---
title: "A483 Junction 4 Wrexham Bypass - Ground Investigation"
ocid: "ocds-kuma6s-117840"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-117840"
markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-117840.md"
json_url: "https://d3tenders.com/contract/ocds-kuma6s-117840.json"
source: "Sell2Wales"
current_stage: "Tender"
buyer: "CYNGOR GWYNEDD COUNCIL"
published: "2022-01-21"
---

# A483 Junction 4 Wrexham Bypass - Ground Investigation

Buyer: CYNGOR GWYNEDD COUNCIL  
Current stage: Tender  
OCID: ocds-kuma6s-117840

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## Summary

The Cyngor Gwynedd Council is currently conducting a public procurement process for the project titled "A483 Junction 4 Wrexham Bypass - Ground Investigation." This tender falls under the category of works and focuses on ground investigation services needed to assess site conditions for the proposed Junction 4 layout in Caernarfon, Wales. The tender period will close on 11 February 2022, with the award period concluding by the end of February 2022. Interested parties can access the relevant documents through links provided in the tender notice.

This tender presents significant opportunities for businesses specialising in ground investigation and engineering services, particularly those equipped to handle the assessment of geotechnical properties, groundwater regimes, and contaminants. Companies providing expertise in regional infrastructure projects and having relevant qualifications in geotechnical engineering would be well-suited to compete for this contract. Engaging in this procurement process could enhance business growth, considering the ongoing developments in local infrastructure and the need for comprehensive site assessments.

## Notice

The site has been determined as a potential site for the new Junction 4 layout and associated highways and infrastructure. No scheme specific ground investigation has previously been undertaken.The ground investigation (GI) is required to provide detail of the ground conditions including the groundwater regime, material properties, chemical nature of the underlying strata and any other ground hazard.It is considered to be a main phase of investigation in accordance with relevant Eurocodes. Further stages of ground investigation will be required as the scheme progresses and layouts are refined.The proposed GI l has been designed to achieve the following aims:*Establish the general ground conditions and strata sequence adjacent to the existing highway and beneath the proposed roads associated with the Junction 4 improvements;*Establish the geotechnical engineering properties of the Made Ground, superficial deposits and bedrock encountered on Site;*Establish nature and extents of opencast mining on Site including an investigation of the potential for shallow high wall, (beneath the main carriageway alignment) associated with former mining activities;*Obtain information of the groundwater regime for the Site;*Identify areas of potential contamination on Site; and,*Identify areas of potential instability including subsidence associated with previous land use.The scheme will be notifiable in accordance with CDM regulations, therefore an F10 notification will needto be in place prior commencing site operations.NOTE: To register your interest in this notice and obtain any additional information please visit the Sell2Wales Web Site at https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=117840. Due to file size limitations we have had to upload a version of the tender document with lower quality images (reference: 100402166 | 0144). If you would like higher a quality version please email Paul.Connolly@mottmac.com.(WA Ref:117840)

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Sell2Wales |
| Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=117840 |
| Notice type | S2W Notice - Website Invitation to Tender Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 21 Jan 2022 |
| Submission deadline | 11 Feb 2022 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Not specified |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | CYNGOR GWYNEDD COUNCIL |
| Locality | CAERNARFON |
| Post town | Llandudno |
| Postcode | LL55 1SH |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL3 North Wales |
| ITL 3 | TLL32 Gwynedd |
| Local authority | Gwynedd |
| Electoral ward | Canol Tref Caernarfon |
| Westminster constituency | Dwyfor Meirionnydd |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 45 - Construction work
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 45111250 - Ground investigation work
- 71351500 - Ground investigation services

## Release History

- 21 Jan 2022 at 10:32 - Tender - S2W Notice - Website Invitation to Tender Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=117840

## Documents

- https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=JAN385860&idx=3
  27th January 2022 - Excel version of the BoQ included in the tender documents.
- https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=JAN385860&idx=1
  21st January 2022 - Instructions to Tenderers
- https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=JAN385860&idx=2
  21st January 2022 - Tender Document

## Notice URLs

- https://www.gwynedd.llyw.cymru
- https://www.sell2wales.gov.wales
- https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=117840

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-kuma6s-117840. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-117840.json.
