The franchise (1) To use, for transmitting and distributing gas suited for lighting but for use by consumers for any and all lawful purposes other than lighting, all pipes and appurtenances which are now or may hereafter be lawfully placed and maintained in the streets within city under the constitutional franchise of grantee; (2) To install, maintain and use in the streets and places all pipes and appurtenances, whenever and wherever the constitutional franchise of grantee is not now nor shall hereafter be available therefor, necessary to transmit and distribute gas suited for, and for use by, consumers for any or all lawful purposes; and (3) To utilize the pipes and appurtenances in the public streets and places for transmitting gas for use outside the boundaries of the city for any and all lawful purposes is granted to Pacific Gas and Electric Company, its successors and assigns. (Prior code § 10-25)