1513 WALNUT ST 2017-07-28 - Laserfiche WebLink

1204.1205 UNIFORM BUILDING CODE rescue. The units shall be operable from the inside to provide a full clear opening without the use of separate tools. All egress or rescue windows from sleeping rooms shall have a minimum net clear opening of 5.7 square feet. The minimum net clear opening height dimension shall be 24 inches.The minimum net clear opening width dimension shall be 20 inches. Where windows are provided as a means of egress or rescue they shall have a finished sill height not more than 44 inches above the floor. Light,Ventilation and Sanitation Sec. 1205. (a) Light and Ventilation. All guest rooms, dormitories and habitable rooms within a dwelling unit shall be provided with natural light by means of exterior glazed openings with an area not less than one-tenth of the floor area of such rooms with a minimum of 10 square feet. All bathrooms, water closet compartments,laundry rooms and similar rooms shall be provided with natural ventilation by means of openable exterior openings with an area not less than one-twentieth of the floor area of such rooms with a minimum of 1'/2 square feet. All guest rooms,dormitories and habitable rooms within a dwelling unit shall be provided with natural ventilation by means of openable exterior openings with an area of not less than one-twentieth of the floor area of such rooms with a minimum of 5 square feet. In lieu of required exterior openings for natural ventilation, a mechanical ventilating system may be provided. Such system shall be capable of providing two air changes per hour in all guest rooms, dor- mitories,habitable rooms and in public corridors.One-fifth of the air sup- ply shall be taken from the outside. In bathrooms, water closet compart- ments, laundry rooms and similar rooms a mechanical ventilation system connected directly to the outside,capable of providing five air changes per hour,shall be provided. For the purpose of determining light and ventilation requirements, any room may be considered as a portion of an adjoining room when one-half of the area of the common wall is open and unobstructed and provides an opening of not less than one-tenth of the floor area of the interior room or 25 square feet,whichever is greater. Required exterior openings for natural light and ventilation shall open directly onto a street or public alley or a yard or court located on the same lot as the building. EXCEPTION: Required windows may open into a roofed porch where the porch: 1. Abuts a street,yard,or court;and 2. Has a ceiling height of not less than 7 feet;and 3. Has the longer side at least 65 percent open and unobstructed. (b) Sanitation. Every building shall be provided with at least one water closet. Every hotel or subdivision thereof where both sexes are accommo- dated shall contain at least two separate toilet facilities which are conspic- 86