Methodology
Ventilation and odor control used:
A curtain was installed to keep upstream sewer gases out of work area as well as ventilation included forced air. Standard Permit required confined space protocol was used.
Rehab method used:
Danby PLIIIE 1” Spiral wound method was used for rehabilitating this combination sewer.
Cleaning method used (if required) and who cleaned the line:
The contractor, Veolia, hydro-blasted the host pipe and removed any sewer debris.
Method of flow bypass or diversion, if used:
This pipe connected to a Diversion Junction Chamber served as a combo that included an overflow, the flow levels were monitored to ensure that there was no overflow entering this pipe, normal was dry unless wet weather events.
