Underground Detention Pipe - Inspection and Maintenance Photos

Photo shows the inside of the underground detention pipe during maintenance.  The accumulated material was clay-like in nature and had to be broken up with shovels in order to be vacuumed out..

Photo shows the inside of an underground detention pipe during an inspection.  The pipe was over half full of accumulated sediment and debris.  Clearly maintenance was needed.  

Photo shows the inside of the underground detention pipe after maintenance.  All accumulated material was removed.  Maintenance is complete!