Any person having control over any wire for the transmission
of electric current or telephone, cable or any other utility service
along a public street, highway or right-of-way shall at all times
guard all trees and shrubs through which such wires pass against any
injury from the wires or from the current carried by them. Prior to
undertaking any work on the utility affecting any such tree or shrub,
the utility company shall provide at least five days prior written
notice to the Shade Tree Commission of same. The device or means used
shall be subject to the approval of the Shade Tree Commission.