Barker's Lane Household Waste, Recycling Centre

Barker's Lane Household Waste, Recycling Centre

Architect: Environmental Protection Group Limited
Client: Bedfordshire County Council
Contractor: Weldon Plant

Barker’s lane household waste recycling site is an excellent example of the benefits of using the Permavoid system on a brownfield site. The site is predominantly hard surfacing where cars and vans drive in and off load rubbish including soil and building debris into skips. The skip storage area is at a lower level than the unloading area to provide easy access and this results in a split level site. The skips are moved around by heavy plant and front end loaders are used to compact waste down into them. As a result, there is a high level of dirt and debris on the hard surfaces. It is difficult to incorporate SUDS in civic amenity sites because of the differences in level, the extent of hard cover and the high risk of clogging and damage to methods such as permeable or porous surfaces.

On the site at Barker’s Lane, these problems were compounded by the presence of a high ground water table and historical ground contamination. The implications of this were that infiltration was not possible because of the risk of mobilising contamination and leaching it into the groundwater. Deep attenuation tanks would require significant engineering works to prevent them floating out of the ground and damaging the concrete slab. The cost of excavation and disposal of contaminated soil would also be excessive.

As infiltration was not a viable option, the stormwater design was based on providing source interception and attenuation storage as a form of source control. This is supplemented by a swale system to provide an enhanced treatment phase and to provide additional storage capacity during extreme rainfall events.

While the site was relatively constrained and space was at a premium, a SUDS system was developed that provides at least three phases of treatment to all run-off areas. Due to the physical constraints of the site, the collection and treatment processes are provided as a combination of hard engineered and soft landscaped SUDS techniques

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Aggregate Industries - Charcon commercial landscaping

Aggregate Industries - Charcon commercial landscaping

Aggregate Industries - Landscaping is a commercial hard landscaping and sustainable drainage supplier. The company provides all the products necessary to furnish a hard landscaping scheme, from large public realm schemes to educational and health...
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