As used in this chapter:
"Public utility district" means public utility district or districts or a joint operating agency or agencies.
"Construction project" means the construction of generating facilities by a public utility district. It includes the relocation of highways and railroads, by whomever done, to the extent that it is occasioned by the overflowing of their former locations, or by destruction or burying incident to the construction.
"Base-year enrollment" means the number of pupils enrolled in a school district on the first of May next preceding the date construction was commenced.
"Subsequent-year enrollment" means the number of pupils enrolled in a school district on any first of May after construction was commenced.
"Construction pupils" means pupils who have a parent who is a full time employee on the construction project and who moved into the school district subsequent to the first day of May next preceding the day the construction was commenced.
"Nonconstruction pupils" means other pupils.