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FOR IMMEDIATE RELEASE
AcuFlow Diagnostics develops inspection program for Water Treatment Plants Filter Cell Clay Block Under Drain Inspection and Cleaning
Project:
Client at a large municipal water treatment plant has a concern about filter media, in this case anthracite, infiltrating the dual chamber, upper and lower, clay block filter beds and getting into the clear well.
Solution:
Each filter cell has 48 laterals, each of 12 filter cells were cored, using a water cooled diamond tip cutter to provide the smoothest cut, at two laterals within the cell. It was felt this would give an idea of general conditions in each cell as a preliminary test.
Each lateral was cored into the upper chamber using a 3 inch bit and the lower chamber using a 21/2" bit, this is to accommodate the installation of a dual locking plug after inspection.
A .9" 17mm push camera was used to inspect the upper then lower lateral channels for their entire length. There was media present in all laterals in varying degrees as was anticipated. It was also discovered that the grout used to join the clay tile was eroding and infiltrating the system as well.
The original plan called for a cleaning of the laterals by use of a conventional water jetter after inspection if required, using the pressurized water to draw all material present back to the opening and using a wet vac to pull it out. We soon realized the water jetter was serving to further erode the grout so this was replaced by attaching a vacuum head to camera so the cleaning process could be viewed to ensure a complete cleaning.
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AcuFlow Services develops inspection program for Water Treatment Plants Filter Cell Clay Block Under Drain Inspection and Cleaning
Project:  Client at a large municipal water treatment plant has a concern about filter media, in this case anthracite, infiltrating the dual chamber, upper and lower, clay block filter beds and getting into the clear well.
Solution:
Each filter cell has 48 laterals, each of 12 filter cells were cored, using a water cooled diamond tip cutter to provide the smoothest cut, at two laterals within the cell. It was felt this would give an idea of general conditions in each cell as a preliminary test.
Each lateral was cored into the upper chamber using a 3 inch bit and the lower chamber using a 21/2" bit, this is to accommodate the installation of a dual locking plug after inspection.
A .9" 17mm push camera was used to inspect the upper then lower lateral channels for their entire length. There was media present in all laterals in varying degrees as was anticipated. It was also discovered that the grout used to join the clay tile was eroding and infiltrating the system as well.
The original plan called for a cleaning of the laterals by use of a conventional water jetter after inspection if required, using the pressurized water to draw all material present back to the opening and using a wet vac to pull it out. We soon realized the water jetter was serving to further erode the grout so this was replaced by attaching a vacuum head to camera so the cleaning process could be viewed to ensure a complete cleaning.