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    "publishedDate": "2026-07-16T11:30:16+01:00",
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            "ocid": "ocds-h6vhtk-05ef80",
            "releases": [
                {
                    "ocid": "ocds-h6vhtk-05ef80",
                    "id": "080078-2025",
                    "date": "2025-12-05T11:45:05Z",
                    "tag": [
                        "planning"
                    ],
                    "description": "The market engagement questionnaire for supplier's to respond to can be accessed through ScotRail's e-sourcing portal here: https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx\n(SC Ref:817767)",
                    "initiationType": "tender",
                    "tender": {
                        "id": "SR-255",
                        "legalBasis": {
                            "id": "32014L0025",
                            "scheme": "CELEX"
                        },
                        "title": "PIN for Air Reservoir overhaul",
                        "status": "planned",
                        "classification": {
                            "scheme": "CPV",
                            "id": "50220000",
                            "description": "Repair, maintenance and associated services related to railways and other equipment"
                        },
                        "mainProcurementCategory": "services",
                        "description": "This notice is published by ScotRail Trains Ltd (SRT) and is intended to advertise a market engagement exercise. This is in relation to an intended procurement for the contracted service overhaul of Air Receivers for the Class 153, 156, & HST (Class 43 Power Car and Mark III Coach) fleets at nominated ScotRail depots.\nThis requirement, which has an intended duration of an initial 4 years plus a possible option to extend by a further 12 months, will be tendered as a single Lot for Air Reservoirs overhaul service in accordance with RISAS safety critical and rail standards.\nWe invite suppliers to complete a short questionnaire on our Wax e-sourcing portal which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx",
                        "lots": [
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                                "id": "1",
                                "description": "The objective of this procurement is to appoint a SP capable of delivering an overhaul solution for Air Reservoirs – Pressure Testing – on 153, 156, 158 & HST fleet (Class 43 Power Car and Mark III Coach), supporting the Operator’s operational performance targets and asset management strategy.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe supplier should be RISAS registered, and services must be in accordance with PB/TP1487 Overhaul of Air Reservoirs (for Porterbrook 158 vehicles only).  WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Painting, and Test Specification for train classes 153, 156, & HST (Class 43 Power Car and Mark III Coach).\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data.\nWe invite suppliers to complete a short questionnaire on our Wax e-sourcing portal which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx Additional information: The questionnaire can be accessed through ScotRail's Wax e-sourcing portal here: https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx",
                                "status": "planned"
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                                "deliveryAddresses": [
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                                        "region": "UKM"
                                    }
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                                "deliveryLocation": {
                                    "description": "Haymarket (Edinburgh) and Shields (Glasgow) depots"
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                                "relatedLot": "1"
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                        ],
                        "communication": {
                            "futureNoticeDate": "2026-06-15T00:00:00+01:00"
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                        "coveredBy": [
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                    "parties": [
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                            "name": "ScotRail Trains Limited",
                            "id": "GB-FTS-55890",
                            "identifier": {
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                                "locality": "Glasgow",
                                "region": "UKM",
                                "postalCode": "G2 6HQ",
                                "countryName": "United Kingdom"
                            },
                            "contactPoint": {
                                "name": "Willie MacMillan",
                                "telephone": "+44 3448110141",
                                "email": "willie.macmillan@scotrail.co.uk"
                            },
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                                "buyerProfile": "https://www.publiccontractsscotland.gov.uk/search/Search_AuthProfile.aspx?ID=AA30589",
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                {
                    "ocid": "ocds-h6vhtk-05ef80",
                    "id": "014292-2026",
                    "date": "2026-02-17T12:54:56Z",
                    "tag": [
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                    ],
                    "description": "Wax Digital should be used for the completion of any submissions. The full scope of the\nrequirements is contained within the published project on our Wax Digital e-sourcing\ntool which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx\n(SC Ref:823762)",
                    "initiationType": "tender",
                    "tender": {
                        "id": "SR-255",
                        "legalBasis": {
                            "id": "32014L0025",
                            "scheme": "CELEX"
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                        "title": "PQQ for Air Reservoir overhaul",
                        "status": "active",
                        "classification": {
                            "scheme": "CPV",
                            "id": "50220000",
                            "description": "Repair, maintenance and associated services related to railways and other equipment"
                        },
                        "mainProcurementCategory": "services",
                        "description": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.",
                        "value": {
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                            "currency": "GBP"
                        },
                        "lots": [
                            {
                                "id": "1",
                                "description": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe services must be in accordance with WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh",
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                                "relatedLot": "1"
