Whenever the Chief determines that a Certified Fire Safety Officer is required, payment for the services of said officer shall be paid to the Certified Fire Safety Officer by the person engaging the services of the Certified Fire Safety Officer. For each such Certified Fire Safety Officer assigned by the Chief, the hourly rate shall be the rate established in the existing Los Angeles Fire Department Memorandum of Understanding for Fire Inspector 1. Said fee shall constitute the total sum payable from any source for the services of that person. Payment for a Certified Fire Safety Officer shall be based on the following requirements:
1. Four-hour minimum workday.
2. Time and one-half after eight hours.
3. Time and one-half for Saturdays and Sundays.
4. Time and one-half for holidays identified by the existing Los Angeles Fire Department Memorandum of Understanding for Fire Inspector 1.