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Graig Ddu, Dinas, Tip Stabilisation

Rhondda Cynon Taf CBC

This public procurement record has 2 releases in its history.

ContractAmendment

17 Sep 2026 at 15:29

UK10 - Contract Change Notice
Award

11 Aug 2026 at 11:01

UK7 - Contract Details Notice
Summary of the contracting process

Rhondda Cynon Taf County Borough Council commissioned works to stabilise Graig Ddu Tip (RH077), a historic coal and quarry site at Dinas on the northern slopes of Mynydd Dinas above Graig Ddu Road. The project is intended to protect the council’s highway assets by replacing failed and distressed highway structures, drainage systems and carriageway. This is a construction and civil engineering requirement, including ground and tip stabilisation, highway reconstruction, structural works and drainage. The work is delivered in the Dinas area of Rhondda Cynon Taf, Wales. The procurement covers one completed lot and is relevant to contractors with experience in complex highway, earthworks, remediation and infrastructure projects in constrained or unstable sites.

The procurement is complete and was awarded through a below-threshold limited competition. Alun Griffiths Contractors Ltd was selected for the works, and the contract was signed on 16 January 2026. The contract runs from 19 January 2026 to 13 August 2027 and is valued at £3,646,611.54 excluding VAT, or £4,375,933.85 including VAT. It uses an NEC4 Engineering and Construction Contract Option C incorporating the X22 clause, with options included. A contract modification was proposed for additional works and a revised programme after stage-one investigation identified unforeseen requirements. The proposed modified value is £5,042,589.88 excluding VAT, or £5,336,429.32 including VAT, with the modification justified by unforeseen circumstances and additional works. The award evaluation details are not set out.

This award demonstrates demand from Rhondda Cynon Taf Council for substantial civil engineering work that combines highway asset protection with remediation of a historic tip site. A credible future competitor would need practical capability in ground stabilisation, earthworks, drainage renewal, carriageway reconstruction and replacement or repair of highway structures. Experience of investigating distressed infrastructure and adapting the construction programme when site conditions reveal additional work would be particularly relevant. The requirement also indicates the importance of managing technically complex works under an NEC4 Engineering and Construction Contract Option C, including the X22 clause. Suppliers with the plant, site management, engineering expertise, health and safety systems and delivery capacity to coordinate these activities on a constrained hillside site would be well placed when comparable work is next considered.

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Notice Information

Notice Title

Graig Ddu, Dinas, Tip Stabilisation

Notice Description

Graig Ddu Tip (RH077), Dinas, is a historical coal and quarry site within Rhondda Cynon Taff County Borough Council (RCTCBC). The site is located on the northern slopes of Mynydd Dinas above Graig Ddu Road. The purpose of the proposed works is to protect RCTCBC's highway assets and replacing the failed and distressed highway structures, drainage systems and carriageway.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06e107
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/088323-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK10 - Contract Change Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Limited
Procurement Method Details
Below threshold - limited competition
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45000000 - Construction work

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
£3,646,611 £1M-£10M

Notice Dates

Publication Date
17 Sep 20261 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
19 Jan 2026 - 13 Aug 2027 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Rhondda Cynon Taf CBC
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
PONTYPRIDD
Postcode
CF37 4TH
Postcode Area
Cardiff
Country
Wales
Major Region (ITL 1)
TLL Wales
Basic Region (ITL 2)
TLL5 South East Wales
Small Region (ITL 3)
TLL51 Central Valleys and Bridgend
Delivery Location
Not specified
Local Authority
Rhondda Cynon Taf
Electoral Ward
Pontypridd Town
Westminster Constituency
Pontypridd

Supplier Information

Number of Suppliers
1
Supplier Name

Alun Griffiths (Contractors) Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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