18.5 Plant Categories and Classes
18.5.1 Plant categories and classes for the awards shall be as follows:
18.5.1.1 Municipal Wastewater Plant
Design P.E.
Class Ia
Any waste stabilization pond facility less than 1,500Class Ib
Any waste stabilization pond facility 1,500 and greaterClass II
Any secondary treatment plant less than 3,500Class III
Any secondary treatment plant 3,500 to 10,000 or Any advanced or specialized waste water treatment facility less than 5,000Class IV
Any secondary treatment plant over 10,000 to 30,000 or Any advanced or specialized waste water treatment facility 5,000 to 10,000Class V
Any secondary treatment plant over 30,000 or Any advanced or specialized waste water treatment facility over 10,000
18.5.1.2 Industrial Waste Treatment Plant
Design P.E.
Class VI
Any secondary or advanced treatment plant AllPretreatment
Any plant discharging to a municipal system All