S-2.1, r. 9 - Regulation respecting concrete pumps and distribution masts

Full text
43. Neither a distribution mast nor a flexible end hose shall be extended beyond the length for which it was designed by the manufacturer.
Where the tip of a flexible end hose is connected to another series of pipes, it shall not cause an overload on the distribution mast.
O.C. 1520-92, s. 43.