Section 157 Where new sewers are made commissioners may make special sewer rates.

Whenever any new sewer shall be made, the commissioners may charge the occupiers of all lands and buildings liable to contribute to the rates for making the same with special sewer rates, over and above any other rates to which such persons may be liable under this or the special Act, after the yearly rate of F1£6·50p in the hundred pounds on the cost of making such new sewer, such special sewer rates to be payable during thirty years next after such expences have been incurred.