- (a) In addition to NFPA 59A §§9.4.2.3 and 9.4.2.4, the number of shutoff valves installed shall be kept to the minimum required for efficient and safe operation of each facility.
- (b) Piping systems shall be designed to limit the contained volume that could be discharged in the event of a piping system failure. Sufficient valves which can be operated both at the installed location and from a remote location to shut down the process and transfer systems in the event of an emergency shall be installed.
- (c) ESD valves shall be single-purpose valves.
Source Note:The provisions of this §14.2416 adopted to be effective May 26, 2003, 28 TexReg 4100; amended to be effective December 24, 2012, 37 TexReg 9921; amended to be effective February 15, 2021, 46 TexReg 1044.