Environmental Science & Engineering - www.esemag.com - January 2003
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Canada’s first ecoStop installed in Fort Erie, Ontario

By Brian Clarke, P.Eng.
Con Cast Pipe

Ready-for-installation manhole components arrive on site ready for assembly.

Oil and gasoline spills into storm sewers and open drainage courses are unacceptable. To receive approvals for industrial and commercial developments, land developers and landowners have to be aware of the immediate and any future impacts that their projects may have on the natural environment. Litigation might follow a serious uncontained spill that could cost the company or person responsible a small fortune, as well as incarceration in most serious offences.

A growing awareness of the value of our natural environment, and stiff legislation that deals with polluters, have turned many proponents of developments to technology to help secure approvals and avoid litigation in the event of an accidental spill. Fueling stations are prime candidates for applications of new technology to contain petroleum spills, and the long-term collection of oil from leaking vehicles. Such a facility is the Fort Erie Truck and Travel Plaza, in Ontario.

The consulting engineering firm of AWS Engineers and Planners Corp., of Beamsville, recommended the use of ecoStop technology supplied by Royal Environmental Systems, Inc. after discussions with engineers at Con Cast Pipe. The project engineer, John Conlin, who was adamant about using spill control technology, favoured ecoStop. It has the ability to shut itself off automatically and stop any oil or gasoline from entering the storm sewer in the event of a catastrophic spill. No external energy supply is required, there are no electrical parts and retrofitting existing concrete separators or manholes is easy. It is not designed to remove sediment from runoff. AWS will monitor the performance of the product over the next year.

The below grade petroleum spill control system is used for any facility or site where the potential for a petroleum spill exists. It has a valve at the inlet that will automatically shut off whenever the volume of floatable materials (oil, gasoline, diesel fuel) exceeds the rated capacity of the retention tank. It is an ideal spill control for point sources such as gasoline stations and other fueling facilities, electrical transformers, generators, oil storage areas, and transportation fueling systems. In the event of fuel splashes or malfunctions during underground fuel storage refilling, the spilled material will enter the oil separator facility.

Abridged

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