From and after the said first day of June next, the mayor, recorder, aldermen and common council-men shall be, and they are hereby, fully authorized and empowered, either by themselves, or by proper persons for that purpose to be by them appointed, to do, perform and execute all such matters and things, as the said wardens and street commissioners were, at and immediately before the passing of this act, respectively authorized or enabled by law to do.
53 P.S. § 16403