N.Y.C. Admin. Code § BC Q104: Section BC Q104: Installation of Sprinkler Systems in Residential Occupancies

Q104.1 General.

Sprinkler systems, where required by this code, shall be installed in accordance with NFPA 13R, Standard for the Installation of Sprinkler Systems in Low-Rise Residential Occupancies, 2016 edition, modified for New York City as follows. Refer to the rules of the department for any subsequent additions, modifications or deletions that may have been made to this standard in accordance with Section 28-103.19 of the Administrative Code.

Chapter 1 Administration

1.1 Delete after the word "including" and replace with the following: "six stories in height in buildings not exceeding 60 ft (18.3 m) in height above grade plane."

1.2.3 Add at end the following: "in accordance with the New York City Building Code."

Chapter 2 Referenced Publications

2.1 Add at end the following: "Where a referenced publication has been modified for the City of New York by the New York City Building Code or the rules of the Department of Buildings, every reference to such publication shall be deemed to include all such modifications. Where the edition of a publication referenced within this standard differs from the edition provided for the same standard in Chapter 35 of the New York City Building Code, the edition provided for in Chapter 35 of the New York City Building Code shall govern."

Chapter 3 Definitions

3.3.6 Delete after the word "walls."

3.3.9 Delete (Use definitions contained in the New York City Building Code).

Chapter 4 General Requirements No changes.

Chapter 5 System Components

5.2.1 Add at the end the following: "Non-metallic pipe shall be used in wet systems only when standpipe is not present."

5.2.11 Add at the end the following: "in accordance with the New York City Plumbing Code."

5.3.2(1) Delete and replace with the following: "Antifreeze systems – Only glycerin type anti-freeze is permitted for use in systems containing non-metallic pipe or fittings."

Chapter 6 Installation

6.5.4 Delete and replace with the following: "Sprinkler Interior Protected Glazing. Where sprinklers are used in combination with glazing as an alternative to a required fire-rated wall or window assembly, the sprinkler-protected assembly shall be approved by the commissioner and shall comply with the following:

"(1) Sprinklers shall be listed as specific application window sprinklers unless standard spray sprinklers are specifically permitted by the commissioner."

"(2) Sprinklers shall be supplied by a wet pipe system."

"(3) Where the assembly is required to be protected from both sides, sprinklers shall be installed on both sides of the glazing."

"(4) The use of sprinkler protected glazing shall be limited to non-load-bearing walls."

"(5) The water supply duration for the design area that includes the window sprinklers shall not be less than the required rating of the assembly."

6.6.6* After the word "attics" add the words: "without floors".

Add 6.6.10 to read as follows: "Location of sprinklers installed in buildings classified in occupancy group R-1 shall be in accordance with the requirements of the New York City Building Code and NFPA 13-2016 as modified for New York City."

6.8.2 Delete and replace with the following: "Except for the meter set controlling combined domestic water and fire sprinkler systems, sectional control valves and other valves if provided in supply pipes to sprinklers shall be locked open and supervised open by one of the following methods:"

"(a) Supervising station, proprietary or remote station signaling service, or"

"(b) Local signaling service that will cause the sounding of an audible signal at a constantly attended point."

"Exception: Underground gate valves with roadway boxes need not be supervised."

6.11 Delete and replace with the following: "Fire Department Connection. Except in buildings classified in occupancy group R-1, at least one 3 in. (76 mm) single inlet Fire Department connection shall be provided and located in accordance with the New York City Building Code. Buildings classified in occupancy group R-1 shall be provided with two-way Fire Department connections in accordance with the referenced standard NFPA 13-2016 as modified for New York City. A Fire Department connection is not required in one-and two-family dwellings."

6.11.1 Delete.

6.11.2 Delete.

6.11.5 Delete.

Chapter 7 Discharge Criteria No changes.

Chapter 8 Plans and Calculations No changes.

Chapter 9 Water Supply

9.3 Add the following as item (5):

"(5) A common supply main to the building, serving both sprinklers and domestic uses, may be used if provision is made to prevent flow on the domestic water system upon operation of sprinklers, and closure of the main sprinkler control valve (the house control valve) will shut off the domestic water supply."

9.6 Delete.

Chapter 10 System Acceptance

10.1.2 Delete.

Figure 10.1.2 Delete.

10.1.3 Delete.

Chapter 11 Care and Maintenance

11.3 Delete and replace with the following: "Sprinkler systems shall be inspected, tested, and maintained in accordance with the New York City Fire Code and with the rules of the Fire Department."

11.4 Delete.

ANNEXES

The annexes are not a part of the requirements of this Referenced Standard but are included for informational purposes only. These annexes contain explanatory material, numbered to correspond with the applicable text paragraphs. In the event of any conflict between the Annexes and the body of the Referenced Standard, particularly where modifications have been made for New York City, the body of the Referenced Standard will govern.

Annex A Explanatory Material

A.1.1 Delete the words "four stories" and replace with the words: "six stories".

A.5.2.12.2 Delete.

A.9.6 Delete.

Table A.9.6(a) Delete.

Table A.9.6(b) Delete.

Annex B Informational References No changes.