New York regulations
Title 9 Part 1503
Executive Department
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9 NYCRR 1503.1 - General requirements
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)New sprinkler systems installed pursuant to sections 57(2), 61(3), 62(1), 62(2), 62(3), and 62(4) of chapter 61-B of the Consolidated Laws (Multiple Residence Law) of the State of New York shall conform to the regulations as set forth herein, entitled Part 1503, Sprinkler Systems in Hotels and Similar Dwellings.
(b)New sprinkler systems shall, upon actuation by heat produced by fire, automatically distribute water upon the fire in sufficient quantities either to extinguish it entirely or confine it without spread. Such sprinkler systems shall be designed, constructed, installed and maintained so as to be structurally safe and present no physical hazard.
(c)The component parts of new sprinkler systems shall be made and assembled so as to function as a unified system which will not require frequent major replacements.
(d)Prior to making a new installation or an alteration or an addition to an existing installation, drawings and data showing complete details of the new installation, together with all pertinent details of the existing installation, if there be one, shall be furnished to the department, and approval obtained for the proposed work. Upon completion of the work, and as a condition of approval, the entire system shall be subjected to a test conducted in the presence of, and under the direction of, a representative of the department; and the entire system must prove satisfactory under such test.
(e)Connections to new or existing sprinkler systems for other than sprinkler use are prohibited, except as otherwise provided in section 1503.8 of this Part.
9 NYCRR 1503.2 - Existing installations
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)Before existing sprinkler systems installed prior to July 1, 1952, may be approved as complying with the requirements of this Part, they shall be examined and tested by the department. Such systems shall comply with the following requirements:
(1)They shall be in operative condition, shall be free from mechanical injury, structural defects and obstructions and shall present no physical hazard.
(2)They shall have a water supply of adequate pressure and capacity, and shall function automatically at the operating temperatures set forth in this Part for new installations.
(3)They shall, upon actuation by heat produced by fire, automatically distribute water upon the fire in sufficient quantities either to extinguish it entirely or confine it without spread.
(b)New extensions to existing sprinkler systems shall comply with all of the provisions of this Part applicable to new installations.
9 NYCRR 1503.3 - Water supply
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Westlaw Inline Boundary Correction
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)New sprinkler systems shall have at least one automatic water supply of adequate pressure, capacity and reliability meeting all of the requirements for light-hazard conditions of the generally accepted standards listed in the appendix to these rules and regulations*.
(b)When primary supply is obtained from water mains and the water pressure is insufficient to maintain 12 pounds per square inch at the highest sprinkler head, but is sufficient to maintain at least five pounds per square inch at such head, an automatic booster pump shall be used as an auxiliary means of furnishing the required supply. The booster pump shall be caused to operate when the flow of water through any portion of the sprinkler piping is equal to or greater than that flowing from a single sprinkler head. The booster pump shall be capable of supplying sufficient water for a period of at least 20 minutes to at least 25 per cent of the total number of sprinkler heads at a pressure of at least 12 pounds per square inch at the highest sprinkler head. Such booster pump shall be so connected as not to restrict the flow of water in the system.
(c)Gravity tanks, when used as the primary means of water supply for new sprinkler systems, shall have a capacity of at least 5,000 gallons and the bottom of the tank shall be not less than 20 feet above the highest sprinkler head supplied from the tank.
(d)Where approved by the department, one common source of water supply of adequate capacity may be acceptable for adjacent buildings or contiguous buildings separated by fire walls.
9 NYCRR 1503.4 - Piping systems
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Westlaw Inline Boundary Correction
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)New sprinkler systems shall be capable of withstanding a water pressure of at least 175 pounds per square inch. All parts of such systems, including tanks, that are exposed to the weather or subjected to freezing shall be designed, installed and protected so as to withstand damage and to function in a satisfactory manner.
(b)Pipe sizes for new sprinkler systems shall conform to the requirements of the generally accepted standards listed in the appendix *, except that with the approval of the department the supply main need be only as large as the largest pipe in the system but in no case less than two inches in size.
9 NYCRR 1503.5 - Spacing of sprinkler heads
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Westlaw Inline Boundary Correction
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)Sprinkler heads installed in new sprinkler systems and additional sprinkler heads installed in existing sprinkler systems shall be located and arranged to spray all parts of the area to be protected, including closets and alcoves opening from such areas.
(b)Spacing of sprinkler heads installed in new sprinkler systems shall conform to the requirements of the generally accepted standards listed in the appendix*.
9 NYCRR 1503.6 - Fire department connection
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)New sprinkler systems having more than 36 sprinkler heads shall be equipped with approved fire department connections, and such connections shall be constructed of corrosion-resistive metal, located on a street front of the building or structure not less than 18 inches or more than 36 inches above grade; when located more than two feet above grade, such connections shall not project beyond the building face. Such connections shall be marked with raised letters not less than one inch in size, reading as follows: AUTO SPKR.
(b)The number of fire department connections required shall be determined by the department.
9 NYCRR 1503.7 - Sprinkler alarm
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
New sprinkler systems shall be equipped with means for sounding an audible signal to warn all the occupants when the flow of water through any part of such systems is equal to or greater than that flowing from a single sprinkler head. The alarm signal shall be automatically transmitted to the local fire department or there shall be an appropriate sign located near the sounding device in a conspicuous position and identified as follows: SPRINKLER FIRE ALARM—WHEN ALARM SOUNDS CALL FIRE DEPARTMENT.
9 NYCRR 1503.8 - House service water supply
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
New and existing sprinkler systems shall be maintained for sprinkler use only, and connections to such systems for any other purpose shall be prohibited, except that a house service water-supply connection may be tapped from the sprinkler water-supply connection to the water main, provided the house service tap is not more than one and one-fourth inches for a four-inch sprinkler connection to the main, and not more than two inches for a six-inch or larger sprinkler connection to the main. Where a connection for house service water supply is made to the sprinkler water supply such connection shall be made on the supply side of the check valve in the service main.
9 NYCRR 1503.9 - Maintenance
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Source receipt
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
(a)Sprinkler systems shall be maintained in operative condition, free from mechanical damage, structural failure, water failure or obstruction during the period that the buildings are occupied.
(b)Sprinkler systems shall be inspected by a competent person satisfactory to the department. Such inspection shall be made at least once every three months during the period that the buildings are occupied and within one week prior to the resumption of occupancy after the buildings have been vacant for a period exceeding one month. Such person shall be responsible for the making of all tests to see that all parts of the system are in good repair and working order. A detailed record of each inspection shall be kept, and records shall be open to examination by the department.
9 NYCRR 1503.10 - Standard for compliance
No later Register activity identified in this check.
Dates and status
- Compiling agency
- Executive Department
- Text status
- Westlaw Inline Boundary Correction
- Compiled text through
- Sep 15, 2021
- Register checked through
- July 29, 2026/Vol. XLVIII, Issue 30 (2026-07-29)
- Activity status
- No later Register activity identified in this check.
- Source snapshot
- Jun 6, 2026
The construction, installation, operation, and maintenance of new sprinkler systems in accordance with the generally accepted standards listed in the appendix to these rules and regulations*, to the extent that such standards are consistent with these rules and regulations, shall constitute compliance with this Part or any applicable provision thereof.