The Department may waive the permit fee for all work covered under this article and
performed by a federal, State, municipal or other local governmental agency, whether
this work is performed by employees of said agency or by a private firm or corporation
under contract with the agency. However, such federal, State, municipal or other local
governmental agency or private firm or corporation under contract therewith shall
not be relieved of the responsibility of obtaining a permit for work covered under
the provisions of this article. The Director of said Department also may waive all
requirements concerning posting of a performance bond by any governmental agency whenever
the work is to be performed by employees of said agency, provided that, in lieu of
the posting of a performance bond, said agency shall furnish said Department satisfactory
written assurances that the work performed by its employees will comply fully with
all requirements of the permit; and provided, further, that the Director of said Department
may waive the posting of a performance bond by any private firm or corporation under
contract with any governmental agency when said firm or corporation shall have posted
a satisfactory and acceptable bond with the said governmental agency, proof of such
bond having been furnished by said agency to the Department.