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                        ],
                        "submissionMethod": [
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                        "submissionMethodDetails": "https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/negotiations/Sourcing/DocumentMain.aspx?ProjectId=390&DocumentId=391&ApplicationInstanceID=27adc89e-0cb2-4b51-9bc1-34061f10156f",
                        "procurementMethod": "selective",
                        "procurementMethodDetails": "Negotiated procedure with prior call for competition",
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                        "tenderPeriod": {
                            "endDate": "2026-03-20T12:00:00Z"
                        },
                        "secondStage": {
                            "invitationDate": "2026-04-20T00:00:00+01:00"
                        },
                        "submissionTerms": {
                            "languages": [
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                            ],
                            "bidValidityPeriod": {
                                "durationInDays": 90
                            }
                        },
                        "hasRecurrence": false
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                    "parties": [
                        {
                            "name": "ScotRail Trains Limited",
                            "id": "GB-FTS-55890",
                            "identifier": {
                                "legalName": "ScotRail Trains Limited"
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                            "address": {
                                "streetAddress": "Atrium Court, 50 Waterloo Street",
                                "locality": "Glasgow",
                                "region": "UKM",
                                "postalCode": "G2 6HQ",
                                "countryName": "United Kingdom"
                            },
                            "contactPoint": {
                                "name": "Willie MacMillan",
                                "telephone": "+44 3448110141",
                                "email": "willie.macmillan@scotrail.co.uk",
                                "url": "https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx"
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                        },
                        {
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                            "id": "GB-FTS-174698",
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                {
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                    "id": "057946-2026",
                    "date": "2026-06-19T11:09:00+01:00",
                    "tag": [
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                        "contract"
                    ],
                    "description": "Wax Digital should be used for the completion of any submissions. The full scope of the\nrequirements is contained within the published project on our Wax Digital e-sourcing\ntool which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx\n(SC Ref:835103)",
                    "initiationType": "tender",
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                            "scheme": "CELEX"
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                        "title": "PQQ for Air Reservoir overhaul",
                        "status": "cancelled",
                        "classification": {
                            "scheme": "CPV",
                            "id": "50220000",
                            "description": "Repair, maintenance and associated services related to railways and other equipment"
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                        "description": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.",
                        "lots": [
                            {
                                "id": "1",
                                "description": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe services must be in accordance with WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh",
                                "awardCriteria": {
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                                            "type": "quality",
                                            "description": "60"
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                                "postalCode": "G2 6HQ",
                                "countryName": "United Kingdom"
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                            "contactPoint": {
                                "name": "Willie MacMillan",
                                "telephone": "+44 3448110141",
                                "email": "willie.macmillan@scotrail.co.uk"
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                    "id": "058938-2026",
                    "date": "2026-06-23T12:58:24+01:00",
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                    ],
                    "description": "Wax Digital should be used for the completion of any submissions. The full scope of the requirements is contained within the published project on our Wax Digital e-sourcing tool which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx\n(SC Ref:835148)",
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                        "id": "SR-255",
                        "legalBasis": {
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                            "scheme": "CELEX"
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                        "title": "PQQ for Air Reservoir overhaul",
                        "status": "active",
                        "classification": {
                            "scheme": "CPV",
                            "id": "50220000",
                            "description": "Repair, maintenance and associated services related to railways and other equipment"
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                        "description": "ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.\nNoting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy and the tender will now be separated into Lots to account for the differing contract end date required for the HSTs.\n-\tLot 1 – for Class 153, 156 & 158 trains; and\n-\tLot 2 – for HST Class 43 Power Car & Mark III Coach\nAs part of the ITN process Suppliers will be able to bid for one or more Lots.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.",
                        "lotDetails": {
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                        },
                        "lots": [
                            {
                                "id": "1",
                                "title": "Air Reservoir overhaul for Class 153, 156 & 158 trains",
                                "description": "ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.\nNoting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy.  The tender will now be separated into Lots to account for the differing contract end date required for the HSTs.\nLot 1 – for Class 153, 156 & 158 trains; and\nAs part of the ITN process Suppliers will be able to bid for one or more Lots.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe services must be in accordance with WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh",
