Inlet Stormceptor For Stormwater Treatment (Oil/Water Separation)
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The Inlet Stormceptor takes the place of a traditional inlet structure in a storm sewer system. The Inlet Stormceptor is ideal for filtration and for small drainage areas, such as truck loading bays, electrical transformer stations, and vehicle refueling stations (oil/water separation).
The Inlet Stormceptor is a 48-inch diameter precast concrete structure with a patented fiberglass insert. The insert extends into the treatment chamber, providing dual wall containment of hydrocarbons.
Normal Operating Conditions
Under normal operating conditions (more than 90% of all storm events), storm water flows into the upper chamber and is diverted by a sloped weir into the lower chamber. Flow is diverted by horizontal outlets around the walls of the lower chamber, settling out coarse and fine sediments to the floor of the chamber. Petroleum products rise and become trapped beneath the fiberglass insert.
By-Pass Operating Conditions
During infrequent, high flow events (less than 10% of all storm events), storm water flows pass over the diverting weir into the downstream sewer system, preventing scouring of previously trapped pollutants. The high flow by-pass prevents previously collected pollutants from scour and re-suspension.
The Inlet Stormceptor is an excellent Best Management Practice, because it saves the designer the cost of providing a traditional inlet structure upstream of a conventional treatment device in small drainage areas. The Inlet Stormceptor is in use across North American and Australia as a sediment and spill containment device, and has been successfully used as an NPDES Phase I tool.
Maintenance Procedure
You can inspect and maintain the Inlet Stormceptor from the surface, without entry into the unit. Perform maintenance once the stored volume reaches 15% of the Stormceptor capacity, or immediately in the event of a spill.
Maintenance intervals vary depending on the application. Therefore, we recommend quarterly inspections during the first year of installation, so you can accurately determine the maintenance schedule.
The inlet drop pipe has a tapered insert connected to a handle. Once you remove the handle, remove oil and sediment from the 12-inch diameter inlet drop pipe.
The requirements for the disposal from Stormceptor are similar to that of any other Best Management Practice (BMP). Consult local guidelines or your Rinker Stormceptor Area Marketing Manager prior to disposing the separator contents.