It is unlawful to operate any amusement activity at nighttime when there is inadequate lighting in the amusement activity area. The area around and between tents, facilities and equipment of any amusement activity shall be well lighted at all times during the operation of such amusement activity or any part thereof. An emergency lighting system approved by the city building official to provide adequate lighting for orderly evacuation in event of disaster or emergency shall be provided by the permittee when required. (Ord. 304 § 11, 1972).