Section one: Contracting authority
one.1) Name and addresses
National Highways
Bridge House, Walnut Tree Close
Guilford
GU1 4LZ
procurementa303@nationalhighways.co.uk
Country
United Kingdom
Region code
UKJ - South East (England)
Internet address(es)
Main address
https://nationalhighways.co.uk/
one.4) Type of the contracting authority
National or federal Agency/Office
one.5) Main activity
General public services
Section two: Object
two.1) Scope of the procurement
two.1.1) Title
A303 Amesbury to Berwick Down (Stonehenge)
two.1.2) Main CPV code
- 45221241 - Road tunnel construction work
two.1.3) Type of contract
Works
two.1.4) Short description
The scheme is an integral part of National Highways commitment to deliver a high-performing, high-quality route along the A303/A358 corridor between the South West and South East. It will also help to conserve, reconnect and enhance the Stonehenge world heritage site (WHS), making it easier to reach and explore, as well as improving biodiversity and providing a positive legacy for nearby communities.
The scheme will be approximately 8 miles (13km) long and comprises the following key components:
* A northern bypass of Winterbourne Stoke with a viaduct over the River Till valley;
* A new junction between the A303 and A360 to the west of and outside the WHS, replacing the existing Longbarrow roundabout;
* a twin-bore tunnel approximately 2 miles (3.3km) long through the WHS; and
* a new junction between the A303 and A345 at the existing Countess roundabout.
two.1.6) Information about lots
This contract is divided into lots: No
two.1.7) Total value of the procurement (excluding VAT)
Value excluding VAT: £1,169,383,706.09
two.2) Description
two.2.2) Additional CPV code(s)
- 43123000 - Tunnelling machinery
- 45112500 - Earthmoving work
- 45221000 - Construction work for bridges and tunnels, shafts and subways
- 45221100 - Construction work for bridges
- 45221111 - Road bridge construction work
- 45221200 - Construction work for tunnels, shafts and subways
- 45221240 - Construction work for tunnels
- 45221247 - Tunnelling works
- 45233100 - Construction work for highways, roads
- 45233120 - Road construction works
- 45233124 - Trunk road construction work
- 45233139 - Highway maintenance work
- 45233141 - Road-maintenance works
- 50230000 - Repair, maintenance and associated services related to roads and other equipment
- 71311220 - Highways engineering services
- 71322000 - Engineering design services for the construction of civil engineering works
- 71322300 - Bridge-design services
- 71631480 - Road-inspection services
two.2.3) Place of performance
NUTS codes
- UKK15 - Wiltshire CC
Main site or place of performance
A303 Amesbury to Berwick Down
two.2.4) Description of the procurement
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 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.
The appointed Contractor will be required to fulfil the duties of Principle Designer and Principal Contractor under the Construction (Design and Management) Regulations 2015.
two.2.5) Award criteria
Quality criterion - Name: Quality Submission / Weighting: Pass/ Fail
Quality criterion - Name: Targeted Quality / Weighting: Scored
Cost criterion - Name: Price / Weighting: Price adjusted by monetised TQ
two.2.11) Information about options
Options: Yes
Description of options
Option for between 5 and 7 years for extended maintenance and commissioning to enable alignment with regional maintenance contracts.
two.2.13) Information about European Union Funds
The procurement is related to a project and/or programme financed by European Union funds: No
Section four. Procedure
four.1) Description
four.1.1) Type of procedure
Competitive dialogue
four.1.8) Information about the Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement: Yes
four.2) Administrative information
four.2.1) Previous publication concerning this procedure
Notice number: 2019/S 026-056979
Section five. Award of contract
Title
A303 Amesbury to Berwick Down (Stonehenge)
A contract/lot is awarded: Yes
five.2) Award of contract
five.2.1) Date of conclusion of the contract
8 September 2022
five.2.2) Information about tenders
Number of tenders received: 3
The contract has been awarded to a group of economic operators: Yes
five.2.3) Name and address of the contractor
FCC Construcción, S.A.
Barcelona
Country
Spain
NUTS code
- ES - Spain
The contractor is an SME
No
five.2.3) Name and address of the contractor
Webuild S.p.A.
Rozzano
Country
Italy
NUTS code
- IT - Italy
The contractor is an SME
No
five.2.3) Name and address of the contractor
BeMo Tunnelling UK Ltd
London
Country
United Kingdom
NUTS code
- UK - United Kingdom
The contractor is an SME
No
five.2.4) Information on value of contract/lot (excluding VAT)
Total value of the contract/lot: £1,169,383,706.09
Section six. Complementary information
six.3) Additional information
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.
six.4) Procedures for review
six.4.1) Review body
See details at VI.4.3
See details at VI.4.3
Country
United Kingdom
six.4.3) Review procedure
Precise information on deadline(s) for review procedures
National Highways incorporated a minimum 10 calendar day standstill at the point information on award of the contract is communicate to tenderers.
Appeals must be logged in accordance with the Public Contracts Regulations 2015 (SI 2015 No. 102) as amended.