                                "contractPeriod": {
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                                "renewal": {
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                                "hasOptions": false,
                                "status": "active"
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                            {
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                                "releaseID": "080078-2025",
                                "releaseDate": "2025-12-05T11:45:05Z",
                                "releaseTag": [
                                    "planning"
                                ],
                                "value": "CELEX"
                            }
                        ]
                    },
                    "title": [
                        {
                            "releaseID": "080078-2025",
                            "releaseDate": "2025-12-05T11:45:05Z",
                            "releaseTag": [
                                "planning"
                            ],
                            "value": "PIN for Air Reservoir overhaul"
                        },
                        {
                            "releaseID": "014292-2026",
                            "releaseDate": "2026-02-17T12:54:56Z",
                            "releaseTag": [
                                "tender"
                            ],
                            "value": "PQQ for Air Reservoir overhaul"
                        }
                    ],
                    "status": [
                        {
                            "releaseID": "080078-2025",
                            "releaseDate": "2025-12-05T11:45:05Z",
                            "releaseTag": [
                                "planning"
                            ],
                            "value": "planned"
                        },
                        {
                            "releaseID": "014292-2026",
                            "releaseDate": "2026-02-17T12:54:56Z",
                            "releaseTag": [
                                "tender"
                            ],
                            "value": "active"
                        },
                        {
                            "releaseID": "057946-2026",
                            "releaseDate": "2026-06-19T11:09:00+01:00",
                            "releaseTag": [
                                "award",
                                "contract"
                            ],
                            "value": "cancelled"
                        },
                        {
                            "releaseID": "058938-2026",
                            "releaseDate": "2026-06-23T12:58:24+01:00",
                            "releaseTag": [
                                "tender"
                            ],
                            "value": "active"
                        }
                    ],
                    "classification": {
                        "scheme": [
                            {
                                "releaseID": "080078-2025",
                                "releaseDate": "2025-12-05T11:45:05Z",
                                "releaseTag": [
                                    "planning"
                                ],
                                "value": "CPV"
                            }
                        ],
                        "id": [
                            {
                                "releaseID": "080078-2025",
                                "releaseDate": "2025-12-05T11:45:05Z",
                                "releaseTag": [
                                    "planning"
                                ],
                                "value": "50220000"
                            }
                        ],
                        "description": [
                            {
                                "releaseID": "080078-2025",
                                "releaseDate": "2025-12-05T11:45:05Z",
                                "releaseTag": [
                                    "planning"
                                ],
                                "value": "Repair, maintenance and associated services related to railways and other equipment"
                            }
                        ]
                    },
                    "mainProcurementCategory": [
                        {
                            "releaseID": "080078-2025",
                            "releaseDate": "2025-12-05T11:45:05Z",
                            "releaseTag": [
                                "planning"
                            ],
                            "value": "services"
                        }
                    ],
                    "description": [
                        {
                            "releaseID": "080078-2025",
                            "releaseDate": "2025-12-05T11:45:05Z",
                            "releaseTag": [
                                "planning"
                            ],
                            "value": "This notice is published by ScotRail Trains Ltd (SRT) and is intended to advertise a market engagement exercise. This is in relation to an intended procurement for the contracted service overhaul of Air Receivers for the Class 153, 156, & HST (Class 43 Power Car and Mark III Coach) fleets at nominated ScotRail depots.\nThis requirement, which has an intended duration of an initial 4 years plus a possible option to extend by a further 12 months, will be tendered as a single Lot for Air Reservoirs overhaul service in accordance with RISAS safety critical and rail standards.\nWe invite suppliers to complete a short questionnaire on our Wax e-sourcing portal which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx"
                        },
                        {
                            "releaseID": "014292-2026",
                            "releaseDate": "2026-02-17T12:54:56Z",
                            "releaseTag": [
                                "tender"
                            ],
                            "value": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires."
                        },
                        {
                            "releaseID": "058938-2026",
                            "releaseDate": "2026-06-23T12:58:24+01:00",
                            "releaseTag": [
                                "tender"
                            ],
                            "value": "ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.\nNoting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy and the tender will now be separated into Lots to account for the differing contract end date required for the HSTs.\n-\tLot 1 – for Class 153, 156 & 158 trains; and\n-\tLot 2 – for HST Class 43 Power Car & Mark III Coach\nAs part of the ITN process Suppliers will be able to bid for one or more Lots.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires."
