This chapter, and any other proceedings in connection with the granting of the franchise herein provided for, shall not be considered or construed to be a release of, a waiver of, or in derogation of the rights and privileges that the grantee hereunder now owns of using the public streets and thoroughfares of said City of Sebastopol and of installing and using conduits, conductors, structures, poles, wires and connections therewith under and pursuant to the provisions of Section 19 of Article XI of the Constitution of the State of California as the same existed prior to its amendment on October 10, 1911.