Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone

{
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  "date": "2025-03-27T15:40:46Z",
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  "awards": [
    {
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      "title": "Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone",
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      "statusDetails": "discontinued"
    }
  ],
  "tender": {
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        "description": "The City of London, as the owner and manager of the estate, is currently undertaking a largescale refurbishment of the podium deck. Phase 1 of this refurbishment was completed in 2015, this project will focus on Phase 2; a 18,344sqm area along the northern portion of the estate. Several more phases are expected to be required in order to repair other parts of the podium. An initial feasibility study was undertaken that demonstrated several reasons for this including:\n• the drainage system;\n• damage to the waterproofing;\n• shallow crossfalls;\n• detailing of the expansion joints.\nThe podium deck needs be taken up to replace and repair the damaged waterproofing membrane. Works were completed on phase 1 in 2015. This project builds on the lessons learned from phase 1 for the area identified as phase 2. Surface refurbishment, replacement of waterproofing membrane, remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.",
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    ],
    "title": "Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone",
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    "description": "The City of London Corporation (the City) has invited tenders for the provision of surface refurbishment, replacement of waterproofing membrane and remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.  \nA contract will not be awarded.",
    "classification": {
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    "procurementMethodDetails": "Open procedure"
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  "initiationType": "tender"
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{
  "id": "028966-2024",
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  "date": "2024-09-10T14:14:36+01:00",
  "ocid": "ocds-h6vhtk-047aae",
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  "tender": {
    "id": "prj_COL_21571",
    "title": "Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone",
    "amendments": [
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              "text": "The City of London Corporation (the City) invites Tenders for the provision of surface refurbishment, replacement of waterproofing membrane and remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.\nThe works are divided into five delivery zones. The employer reserves the right to omit up to two zones if so required. A further zone may be added to the project at the Clients discretion with works of a similar nature and a potential additional contract value up to and in the region of £10,000,000.\nThe Barbican Estate is grade 2 listed with a multitude of uses including an arts centre, 2014 dwellings, exhibition halls, cinemas, restaurants theatres, gallery space and a large conservatory. Designed and constructed in the 1960s and 1970s by architects Chamberlin, Powell and Bon the Barbican Estate represents a prominent example of brutalist architecture.\nThe publicly accessible podium provides a pedestrian only elevated walkway connecting the residential towers, terraces and the Barbican Centre. The existing podium is predominantly made up of brick tiles with areas of defined planting set within the podium. The existing podium deck and waterproofing membrane has become damaged and is leaking into the buildings below including the Exhibition Halls."
            },
            "oldValue": {
              "text": "The City of London Corporation (the City) invites Tenders for the provision of surface refurbishment, replacement of waterproofing membrane and remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.\nA further zone may be added to the project at the Clients discretion with works of a similar nature and a potential additional contract value up to and in the region of £10,000,000.\nThe Barbican Estate is grade 2 listed with a multitude of uses including an arts centre, 2014 dwellings, exhibition halls, cinemas, restaurants theatres, gallery space and a large conservatory. Designed and constructed in the 1960s and 1970s by architects Chamberlin, Powell and Bon the Barbican Estate represents a prominent example of brutalist architecture.\nThe publicly accessible podium provides a pedestrian only elevated walkway connecting the residential towers, terraces and the Barbican Centre. The existing podium is predominantly made up of brick tiles with areas of defined planting set within the podium. The existing podium deck and waterproofing membrane has become damaged and is leaking into the buildings below including the Exhibition Halls."
