(a) The permittee shall make the opening specified in the permit, perform the necessary excavating and make proper connections, repairs or other work which are required, after which he shall make the necessary backfilling to the satisfaction of the Street Commissioner. Any pavement removed or disturbed shall be restored in a manner and with materials acceptable to the Street Commissioner.
(b) Should any person fail, refuse or neglect to do all or any part of the work referred to herein, or perform such work in a manner which is unacceptable to the Street Commissioner, the Commissioner shall cause the work to be done and the pavement restored. Payment for all work ordered or to be done by the City shall be made from the bond of the permittee. Should the cost of the labor and materials involved exceed the amount of the bond, the permittee shall be billed the balance due. If not paid within thirty days after billing, any balance due shall be recovered by legal action in the name of the City. Failure to pay shall be cause for revocation of any other existing permits or denial of any future permits applied for.