--- title: "Lower Thames Crossing (Kent Roads) - Ground Investigation Works" ocid: "ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061.json" source: "Contracts Finder" current_stage: "Tender" buyer: "SKANSKA CONSTRUCTION UK LIMITED" published: "2025-01-15" --- # Lower Thames Crossing (Kent Roads) - Ground Investigation Works Buyer: SKANSKA CONSTRUCTION UK LIMITED Current stage: Tender OCID: ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-d66f45bd-afb5-462c-8df6-3fc604c06061.json) ## Summary Skanska Construction UK Limited has issued a tender titled "Lower Thames Crossing (Kent Roads) - Ground Investigation Works" under the industry category of Ground Investigation Work. The project is located in the South East region of the United Kingdom, and the tender is currently at the Tender stage. This public infrastructure initiative aims to reduce congestion and pollution around the Dartford Crossing by constructing tunnels and roads linking the M25 to the A2. The ground investigation phase involves extensive geotechnical and environmental sampling, testing, and analysis. Key deadlines include a tender period ending on 31st January 2025, with the contract period extending from 7th April 2025 to 3rd August 2026. The procurement method is competitive quotation below the threshold. This project offers significant opportunities for SMEs with relevant expertise in ground investigation works, and could be a substantial growth driver for businesses specialising in geotechnical and environmental services. Ideal contractors will be those with a track record of high-quality data management and compliance with standards such as BS 5930:2015 and ISO 9001:2024. The opportunity involves close cooperation with reputable firms, ensuring adherence to stringent quality and safety standards. Companies meeting these criteria will benefit from involvement in a high-profile infrastructure project, enhancing their credentials and market position. ## Notice The Lower Thames Crossing (LTC) is a significant infrastructure project aimed at addressing congestion and pollution issues at the Dartford Crossing, the only road crossing of the River Thames east of London. The project involves the construction of twin bore tunnels and a dual carriageway linking the M25 at Junctions 28 and 30 to the A2, east of Gravesend. This opportunity focuses on the Kent Roads Phase 4 Ground Investigation. Scope of Works The project requires comprehensive ground investigation activities, including geotechnical and environmental sampling, testing, and analysis. These will involve a range of methodologies such as cable percussion drilling, rotary coring, dynamic sampling, trial pits, cone penetration testing, and pavement coring. The work will also include groundwater and gas monitoring over a specified duration post-fieldwork. Key Responsibilities * All activities will be supervised by Skanska and Mott MacDonald, with a nominated Site Agent responsible for the fieldwork's technical direction and quality. * A logging supervisor will ensure consistency in geotechnical and environmental sampling, testing, and reporting, adhering to relevant standards and project-specific requirements. * Personnel must have relevant qualifications and experience, including BDA or NVQ certifications for drilling and engineering professionals. Specifications and Standards * Work will be performed under BS EN 1997-2:2007, Eurocode 7, and other related standards, ensuring high-quality geotechnical data and testing. * The contractor must implement a quality management system aligned with ISO 9001:2024, ISO 14001:2024, and ISO 45001:2024. * Cores and samples will be logged and described following standards such as BS 5930:2015, BS EN ISO 14688, and BS EN ISO 14689. * Data management will follow BS 8574:2014 to ensure precise and secure handling of geotechnical information. Monitoring and Reporting * Groundwater and gas monitoring installations will be set up as per specifications. Readings will be taken during fieldwork and for up to 12 months post-fieldwork, with data delivered in AGS and Excel formats. * Monthly groundwater sampling will continue for six months after installations are completed. General Requirements * Day shifts for off-road works and night closures for on-road activities. * Skilled and experienced supervisory staff are required to ensure safe, efficient, and compliant operations. * All personnel and methods are subject to approval by the Investigation Supervisor. This ground investigation opportunity is critical to the successful delivery of the LTC project and seeks highly qualified and experienced contractors to meet the outlined requirements. ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/445273d7-2112-4519-b552-30fe94e56ad4 | | Notice type | Tender Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Limited | | Procurement method details | Competitive quotation (below threshold) | | Tender suitability | SME | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 15 Jan 2025 | | Submission deadline | 31 Jan 2025 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 6 Apr 2025 - 3 Aug 2026 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £1 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Not specified | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | SKANSKA CONSTRUCTION UK LIMITED | | Locality | WATFORD | | Post town | Watford | | Postcode | WD3 9SW | | Country | England | | ITL 1 | TLH East (England) | | ITL 2 | TLH2 Bedfordshire and Hertfordshire | | ITL 3 | TLH27 South West Hertfordshire | | Local authority | Three Rivers | | Electoral ward | Chorleywood South & Maple Cross | | Westminster constituency | South West Hertfordshire | | Delivery location | TLJ South East (England) | ## CPV Codes ### Divisions - 45 - Construction work - 71 - Architectural, construction, engineering and inspection services ### Codes - 45111250 - Ground investigation work - 71351500 - Ground investigation services ## Release History - 15 Jan 2025 at 12:30 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/445273d7-2112-4519-b552-30fe94e56ad4 ## Documents - https://www.contractsfinder.service.gov.uk/Notice/445273d7-2112-4519-b552-30fe94e56ad4 15th January 2025 - Opportunity notice on Contracts Finder - https://www.contractsfinder.service.gov.uk/Notice/Attachment/39f439b5-c95e-404d-a09b-a5e86bd97f20 Please complete the attached and issue accordingly to ltc-enquiries@skanska.co.uk ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. 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