Construction Contract Leads

Section I: Contracting authority

I.1) Name and addresses

Devon County Council

County Hall, Topsham Road

Exeter

EX2 4QD

Contact

Miss Chloe Staddon

Email

chloe.staddon [at] devon.gov.uk

Telephone

+44 1392383000

Country

United Kingdom

NUTS code

UKK43 - Devon CC

Internet address(es)

Main address

http://www.devon.gov.uk

Buyer's address

http://www.devon.gov.uk

I.3) Communication

The procurement documents are available for unrestricted and full direct access, free of charge, at

www.supplyingthesouthwest.org.uk

Additional information can be obtained from the above-mentioned address

Tenders or requests to participate must be submitted electronically via

www.supplyingthesouthwest.org.uk

I.4) Type of the contracting authority

Regional or local authority

I.5) Main activity

General public services

Section II: Object

II.1) Scope of the procurement

II.1.1) Title

CP2422-23 A379 Widening and Chudleigh Road

Reference number

DN690355

II.1.2) Main CPV code

• 45000000 - Construction work

II.1.3) Type of contract

Works

II.1.4) Short description

Construction of essential highway infrastructure on a strategic transport corridor enabling residential development to the Southwest of Exeter. The main works elements include construction of:

A new road link (Chudleigh Link Road) between the existing Chudleigh Road and the A379.

A new signalised junction with the A379 and Chudleigh Link Road with associated widening of the A379 to provide two ahead lanes and a left turn lane northbound, plus two ahead lanes and a right turn lane southbound.

The improvement of the A379 Ellacott Road traffic signal junction incorporating widening of the A379 to provide two ahead lanes and a right turn lane northbound and 2 lanes in the southbound direction.

A new priority junction at the Chudleigh Link Road junction with the existing Chudleigh Road

The closure of the existing Chudleigh Road priority junction with the A379.

Improvement of the shared footway cycleway link along the A379 between Ellacott Road Junction and the A30 Overbridge.

The scope of work will incorporate: site clearance; ground improvement using deep soil mixing, bulk earthworks to construct new embankments and embankment widening, new road restraint systems, new surface water drainage infrastructure, new carriageway construction plus widening and resurfacing; the creation of new shared-use pathways, footways and traffic Islands; traffic signs and roadmarking works; civil works and ducting for street lighting and traffic signals, utilities diversionary works, landscaping and traffic management to facilitate the works.

II.1.5) Estimated total value

Value excluding VAT: £12,500,000

II.1.6) Information about lots

This contract is divided into lots: No

II.2) Description

II.2.3) Place of performance

NUTS codes

• UKK43 - Devon CC

II.2.4) Description of the procurement

Construction of essential highway infrastructure on a strategic transport corridor enabling residential development to the Southwest of Exeter. The main works elements include construction of:

A new road link (Chudleigh Link Road) between the existing Chudleigh Road and the A379.

A new signalised junction with the A379 and Chudleigh Link Road with associated widening of the A379 to provide two ahead lanes and a left turn lane northbound, plus two ahead lanes and a right turn lane southbound.

The improvement of the A379 Ellacott Road traffic signal junction incorporating widening of the A379 to provide two ahead lanes and a right turn lane northbound and 2 lanes in the southbound direction.

A new priority junction at the Chudleigh Link Road junction with the existing Chudleigh Road.

The closure of the existing Chudleigh Road priority junction with the A379.

Improvement of the shared footway cycleway link along the A379 between Ellacott Road Junction and the A30 Overbridge.

Further detail of the scope of works associated with the main work elements is provided below:

Construction of a new road link (Chudleigh Link Road) between the existing Chudleigh Road and the A379. The works include but are not limited to the following:

Ground improvement using mass soil mixing to an estimated volume of 14,500m3 – contractor designed to meet minimum performance requirements within the specification.

Foundation preparation through excavation of existing surface layers to provide a 500mm thick class 6C starter layer, benched to maintain a typical 2% fall.

Excavation and replacement of an area of historical landfill material adjacent the proposed junction with Chudleigh Road and the new link road.

Bulk earthworks for roadway embankment construction incorporating 48,000m3 of class 1A and 2C General fill.

Construction of a new surface water drainage system for the roadway including 3 separate pipe and gully systems, an attenuation system within the proposed roadway using 2 no. by 500mm diameter pipes, 3 no. outfalls to swales and cut off drains to the southern side of the proposed road embankment.

Construction of a piped drainage system within the roadway to accommodate the future housing development catchment areas. This system includes provision of 600mm diameter pipes, and a number of deep manholes.

New road construction approx. 400m long between junctions, the typical cross section of which includes a minimum 6.5m wide carriageway with kerbs to both sides.

Construction of a 2.0m wide footway on one side of the new road and a 3.0m wide shared path to the other separated from the carriageway with a 2.0m wide verge strip to both sides.

Construction of a new signalised junction with the A379 and Chudleigh Link Road. The works include but are not limited to:

Resurfacing of the existing A379 throughout the scheme extents.

Widening of the A379 northern embankment to accommodate the junction. The earthworks for the widening is to include benching of the existing embankment and the provision of Class 1A general fill to form the new 1 in 2 embankment slopes.

Construction of traffic Islands, ducting and associated civil works to facilitate the installation of traffic signals to the junction.

Construction of a maintenance bay for the new traffic signals.

The improvement of the existing A379 Ellacott Road traffic signal junction. The works include:

Widening of the A379 to the southern side including the reshaping of the bellmouth to Ellacott Road to facilitate the provision of two ahead lanes and a right turn lane northbound and 2 lanes in the southbound direction.

Reprofiling the cut slopes to the southern side of the A379 to achieve the widening.

