Five litres of lubricating oil and two 8.5 litre batches of diesel were deposited on each of two hydraulically isolated experimental enhanced pervious pavement parking bays. The 50 mm aggregate subbases of the two bays were of either recycled concrete or crushed limestone. The bays were constructed in such a way that a near-surface gravity separator was created by the arranging of the outlet pipes such that a permanent pool of water was maintained in the system and water could only enter from below the level of any floating oil. Dissolved/dispersed hydrocarbons were measured at acceptable concentrations when monitoring was carried out over a period of approximately 5 months. The maximum concentration was 7.2 mg/l and of all the samples collected only 3% exceeded the 5 mg/l limit applied in the UK for a class 1 interceptor, and the majority of samples had hydrocarbon concentrations of less than 2 mg/l. Much more significant is the fact that no free product was discharged from either system up to the time the experiment was dismantled 2 years from the first oil application despite the fact that sufficient hydrocarbon had been added to each pavement to produce a film on a water surface of over 500 hectares.
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Research Article|
July 02 2014
Performance of an enhanced pervious pavement system loaded with large volumes of hydrocarbons Available to Purchase
Alan P. Newman;
1Faculty of Health and Life Sciences, Coventry University, Priory Street, Coventry CV1 5FB, UK
E-mail: [email protected]
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Tim Puehmeier;
Tim Puehmeier
2Faculty of Engineering and Computing, Coventry University, Priory Street, Coventry CV1 5FB, UK
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Andy Shuttleworth;
Andy Shuttleworth
3SEL Environmental Ltd, Stormer Hill Works, Tottington, Bury BL8 4AT, UK
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Christopher J. Pratt
Christopher J. Pratt
2Faculty of Engineering and Computing, Coventry University, Priory Street, Coventry CV1 5FB, UK
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Water Sci Technol (2014) 70 (5): 835–842.
Article history
Received:
March 10 2014
Accepted:
June 23 2014
Citation
Alan P. Newman, Tim Puehmeier, Andy Shuttleworth, Christopher J. Pratt; Performance of an enhanced pervious pavement system loaded with large volumes of hydrocarbons. Water Sci Technol 1 September 2014; 70 (5): 835–842. doi: https://doi.org/10.2166/wst.2014.301
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