Right of Corporation to drains, etc., constructed, etc., at charge of municipal fund on premises not belonging to the Corporation

All drains, ventilation-shafts and all appliances and fittings connected with drainage-works constructed, erected or set up at the charge of the municipal fund upon a premises not belonging to the Corporation, whether before or after the passing of this Act, and otherwise than for the sole use and benefit of the said permises, shall, unless the Corporation has otherwise determined or shall at any time determine, vest, and be deemed to have always vested, in the Corporation.