on this page
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Markets
Water
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Location
Southsea, UK
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Client
Portsmouth City Council
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Collaborators
Coastal Partners
Graham Broome
Regional Director, Southampton, UK contact form
The Southsea Coastal Scheme is the UK’s largest local authority-led coastal defenses project costing around £175m and backed by the Environment Agency and the UK Government. It will stretch for 4.5km from Old Portsmouth to Eastney, helping to reduce the risk of flooding to more than 10,000 homes and 700 businesses.
The extensive program of works also incorporates new amenities, landscape and public realm features to improve the seafront for future generations, as well as protecting the community and preserving the area’s unique heritage.
AtkinsRéalis was appointed by Coastal Partners (who are acting on behalf of Portsmouth City Council) in 2020, to provide post-contract cost and commercial management. The construction works replace and upgrade the existing coastal defenses, and the design is made up of a mixture of masonry-clad seawalls, stepped revetments (sloping structures), raised promenades, embankments, rock structures and beach replenishment.
The program is phased across six sub-frontages. SF1, works to Long Curtain Moat, will complete construction in February 2023. SF4, works surrounding Southsea Castle, is in construction and will complete in 2024. The remaining four frontages are progressing through design.
AtkinsRéalis provided cost consultancy during design development, from concept through to construction, negotiating costs for each phase, and informing decisions that facilitated best value for money. Robust cost and commercial scrutiny of the stage 2 tender submissions led to agreement on fair and reasonable target price contracts. In addition, AtkinsRéalis assessed applications for payment ensuring that NEC contract procedures and conditions were applied, enabling accurate and fair assessments of the amount due.
The project brings multiple benefits beyond a standard flood defense scheme, protecting and enhancing the unique character of the Southsea seafront, which is greatly valued by both local people and visitors.
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The consensus estimate provided by Virtua Research is based on estimates, forecasts and predictions made by third party financial analysts, as described above. It is not prepared based on information provided by AtkinsRéalis and can only be seen as a consensus view on AtkinsRéalis' possible future results from an outside perspective. AtkinsRéalis has not provided input on these forecasts, except by referring to past publicly disclosed information. AtkinsRéalis does not accept any responsibility for the quality or accuracy of any individual or average of forecasts or estimates. This web page contains forward-looking statements based on current assumptions and forecasts made by third parties. Various known and unknown risks, uncertainties and other factors could lead to material differences between AtkinsRéalis' actual future results, financial situation, development or performance, and the estimates given here.
AtkinsRéalis’ diligent and professional approach to cost surety has been a key pillar in the ongoing success of the Southsea coastal Scheme. AtkinsRéalis was integrated into the delivery team to help build the cost plan, and the business case, and to provide a highly professional and integral service assisting Coastal Partners in managing this Major Infrastructure project
Chris Koster
Project Delivery Manager – Southsea Coastal Scheme
This is an important project for the protection of Portsmouth and the surrounding coastline. It is great to work with a fantastic team to deliver the best possible scheme within the available funding.
Chris Garside
Managing Quantity Surveyor, AtkinsRéalis
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