5706.5.18.1 Shutoff valves.
FC § 5706.5.18.1
Approved automatically or manually activated shutoff valves shall be provided where the transfer hose connects to the process piping, and on both sides of any exterior fire-resistance-rated wall through which the piping passes. Manual shutoff valves shall be arranged such that they are readily accessible from grade. Valves shall not be locked in the open position.













