The purposes of this section through Section 5.28.820 of this chapter, are to require that workers engaged in the initial construction of cable television systems and in the ongoing installation, maintenance, repair, extension, reconstruction and subsequent construction of such systems are compensated during the term of each franchise at not less than prevailing rates as defined by Section 5.28.780 of this chapter, and to establish self-enforcing mechanisms to insure compliance with such requirements. (Prior code § 20.04.316)