The following regulations shall apply to classrooms in establishments regulated under this chapter, and it is unlawful to conduct, operate, or maintain any classroom which does not comply with this section.
A. Floors. All floors in classrooms shall be kept clean.
B. Walls and Ceilings. The walls of every classroom shall be so treated and maintained that the reflection factor is not more than eighty percent nor less than forty percent. The ceilings of every classroom shall be so treated and maintained that the reflection factor is not more than eighty percent nor less than sixty percent.
C. Heating. Classrooms shall be properly heated when in use. The temperature shall be sufficient for the maintenance of health and comfort of the pupils, and shall in no case be below sixty-five degrees above zero Fahrenheit.
D. Size and Ventilation. Every classroom shall have good ventilation, a ceiling height of not less than eight feet, and two hundred fifty cubic feet of air space per pupil.
E. Illumination. Classrooms shall be so illuminated when in use that:
1. There is not less than fifteen foot-candle illumination in every part of the classroom;
2. There is no direct glare;
3. Indirect glare is reduced to a minimum.
F. Window Area. Each classroom constructed, reconstructed, or altered after the effective date of the ordinance codified in this chapter, and every classroom used as such for the first time after the effective date of the ordinance codified in this chapter, shall have a window area of not less than one-fifth of the floor area.
G. Seats and Desks. All seats and desks shall be maintained in good condition. All seats shall have back rests. Seats shall be of such height that any pupil sitting therein in a normal position can comfortably rest his feet upon the floor. Seats shall be so placed that no pupil, when sitting in a normal position in any one of them, shall face a window.
(Prior code § 6.08.320 (Ord. 349 § 18, 1951))