When such paving or resurfacing is ordered or declared necessary by Council, such sewer and water connections as are necessary shall be installed in advance of such paving or resurfacing. The cost of such connections shall be charged against the premises adjacent thereto, or to be served thereby, and against the owner of such premises. Where such paving or resurfacing is financed in whole or in part by special assessment, the cost of such sewer and water connections may be made chargeable against the premises served or adjacent thereto, as a part of the special assessment for such paving or resurfacing. Where such paving or resurfacing is financed otherwise than by special assessment, the cost of the sewer and water connections so installed shall be a lien on such premises adjacent thereto, or to be served thereby, and shall be collected as provided for assessments on single lots pursuant to the provisions of the City Charter.