Width and depth of rear yard where tenement and such yard shall be increased in depth one foot for every additional story above two stories in the height of the building. SEC. 6. The depth of the yard behind every tenement house hereafter erected upon a corner lot shall be not less is on corner lot. than ten feet in every part; provided, that where such lot is less than one hundred feet in depth, the depth of the yard may be not less than ten per centum of the depth of such lot, but shall never be less than seven feet in every part, nor less than the minimum width of an outer court on the lot line as prescribed by section eight. Where a tenement house hereafter erected on a corner lot has no basement, and the cellar ceiling is not more than three feet above the grade level, said yard may start at the level of the second tier of beams. Where a corner lot is more than forty feet in width, the yard for that portion in excess of forty feet shall conform to the provisions of section five of this act. Court of tenement house to be open. Width of court on lot line. SEC. 7. No court of a tenement house hereafter erected shall be covered by a roof or skylight, but every such court shall be at every point open, from the ground to the sky unobstructed. SEC. S. Where one side of an outer court is situated on where one side is the lot line, the width of such court measured from the lot line to the opposite wall of the building, for tenement houses hereafter erected, shall be not less than four feet in any part, for houses two stories in height; and for every additional story above the two stories in the height of such building, such width shall be increased one foot throughout the entire height of such, court; but this requirement shall not prevent a building from approaching nearer the lot line; provided, that no room in the building obtains its light or ventilation from windows opening upon such narrower court. Width of court where outer court wings of same building. SEC. 9. Where an outer court is situated between wings situated between or parts of the same building, or between different buildings on the same lot, the width of such court, measured from wall to wall, for tenement houses hereafter erected two stories in height, shall be not less than eight feet in any part; and for every additional story above two stories in the height of such building, such width shall be increased two feet throughout the entire height of such court. Width of court where inner court is on lot line. SEC. 10. Where one side of an inner court is situated on the lot line, the width of such court, measured from the lot line to the opposite wall of the building, for tenement houses hereafter erected two stories in height, shall be not less than five feet in any part, and the other horizontal dimen sion shall be not less than ten feet in any part; and for every additional story above two stories in the height of such building, such width shall be increased eighteen inches throughout the entire height of such court, and the other horizontal dimension shall be increased three feet throughout the entire height of such court. sions where court four sides. SEC. 11. Where an inner court is not situated upon the Horizontal dimenlot line, but is enclosed on all four sides, the least horizontal di- is enclosed on mension of such court, for tenement houses hereafter erected two stories in height, shall be not less than ten feet; and for every additional story above two stories in the height of such building, such court shall be increased three feet in each horizontal dimension throughout the entire height of such court. SEC. 12. Every inner court shall be provided with one Inner courts to or more horizontal in-takes at the bottom. Such in-takes shall horizontal inbe provided with always communicate directly with the street or yard, and takes. shall consist of a passageway of not less than ten square feet in area, which shall be left open, or if not open there shall be provided in such passageway open grilles or transoms; and such open grilles or transoms shall not be covered over by glass or otherwise. tive to windows, SEC. 13. Nothing contained in the foregoing sections con- Provisions relacerning outer and inner courts shall be construed as prevent-offsets and recesing windows at the angles of such courts; provided, that the ses in courts. running length of the wall containing such windows does not exceed six feet. Offsets or recesses in outer or inner courts may be made; provided, that the width of such offsets or recesses shall in every case be equal to or greater than the depth. When a tenement house hereafter erected has no Computing of basement, the courts mentioned in the preceding sections may there is no basestart at the level of the second tier of beams, and if no parti of the first story of such building is designed to be or is used for the purposes of a dwelling, the first story of the building may be omitted in computing the number of stories for the purposes of this act. No portion of land lying between two tenement houses shall be counted as any part of the required court or yard space of more than one building. stories where ment. SEC. 14. No tenement house shall hereafter be erected Location of tenement houses, reupon the rear of a lot where there is a tenement house on the stricted." front of such lot, nor upon the front of any such lot upon the rear of which there is such a tenement house, unless the distance between the two tenement houses is at least thirty feet. No tenement house hereafter erected shall be over four stories in height unless it is equipped with a passenger ele vator. Rooms to be provided with windows. Minimum size Public halls to be provided with dows. SEC. 15. In every tenement house hereafter erected every room, except water-closet compartments and bathrooms, shall have at least one window opening directly upon the street or upon a yard or court of the same lot, of the dimensions specified in sections four to thirteen, inclusive, of this act; and such windows shall be so located as to properly light all portions of such rooms, and shall have a total area in each room of at least one-eighth of the area of the floor of the room. SEC. 16. In every tenement house hereafter erected, all rooms, except water-closet compartments and bathrooms, shall be of the following minimum sizes: in each apartment there shall be at least one room containing not less than one hundred and twenty square feet of floor area, and each other room shall contain at least seventy square feet of floor area. Each room shall be in every part not less than eight feet six inches high from the finished floor to the finished ceiling; provided, that an attic room need be eight feet six inches high in but one-half of its area. In interpreting this act alcove rooms shall be considered as separate rooms. SEC. 17. In every tenement house hereafter erected, the doors and win public hall upon each floor shall be provided with a window, or a glazed door, opening to the street, the yard, or upon a court of