236 BOARD OF ESTIMATE AND APPORTIONMENT 



(a) Permit the extension of an existing building and the existing use 

 thereof upon the lot occupied by such building at the time of the passage 

 of this resolution or permit the erection of an additional building upon a lot 

 occupied at the time of the passage of this resolution by a commercial or 

 industrial establishment and which additional building is a part of such 

 establishment ; 



(b) Where a use district boundary line divides a lot in a single owner- 

 ship at the time of the passage of this resolution, permit a use authorized 

 on either portion of such lot to extend to the entire lot, but not more 

 than 25 feet beyond the boundary line of the district in which such use is 

 authorized ; 



(c) Permit the extension of a building into a more restricted district 

 under such conditions as will safeguard the character of the more restricted 

 district ; 



(d) Permit in a residence district a central telephone exchange or any 

 building or use in keeping with the uses expressly enumerated in section 3 

 as the purposes for which buildings or premises may be erected or used in a 

 residence district ; 



(e) Permit in a business district the erection of a garage or stable in 

 any portion of a street between two intersecting streets in which portion or 

 block there exists a public garage or public stable at the time of the passage 

 of this resolution ; 



(f) Grant in undeveloped sections of the city temporary and conditional 

 permits for not more than two years for structures and uses in contravention 

 of the requirements of this article. 



Article III — Height Districts 



§ 8. Height Districts. For the purpose of regulating and limiting the 

 height and bulk of buildings hereafter erected, the City of New York is 

 hereby divided into five classes of districts: (a) one times districts, (b) one 

 and one-quarter times districts, (c) one and one-half times districts, (d) two 

 times districts, (e) two and one-half times districts; as shown on the height 

 district map which accompanies this resolution and is hereby declared to be 

 part hereof. The height districts designaed on said map are hereby estab- 

 lished. The height district map designations and map designation rules 

 which accompany said height district map are hereby declared to be part 

 thereof. No building or part of a building shall be erected except in con- 

 formity with the regulations herein prescribed for the height district in 

 in which such building is located. 



(a) In a one times district no building shall be erected to a height in 

 excess of the width of the street, but for each one foot that the building 

 or a portion of it sets back from the street line two feet shall be added to 

 the height limit of such building or such portion thereof. 



(b) In a one and one-quarter times district no building shall be erected 

 to a height in excess of one and one-quarter times the width of the street, 

 but for each one foot that the building or a portion o'f it sets back from the 

 street line two and one-half feet shall be added to the height limit of such 

 building or such portion thereof. 



(c) In a one and one-half times district no building shall be erected to 

 a height in excess of one and one-half times the width of the street, but for 

 each one foot that the building or a portion of its sets back from the street 

 line three feet shall be added to the height limit of such building or such 

 portion thereof. 



