Water Treatment Plant: 10 hour shift. 1st shift Starting time - 7:00 a.m.Quitting time - 5:00 p.m.. 2nd shift Starting time - 1:00 p.m..Quitting time - 11:00 p.m. 3rd shift Starting time - 11:00 p.m.Quitting time - 9:00 a.m. 8 Hour shift Starting time - 7:00 a.m. Quitting time - 3:00 p.m. It is agreed that for the purpose of defining work days, overtime and holidays, at the Water Plant, the shifts listed above shall constitute a day. (i.e.; Monday = 1st, 2nd & 3rd shift - 1 day; Tuesday = 1st, 2nd & 3rd shift - 1 day and so on.) Due to the nature of the operation of the Water Treatment Plant, a one-half (½) hour for lunch is taken within the eight (8) hours shift whenever it is possible. Shift Schedules/Shift Assignments for Plant Operators shall be established and practiced prior to the effective date of this Agreement, and shall remain in effect for the term of this Agreement.