(1) "Assistant custodian" means any employee who works under the supervision of a custodian except those who:
(a) Work less than eight hours per day; or
(b) Work less than 12 months per year; or
(c) Receive an hourly rate of pay.
(2) "Board" means a civil service board created pursuant to ORS 242.330.
(3) "Custodian" means an employee of the school district who has supervision of property, keeping it in sanitary condition and tending to the cleaning and operation of heating plants and other necessary work by way of care and labor to keep the physical plants of the school board in maintenance and operation. [Amended by 1969 c.262 §1]