Section 34, The Machinery (Safe Working Citation

(I) An Inspector may fix the limits of the load to beplaced on the safety-valves, and after he shall have so fixed the limits no weights, springs' or levers shall be used other than those approved by him. (2) No person shall place an undue weight on the safety-valve of a boiler or inqrease the load in any way beyond the limit fixed by an Inspector under this rule.