The grant of every franchise or privilege shall be subject to the right of the City whether in terms reserved or not, to make all regulations which shall be necessary to secure in the most ample manner the safety, welfare, and accommodation of the public, including, among other things, the right to pass and enforce ordinances, to require proper and adequate extensions of the service of such grant, to protect the public from danger or inconvenience in the operation of any work or business authorized by the grant of the franchise, and the right to make and enforce all such regulations as shall be reasonably necessary to secure adequate, sufficient, and proper service, extensions, and accommodations for the people and insure their comfort and convenience.