§ 96.025  COVERING, ENCLOSING AND MARKING EXCAVATIONS.
   Excavations in any street, sidewalk or other public right-of-way shall be securely covered or enclosed at all times when persons are not at work therein. In addition, any person excavating or opening any street, sidewalk or other public right-of-way shall mark the same with a sufficient number of red flags during the day and lights at night.
(`90 Code, § 18-21)  Penalty, see § 96.999