--- title: "WAT0042-04 - 1 Basin Caisson - Cofferdam, Masonry Repairs, Installation" ocid: "ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645.json" source: "Contracts Finder" current_stage: "Tender" buyer: "MINISTRY OF DEFENCE" published: "2024-06-25" --- # WAT0042-04 - 1 Basin Caisson - Cofferdam, Masonry Repairs, Installation Buyer: MINISTRY OF DEFENCE Current stage: Tender OCID: ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-3002c4f1-0c30-4f8b-9bed-0692c7e53645.json) ## Summary The Ministry of Defence has issued a tender titled "WAT0042-04 - 1 Basin Caisson - Cofferdam, Masonry Repairs, Installation" for marine construction works at HM Naval Base Portsmouth. This tender is at the selective procurement stage with a tender period ending on June 28, 2024. The contract period is scheduled to start on January 31, 2025, and end on February 24, 2027. The total value of the contract is £3,000,000. The procurement method used is a restricted procedure (above threshold) with Ministry of Defence acting as the buying organisation. This tender opportunity presents a chance for businesses specializing in marine construction works to engage in a project aimed at modernizing infrastructure at Portsmouth Naval Base. Companies with expertise in marine installations and jetties would find this tender suitable for bidding. The project location in the South East region of the United Kingdom offers a strategic opportunity for businesses looking to expand in the marine construction industry. Interested parties are advised to express their interest through KBS' tendering portal as per the provided instructions. ## Notice The Tenderer should be aware that the works detailed in this package are constrained due to the nature of the location they are to be conducted in. Project location HM Naval Base Portsmouth The Contractor shall be expected to adhere by the HMNB site security requirements, all Contractors and Sub-Contractors shall be BPSS security vetted and will be required to hold the relevant site security passes. The Contractor shall be expected to hold the following levels of insurance PS10m Public Liability, PS10m Product Liability, PS5m Professional Indemnity. KBS Maritime - Introduction KBS Maritime is a joint venture between KBR and BAE Systems, bringing together two global players with a rich heritage of delivering excellence, innovation and reliability. The joint venture will combine the expertise of KBR as a global leader in infrastructure asset management and services with BAE Systems' experience and capability within Portsmouth Naval Base. KBS Maritime are delivering an ambitious, modern and enduring change to the Portsmouth Naval base infrastructure, securing investment in the local community and ensuring fit-for-purpose, world-leading fleet support for the Royal Navy and the UK in the decades ahead. Project Background Proposed to replace the existing caisson to 1 Basin. Proposed works to be undertaken as per the design and surveys approved with Historic England and Crown Estates. Install perimeter CPNI fencing to secure the site for the duration of the project. Installation of temporary cofferdams to the East and West that will not impact the historic fabric. Dewater and inspect and survey the 1 Basin stonework. Monitor historic seawalls and ground water levels during the works. Undertake stone wall repairs in accordance with Historic England detail specification and approval. Replace the penstock gate with electric operated replacement with civil works and electrical supply required to operate. Demolition and removal of the existing caisson constructure to 1 Basin. Repairs to the caisson groove and prepare for replacement caisson arrival (by others) removal all structural supports. Remove and survey the condition of the road bridge. Repair works to the sill and stone repairs to match the existing structure to the detailed specifications to Historic England specification. Install a temporary foot bridge during the project. Refurbishment and load testing of fairleads and bollards and leave in full working order for ongoing operations. Clean, survey and remedial repairs to historic brickwork culvert after dewatering. Remove the temporary cofferdams and refit road bridge after caisson has been replaced and all works to the bridge has been completed. Additional information: If you are interested in this opportunity, please express an interest through KBS' tendering portal to access the Selection Questionnaire and NDA; https://uk.eu-supply.com/ctm/supplier/publictenders?B=KBS Send form to: DefComrclSSM-Suppliers@mod.gov.uk ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/cb51fd19-4d8d-4016-a032-ee045030a2d5 | | Notice type | Tender Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Selective | | Procurement method details | Restricted procedure (above threshold) | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 25 Jun 2024 | | Submission deadline | 28 Jun 2024 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 31 Jan 2025 - 24 Feb 2027 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £3,000,000 | | 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 | MINISTRY OF DEFENCE | | Locality | PORTSMOUTH | | Post town | Portsmouth | | Postcode | PO1 3LS | | Country | England | | ITL 1 | TLJ South East (England) | | ITL 2 | TLJ3 Hampshire and Isle of Wight | | ITL 3 | TLJ31 Portsmouth | | Local authority | Portsmouth | | Electoral ward | Charles Dickens | | Westminster constituency | Portsmouth South | | Delivery location | TLJ South East (England) | ## CPV Codes ### Divisions - 45 - Construction work ### Codes - 45244000 - Marine construction works - 45244100 - Marine installations - 45244200 - Jetties ## Release History - 25 Jun 2024 at 10:56 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/cb51fd19-4d8d-4016-a032-ee045030a2d5 ## Documents - https://www.contractsfinder.service.gov.uk/Notice/cb51fd19-4d8d-4016-a032-ee045030a2d5 25th June 2024 - Opportunity notice on Contracts Finder - https://www.contractsfinder.service.gov.uk/notice/d49d5b0d-ff9c-4cd6-a35b-8b2bb644583a?origin=SearchResults&p=1 External ID of linked Contracts Finder notice: ## Notice URLs - http://eu-supply.com - https://uk.eu-supply.com/ctm/supplier/publictenders?B=KBS ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. 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