A. General Requirements:
1. It shall be unlawful for any person to use or operate in connection with the drilling or reworking of any well within the City, any wooden derrick or any steam powered rig; or to permit any drilling rig or derrick to remain on the premises or drilling site for a period longer than sixty (60) days after completion or abandonment of the well.
2. All engines required for operations after the well has been completed as a producing well shall be electrically powered by electricity produced by a regulated public utility.
3. All rigs must be of a type using mud as a drilling fluid.
4. The permittee shall keep a watchman on duty on the premises at all times during drilling and/or completion operations from the start of the erection of the derrick, or a mast, or gin pole, until the well is abandoned and plugged, or completed as a producing well and enclosed within a fence as required hereafter; provided, that it shall not be necessary to keep an extra watchman on duty on the premises when other workmen of the permittee are on the premises.
B. Height: Derrick heights shall not exceed the maximum allowable limit within the airport restriction zones of Vance Air Force Base and Woodring Municipal Airport. (1994 Code § 23.5-11)