the size prescribed in sections seven to thirteen, inclusive, of this act, unless the hall is within three stories from the roof. In every such tenement house three stories or more in height, where the public hall upon the third floor from the roof is not provided with an outside window or an outside glazed door, there shall be a stair-well extending from such floor to the roof, such stair-well to be at least twelve inches wide over such hall and at least eighteen inches wide over the hall above. All doors leading from public halls not provided with outside windows, and more than two stories below the roof, shall be provided with translucent glass panels of an area of not less than five square feet for each door, or with fixed transoms of translucent glass of an area of not less than five square feet over each door, or such halls shall be lighted by an equivalent amount of translucent glass connecting with a lighted room or rooms. Long and devious hallways shall have such additional provisions as may be necessary to give adequate light, subject to the approval of the building inspector. Size of windows in public halls. SEC. 18. In every tenement house hereafter erected, one at least of the windows provided to light each public hall or part thereof shall be at least ten square feet in area, measured between the stop beads. In every such house where the public halls upon each floor are not provided with win dows opening directly to the outer air, there shall be in the roofs, directly over each stair-well, a ventilating skylight provided with ridge ventilators having a minimum opening of forty square inches, or such skylight shall be provided with fixed or movable louvres; the glazed roof of such skylight shall be not less than twenty square feet in area. three or more closets. SEC. 19. In every tenement house hereafter erected Water closet to be provided in there shall be a water-closet in each apartment of three or each apartment of more rooms, and at least one water-closet for every two apart-rooms. Ventilaments of less than three rooms each. Each water-closet shall tion of water be in a separate compartment or bathroom, upon the same floor with the apartment which it accommodates. Each watercloset compartment or bathroom in any tenement house hereafter erected shall have a window opening directly upon the street, a yard, a court, or a vent shaft. Every such window shall be of at least three square feet in area, and shall open freely. Every vent shaft in a tenement house hereafter erected shall be constructed of fire-proof material; not more than two water-closets or bathrooms shall open upon such a shaft on one floor of a tenement house, and no two watercloset or bathroom windows opening upon such shaft on the same floor shall be opposite each other. No such vent shaft shall be less than thirty inches in either dimension or less than ten square feet in area. If the area of such shaft is less than twelve square feet, every bathroom or water-closet compartment below the upper story and, if the area is less than twenty-four square feet, every bathroom or water-closet compartment below the second story from the roof, and opening into such shaft, shall be provided with additional light through translucent glass windows of at least four square feet in area, connecting with other portions of the tenement. Every such vent shaft shall be uncovered, or shall be provided with openings at the top equal in total area to the area of the vent shaft, and shall be provided with a horizontal in-take or duct at the bottom communicating with the street or yard, or with a court; such duct or in-take shall be not less than two square feet in area, and shall be so arranged as to be easily cleaned out. rooms. SEC. 20. In every apartment of three or more rooms, in a Arrangement of tenement house hereafter erected, access to every living room and bedroom and to at least one water-closet compartment shall be had without passing through any bedroom. to basement living SEC. 21. In tenement houses hereafter erected, no room Provisions relative in the cellar or in the basement shall be constructed, altered, rooms. converted, or occupied for living purposes, unless all of the following conditions are complied with: (1) Such room shall be water tight. be at least eight feet six inches high, in every part, from the floor to the ceiling. (2) The ceiling of such room shall be at least four feet and six inches above the surface of the street or ground outside of or adjoining the same. (3) All walls surrounding such room shall be damp-proof. (4) The floor of such room shall be damp-proof and water-proof. Floor of cellar to SEC. 22. The floor of the cellar or the lowest floor of every tenement house shall be water-tight, and the cellar ceiling shall be plastered, except where the first floor above the cellar is constructed of iron beams and fire-proof filling. Building convert ed into tenement with provisions of act. SEC. 23. No building, not used as a tenement house at the house to comply time at which this act takes effect, shall be converted to such use unless it complies with the provisions of this act in every respect except that the distance between the floors of an existing building need not be changed; provided, that every room of such tenement house shall measure at least seven feet eight inches from the finished floor to the finished ceiling. Alterations to visions. SEC. 24. No tenement house shall be altered or added to comply with pro- so as to diminish the light, ventilation, or court or yard spaces existing before such alterations were made, in any way not approved by the department or officer charged with the execution of this act, or so as to infringe upon the standards set by this act in respect to new buildings; and all court or yard spaces adjacent to and under the same ownership with any tenement house and required by the standards set by this act in respect to new buildings shall be maintained as court and yard spaces so long as the building is maintained as a tenement house; and the number of stories of any tenement house shall not be increased unless the court and yard spaces adjacent to such house and under the same ownership conform to the standards set by this act in respect to new buildings of the proposed number of stories. Statement in writing of proposed construc tion or alteration to be made to tor. SEC. 25. Before the construction or alteration of a tenement house or the alteration or conversion of a building for use as a tenement house is commenced, the owner, or his building inspec agent or architect, shall submit to the building inspector or other local officer authorized to issue building permits, a detailed statement in writing, verified by the affidavit of the person making the same, of the specifications for the construction, and for the lighting and ventilation of such tenement house or building, upon a blank or form to be furnished by such officer, and shall also submit a copy of the plans of such work. Such statement shall give in full the name and res |