Guildhall Mechanical CWP Design - 3 lots

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    "title": "Guildhall Mechanical CWP Design - 3 lots",
    "status": "complete",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
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    "description": "Please note the assessment summaries were initially sent out on 28/11/2025, however, due to an administrative error, they are being re-issued to bidders on 28/01/26 to ensure alignment with the publication of this UK6 Contract Award Notice. Therefore, the standstill period will commence 28/01/26.\nTender for mechanical design consultants across 3 packages across the Guildhall, split by building: North Wing & 65 Basinghall/GJR; East Wing; West Wing. This will result in design and project management of the cyclical works projects across the Guildhall.\nThis tendering exercise is being undertaken using the electronic tendering system ‘City of London Corporation Sourcing & Contracts Portal’ (https://cityoflondon.ukp.app.jaggaer.com/). Suppliers will need to register an interest on the system in order to participate and registration is free.\nThe estimated contract value given at sections 31 and 32 is for the full duration of the contract including the maximum possible extensions. The estimated annual contract value is therefore Lot 1 - £200,000.00, Lot 2 - £200,000.00 and Lot 3 - £400,000.00).\nThe Consultant for each lot is to provide professional services as defined in the respective applicable part of Section 3 Lot 1, 2 or 3 of this brief.\nThe lots will be split according the following principles:\na.\tLot 1 - North Wing & 65 Basinghall Street:  \ni.\tGenerally the North Wing mechanical services are relatively modern, with plant maintained and upgraded since 2007 inter alia main AHUs upgraded in 2020, along with heating and BEMS upgrades between 2020 and 2024. \nii.\tPerimeter heating systems still require some control refinement.  FCUs across the North Wing are due for replacement.  \niii.\tSome design work has taken place to reduce cold spots.\niv.\tHeating pipework has had some remedial work taking place due to leaks developing on galvanised steel pipework and fittings.\nv.\tKitchen ventilation systems are due to be upgraded, which could realise energy savings and potentially rationalise the hydraulic arrangement with regards to air flows and interlocks.\nvi.\tDomestic Hot Water Systems are to be replaced following capacity assessment along with shower valves in the Lower Ground Floor.\nvii.\tThe steam humidification system serving the main office was decommissioned some years ago.  A design to reinstate a humidification system to the vent is to be provided, ideally retaining the existing AHU chassis, as these are not due for replacement.\nviii.\tOverall, the plant replacement strategy has been to upgrade BEMS and now due to follow with emitters and make improvements along the way.\nix.\tChillers and pumps have been replaced as part of a major works project, which is currently on-site.\nx.\t65 Basinghall Street is also known as Guildhall Justice Rooms or GJR.\nxi.\tThe old main CER room is located here and fed from the same chiller as the office area.\nxii.\tThe chiller is to be decommissioned, a replacement service is to be designed and provided.  The CER\nxiii.\tThe FCUs serving GJR are noted as being difficult to service and have 3P valves which create a by-pass which adversely affects return temperatures back to Citigen.\nb.\tLot 2 – Guildhall Yard East (GYE)\ni.\tThere is currently a BEMS replacement project in pre-start phase with Sykes & Son on D&B contract.\nii.\tThe Private part of the building is demised to the City Of London Police.  There is a major refurbishment planned for this part of the building, which is currently in the design phase.\niii.\tMechanical emitters are due for replacement across the Public side of the building.\niv.\tPumps serving both Public and Private areas have recently been replaced.\nv.\tAHUs serving the Public areas were upgraded in 2021 along with the BEMS that controls them.\nvi.\tThe general replacement/upgrade strategy for systems excluding the AHUs, is to replace and upgrade the emitters following on from the BEMS works.\nc.\tLot 3 – West Wing\ni.\tMechanical systems are beyond end of working life and controlling the environment is extremely and increasingly challenging for FM to manage.\nii.\tSystems need to be replaced and upgraded to achieve another 5 years of useful life, as a minimum.\niii.\tThe BEMS is entirely on the legacy Continuum system and needs replacing.\niv.\tThe chillers are life expired and currently due for replacement by connecting via PHX to North Wing under a separate project.\nv.\tThe proposed strategy for mechanical replacement and upgrades, is to undertake rationalisation of systems to allow mechanical plant, emitters and controls to be replaced system-by-system.  Works should look to improve, rationalise and upgrade performance and control where possible.\nvi.\tThe West Wing is Grade II listed and classed as a High-Risk Building.\nThe Consultant M&E Engineer shall fulfil the Lead Function including BRPD and PM.  They have the duty and responsibility of co-ordinating and integrating the work of the other Consultants employed on the project to maintain the Programme on all items of works.  The other respective appointed Consultants will be responsible for the duties as defined in draft scope of service documents created by the Lead Consultant on an emergent basis.  All consultants should be mindful of the interdependencies between disciplines and ensuring a smooth interface between co-dependent third parties.  The COL Supervising Officer or Senior Principal Mechanical Engineer will take overall responsibility for design management and decision making across services.",
