£ 336 m
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A465 Heads of the Valleys Section 2
Costain on behalf of The Welsh Government
Gilwern to Brynmawr, South Wales
- National Green Apple Award for Wales
- Gold Award for Environmental Best Practice at the International Green World Environment Awards (2018)
- Environmental Impact Assessment
- Environmental coordination: design, heritage, landscape, ecology, site surveys
- Air quality
- Public and key stakeholder consultation
- Monitoring and licencing species management
- Town Planning
- Expert witnesses for public inquiry
To address these unique and sensitive environmental challenges, we delivered a comprehensive Environmental Impact Assessment, working in close consultation with Brecon Beacons National Park Authority, Natural Resources Wales and Cadw (Welsh Government advisors on heritage).
We also undertook an Assessment of Implications on European Sites (AIES) as required as part of the Conservation of Habitats and Species Regulations 2010. Leading this assessment, we reviewed the effects of the scheme, including the additional land taken, construction and operation of the dual carriageway on the qualifying features of the SAC.
In order to protect the Lesser Horseshoe Bats, the scheme incorporated provisions including:
As part of a Public Local Inquiry, we provided input and expert witnesses from five of our offices to advise on cultural heritage, air quality and climate impacts, noise, biodiversity, landscape and visual effects, land use, community and health impacts and habitats regulations.
At the Inquiry, the Inspector noted the proposals as acceptable and that there was an abundance of evidence to show that the scheme was compliant with local, regional and National Policy for Transport and the Economy. The strategies were noted as essential in order to minimise the adverse impact on the Brecon Beacons National Park that would otherwise occur.
Tender support: design and pricing
Outline design, Environmental Impact Assessment and draft orders
Public inquiry, inspector’s recommendations, secretary of state’s decision and confirmation of orders
Detailed design, construction and environmental monitoring
Monitoring the environmental aftercare period
£ 336 m
Major structures developed
1.2 million m³
Woodland planted in the Gorge to mitigate bat foraging areas lost to the scheme
Technical studies and assessment documentation to help you understand impact and secure environmental approvals.
Permitting services and advice to help you navigate environmental regulation and licensing requirements and develop sustainably.
Technical services and compliance advice for the effective management of air pollution risks from development projects and commercial operations.
Consulting services and design advice to help you manage acoustic, noise and vibration risks to people, communities and the environment.