 2, 2019)
A required window in a service room may open into a vent shaft which is open and unobstructed to the sky and not less than four feet in least dimension. No vent shaft shall extend through more than two stories.
(Ord. 1131 § 1, 1962; Ord. 3396 § 2, 2019)
An approved system of mechanical ventilation or air conditioning may be used in lieu of openable windows. Such systems shall provide not less than four air changes per hour, except that in toilet compartments such systems shall provide a complete air change every five minutes.
(Ord. 1131 § 1, 1962; Ord. 3396 § 2, 2019)