During the winter months, permits for excavation in any street, lane or alley will be granted on an emergency basis only, subject to the following conditions: all material resulting from the excavation shall be removed and backfilling shall be done with gravel or other material approved by the Engineer, which is entirely free of frozen material. No permits for new service will be granted after November 15 nor before March 1.
(1992 Code, § 600:15)