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    "procurementMethodDetails": "Open procedure"
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        "streetAddress": "40 Loman St"
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        "contractPeriod": {
          "endDate": "2028-10-31T23:59:59+00:00",
          "startDate": "2025-11-03T00:00:00+00:00",
          "maxExtentDate": "2029-10-12T23:59:59+01:00"
        },
        "selectionCriteria": {
          "criteria": [
            {
              "type": "technical",
              "description": "The tender comprises of three lots, which consists of bidders completing the following :\n1. Qualification Envelope  - (if you are bidding for more than one lot you are only required to complete this once). \n2. Technical Quality Questions - complete specific questions for each lot.\n3. Responsible Procurement Questions - complete these two questions.\n4. Pricing Schedule - complete the pricing schedule relevant to each lot you are bidding for."
            }
          ]
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKI",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "71333000",
            "scheme": "CPV",
            "description": "Mechanical engineering services"
          }
        ]
      },
      {
        "id": "2",
        "relatedLot": "2",
        "deliveryAddresses": [
          {
            "region": "UKI",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "71333000",
            "scheme": "CPV",
            "description": "Mechanical engineering services"
          }
        ]
      },
      {
        "id": "3",
        "relatedLot": "3",
        "deliveryAddresses": [
          {
            "region": "UKI",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "71333000",
            "scheme": "CPV",
            "description": "Mechanical engineering services"
          }
        ]
      }
    ],
    "title": "Guildhall Mechanical CWP Design [3 lots]",
    "value": {
      "amount": 800000,
      "currency": "GBP",
      "amountGross": 960000
    },
    "status": "active",
    "documents": [
      {
        "id": "conflictOfInterest",
        "description": "Not published",
        "documentType": "conflictOfInterest"
      },
      {
        "id": "048545-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/048545-2025",
        "format": "text/html",
        "noticeType": "UK4",
        "description": "Tender notice on Find a Tender",
        "documentType": "tenderNotice",
        "datePublished": "2025-08-13T16:51:37+01:00"
      }
    ],
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "lotDetails": {
      "awardCriteriaDetails": "Tender for mechanical design consultants across 3 packages across the Guildhall, split by building: Lot 1 - North Wing;  Lot 2 – Guildhall – Yard East; Lot 3 – Guildhall - West Wing. This will result in design and project management of the cyclical works projects across the Guildhall.\nBidders are encouraged to bid for all three lots.  Bidders should be aware, that due to the volume of work in a relatively short space of time, that the intention is to award no more than two lots to any single bidder.  Should a single bidder score highest against two lots, they will need to provide a resourcing plan to show how they plan to adequately provide services against two lots.\nIf the ‘Sourcing Plan’ is not accepted, the bidder in question will not be awarded that lot and will be awarded to the 2nd highest ranked bidder.",
      "maximumLotsAwardedPerSupplier": 2
    },
    "awardPeriod": {
      "endDate": "2025-10-27T23:59:59+00:00"
    },
    "description": "Tender for mechanical design consultants across 3 packages across the Guildhall, split by building: North Wing & 65 Basinghall/GJR; East Wing; West Wing. This will result in design and project management of the cyclical works projects across the Guildhall.\nThis tendering exercise is being undertaken using the electronic tendering system ‘City of London Corporation Sourcing & Contracts Portal’ (https://cityoflondon.ukp.app.jaggaer.com/). Suppliers will need to register an interest on the system in order to participate and registration is free.\nThe estimated contract value given at sections 31 and 32 is for the full duration of the contract including the maximum possible extensions. The estimated annual contract value is therefore Lot 1 - £200,000.00, Lot 2 - £200,000.00 and Lot 3 - £400,000.00).