A303 Amesbury to Berwick Down (Stonehenge)

A Contract Award Notice
by HIGHWAYS ENGLAND

Source: Contracts Finder
Type: Contract (Works)
Duration: 9.5 year
Value: £1B

Sector: CONSTRUCTION
Published: 06 Oct 2022
Delivery: 08 Sep 2022 to 31 Dec 2031
Deadline: 30 Jul 2021 16:00

Concepts

Location

Geochart for 1 buyers and 3 suppliers

1 buyer

Highways England Bristol

3 suppliers

Description

The planning application for the A303 Stonehenge is still pending redetermination by the Secretary of State for Transport, following the quashing of the decision to grant the Development Consent Order (DCO). This contract will only become live once the Secretary of State has concluded the planning process and only if this process results in a DCO being granted. The requirements of the scheme that will be the responsibility of the successful applicant are principally captured in the following areas: 1. Design and construction of the new works; The scheme's new works includes the design and construction of the civil, mechanical, electrical and plumbing (MEP), technology and environmental components, key features of the new works are summarised below: - Tunnel: A twin-bore tunnel, approximately 2 miles (3.3 kilometers) long beneath the Stonehenge World Heritage Site, including tunnel portals and approach structures, tunnel service buildings and plant rooms, tunnel control system and mechanical, electrical and plumbing systems - Tunnel boring machine - design, manufacture, testing, shipping and on-site assembly - Carriageway works - Bridge works to form a viaduct over the River Till, an under bridge for the B3083, a flyover at the A345 Countess Roundabout, and 4 green bridges (Parsonage Down accommodation bridge, Winterbourne Stoke accommodation bridge, A360 Longbarrow Junction & green bridge No. 4) - Carriageway and tunnel technology - Landscaping and habitat creation - Extension of Parsonage Down National Nature Reserve - Protected species mitigation measures - Ensure rights of way and private means of access - Mainline earthworks - Utilities works 2. Refurbishment, replacement and modification of existing assets; There are works required on existing assets under the current ownership of both National Highways and Wiltshire Council. Continued engagement and consultation will be required with both parties throughout the design and construction phases for these elements including: - Existing A303 de-trunking works - Demolition works and site clearance works - Modification works to existing structures 3. Maintenance and operation during construction Maintenance and operation of the existing A303 within the site boundary will be required for the duration of the construction works. The appointed Contractor will be required to liaise with National Highways, its maintenance contractors and Wiltshire Council to coordinate activities. 4. Post construction maintenance period There is an extended maintenance period (minimum of 5 years, maximum of 7 years) after construction to 'prove' the tunnel performs as intended. Maintenance is included as part of this period and the Contractor will be responsible for all elements of the infrastructure associated with the tunnel and its approaches. The appointed Contractor will be required to liaise with National Highways, its maintenance contractors and Wiltshire Council to coordinate activities and tunnel operations.

Award Detail

1	Bemo Tunnelling (London) Value: £1,169,383,706
2	FCC Construcción (Barcelona) Value: £1,169,383,706
3	Webuild Spa (None) Value: £1,169,383,706

CPV Codes

45221241 - Road tunnel construction work

Other Information

Reference

tender_198955/1110693
CF ecd2158d-20bb-45b3-8ba3-f91225af228a