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    "description": "The City of London Corporation (the City) invites Tenders for the provision of surface refurbishment, replacement of waterproofing membrane and remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.\nA further zone may be added to the project at the Clients discretion with works of a similar nature and a potential additional contract value up to and in the region of £10,000,000.\nThe Barbican Estate is grade 2 listed with a multitude of uses including an arts centre, 2014 dwellings, exhibition halls, cinemas, restaurants theatres, gallery space and a large conservatory. Designed and constructed in the 1960s and 1970s by architects Chamberlin, Powell and Bon the Barbican Estate represents a prominent example of brutalist architecture.\nThe publicly accessible podium provides a pedestrian only elevated walkway connecting the residential towers, terraces and the Barbican Centre. The existing podium is predominantly made up of brick tiles with areas of defined planting set within the podium. The existing podium deck and waterproofing membrane has become damaged and is leaking into the buildings below including the Exhibition Halls.",
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        "postalCode": "EC2P 2EJ",
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{
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  "date": "2024-09-02T18:20:04+01:00",
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        "hasRenewal": false,
        "description": "The City of London, as the owner and manager of the estate, is currently undertaking a largescale refurbishment of the podium deck. Phase 1 of this refurbishment was completed in 2015, this project will focus on Phase 2; a 18,344sqm area along the northern portion of the estate. Several more phases are expected to be required in order to repair other parts of the podium. An initial feasibility study was undertaken that demonstrated several reasons for this including:\n•\tthe drainage system;\n•\tdamage to the waterproofing;\n•\tshallow crossfalls;\n•\tdetailing of the expansion joints.\nThe podium deck needs be taken up to replace and repair the damaged waterproofing membrane. Works were completed on phase 1 in 2015. This project builds on the lessons learned from phase 1 for the area identified as phase 2. Surface refurbishment, replacement of waterproofing membrane, remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.",
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    "title": "Barbican Podium Waterproofing, Drainage and Landscaping Works Phase 2 – 1st Priority Zone",
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    "awardPeriod": {
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    "description": "The City of London Corporation (the City) invites Tenders for the provision of surface refurbishment, replacement of waterproofing membrane and remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone. \nA further zone may be added to the project at the Clients discretion with works of a similar nature and a potential additional contract value up to and in the region of £10,000,000.\nThe Barbican Estate is grade 2 listed with a multitude of uses including an arts centre, 2014 dwellings, exhibition halls, cinemas, restaurants theatres, gallery space and a large conservatory. Designed and constructed in the 1960s and 1970s by architects Chamberlin, Powell and Bon the Barbican Estate represents a prominent example of brutalist architecture. \nThe publicly accessible podium provides a pedestrian only elevated walkway connecting the residential towers, terraces and the Barbican Centre. The existing podium is predominantly made up of brick tiles with areas of defined planting set within the podium. The existing podium deck and waterproofing membrane has become damaged and is leaking into the buildings below including the Exhibition Halls.",
    "tenderPeriod": {
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      "name": "City of London Corporation",
      "roles": [
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        "locality": "London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "Guildhall"
      },
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      "identifier": {
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        "postalCode": "WC1A 2LL",
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        "postalCode": "SW1A 2AS",
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  "language": "en",
  "description": "This tendering exercise is being undertaken using the electronic tendering system ‘capitalEsourcing’ (www.capitalesourcing.com). Suppliers will need to register an interest on the system in order to participate and registration is free.\nThe estimated value given at II.2.6) is for the full duration of the contract including the maximum possible extensions. The estimated contract value for the 1st priority zone is 18500000GBP, therefore the estimated annual contract value is 9250000GBP.",
  "initiationType": "tender"
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{
  "id": "020455-2024",
  "tag": [
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  "date": "2024-07-04T14:22:26+01:00",
  "ocid": "ocds-h6vhtk-047aae",
  "buyer": {
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    "name": "City of London Corporation"
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  "tender": {
    "id": "prj_COL_21571",
    "lots": [
      {
        "id": "1",
        "status": "planned",
        "description": "Surface refurbishment, replacement of waterproofing membrane, remedial works to\ndrainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority\nZone. Additional information: The tender will be an open procedure with a likely go live date of September 2024. The tender period will be circa three months with a close return date of end of November 2024. Award of tender is anticipated to be June 2025 with a start on site by September 2025. The anticipated construction duration is circa 24 months with an approximate range of construction value £18million-£20 million."
