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  • Users: PELS
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  1. PELS

    Pump cost

    Can anyone recommend a website or manufacturer that can supply a pump cost? We are looking at replacing an existing pump and well constructed in 1962. Our client needs to establish a budget for the well replacement costs. The budget needs to be approved by its Board of Directors before design...
  2. PELS

    Meandering Drainage Easement (MDE)

    My situation is a custom lot subdivision with no lot grading. One lot has a natural swale running through it and the county wants an MDE to assure the drainage flow will not ever be blocked. The problem is the swale runs down the middle of the lot. The MDE would make the lot un-buildable...
  3. PELS

    Odor Control in sewer lift station

    Currently we have an existing sewer lift station that initially has very low flows. Due to the low flows, the pumps do not activate frequently. This results in an odor problem. Does anyone have any experience in retrofitting an odor control device on an existing sewer lift station? Any...
  4. PELS

    Inverted siphon ?

    We are designing a 10" diameter gravity sewer that has to cross a major thoroughfare. Unfortunately, an existing 20" diameter water transmission main lies in the direct path of the gravity sewer. We have no flexibility in the grade of the sewer as the downstream end is fixed. One...
  5. PELS

    Surge forces in sewer force main

    We just designed a sewer force main connecting three lift stations. The first station has an 8" PVC FM that discharges to a gravity manhole and into the second lift station. The length is 3180 feet. The second station has a 14" PVC FM that extends 9087 feet to the third lift...

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