Morclean

Car Park Bypass Separators

Class 1 and Class 2 Discharge

Introduction | Car Park Bypass Separators | Forecourt Separators | Interceptor Tanks | Oil Treatment for Interceptors


Vehicle Wash Guidelines and Pollution Prevention Guidelines

For Larger Hard Standing Areas and Roads

Car parks, hard standing areas and roads, although at relatively low risk from oil and petrol spillages do suffer from hydrocarbon contamination.

Car Park Water Run Off

Pipework and Access Shafts

Diagram demonstrating how a by-pass separator operates

Extract from the Pollution Prevention Guidelines: PPG3

Bypass separators

Bypass separators fully treat all flows, for the area served, generated by rainfall rates of up to 6.5 mm/hour. This covers most rainfall events. Flows above this rate are allowed to bypass the separator. These separators are used when it is considered an acceptable risk not to provide full treatment for high flows, e.g. where only small spillages can occur and the risk of spillage is small such as on short stay car parks.

In cases where a large spillage might occur, it is not acceptable to use a by-pass separator. The only exception to this is a major trunk road where the size and type of spillage is impossible to foresee and the surface area drained makes it impractical to provide a full retention separator. For major trunk roads a SUDS approach incorporating a number of SUDS techniques is likely to be more appropriate.

On sites where high levels of silt are likely to enter the separator, the build up of silt must not be allowed to compromise the operation of either the separator or the by-pass device. On such sites (e.g. major trunk roads and quarries) an adequately sized silt separation chamber should be installed upstream of the separator and appropriate management systems put in place to monitor the situation and remove the silt when necessary. The use of SUDS techniques can minimise the amount of silt in the surface water run-off.

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United Kingdom MORCLEAN
Speedwell Industrial Estate
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Registration No is 94/121120

Morclean is an ISO 9001 registered firm and our quality administration systems have been assured and approved to the standards and guidelines of BS EN ISO 9000:2000 for the sales, service and hire of industrial cleaning equipment. Our registration no. is 94/121120 and our standards and guidelines are externally audited by CIS.
The Net Effect

Please note that many models described on this website are bespoke, and as such cannot always be accurately depicted. All photographs and illustrations displayed on this website are representative of model ranges or a model series only. Individual models and specifications may vary from those shown. Please contact us if you require clarification or individual specifications of any equipment. Morclean reserve the right to update and amend the specification of our equipment and accessories without notice and in the interest of the customer. Images or specifications must not be reproduced with express written consent from Morclean Ltd. Any prices quoted are subject to VAT @ SR. E&OE