The following activities are exempt from the requirements of this chapter:
A. Temporary construction activities, including activities performed by engineers, architects, contractors, subcontractors, and construction workers, when the activities are related to the construction, development, or other improvement to real property;
B. Emergency activities in which persons are employed to render aid or other services during an emergency or natural disaster; and
C. Other temporary activities that employ persons for a period of less than 90 days. (Ord. 2013-0020 § 1; Ord. 2013-0007 § 1)