Par. 1. - Every inner court in a tenement house hereafter erected shall be provided with one or more horizontal intakes at the bottom. Such intakes in vent courts shall be not less than four square feet in area, so arranged as to be easily cleaned; in other inner courts they shall be not less than three feet wide and seven feet high, and there shall be at least two open grille doors, containing not less than fifteen square feet of unobstructed openings, one at the inner court and the other at the street or yard as the case may be.

Par. 2. - Nothing contained in the foregoing sections concerning outer and inner courts shall be construed as prohibiting windows in walls that cut off the angles of such courts, provided that the running length of the walls containing such windows does not exceed six feet.

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Section 62. Buildings on the Same Lot With Tenement Houses

Par. 1. - No tenement house shall hereafter be so enlarged or its lot so diminished, and no building of any kind shall be hereafter so placed upon the same lot with a' tenement house, as to decrease the minimum depth of yards or the mimimum size of courts or yards prescribed in this act for tenement houses hereafter erected.