I have a metal deck form that has fallen apart. An engineering firm was consulted to address the building and originally their recommendation was to replace the deck. We had asked if there was any harm in removing it. They said if it considered form deck, there's no issue with removing it to...
I'm looking for ideas on how to bypass the main lift station that located is right before the inlet of our wastewater treatment plant (see picture). It's a small plant - about 21,000 gpd. There are three inlets on the lift station. I can plug two of the inlets and take the buildings out of...
I am looking to change the pump and piping for the wet well lift station that feeds a small packaged extended aeration activated sludge wastewater treatment plant. The current pump is a submersible solids handling pump and it is oversized, which is causing intermittent, infrequent and high...
Motor is 50hp. Pressure gauge on discharge is reading 116psi. CAD drawing says the pump is 465 gallons @ 245 ft TDH. Does this mean the impeller should be trimmed to ~8 inches? Thanks.
I'm considering upgrading our pumps to VFDs. Current pumps are rated 465 gpm @ 245 ft of TDH. Supplied from a 40 ft tank. The distribution system is poorly designed (not a closed loop), HDPE that has frequent leaks usually at the pipe seems. Pressure is pretty high throughout the system (~90...