Buildings occupied in whole or in part, as defined in this chapter, shall comply with the requirements hereinafter set forth concerning occupancy, size, light and ventilation in order to provide a safe and healthful environment.[1]
[1]
Editor's Note: Former Subsection B, which defined "accessory use," and former § 80-8, Classification of buildings with respect to occupancy, which immediately followed this subsection, were repealed 9-28-1993 by L.L. No. 28-1993 and 11-8-1993 by L.L. No. 28-1993.
[Amended 9-28-1993 by L.L. No. 23-1993; 11-8-1993 by L.L. No. 28-1993]
A. 
In dwelling units, the maximum number of occupants shall be limited to the number determined on the basis of the floor areas of habitable space, as follows: one occupant per room having floor area of at least 100 but less than 120 square feet, two occupants per room having floor area of at least 120 but less than 180 square feet and three occupants per room having floor area of 180 or more square feet.
B. 
The use of any room for sleeping purposes by more than two adults is prohibited. Children aged four to 12 years, inclusive, shall be counted as one-half (1/2) an adult person. For each adult permitted to occupy a room, one child under the age of four years may also sleep in the room.
[Amended 9-28-1993 by L.L. No. 23-1993; 11-8-1993 by L.L. No. 28-1993]
It shall be prohibited to use for sleeping purposes any kitchen, nonhabitable space or public space.
[Amended 9-28-1993 by L.L. No. 23-1993; 11-8-1993 by L.L. No. 28-1993]
A. 
Habitable space shall be provided with natural light through one or more windows, skylights, transparent or translucent panels or any combinations thereof that face directly on legal open spaces at least six inches above the adjoining finished grade, or are above a roof. The amount of light shall be equivalent to that transmitted through clear glass equal in area to 10% of the floor area of the habitable space.
B. 
Habitable space shall be provided with artificial light.
C. 
Habitable space shall be provided with natural ventilation through openable parts of windows or other openings in exterior walls that face legal open spaces above the adjoining finished grade or above a roof or through openable parts of skylights, providing total clear ventilation area equal to not less than 5% of the total floor area of each habitable space.
A. 
Height. Public space shall have a minimum height of seven feet six inches, measured from finished floor to finished ceiling.
B. 
Light and ventilation.
(1) 
Public spaces shall be provided with artificial light.
(2) 
In public stairs, stairways and passageways, artificial light shall be electric lighting available at all times so as to afford safe passage for occupants and users. Such lighting shall conform to the following:
(a) 
A sufficient number of fixtures shall be provided so that the distance between fixtures is not more than 30 feet and so that no wall is more than 15 feet distant from a fixture.
(b) 
Incandescent lighting shall be based on not less than one-fourth (1/4) watt per square foot of floor area, except that each fixture shall have a lamp or lamps with a total of not less than 25 watts.
(c) 
Fluorescent lighting shall be based on not less than one-tenth (1/10) watt per square foot of floor area, except that each fixture shall have a lamp or lamps of a total of not less than 15 watts.
(d) 
Where under these formulas the calculated wattage does not correspond to that of a standard lamp, the next larger size shall be used.
(3) 
Public spaces shall be provided with either natural ventilation, conforming to the requirements for habitable space, or with mechanical ventilation.[1]
[1]
Editor's Note: Former §§ 80-13, Nonhabitable space, 80-14, Stairs and railings, 80-15, Exits, and 80-16, General requirements, which immediately followed this subsection, were repealed 9-28-1993 by L.L. No. 23-1993 and 11-8-1993 by L.L. No. 28-1993.