B-1.1, r. 2 - Construction Code

Full text
8.116. A shut-off valve must be installed on the aboveground piping of a petroleum equipment installation at the following locations:
(1)  at connections of the piping to aboveground tanks;
(2)  on supply piping where it enters buildings or any other works or place immediately accessible from the outside of the buildings or works;
(3)  on branch lines from the main supply line;
(4)  on supply lines at petroleum products dispensing locations;
(5)  at connections of meters or air bleeder valves; and
(6)  at connections of pumps.
O.C. 220-2007, s. 1.