\nThe Consultant for each lot is to provide professional services as defined in the respective applicable part of Section 3 Lot 1, 2 or 3 of this brief.\nThe lots will be split according the following principles:\na.\tLot 1 - North Wing & 65 Basinghall Street:  \ni.\tGenerally the North Wing mechanical services are relatively modern, with plant maintained and upgraded since 2007 inter alia main AHUs upgraded in 2020, along with heating and BEMS upgrades between 2020 and 2024. \nii.\tPerimeter heating systems still require some control refinement.  FCUs across the North Wing are due for replacement.  \niii.\tSome design work has taken place to reduce cold spots.\niv.\tHeating pipework has had some remedial work taking place due to leaks developing on galvanised steel pipework and fittings.\nv.\tKitchen ventilation systems are due to be upgraded, which could realise energy savings and potentially rationalise the hydraulic arrangement with regards to air flows and interlocks.\nvi.\tDomestic Hot Water Systems are to be replaced following capacity assessment along with shower valves in the Lower Ground Floor.\nvii.\tThe steam humidification system serving the main office was decommissioned some years ago.  A design to reinstate a humidification system to the vent is to be provided, ideally retaining the existing AHU chassis, as these are not due for replacement.\nviii.\tOverall, the plant replacement strategy has been to upgrade BEMS and now due to follow with emitters and make improvements along the way.\nix.\tChillers and pumps have been replaced as part of a major works project, which is currently on-site.\nx.\t65 Basinghall Street is also known as Guildhall Justice Rooms or GJR.\nxi.\tThe old main CER room is located here and fed from the same chiller as the office area.\nxii.\tThe chiller is to be decommissioned, a replacement service is to be designed and provided.  The CER\nxiii.\tThe FCUs serving GJR are noted as being difficult to service and have 3P valves which create a by-pass which adversely affects return temperatures back to Citigen.\nb.\tLot 2 – Guildhall Yard East (GYE)\ni.\tThere is currently a BEMS replacement project in pre-start phase with Sykes & Son on D&B contract.\nii.\tThe Private part of the building is demised to the City Of London Police.  There is a major refurbishment planned for this part of the building, which is currently in the design phase.\niii.\tMechanical emitters are due for replacement across the Public side of the building.\niv.\tPumps serving both Public and Private areas have recently been replaced.\nv.\tAHUs serving the Public areas were upgraded in 2021 along with the BEMS that controls them.\nvi.\tThe general replacement/upgrade strategy for systems excluding the AHUs, is to replace and upgrade the emitters following on from the BEMS works.\nc.\tLot 3 – West Wing\ni.\tMechanical systems are beyond end of working life and controlling the environment is extremely and increasingly challenging for FM to manage.\nii.\tSystems need to be replaced and upgraded to achieve another 5 years of useful life, as a minimum.\niii.\tThe BEMS is entirely on the legacy Continuum system and needs replacing.\niv.\tThe chillers are life expired and currently due for replacement by connecting via PHX to North Wing under a separate project.\nv.\tThe proposed strategy for mechanical replacement and upgrades, is to undertake rationalisation of systems to allow mechanical plant, emitters and controls to be replaced system-by-system.  Works should look to improve, rationalise and upgrade performance and control where possible.\nvi.\tThe West Wing is Grade II listed and classed as a High-Risk Building.\nThe Consultant M&E Engineer shall fulfil the Lead Function including BRPD and PM.  They have the duty and responsibility of co-ordinating and integrating the work of the other Consultants employed on the project to maintain the Programme on all items of works.  The other respective appointed Consultants will be responsible for the duties as defined in draft scope of service documents created by the Lead Consultant on an emergent basis.  All consultants should be mindful of the interdependencies between disciplines and ensuring a smooth interface between co-dependent third parties.  The COL Supervising Officer or Senior Principal Mechanical Engineer will take overall responsibility for design management and decision making across services.",
    "tenderPeriod": {
      "endDate": "2025-09-18T14:00:00+01:00"
    },
    "contractTerms": {
      "financialTerms": "As stated in the Terms & Conditions"
    },
    "aboveThreshold": true,
    "submissionTerms": {
      "languages": [
        "en"
      ],
      "electronicSubmissionPolicy": "allowed"
    },
    "procurementMethod": "open",
    "mainProcurementCategory": "services",
    "submissionMethodDetails": "Tenders must be submitted via the CoL Procurement Portyal (Jaggaer) link below:\nhttps://cityoflondon.ukp.app.jaggaer.com/esop/ogc-host/public/cityoflondon/web/login.jst?_ncp=1734337552440.476367-1",
    "procurementMethodDetails": "Open procedure"
  },
  "parties": [
    {
      "id": "GB-PPON-PYQD-1693-MYXR",
