Piping systems
Compiled text through Sep 15, 2021
Register checked through Jul 29, 2026
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.