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Case Study | A1 Contract, Leeming & Barton | SPEL Stormceptor

National Highways invested £400 million in a 12-mile stretch of the A1 between Leeming and Barton – upgrading from a dual-carriageway to a new 3 lane motorway. This section of road is used by between 59,000 and 69,000 vehicles everyday and a 20% reduction in journey times and safety improvements is estimated to lead to around £4 in economic benefit for every £1 that National Highways invest. The main contractor was Morgan Sindall with AECOM as the lead designer, alongside support from SWECO.

SPEL provided a total of 9 oil separators for this project, including 7no. Stormceptor bypass oil separators, ranging from a treatment flow rate of 40 l/s to a treatment flow rate of 300 l/s, ranging from our 300 Series range (1.8m dia.) all the way up to our 600 Series range (4m dia.). 2no. SPEL Puraceptor full retention separators were also supplied, both from our 400 Series range (2.6m dia.), one with 100 l/s treatment flow rate and the other with 200 l/s treatment flow rate. All products were supplied with solar-powered alarms (due to the remote location of the separators) and were supplied with a full suite of monitoring probes that will monitor the oil, silt, and high water level of the separator. These treatment devices provide very high-quality water treatment of both the oil and silt within the water, protecting the downstream environment from the toxic cocktail of pollutants that come from road run-off. Where silt removal is a primary concern, it is suggested that a SPEL Stormceptor ESR or Puraceptor ESR is used due to their WRc tested silt removal performance.

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