SandFilter Vault - Inspection and Maintenance Photos

Photo shows the inside of the sediment chamber prior to maintenance.  Up to 12" of sediment was \was present.  

Photo shows location of sandfilter.  This is a Delaware Sandfilter which is configured with a sediment chamber, a filter chamber, and an outlet chamber.

Photo shows the inside of the filter chamber prior to maintenance.  The filter chamber was not draining as the filter bed was occluded with sediment.  

Photo shows the inside of the sediment chamber during maintenance.  All accumulated material was vacuumed out.

Photo shows the inside of the filter chamber after the water was removed.  Up to 6" of sediment was on top of the filter media.

Photo shows the inside of the filter chamber during maintenance.  Removal of sediment and contaminated filter media in progress.  Filter media was removed down to the filter fabric.

Photo shows the inside of the filter chamber after new gravel was installed on top of the sand media. 

Photo shows the inside of the outlet chamber after maintenance.  All accumulated material was removed.

Photo shows the inside of the filter chamber after new sand media was installed.

Photo shows the inside of the outlet chamber prior to maintenance.  A minor amount of sediment and debris was present.

Photo shows the inside of the filter chamber new filter fabric was installed.

Maintenance Complete!