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CLASS IVA

*289. Frontage-seating over eight hundred.] Every building of Class IVa hereafter erected containing an aggregate seating capacity greater than eight hundred persons shall have a frontage upon three open spaces, of which at least one shall be a public street, and the others, if not streets, shall be public or private alleys of a width of not less than ten feet each, opening directly on a public street or alley, with at least one exit into each open space.

CLASS IVb

328. Dressing room partitions.] Partitions forming dressing rooms, except where already built, shall be constructed of incombustible material, and such dressing rooms shall be properly ventilated.

CLASS IVC

†330. Class IVc defined-moving picture and vaudeville shows— seating capacity.] Class IVe shall include every building hereafter erected used for moving picture or vaudeville shows and similar entertainments, where an admission fee is charged and regular performances are given, and where the seating capacity does not exceed three hundred, provided that every building of Class IVe existing at the time of the passage of the ordinance known as The Chicago Code of 1911 shall comply with the provisions of Class IVb. All buildings hereafter erected for moving picture and vaudeville shows and similar entertainments, where an admission fee is charged and regular performances are given, with a seating capacity of over three hundred, and for the exhibition of moving pictures only, where the seating capacity is more than one thousand, shall be built to conform with the requirements for buildings of Class V hereafter erected as contained in this chapter. Buildings for the exhibition of moving pictures only and with a seating capacity of over three hundred, but not to exceed one thousand, shall also be built to conform with the requirements for buildings of Class V hereafter erected, in all their structural requirements and equipment except as far as such requirements and equipment are modified in sections 331 and 332 hereof.

354. Dressing room partitions.] Partitions forming dressing rooms, except where already built, shall be constructed of incombustible material, and such dressing rooms shall be properly ventilated.

ARTICLE VIII
CLASS V

369. Class V defined.] In Class V shall be included every building which is used as a public theatre where an admission fee is charged and in which movable scenery is used, and every assembly hall hereafter erected having a seating capacity of over three hundred and containing

* As amended June 12, 1916. † As amended June 21, 1912.

a permanent stage on which scenery and theatrical apparatus are used and regular theatrical vaudeville performances are given; provided, however, that public halls and club halls with a seating capacity of less than six hundred, although occasionally used for theatrical presentation, shall not be considered as public theatres within the meaning of the term as used in this section, notwithstanding the fact that movable scenery is used upon the stages thereof on such occasions, and such public halls and club halls shall not be considered as buildings of Class V as herein defined. Such public halls and club halls shall be included in Class IV as defined in this chapter.

36912. Must comply with general and special provisions.] In addition to the provisions of this article every building of Class V shall comply with the general provisions of this chapter.

370. City officers empowered to enter buildings.] The commissioner of buildings, commissioner of health, fire marshal, city electrician, general superintendent of police, or any of them, and their respective assistants, shall have the right to enter any building used wholly or in part for the purposes of Class V, and any and all parts thereof, at any reasonable time, and at any time when occupied by the public, in order to examine such buildings, to judge of the condition of the same and to discharge their respective duties, and it shall be unlawful for any person to interfere with them, or any of them, in the performance of their duties.

371. City officers empowered to close.] The commissioner of buildings, commissioner of health, fire marshal, city electrician and the general superintendent of police, or any one of them, shall have the power, and it shall be their joint and several duty, to order any building used wholly or in part for the purposes of Class V, closed, where it is discovered that there is any violation of any of the provisions of the chapter, and keep same closed until such provisions are complied with.

372. License-mayor shall revoke.] Upon a report to the mayor by the commissioner of buildings, commissioner of health, fire marshal, city electrician or the general superintendent of police that any requirements of this chapter or that any order given by them or any of them in regard thereto has been violated, or not complied with, the mayor shall revoke the license of any such theatre or place of amusement so reported and cause the same to be closed.

BUILDINGS OF CLASS V NOW IN EXISTENCE

387. Dressing room partitions.] Partitions forming dressing rooms, except where already built, shall be constructed of incombustible material, and such dressing rooms shall be properly ventilated.

BUILDINGS OF CLASS V HEREAFTER ERECTED

422. Dressing room partitions.] Partitions forming dressing rooms shall be constructed of incombustible material, and such dressing rooms shall be properly ventilated.

ARTICLE IX

CLASS VI

430. Class VI defined.] In Class VI shall be included every tenement and apartment house or building or portion thereof, which is used or intended to be used as a home or residence for two or more families living in separate apartments.

431. Requirements general.] Every building of Class VI shall comply with the general provisions of this chapter, and in addition to the general provisions shall comply with the following special provisions:

*432. Definition of "new tenement house"-"apartment"-"yard" -“court”—“shaft"-"public hall"—"stair hall" "basement". "cellar"-"story"-"solid masonry."] (a) "New tenement house" shall include every tenement, flat and apartment house hereafter erected and every tenement house which shall be increased or diminished in size or otherwise altered after its erection and every building now or hereafter in existence not now used as a tenement house but hereafter converted or altered to such use.

(b) "Apartment" is a room or suite of two or more rooms occupied or intended or designed to be occupied as a family domicile.

(c) "Yard" is an open unoccupied space on the same lot with a tenement house, separating every part of every building on the lot from the rear line of the lot.

(d) "Court" is an open, unoccupied, unobstructed space, other than a yard, on the same lot with a tenement house; a court entirely surrounded by a tenement house is an "inner court"; a court bounded on one side and both ends by a tenement house, and on the remaining side by a lot line is a "lot line court"; a court extending to a street, alley or yard is an ""outer court."

(e) "Shaft" includes exterior and interior shafts, whether for air, light, elevator, dumb waiter or any other purpose; a "vent shaft" is one used solely to ventilate or light a water closet compartment, bathroom, or pantry.

