Originally Aired - Monday, February 17 • 1:00 PM - 2:30 PM
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Location: Rm133
Dosing systems serve important functions in onsite wastewater treatment systems. The dosing system collects, stores and distributes liquid from the water source. The sizing of the dosing system components is critical to defining the benefits offered through use of the system, such as flow equalization; uniform distribution of the liquid and the organic load over the 24-hour day; storage during a malfunction to allow time for replacement of components; and communication with the owner on the status of the system. The components of the dosing system include the tank, pump, discharge assembly, wiring and controls. The controls can be defined as demand or timer control. The service provider should set the controls properly to keep system performing. Additionally, the pump operation data recorded through the use of cycle counters and elapsed time meters can communicate the need for system maintenance. The timer control system assists in identifying soft malfunctions which can be corrected before reaching a hard malfunction condition.
After this session, attendees will be able to:
1. Describe methods to limit the risk of solids entering the pump.
2. Describe the difference between demand and timer operation in a dosing system.
3. Utilize pump operational data to communicate the need for system maintenance to the owner.
4. Measure and set the float connections in a dosing tank.
Ideal Audience: Designers, operators, and installers.
Level: Basic
Type: 90-Minute Education Session
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