Section 81.   CONDITIONS IN EVERY FRANCHISE.
   Every franchise which does not contain provisions prescribed in this section shall be absolutely void and incapable of ratification by estoppel or otherwise. Every franchise shall contain the following provisions:
   (a)   That the grantee shall be subject to and will perform on its part all the terms of this charter.
   (b)   That the grantee shall in no case claim or pretend to exercise any power to fix fares, rates, and charges; but that such fares, rates, and charges shall at all times be just, fair, and reasonable for the services rendered, and shall in all cases be fixed and from time to time changed in the manner provided in this charter.
   (c)   That the council shall have the right to require reasonable extensions of any public service system from time to time, and to make such rules and regulations as may be required to secure adequate and proper service and to provide sufficient accomodations for the public.
   (d)   That the grantee shall not issue any capital stock on account of the franchise or the value thereof, and that the grantee shall have no right to receive, upon condemnation proceedings brought by the city to acquire the public utility exercising such franchise, any return on account of the franchise or its value.
   (e)   That no sale or lease of said franchise shall be effective until the assignee or lessee shall have filed in the office of the city administrator or city clerk an instrument, duly executed, reciting the fact of such sale or lease, accepting the terms of the franchise, and agreeing to perform all the conditions required of the grantee thereunder. The Assignee or Lessee shall also file a bond in such amount and with such conditions as the council may require, which bond shall run to the city as obligee, with sureties satisfactory to the council and shall obligate the Assignee or Lessee to discharge all obligations and liabilities imposed by said franchise.
   (f)   That every grant in said franchise contained of permission for the erection of poles, masts, or other fixtures in the streets and for the attachment of wires thereto, or for the laying of tracks, or of pipes or conduits under the streets or public places, or for the placing in the streets or other public places of any permanent or semi-permanent fixtures whatsoever, shall be subject to the conditions that the council shall have the power to require such alteration therein, or relocation or rerouting thereof, as the council may at any time deem necessary for the safety, health, or convenience of the public, and particularly that it shall have the power to require the removal of poles, masts and other fixtures bearing wires and the placing underground of all wires for whatsoever purpose used.
   (g)   Every franchise and every extension or renewal of such franchise, shall contain a provision for its acceptance in writing by the grantee within thirty days after its passage by the council and before its submission to a vote of the people in case of a referendum. No such franchise shall be binding upon the city until its acceptance by the grantee. Such acceptance shall be construed to be an acceptance of, and consent to, all the terms, conditions, and limitations contained in the ordinance granting the franchise as well as the provisions of this charter. The violation by the holder of any franchise of any of the express provisions prescribed by this section shall be sufficient cause for the forfeiture of the franchise by a resolution of the council.