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    ],
    "title": "Barbican Podium Waterproofing, Drainage and Landscaping Works (Ben Jonson, Breton & Cromwell Highwalk) Phase 2",
    "value": {
      "amount": 18500000,
      "currency": "GBP"
    },
    "status": "planned",
    "coveredBy": [
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    ],
    "legalBasis": {
      "id": "32014L0024",
      "scheme": "CELEX"
    },
    "description": "The Barbican Estate is grade 2 listed with a multitude of uses including an arts centre, 2014 dwellings, exhibition halls, cinemas, restaurants theatres, gallery space and a large conservatory. Designed and constructed in the 1960s and 1970s by architects Chamberlin, Powell and Bon the Barbican Estate represents a prominent example of brutalist architecture. The publicly accessible podium provides a pedestrian only elevated walkway connecting the residential towers, terraces and the Barbican Centre. The existing podium is predominantly made up of brick tiles with areas of defined planting set within the podium. \nThe existing podium deck and waterproofing membrane has become damaged and is leaking into the buildings below including the Exhibition Halls. \nThe City of London, as the owner and manager of the estate, is currently undertaking a large-scale refurbishment of the podium deck. Phase 1 of this refurbishment was completed in 2015, this project will focus on Phase 2; a 18,344sqm area along the northern portion of the estate. Several more phases are expected to be required in order to repair other parts of the podium. An initial feasibility study was undertaken that demonstrated several reasons for this including: \n• the drainage system; \n• damage to the waterproofing;\n• shallow crossfalls; \n• detailing of the expansion joints. \nThe podium deck needs be taken up to replace and repair the damaged waterproofing membrane. Works were completed on phase 1 in 2015. This project builds on the lessons learned from phase 1 for the area identified as phase 2. \nSurface refurbishment, replacement of waterproofing membrane, remedial works to drainage infrastructure, and landscaping works to Barbican Podium Phase 2, 1st Priority Zone.",
    "communication": {
      "futureNoticeDate": "2024-09-02T00:00:00+01:00"
    },
    "classification": {
      "id": "45200000",
      "scheme": "CPV",
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  },
  "parties": [
    {
      "id": "GB-FTS-135",
      "name": "City of London Corporation",
      "roles": [
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      "address": {
        "region": "UKI",
        "locality": "London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "Guildhall"
      },
      "details": {
        "url": "http://www.cityoflondon.gov.uk",
        "classifications": [
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            "id": "REGIONAL_AUTHORITY",
            "scheme": "TED_CA_TYPE",
            "description": "Regional or local authority"
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          {
            "id": "01",
            "scheme": "COFOG",
            "description": "General public services"
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      },
      "identifier": {
        "legalName": "City of London Corporation"
      },
      "contactPoint": {
        "name": "Lewis Dance",
        "email": "lewis.dance@cityoflondon.gov.uk",
        "telephone": "+44 2076063030"
      }
    }
  ],
  "language": "en",
  "description": "This project is needed, as the existing waterproofing membrane at the podium has deteriorated and can no longer fully protect the concrete structure or spaces below the podium from water ingress. Leaks are already occurring due to this issue and will further escalate until addressed. The water ingress has also caused damage to parts of the podium surface. The completed project will ensure that internal areas in and around the podium are protected from future water ingress. This project will result in improved water management. This means water can be discharged efficiently through the internal drainage system. \nWith the requirement to remove all the of hard standing build up, planting and street furniture to replace the damaged waterproofing membrane there is a unique opportunity to review the design layout and function of the podium. The City of London’s Climate Action Strategy and the Biodiversity Action Plan required a more sustainable approach to the podium. Increased greening, enhanced biodiversity and provision of water attenuation all became integral factors to the project brief. The Barbican podium is the largest public open space located within the City of London. The development of the brief also required an improvement in access, amenity value and safety. This evolution to the brief will provide a more holistic design approach for the podium and future proof it’s use for future generations.\nContractors will be expected to demonstrate previous experience in this type of work and value including installation of the Triflex waterproofing membrane system.\nInterested contractors should contact the person named at I.1 for further information.",
  "initiationType": "tender"
}