3" Cryogenic Vent Stack with Changeable Terminations

{
  "buyer": {
    "id": "GB-PPON-PBXM-4389-TXVZ",
    "name": "Health and Safety Executive"
  },
  "date": "2026-02-11T15:18:32Z",
  "id": "012525-2026",
  "initiationType": "tender",
  "language": "en",
  "ocid": "ocds-h6vhtk-064e2b",
  "parties": [
    {
      "address": {
        "country": "GB",
        "countryName": "United Kingdom",
        "locality": "Liverpool",
        "postalCode": "L20 7HS",
        "region": "UKD73",
        "streetAddress": "Redgrave Court, Merton Road, Bootle, Merseyside"
      },
      "contactPoint": {
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      "id": "GB-PPON-PBXM-4389-TXVZ",
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        "id": "PBXM-4389-TXVZ",
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      "name": "Health and Safety Executive",
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    }
  ],
  "tag": [
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  "tender": {
    "aboveThreshold": false,
    "description": "HSE require a 3\" vent stack for use with cryogenic hydrogen for an experimental programme. The vent must have interchangeable terminations (miter cut, bullhorn, lambda) which may be on a flanged connection or otherwise joined.\nThe vent stack should be 4 m tall and terminate in a 3\" ANSI Class 300 flange. 0.5 m from the top there should be two bosses with \u00bc\" BSP female fittings and another boss with a 7/16\" UNJF female fitting.  The vent stack must have a maximum allowable working pressure of 40 barg.\nThe vent stack should have a manual drain valve at the bottom of the stack which is spring loaded (normally closed).\n1.5 m from the bottom of the vent stack should be a 3\" ANSI flange connection and a 1\u00bd\" ANSI flange connection. Both these flanges must be Class 300.\nThe vent should come with 3 interchangeable termination designs which are on 3\" ANSI Class 300 flanges to attach to the top of the vent stack. Suitable gaskets and torque values/calculations for all flanges should be provided.  See In-tend for full requirements",
    "documents": [
      {
        "datePublished": "2026-02-11T15:18:32Z",
        "description": "Tender notice on Find a Tender",
        "documentType": "tenderNotice",
        "format": "text/html",
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        "url": "https://www.find-tender.service.gov.uk/Notice/012525-2026"
      }
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    "id": "T4879",
    "items": [
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        "additionalClassifications": [
          {
            "description": "Pipeline, piping, pipes, casing, tubing and related items",
            "id": "44160000",
            "scheme": "CPV"
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    ],
    "legalBasis": {
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        "contractPeriod": {
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          "startDate": "2026-08-01T00:00:00+01:00"
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          "amountGross": 30000,
          "currency": "GBP"
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    "mainProcurementCategory": "goods",
    "procurementMethod": "open",
    "procurementMethodDetails": "Below threshold - open competition",
    "status": "active",
    "submissionMethodDetails": "All tender documents are available via the HSE In-Tend supplier e-procurement portal. All responses and requests for clarification must be submitted via the portal. Registration is free of charge and can be completed via the following link:\nhttps://in-tendhost.co.uk/hse",
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    "tenderPeriod": {
      "endDate": "2026-03-06T13:00:00Z"
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    "title": "3\" Cryogenic Vent Stack with Changeable Terminations",
    "value": {
      "amount": 25000,
      "amountGross": 30000,
      "currency": "GBP"
    }
  }
}