Tag: SuDS

Adderley, Market Drayton

Posted on by Shaun
Adderley, Market Drayton

A Farm in Adderley proposed a 140m-long agricultural livestock building with a substantial roof area of approximately 4,200m². Civia was appointed to develop the surface water drainage strategy for planning and building control, with particular focus on managing runoff from the large roof catchment in a practical and sustainable way.

Rather than simply disposing of the surface water from the site, the strategy sought to capture and attenuate the runoff so it could be reused by the farm for livestock watering. Hydraulic modelling was undertaken to assess the likely storage requirements, identifying an estimated maximum retained volume of 570,000 litres. This approach allowed the drainage design to support both regulatory requirements and the farm’s operational water needs.

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Gravelly Hill, Birmingham

Posted on by Shaun
Gravelly Hill, Birmingham

Civia were contracted by the client to complete a detailed drainage design for an apartment building at Gravelly Hill in Birmingham. The former dental practice building was demolished to make way for a new apartment structure.

By applying sustainable drainage principles supported by hydraulic modelling and on-site percolation test results, we were able to manage all surface water on-site, with foul discharging via a central carrier drain to the adjacent sewers, resulting in a smart and straight-forward solution in an urbanised area.

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West Way, Stafford

Posted on by Shaun
West Way, Stafford

The West Way site in Stafford occupies a narrow strip of former garages land running alongside the Rising Brook, with a consistent 1:30 crossfall and an existing vehicular link passing through the site. These constraints shaped the layout from the outset, requiring careful treatment of levels, plot arrangement and road alignment to maintain compliant access while avoiding undue retaining features. Its location in a flood zone and its proximity to the brook also placed particular weight on understanding flood risk, ensuring that overland exceedance could be safely routed through and past the proposed homes.

Civia was engaged to develop the residential, drainage and adoptable highway design for the eight-plot scheme, supported by a full flood risk assessment. The drainage strategy was coordinated to balance with our proposed external levels, enabling the network to drain to a proposed attenuation basin while maintaining effective exceedance pathways. By resolving access, levels and flood considerations together, the project was shaped into a deliverable and resilient small-scale development within a tight and technically challenging site.

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Nursery Road, Birmingham

Posted on by Shaun
Nursery Road, Birmingham

The Nursery Road site in Birmingham involved the redevelopment of a commercial plot into a 24-apartment scheme with landscaped decking and below-ground parking. The existing site was around 95% impermeable, while the building footprint left no practical opportunity for conventional subterranean attenuation below the main structure. These constraints required a drainage strategy that could replicate greenfield runoff as closely as possible while fitting within a dense urban layout.

Civia was appointed as drainage engineer to assess the site and develop a sustainable drainage strategy. Using SuDS assessment, topographical information and hydraulic modelling, we designed a system incorporating green roofs, rainwater gardens, swale-aggregate attenuation and shallow permeable paving to delay and reduce discharge to the adjacent sewer network. By combining green infrastructure with carefully coordinated attenuation, the scheme achieved a sustainable drainage outcome within a highly constrained city-centre development.

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Inspired by this case study and want to learn how Civia can make your next project a success? Contact us today.