All public utility franchises granted after the adoption of this Charter, whether it be so provided in the granting ordinance or not, shall be subject to the right of the city:
1. To repeal the franchise for misuse, or non-use, or for failure to comply with the provisions thereof;
2. To require proper and adequate extension of plant and service maintenance thereof at the highest practicable standard of efficiency;
3. To establish reasonable standards of service and quality of products, and prevent unjust discrimination in service or rates;
4. To require continuous and uninterrupted service to the public in accordance with the terms of the franchise throughout the entire period thereof;
5. To impose such other regulations as may be determined by the Council to be conducive to the safety, welfare, and accommodation of the public;
6. To require the public utility to which any franchise is granted to permit joint use of its property and appurtenances located in the streets, alleys, and public places of the city, and other utilities insofar as such joint use may be reasonable rental therefor; provided, that in the absence of agreement, upon application by any public utility, the Council shall provide for arbitration of the terms and conditions of such joint use. Said arbitration shall be governed by the rules and regulations of the American Arbitration Association; the cost of arbitration to be paid for jointly or shared equally by the contestants; and
7. To pay such part of the cost of improvement or maintenance of the streets, alleys, bridges, and public places of the city as shall arise from its use thereof and to protect and save the city harmless from all damages arising from said use.