Filter Refurbishment

The following procedure is carried out:

• Isolate and drain the filters and remove / dispose of the existing media, via skip.
• Inspect the internal surfaces, collection and distribution systems. In the case of steel filters, the internal surface (above the collection system) to be shot-blasted to SA 2.5 quality, followed by the application of a high build, solvent free epoxy, to a minimum thickness of 1000 microns.
• Replace the filter collection and distribution systems if required.
• Load the filters with new filtration media.
• Refit covers.
• Following prolonged backwashing (in conjunction with the plant operator) the filters to be re-commissioned.

Access Manways
In order to comply with current Health & Safety legislation, (with respect to confined space access) it will be necessary to replace the existing low level sand removal hatches with larger access hatches.

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