(f) "Public Hall" is a hall, corridor or passageway not within an apartment.

(g) Stair Hall" includes the stairs, stair landings and those portions of the public halls through which it is necessary to pass in getting from the entrance floor to the top story.

(h) "Basement" is a story partly, but not more than one-half below the level of the inside sidewalk grade of the street nearest the building. If the floor of such basement is less than two feet (2 ft.) below such grade or if the ceiling of such basement is more than seven feet six inches (7 ft. 6 in.) above said grade, said story shall be classed as the first story of the building in which it occurs. Provided, however, that the ceiling height may be raised above the height of seven feet six inches (7 ft. 6 in.) heretofore given, not more than one-third of an inch for every foot of such distance said building is set back from the street line of the street nearest the building, but in no case shall any

*As amended July 2, 1914, and February 8, 1915.

rise of ceiling be allowed for any distance beyond thirty feet (30 ft.) said building may be set back from the line of the street nearest the building, and in such cases all rises in the basement ceiling shall be computed according to the distance between the street line and the outside wall of the building nearest to said street line. And further provided, that the yard or ground level, or iks, or other improvements thereon for a distance of twelve feet (12 ft.) at every point from all outside walls of said building shall not be lower than eight feet three inches (8 ft. 3 in.) below the floor level of the first story of said building.

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(i) 'Cellar" is a story more than one-half below the level of the inside sidewalk grade of the street nearest the building. Where the grade of a street adjacent to a tenement house varies, the average grade of such street opposite the lot containing the tenement-house shall be regarded as the grade of such street within the meaning of this chapter.

(j) "Story" is that portion of a building between the top of any floor beams and the top of the floor or ceiling beams next above.

433. Sections-where conflicting with other sections.] In cases of direct conflict with the provisions of other sections of this ordinance relating to other classes, the provisions of the sections relating to Class VI shall govern in respect to tenement houses.

434. Changes or alterations-permits.] Every new tenement house and every change or alteration in any existing tenement house shall conform to the requirements of this chapter. No new tenement house shall be begun, nor shall any changes or alterations in any existing tenement house, such as are referred to in this chapter, be begun until a permit therefor shall have been issued by the commissioner of buildings. Such permit shall be issued only upon an application by the person, firm or corporation for whom the building is to be erected or altered, and after approval of the plans and specifications for such tenement house or for such changes or alterations by the commissioner of health whenever such approval is required by the ordinances of the city of Chicago.

435. New tenement house when to be occupied.] (a) No new tenement house shall be occupied in whole or in part for human habitation until the issuance of a certificate by the commissioner of health that such building conforms to the requirements of this chapter relative to light and ventilation, plumbing and drainage applicable to said buildings, nor until the issuance by the commissioner of buildings of a certificate that the said building conforms to the requirements of this chapter relative to fire escapes and means of egress applicable to new tenement houses. Within five days from date of application for any certificate above mentioned, such certificate shall be issued or the official concerned shall state in writing his reasons for his refusal to issue said certificate.

(b) The certificate above referred to may be issued in the case of a new tenement building comprising more than three apartments so as to allow the occupation of any section of the building extending from cellar to roof in advance of the completion of the other portions of the building.

(c) When the outer walls of a new tenement house have been

erected so as to outline the position of the courts and shafts required for the lighting and ventilation of habitable rooms, the owner of the building or his representative shall be entitled, upon application in writing, to an inspection of the same by the commissioner of buildings, and if the work to that point is in compliance with the provisions regarding the size of thafts and the location of the building, to a certificate setting forth those facts.

(d) When the work of constructing partitions has advanced to a degree on any floor, that the rooms on that floor are determined in their dimensions, the owner or his representative shall be entitled to an inspection from the commissioner of buildings, and if the rooms thus outlined conform in their dimensions to the plans filed and to the requirements of this chapter, to a certificate stating that fact.

(e) If a new tenement house is occupied as a place of habitation in any of its parts in violation of this section, it shall forthwith be subject to notice from the commissioner of buildings and shall be vacated upon such notice and shall not again be occupied until made to conform with the provisions of this chapter nor until after the issuance of the two certificates required in this section.

436. Plat to be filed.] At the time of applying for a permit for the erection of, alteration of, addition to, or moving of, a tenement house, or for the erection, alteration, adding to, or moving of, any building upon a lot upon which a tenement house stands, the applicant shall submit to the commissioner of buildings a plat of the lot, showing the dimensions of the same and the position to be occupied by the proposed building or by the building to be altered or added to or by the building to be moved thereon, and the position of any other building or buildings. that may be on the lot. The measurements shall in all cases be taken at the top of the first story and shall not include any portion of any street or alley.

437. Corner lot defined frontages.] By "corner lot" is meant a lot situated at the junction of two streets or of a street and a public alley at least sixteen feet wide, provided that if such alley be less than sixteen feet wide, and the lot be estimated on a line sixteen feet from the opposite side of the alley, such lot may be considered a corner lot. Any portion of the width of such lot distant more than fifty feet from such junction shall not be regarded as part of a corner lot, but shall be subject to the provisions of this chapter respecting other than corner lots. Where, in corner lots, the two frontages are of unequal length, the lesser street frontage shall be taken as the width of the lot. Street frontage alone, and not alley frontage, shall be considered in determining such lesser frontage.

438. Height-how measured.] (a) The height of a new tenement house shall not exceed by more than one-half the platted width of the widest street on which it abuts, and no existing tenement house shall be increased beyond such height.

(b) Provided, however, that any distance the building sets back from the lot line shall be added to the width of the street in making this computation. Such height shall be the perpendicular distance from the grade nearest the house to the highest point of the roof but shall not include as part of the roof any cornice or bulkhead less than eight feet high, or any elevator enclosure less than sixteen feet high. Where

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