A Human-Machine Interface (HMI) is the tool that allows the operator of a lift station to see data output and change parameters on the control panel. Typically an HMI is mounted on the control panel and consists of a 6”-10” screen with push buttons for the user. They range from black-and-white displays with limited push button controls to color displays with many layers of touch screen menus. HMI can also be referred to as OIT …
What is an example of an odor control system?
One example of an odor control system is a chemical feed system which will allow any number of chemicals to feed into the wet well of a pump station. This chemical feed can be a time controlled feed, a manually adjusted drip feed, or an automated rate fed into the force main. This system allows for the usage of a number of chemicals to achieve the desired odor reduction, as well as minimizing the formation …
What is an example of a well coating?
Series 435 Tnemec Perma-Glaze is an epoxy coating that is factory applied after sandblasting and priming with Series 218 Tnemec Mortarclad. It serves as a deterrent to abrasion and Hydrogen Sulfide (H2S) off gassing. This allows the concrete and steel components of the wet well to last longer.
What is an automatic transfer switch (ATS)?
An automatic transfer switch is designed for switching of electrical loads between primary power and a standby generator. The switch monitors both power sources for stability. If the utility power becomes unstable, the transfer switch signals the generator to startup and then transfers power until the utility power source returns to normal. Romtec Utilities uses ATS when a permanent generator is included in the design of the lift station. The ATS is sized for the …
What is a jockey pump?
A jockey pump is normally a smaller pump that fits into a lift station to handle nuisance flow or, possibly, small constant flows. Lift stations are designed to meet the peak flow that the system could see, but this can lead to a system that is way over-designed for the flow seen 99% of the time. For example, a lift station could be designed to handle all the stormwater from a housing development during a …