It is unlawful and an offense for any person, firm or corporation to:
   A.   Engage in or to make any improvements above specified without submitting and securing the approval of the plans, profiles, specifications and estimates of cost;
   B.   Do any such work without furnishing the bond required herein;
   C.   Commence or carry on any such work after the same has been ordered stopped by the town engineer;
   D.   Commence or carry on such construction work in an unauthorized manner; or
   E.   Fail or neglect to give the warning, or to place such flare lights at night as herein required. (1984 Code § 14-211)