(A) Whenever necessary for the purpose of investigating or enforcing the provisions of this chapter, or whenever any officer of the city or his or her designate, including but not limited to, an inspector from the Barton Springs/Edwards Aquifer Conservation District, has reasonable cause to believe that there exists at any underground storage tank system conditions which constitute a violation of this chapter, said officer may enter such facility at all reasonable times to inspect the facility or to perform any duty imposed on any of said officers by law; provided that if such facility be occupied, the officer shall first present proper credentials and request entry, and further provided that if such facility is unoccupied, the officer shall first make a reasonable effort to contact a responsible person from such facility and request entry. If entry is refused, the officer seeking entry shall have recourse to every remedy provided by law to secure entry, including fines and excavation, if necessary.
(B) Any permit applicant shall agree in writing to allow entry by an officer of the city or his or her designate to the facility or underground storage tank system which is the subject of the application for the purpose of inspection of conditions during the approval stage and during construction.
(C) Any permit holder shall agree to allow entry to the facility or underground storage tank system which is the subject of the permit for the purpose of inspection by city officials or their designates.