      "name": "The Mayor and Commonalty and Citizens of the City of London",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKI43",
        "country": "GB",
        "locality": "City of London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "PO Box 270"
      },
      "details": {
        "url": "https://www.cityoflondon.gov.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PYQD-1693-MYXR",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Hirdial Rai",
        "email": "hirdial.rai@cityoflondon.gov.uk",
        "telephone": "020 7606 3030"
      }
    }
  ],
  "language": "en",
  "initiationType": "tender"
}

{
  "id": "018131-2025",
  "tag": [
    "planningUpdate"
  ],
  "date": "2025-04-30T16:02:06+01:00",
  "ocid": "ocds-h6vhtk-050a8e",
  "buyer": {
    "id": "GB-PPON-PYQD-1693-MYXR",
    "name": "The Mayor and Commonalty and Citizens of the City of London"
  },
  "tender": {
    "id": "ocds-h6vhtk-050a8e",
    "lots": [
      {
        "id": "1",
        "status": "planning",
        "suitability": {
          "sme": true,
          "vcse": true
        },
        "contractPeriod": {
          "endDate": "2028-08-03T23:59:59+01:00",
          "startDate": "2025-08-04T00:00:00+01:00"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKI",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "71314300",
            "scheme": "CPV",
            "description": "Energy-efficiency consultancy services"
          },
          {
            "id": "71315200",
            "scheme": "CPV",
            "description": "Building consultancy services"
          }
        ]
      }
    ],
    "title": "Guildhall Mechanical CWP Design [3 lots]",
    "value": {
      "amount": 800000,
      "currency": "GBP",
      "amountGross": 960000
    },
    "status": "planning",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "techniques": {
      "hasDynamicPurchasingSystem": true
    },
    "description": "Tender for mechanical design consultants across 3 packages across the Guildhall, split by building: North Wing & 65 Basinghall/GJR; East Wing; West Wing. This will result in design and project management of the cyclical works projects across the Guildhall.\nThe Consultant for each lot is to provide professional services as defined in the respective applicable part of Section 3 Lot 1, 2 or 3 of this brief.\nThe lots will be split according the following principles:\na.\tLot 1 - North Wing & 65 Basinghall Street:  \ni.\tGenerally the North Wing mechanical services are relatively modern, with plant maintained and upgraded since 2007 inter alia main AHUs upgraded in 2020, along with heating and BEMS upgrades between 2020 and 2024. \nii.\tPerimeter heating systems still require some control refinement.  FCUs across the North Wing are due for replacement.  \niii.\tSome design work has taken place to reduce cold spots.\niv.\tHeating pipework has had some remedial work taking place due to leaks developing on galvanised steel pipework and fittings.\nv.\tKitchen ventilation systems are due to be upgraded, which could realise energy savings and potentially rationalise the hydraulic arrangement with regards to air flows and interlocks.\nvi.\tDomestic Hot Water Systems are to be replaced following capacity assessment along with shower valves in the Lower Ground Floor.\nvii.\tThe steam humidification system serving the main office was decommissioned some years ago.  A design to reinstate a humidification system to the vent is to be provided, ideally retaining the existing AHU chassis, as these are not due for replacement.\nviii.\tOverall, the plant replacement strategy has been to upgrade BEMS and now due to follow with emitters and make improvements along the way.\nix.\tChillers and pumps have been replaced as part of a major works project, which is currently on-site.\nx.\t65 Basinghall Street is also known as Guildhall Justice Rooms or GJR.\nxi.\tThe old main CER room is located here and fed from the same chiller as the office area.\nxii.\tThe chiller is to be decommissioned, a replacement service is to be designed and provided.  The CER\nxiii.\tThe FCUs serving GJR are noted as being difficult to service and have 3P valves which create a by-pass which adversely affects return temperatures back to Citigen.\nb.\tLot 2 – Guildhall Yard East (GYE)\ni.\tThere is currently a BEMS replacement project in pre-start phase with Sykes & Son on D&B contract.\nii.\tThe Private part of the building is demised to the City Of London Police.  There is a major refurbishment planned for this part of the building, which is currently in the design phase.\niii.\tMechanical emitters are due for replacement across the Public side of the building.\niv.\tPumps serving both Public and Private areas have recently been replaced.\nv.\tAHUs serving the Public areas were upgraded in 2021 along with the BEMS that controls them.\nvi.\tThe general replacement/upgrade strategy for systems excluding the AHUs, is to replace and upgrade the emitters following on from the BEMS works.\nc.\tLot 3 – West Wing\ni.\tMechanical systems are beyond end of working life and controlling the environment is extremely and increasingly challenging for FM to manage.