--- title: "Basement DPM Tanking Refurbishment & CAT-B Fit Out" ocid: "ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b.json" source: "Contracts Finder" current_stage: "Tender" buyer: "BGIS GLOBAL INTEGRATED SOLUTIONS LTD" published: "2025-10-21" --- # Basement DPM Tanking Refurbishment & CAT-B Fit Out Buyer: BGIS GLOBAL INTEGRATED SOLUTIONS LTD Current stage: Tender OCID: ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b.json) ## Summary The procurement process for the "Basement DPM Tanking Refurbishment & CAT-B Fit Out" is currently in the tender stage, initiated by BGIS Global Integrated Solutions Ltd. The project involves comprehensive refurbishment and waterproofing works within a high-security, heritage-listed building in London, UK. Classified under the industry category of "Demolition, site preparation and clearance work" (CPV 45111000), the procurement is being conducted through an open procedure below the threshold. The tender period is scheduled to end on 7th November 2025, with the contract period planned from 29th December 2025 to 20th March 2026. Interested businesses are encouraged to explore opportunities to participate, particularly those specialising in construction, mechanical, and electrical services. This tender provides an excellent growth opportunity for businesses in the construction and refurbishment sectors, especially small and medium enterprises (SMEs), as indicated by the tender's suitability criteria. The project scope involves demolition, site clearance, cavity drain installations, and various mechanical and electrical works, making it ideal for contractors with expertise in these areas. Businesses familiar with heritage-listed building maintenance and waterproofing will find this tender particularly relevant. The engagement with BGIS Global Integrated Solutions Ltd offers potential for building long-term relationships with a reputable facility management organisation, which can be beneficial for future opportunities. ## Notice The works comprise the refurbishment and waterproofing of the existing sub-basement areas, including associated builders' works, drainage, mechanical, and electrical installations. The purpose of the project is to provide a fully tanked, dry, and serviceable environment suitable for long-term operational use within a high-security, heritage-listed building. The scope includes (but is not limited to): Careful strip-out and preparation of existing finishes to expose the underlying structure. Installation of a proprietary cavity drain and damp proof membrane system to walls and floors, complete with fixings, plugs, drainage channels, and connection to existing sump pits. Cleaning and re-commissioning of sump pits, including the supply and installation of new submersible sump pumps, float sensors, discharge pipework, and a new control panel interfaced with the Building Management System (BMS). Application of cementitious or resin-based tanking to identified areas, in accordance with manufacturer's data sheets and relevant British Standards (e.g. BS 8102:2022 - Protection of Below Ground Structures Against Water Ingress). Formation of new internal partitions, raised access flooring, ceilings, joinery, and decorations as required to reinstate the area following waterproofing works. Adjustment, modification, or reinstatement of existing building services affected by the works, including power, lighting, fire detection, and PAVA systems. Coordination with the Landlord's Facilities Management team and other ongoing building operations to ensure secure access, minimal disruption, and full compliance with Canada House site protocols. ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/ce22b4f1-a9b9-44c4-bf60-f66d3d167702 | | Notice type | Tender Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Open | | Procurement method details | Open procedure (below threshold) | | Tender suitability | SME | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 21 Oct 2025 | | Submission deadline | 7 Nov 2025 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 29 Dec 2025 - 20 Mar 2026 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £130,000 | | 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 | BGIS GLOBAL INTEGRATED SOLUTIONS LTD | | Locality | LONDON | | Post town | South West London | | Postcode | SW1H 0BL | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI3 Inner London - West | | ITL 3 | TLI35 Westminster and City of London | | Local authority | Westminster | | Electoral ward | St James's | | Westminster constituency | Cities of London and Westminster | | Delivery location | TLI London | ## CPV Codes ### Divisions - 45 - Construction work ### Codes - 45111000 - Demolition, site preparation and clearance work - 45111100 - Demolition work ## Release History - 21 Oct 2025 at 16:45 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/ce22b4f1-a9b9-44c4-bf60-f66d3d167702 ## Documents - https://www.contractsfinder.service.gov.uk/Notice/ce22b4f1-a9b9-44c4-bf60-f66d3d167702 21st October 2025 - Opportunity notice on Contracts Finder - https://www.mytenders.co.uk/search/show/search_view.aspx?ID=OCT170425 NOTE: To register your interest in this notice and obtain any additional information please visit the myTenders Web Site at the link provided. ## 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-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-42e1c8ae-0b34-4f68-9bd8-ddf01241d13b.json.