Removal of the existing crib wall adjacent the school and reprofiling of the cut slope to the school boundary

Full depth pavement construction within the areas of widening.

Resurfacing of the A379 through the full extent of the widening works and the Ellacott road junction bellmouth.

Removal of existing and the construction of new traffic Islands, ducting and associated civil works to facilitate the installation of signals to the widened junction layout.

Construction of a new / realigned Shared footway cycleway through the extents of the widening.

The excavation and removal of the existing layby road pavement on the northern side of the A379. Remove bound pavement layers to an estimated depth of 300mm and replace with topsoil.

Removal of the existing footway between the existing Chudleigh Road junction and the Layby on the northern side of the A379.

Installation of a vehicle restraint system along the northern side of the A379 to provide protection from the risk of an errant vehicle impacting the pedestrian bridge pier.

Construction of a new priority junction at the Chudleigh Link Road junction with the existing Chudleigh Road. The works include:

Resurfacing the existing Chudleigh Road to the extents of the new junction bellmouth.

Construction of new footways and an uncontrolled crossing point to tie-in to the existing footway along Chudleigh Road.

The removal of the existing wooden blocked out beam vehicle restraint system to the eastern side of Chudleigh Road starting immediately north of the proposed junction and terminating opposite the Stanbury Row junction / access to Barratt Homes Victoria Heights Development.

The closure of the existing Chudleigh Road Junction with the A379 The Works include:

The excavation and removal of the existing road pavement within the Chudleigh Road junction bellmouth. Remove bound pavement layers to an estimated depth of 300mm and replace with topsoil.

The provision of new kerb lines to form the A379 and Chudleigh Road carriageway edges.

Installation of replacement departure length of Vehicle Restraint System from the A30 overbridge parapet on an improved parallel alignment with the A379.

Resurfacing and structural maintenance of the A379 pavement adjacent the junction.

The scope of works also include the following:

Provision of new traffic signs and road markings throughout the scheme extents.

Provision of civil work to accommodate a new system of street lighting.

Coordination of utilities diversionary works required by BT, Virgin Media, Vodafone, National Grid and SWW to accommodate the widening of the A379 and the new junction on Chudleigh Road.

The provision of civil works to accommodate the installation of new electrical supplies to the proposed lighting columns, signals and illuminated traffic signs by UKPS.

Construction of a new surface water drainage system to the A379 to accommodate the widened pavement area, the drainage system will include a new pipe and gulley system, attenuation within the proposed roadway using 2 no. by 900mm diameter pipes, and a new outfall to a toe of embankment ditch to the north of the A379 running between the Chudleigh Link Road and Trood Lane.

Topsoiling and landscaping to verge areas and embankments incorporating, native scrub planting to reinstate habitat for protected species. Amenity grass seeding to verge areas, species rich grass seeding to embankment areas, bulb planting areas and new tree planting.

II.2.5) Award criteria

Quality criterion - Name: Quality / Weighting: 40

Price - Weighting: 60

II.2.6) Estimated value

Value excluding VAT: £12,500,000

II.2.7) Duration of the contract, framework agreement or dynamic purchasing system

Start date

8 May 2024

End date

9 July 2025

This contract is subject to renewal

No

II.2.10) Information about variants

Variants will be accepted: No

II.2.11) Information about options

Options: No

II.2.13) Information about European Union Funds

The procurement is related to a project and/or programme financed by European Union funds: No

Section IV. Procedure

IV.1) Description

IV.1.1) Type of procedure

Open procedure

IV.1.8) Information about the Government Procurement Agreement (GPA)

The procurement is covered by the Government Procurement Agreement: Yes

IV.2) Administrative information

IV.2.2) Time limit for receipt of tenders or requests to participate

Date

15 February 2024

Local time

12:00pm

IV.2.4) Languages in which tenders or requests to participate may be submitted

English

IV.2.7) Conditions for opening of tenders

Date

15 February 2024

Local time

12:00pm

Section VI. Complementary information

VI.1) Information about recurrence

This is a recurrent procurement: No

VI.3) Additional information

The authority reserves the right to cancel the procurement process at any stage. The authority does not bind itself to accept the lowest or any tender, and reserve the right not to award a contract. The authority reserves the right to award the contract in part, or to call for new tenders should they consider this necessary. Economic operators remain responsible for all costs and expenses incurred by them or by any third party acting under instructions from them in connection with their participation in this procurement, whether incurred directly by them or their advisors or subcontractors and regardless of whether such costs arise as a consequence direct or indirect of any amendments to documents issued by the authority at any time, or as a consequence of the cancellation of the procurement by the authority. For the avoidance of doubt, the authority shall have no liability whatsoever to economic operators or their advisors or subcontractors, for any of their costs, including but not limited to those for any discussions or communications. Any contract(s) or agreement(s) entered into as a result of this contract notice shall be considered as a contract(s) or agreement(s) made under English law and subject to the exclusive jurisdiction of the English courts. If an economic operator considers that any information supplied by it during this procurement process is commercially sensitive or confidential in nature, this should be highlighted and the reasons for its sensitivity as well as the duration of that sensitivity specified. Economic operators should be aware that even where they have indicated that information is commercially sensitive, the authority may disclose it pursuant to the Freedom of Information Act 2000 in response to a request for information where such disclosure is considered to be in the public interest. Please note that the receipt by any of the authority of any materials marked ‘confidential’ or equivalent shall not be taken to mean that the authority accepts any duty of confidence by virtue of that marking.

VI.4) Procedures for review

VI.4.1) Review body

The High Court of Justice

The Royal Court of Justice, The Strand

London

WC2A 2LL

Country

United Kingdom

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