\nii.\tSystems need to be replaced and upgraded to achieve another 5 years of useful life, as a minimum.\niii.\tThe BEMS is entirely on the legacy Continuum system and needs replacing.\niv.\tThe chillers are life expired and currently due for replacement by connecting via PHX to North Wing under a separate project.\nv.\tThe proposed strategy for mechanical replacement and upgrades, is to undertake rationalisation of systems to allow mechanical plant, emitters and controls to be replaced system-by-system.  Works should look to improve, rationalise and upgrade performance and control where possible.\nvi.\tThe West Wing is Grade II listed and classed as a High-Risk Building.\nThe Consultant M&E Engineer shall fulfil the Lead Function including BRPD and PM.  They have the duty and responsibility of co-ordinating and integrating the work of the other Consultants employed on the project to maintain the Programme on all items of works.  The other respective appointed Consultants will be responsible for the duties as defined in draft scope of service documents created by the Lead Consultant on an emergent basis.  All consultants should be mindful of the interdependencies between disciplines and ensuring a smooth interface between co-dependent third parties.  The COL Supervising Officer or Senior Principal Mechanical Engineer will take overall responsibility for design management and decision making across services.",
    "communication": {
      "futureNoticeDate": "2025-06-02T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "services"
  },
  "parties": [
    {
      "id": "GB-PPON-PYQD-1693-MYXR",
      "name": "The Mayor and Commonalty and Citizens of the City of London",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKI43",
        "country": "GB",
        "locality": "City of London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "PO Box 270"
      },
      "details": {
        "url": "https://www.cityoflondon.gov.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PYQD-1693-MYXR",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "CityProc.Operations@cityoflondon.gov.uk",
        "telephone": "020 7606 3030"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "018131-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/018131-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-04-30T16:02:06+01:00"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-05-26T23:59:59+01:00",
        "description": "This project will be for three lots, suppliers can apply for all three but will be limited to be appointed for only two lots.\nThe tender process will be under the Procurement Act 2023 - Competitive Flexible procedure using the two stage tender process.\nIf you are interested in particpating in the tender proces please request the Preliminer Market Engagement questionnire via email to me:\nE: hirdial.rai@cityoflondon.gov.uk"
      }
    ]
  },
  "initiationType": "tender"
}

{
  "id": "018123-2025",
  "tag": [
    "planning"
  ],
  "date": "2025-04-30T15:57:51+01:00",
  "ocid": "ocds-h6vhtk-050a8e",
  "buyer": {
    "id": "GB-PPON-PYQD-1693-MYXR",
    "name": "The Mayor and Commonalty and Citizens of the City of London"
  },
  "tender": {
    "id": "ocds-h6vhtk-050a8e",
    "lots": [
      {
        "id": "1",
        "status": "planning",
        "suitability": {
          "sme": true,
          "vcse": true
        },
        "contractPeriod": {
          "endDate": "2028-08-03T23:59:59+01:00",
          "startDate": "2025-08-04T00:00:00+01:00"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKI",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "71314300",
            "scheme": "CPV",
            "description": "Energy-efficiency consultancy services"
          },
          {
            "id": "71315200",
            "scheme": "CPV",
            "description": "Building consultancy services"
          }
        ]
      }
    ],
    "title": "Guildhall Mechanical CWP Design [3 lots]",
    "value": {
      "amount": 800000,
      "currency": "GBP",
      "amountGross": 960000
    },
    "status": "planning",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "techniques": {
      "hasDynamicPurchasingSystem": true
    },
    "description": "Tender for mechanical design consultants across 3 packages across the Guildhall, split by building: North Wing & 65 Basinghall/GJR; East Wing; West Wing. This will result in design and project management of the cyclical works projects across the Guildhall.\nThe Consultant for each lot is to provide professional services as defined in the respective applicable part of Section 3 Lot 1, 2 or 3 of this brief.\nThe lots will be split according the following principles:\na.\tLot 1 - North Wing & 65 Basinghall Street:  \ni.\tGenerally the North Wing mechanical services are relatively modern, with plant maintained and upgraded since 2007 inter alia main AHUs upgraded in 2020, along with heating and BEMS upgrades between 2020 and 2024. \nii.\tPerimeter heating systems still require some control refinement.  FCUs across the North Wing are due for replacement.  \niii.\tSome design work has taken place to reduce cold spots.\niv.\tHeating pipework has had some remedial work taking place due to leaks developing on galvanised steel pipework and fittings.\nv.\tKitchen ventilation systems are due to be upgraded, which could realise energy savings and potentially rationalise the hydraulic arrangement with regards to air flows and interlocks.\nvi.\tDomestic Hot Water Systems are to be replaced following capacity assessment along with shower valves in the Lower Ground Floor.\nvii.\tThe steam humidification system serving the main office was decommissioned some years ago.  A design to reinstate a humidification system to the vent is to be provided, ideally retaining the existing AHU chassis, as these are not due for replacement.\nviii.\tOverall, the plant replacement strategy has been to upgrade BEMS and now due to follow with emitters and make improvements along the way.\nix.\tChillers and pumps have been replaced as part of a major works project, which is currently on-site.\nx.\t65 Basinghall Street is also known as Guildhall Justice Rooms or GJR.\nxi.\tThe old main CER room is located here and fed from the same chiller as the office area.\nxii.\tThe chiller is to be decommissioned, a replacement service is to be designed and provided.  The CER\nxiii.\tThe FCUs serving GJR are noted as being difficult to service and have 3P valves which create a by-pass which adversely affects return temperatures back to Citigen.\nb.\tLot 2 – Guildhall Yard East (GYE)\ni.\tThere is currently a BEMS replacement project in pre-start phase with Sykes & Son on D&B contract.\nii.\tThe Private part of the building is demised to the City Of London Police.  There is a major refurbishment planned for this part of the building, which is currently in the design phase.\niii.\tMechanical emitters are due for replacement across the Public side of the building.\niv.\tPumps serving both Public and Private areas have recently been replaced.\nv.\tAHUs serving the Public areas were upgraded in 2021 along with the BEMS that controls them.\nvi.\tThe general replacement/upgrade strategy for systems excluding the AHUs, is to replace and upgrade the emitters following on from the BEMS works.\nc.\tLot 3 – West Wing\ni.\tMechanical systems are beyond end of working life and controlling the environment is extremely and increasingly challenging for FM to manage.\nii.\tSystems need to be replaced and upgraded to achieve another 5 years of useful life, as a minimum.\niii.\tThe BEMS is entirely on the legacy Continuum system and needs replacing.\niv.\tThe chillers are life expired and currently due for replacement by connecting via PHX to North Wing under a separate project.\nv.\tThe proposed strategy for mechanical replacement and upgrades, is to undertake rationalisation of systems to allow mechanical plant, emitters and controls to be replaced system-by-system.  Works should look to improve, rationalise and upgrade performance and control where possible.\nvi.\tThe West Wing is Grade II listed and classed as a High-Risk Building.\nThe Consultant M&E Engineer shall fulfil the Lead Function including BRPD and PM.  They have the duty and responsibility of co-ordinating and integrating the work of the other Consultants employed on the project to maintain the Programme on all items of works.  The other respective appointed Consultants will be responsible for the duties as defined in draft scope of service documents created by the Lead Consultant on an emergent basis.  All consultants should be mindful of the interdependencies between disciplines and ensuring a smooth interface between co-dependent third parties.  The COL Supervising Officer or Senior Principal Mechanical Engineer will take overall responsibility for design management and decision making across services.",
    "communication": {
      "futureNoticeDate": "2025-06-02T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "services"
  },
  "parties": [
    {
      "id": "GB-PPON-PYQD-1693-MYXR",
      "name": "The Mayor and Commonalty and Citizens of the City of London",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKI43",
        "country": "GB",
        "locality": "City of London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "PO Box 270"
      },
      "details": {
        "url": "https://www.cityoflondon.gov.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PYQD-1693-MYXR",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "CityProc.Operations@cityoflondon.gov.uk",
        "telephone": "020 7606 3030"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "018123-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/018123-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-04-30T15:57:51+01:00"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-05-26T23:59:59+01:00",
        "description": "This project will be for three lots, suppliers can apply for all three but will be limited to be appointed for only two lots.\nThe tender process will be under the Procurement Act 2023 - Competitive Flexible procedure using the two stage tender process."
      }
    ]
  },
  "initiationType": "tender"
}