Sector Utilities
Services provided Planning advice
Design
Product / system manufacture
Project location North East England
Client J&J Stanley
Contractor G&B Civil Engineering Ltd
 
 

Challenge

J&J Stanley’s waste transfer station required utilisation of all water management processes to create a value-engineered SUDS scheme for their new handling yard.

Brief:
1. Minimise ground infrastructure to reduce installation time and costs.
2. Match attenuation capacity within the system to the operating conditions at the site.
3. High load bearing characteristics; easy to maintain.

Solution

The catchment at the site is a new concrete pavement 200m long and 20m wide with a permissible discharge to the local storm sewer of just 5 litres/sec. Through consultation with J&J Stanley, ACO’s team recognised that the operating conditions at the site – where a degree of standing water for a period of time was acceptable – would allow a higher degree of design flexibility and considerable scope to reduce costs.

The original point gully scheme has been replaced by a single 140m run of ACO Qmax 350 channel. The attenuation provided by the Qmax is matched with that of a 60 cubic metre ACO StormTank which is installed downstream. Encased in an impermeable geomembrane which is then wrapped in a protective outer fleece, the StormTank is stable and fully watertight.

Between the collection channel and the tank sits the largest capacity unit in ACO’s new range of Q-Ceptor bypass oil separators.

The ACO Q-Ceptor prevents any run-off contaminated with petrol, diesel or oil on the concrete pavement from entering the storm sewer network.

Discharge of cleaned surface water from the StormTank into the sewer is restricted to the maximum 5 litres/sec by an ACO Q-Brake Vortex flow controller.

Outcome

ACO Water Management’s ability to supply products that cover every process required for sustainable drainage – Collect, Clean, Hold, Release - has delivered a comprehensive, value–engineered SUDS solution. By working with a single team on the design of the entire system, the completed scheme – together with each individual stage within it - is not only optimised to the unique hydraulic conditions at the site but also considers where costs can be minimised across every aspect of project.

“By understanding how the site operates, we were able to value-engineer the surface water attenuation characteristics of the entire system,” says Stuart Lindsey at ACO Design Services. “As we have the capability to supply every component in the system, a complete surface-to-outlet design approach could be adopted. By doing this, both the contractor and client gain maximum benefit. The system is quicker and easier to install as it is shallower and requires less ground infrastructure; the structure and layout of the concrete pavement is simplified; and the ongoing operational and maintenance costs are greatly reduced.”


Challenge

J&J Stanley’s waste transfer station required utilisation of all water management processes to create a value-engineered SUDS scheme for their new handling yard.

Brief:
1. Minimise ground infrastructure to reduce installation time and costs.
2. Match attenuation capacity within the system to the operating conditions at the site.
3. High load bearing characteristics; easy to maintain.

Solution

The catchment at the site is a new concrete pavement 200m long and 20m wide with a permissible discharge to the local storm sewer of just 5 litres/sec. Through consultation with J&J Stanley, ACO’s team recognised that the operating conditions at the site – where a degree of standing water for a period of time was acceptable – would allow a higher degree of design flexibility and considerable scope to reduce costs.

The original point gully scheme has been replaced by a single 140m run of ACO Qmax 350 channel. The attenuation provided by the Qmax is matched with that of a 60 cubic metre ACO StormTank which is installed downstream. Encased in an impermeable geomembrane which is then wrapped in a protective outer fleece, the StormTank is stable and fully watertight.

Between the collection channel and the tank sits the largest capacity unit in ACO’s new range of Q-Ceptor bypass oil separators.

The ACO Q-Ceptor prevents any run-off contaminated with petrol, diesel or oil on the concrete pavement from entering the storm sewer network.

Discharge of cleaned surface water from the StormTank into the sewer is restricted to the maximum 5 litres/sec by an ACO Q-Brake Vortex flow controller.

Outcome

ACO Water Management’s ability to supply products that cover every process required for sustainable drainage – Collect, Clean, Hold, Release - has delivered a comprehensive, value–engineered SUDS solution. By working with a single team on the design of the entire system, the completed scheme – together with each individual stage within it - is not only optimised to the unique hydraulic conditions at the site but also considers where costs can be minimised across every aspect of project.

“By understanding how the site operates, we were able to value-engineer the surface water attenuation characteristics of the entire system,” says Stuart Lindsey at ACO Design Services. “As we have the capability to supply every component in the system, a complete surface-to-outlet design approach could be adopted. By doing this, both the contractor and client gain maximum benefit. The system is quicker and easier to install as it is shallower and requires less ground infrastructure; the structure and layout of the concrete pavement is simplified; and the ongoing operational and maintenance costs are greatly reduced.”


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Downloads
  • ACO Q-Ceptor oil separators
    ACO Q-Ceptor oil separators
    3.57MB
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  • ACO Q-Brake Vortex  & ACO Q-Plate
    ACO Q-Brake Vortex & ACO Q-Plate
    16pp 7.53MB
    Download
  • Case Study - J&J Stanley
    Case Study - J&J Stanley
    2pp 743.53KB
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