13-196-720 Heating plants.

   Furnaces or other heating plants shall be enclosed with a minimum of a half hour construction when the building contains three dwelling units or more.

(Prior code § 78-70)

13-196-730 Light and ventilation.

   Light and ventilation requirements are to comply with code provisions in effect at the time the building was originally constructed or they may comply with present requirements for new construction except as follows:

   (a)   A kitchen with a floor of less than 70 square feet may be without either mechanical or natural ventilation if there is an opening of not less than 32 square feet between the kitchen and another room in the same family unit and if the room into which the kitchen opens meets the ventilation requirements of this Code.

   (b)   Every toilet room and bathroom shall have adequate ventilation which may be either an openable window with an operable area of five percent of the floor area, mechanical ventilation complying with the requirements of Chapter 18-28, or a gravity vent flue constructed with incombustible leading to the roof of the building, or a combination of any of these. The gravity vent shall be computed at an aggregate clear area of not less than five percent of the floor area of the room, with a minimum area of at least 120 square inches. Gravity vents shall be provided with a weather cap, directional vane, or rotary type ventilation on roof.

(Prior code § 78-71; Amend Coun. J. 11-9-16, p. 36266, § 26)

13-196-740 One additional dwelling unit over original allowed – Conditions.

   A pre-ordinance (built before July 8, 1957) residential building or building of mixed residential occupancy, not complying with the requirements in force and applicable to the building at the time of its conversion, may be altered so as to legalize one dwelling unit, in addition to the number of dwelling units originally authorized, providing that said unit was determined by the office of the zoning administrator or the zoning board of appeals to have existed prior to July 8, 1957, and provided such building complies with the other provisions of this chapter. Such conversion need not comply with the requirements of the following specific provisions of this chapter:

   (a)   Section 13-196-660 (height limits); however, in frame buildings, four or more levels of living space shall be prohibited and in buildings of ordinary construction, with or without attic living space, five or more levels shall be prohibited;

   (b)   Section 13-196-050; however, all dwelling units must comply with the exit provisions of Chapter 13-160 except basement dwelling units may have a second exit through a room containing a heating plant;

   (c)   Section 13-196-670 (stairwell enclosures);

   (d)   Section 13-196-680 (corridor enclosures);

   (e)   Section 13-196-690 (dwelling separations);

   (f)   Section 13-196-710 (basement ceiling construction); however, if the basement contains a dwelling unit the entire basement ceiling construction is to be wood lath and plaster of half hour construction;

   (h)   Section 13-196-720 (heating plants); however, basement apartments are to be separated from heating plants with partitions of one hour construction.

(Prior code § 78-72; Amend Coun. J. 6-14-95, p. 2841)

13-196-750 Heat required.

   It shall be the duty of every person owning or controlling the heating plant which furnishes heat to any factory or workshop, to maintain a temperature within such factory or workshop of not less than 68 degrees Fahrenheit without such undue restriction of ventilation as to interfere with proper sanitary conditions therein; provided, however, that this requirement shall not apply to any factory or workshop where the business conducted therein is of such a nature that a higher or lower temperature than 68 degrees Fahrenheit is necessary or expedient for the work, or manufacturing processes of such business; and provided, further, that in all such cases, when such higher or lower temperature is necessary or expedient, the moisture content of the air shall be increased where the temperature is maintained below 68 degrees Fahrenheit or decreased where the temperature is maintained above 68 degrees Fahrenheit in the proper amount to maintain a wet bulb temperature between 54 degrees and 58 degrees Fahrenheit, and in the case of special manufacturing processes where it is necessary or expedient to maintain a wet bulb temperature below or above the extremes herein set forth, the commissioner of buildings shall prescribe and enforce such reasonable precautions and safeguards as will meet the requirements of such special manufacturing processes without endangering the health of the occupants of such factory or workshops.

   It shall be the duty of any person owning or controlling the heating plant which furnishes heat to any office, store, or other place of employment to maintain a temperature therein of not less than 68 degrees Fahrenheit without such undue restriction of ventilation as to interfere with proper sanitary conditions therein, between the hours of 8:00 A.M. and 6:00 P.M., from October 1st of each year to June 1st of the succeeding year, Sundays and full legal holidays excepted.

   The provisions of this section shall apply to every existing building or portion thereof containing a factory or workshop, office, store or other place of employment, as the case may be.

(Prior code § 96-27; Amend Coun. J. 3-31-04, p. 20916, § 2.6; Amend Coun. J. 11-9-16, p. 36266, § 26)

13-196-760 Endangering health of employees.

   Every owner or person in charge of any existing factory shall cause the temperature of every part thereof in which any person may work to be so maintained, and such accommodations and safeguards to be provided as not to cause, by reason of the want thereof or by reason of the condition of any such factory or its appurtenances, unnecessary danger or detriment to the health of any person employed therein.

(Prior code § 96-28; Amend Coun. J. 3-31-04, p. 20916, § 2.7)