Our system (in west central Florida) has over 650 wastewater pump stations. Most of the stations use submersible non-clog pumps passing a 3 inch sphere. The majority of wet wells in use are predominantly round precast concrete with an anti-corrosion liner or coating.
Our Pump station Advisory...
We use a round wet well made by concrete precast plants. We also use duplex pump arrangements, and soemtimes triplex submersible pumps. Our wet wells range in size from 6 ft ID to 12 ft ID. We also line ours with a tough PVC liner for corrosion protection. On a recent trip to a precast plant...
I was asked to find out the chemical composition of #6 oil. I thought that would be a relatively easy task. First, I turned to my Marks' Mechanical Engineers Handbook for the answer; no real answer on this grade of oil. Then I turned to Google for an internet search. I spent a couple of...
My knowledge of vibration analysis is relatively nil. I have replaced four old vertical centrifugal pumps with new pumps and 1200 r.p.m. motors. The installation is on a reinforced concrete slab over the pump wet well. The manufacturer's rep checked everything out before startup and blessed...
We have an old AC water main (about 3000 LF) that we want to abandon in place with grout fill or flowable fill. We are aware of the friable nature and environmental hazards of AC pipe hence we don't want to to remove it. The grout fill is meant to mitigate against any future subsidance of the...
I have a soon to be adandoned 3000 ft long, 14 inch diameter asbestos-cement [AC] or transite water line with about three foot of cover in sandy soils (Florida). It runs under streets and under an apartment complex. When we take it out of service we want to leave it in place, but fill it with...
