12The repeal of any enactment by this Act shall not affect any pension, allowance or gratuity granted under section 79(8) of the [1930 c. 44.] Land Drainage Act 1930, section 80(7) thereof or section 53 of the [1950 c. 1.] Thames Conservancy Act 1950 before the commencement of this Act, and any such pension, allowance or gratuity shall continue to be paid as if this Act had not been passed.