                        }
                    ],
                    "lots": [
                        {
                            "id": "1",
                            "description": [
                                {
                                    "releaseID": "080078-2025",
                                    "releaseDate": "2025-12-05T11:45:05Z",
                                    "releaseTag": [
                                        "planning"
                                    ],
                                    "value": "The objective of this procurement is to appoint a SP capable of delivering an overhaul solution for Air Reservoirs – Pressure Testing – on 153, 156, 158 & HST fleet (Class 43 Power Car and Mark III Coach), supporting the Operator’s operational performance targets and asset management strategy.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe supplier should be RISAS registered, and services must be in accordance with PB/TP1487 Overhaul of Air Reservoirs (for Porterbrook 158 vehicles only).  WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Painting, and Test Specification for train classes 153, 156, & HST (Class 43 Power Car and Mark III Coach).\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data.\nWe invite suppliers to complete a short questionnaire on our Wax e-sourcing portal which can be accessed here https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx Additional information: The questionnaire can be accessed through ScotRail's Wax e-sourcing portal here: https://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspx"
                                },
                                {
                                    "releaseID": "014292-2026",
                                    "releaseDate": "2026-02-17T12:54:56Z",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "This is a pre-qualification activity in advance of a formal tender process.\nScotRail Trains Limited are looking to tender for the provision of an Air Reservoir (various) overhaul service using Scotrail-provided materials.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe services must be in accordance with WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh"
                                },
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.\nNoting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy.  The tender will now be separated into Lots to account for the differing contract end date required for the HSTs.\nLot 1 – for Class 153, 156 & 158 trains; and\nAs part of the ITN process Suppliers will be able to bid for one or more Lots.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nThe services must be in accordance with WOSS 310/8 Version 4: Repair Procedure – Dismantling, Cleaning, Examination and Repair, Reassembly and Pain ting, and Test Specification for train classes 153, 156, 158, & HSTs.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh"
                                }
                            ],
                            "status": [
                                {
                                    "releaseID": "080078-2025",
                                    "releaseDate": "2025-12-05T11:45:05Z",
                                    "releaseTag": [
                                        "planning"
                                    ],
                                    "value": "planned"
                                },
                                {
                                    "releaseID": "014292-2026",
                                    "releaseDate": "2026-02-17T12:54:56Z",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "active"
                                },
                                {
                                    "releaseID": "057946-2026",
                                    "releaseDate": "2026-06-19T11:09:00+01:00",
                                    "releaseTag": [
                                        "award",
                                        "contract"
                                    ],
                                    "value": "cancelled"
                                },
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "active"
                                }
                            ],
                            "contractPeriod": {
                                "durationInDays": [
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 1440
                                    }
                                ]
                            },
                            "hasRenewal": [
                                {
                                    "releaseID": "014292-2026",
                                    "releaseDate": "2026-02-17T12:54:56Z",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": true
                                }
                            ],
                            "renewal": {
                                "description": [
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": "Option to extend for a further 12 months"
                                    }
                                ]
                            },
                            "secondStage": {
                                "minimumCandidates": [
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 4
                                    }
                                ],
                                "maximumCandidates": [
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 4
                                    }
                                ]
                            },
                            "submissionTerms": {
                                "variantPolicy": [
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": "notAllowed"
                                    }
                                ]
                            },
                            "hasOptions": [
                                {
                                    "releaseID": "014292-2026",
                                    "releaseDate": "2026-02-17T12:54:56Z",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": false
                                }
                            ],
                            "awardCriteria": {
                                "criteria": [
                                    {
                                        "releaseID": "057946-2026",
                                        "releaseDate": "2026-06-19T11:09:00+01:00",
                                        "releaseTag": [
                                            "award",
                                            "contract"
                                        ],
                                        "value": [
                                            {
                                                "name": "Quality",
                                                "type": "quality",
                                                "description": "60"
                                            },
                                            {
                                                "type": "price",
                                                "description": "40"
                                            }
                                        ]
                                    }
                                ]
                            },
                            "title": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "Air Reservoir overhaul for Class 153, 156 & 158 trains"
                                }
                            ]
                        },
                        {
                            "id": "2",
                            "title": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "Air Reservoir overhaul for HST Class 43 Power Car & Mark III Coach"
                                }
                            ],
                            "description": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "ScotRail Trains Limited (hereinafter referenced as ScotRail) are looking to tender for the provision of an Air Reservoir (various) overhaul service in accordance with rail safety critical and rail standards, and using Scotrail-provided materials.\nNoting the Out of Service (OSD) for HSTs, the business has revised the procurement strategy.  The tender will now be separated into Lots to account for the differing contract end date required for the HSTs.\nLot 2 – for HST Class 43 Power Car & Mark III Coach\nAs part of the ITN process Suppliers will be able to bid for one or more Lots.\nAn air reservoir is defined as a vessel (other than a pipe coil or ancillary fitting and part of the compressor) for containing compressed air.  The group definition is based on the Reservoirs function, material and vehicle classification. ScotRail Trains Limited reserve the right to add or remove the numbers of overhauls per class of train, as the business requires.\nAs part of this service, SRTL requires the supplier to deliver a robust identification labelling system to asset manage each tank to identify the kit and record the overhaul completion date and associated data. Additional information: This is a pre-qualification activity in advance of a formal tender process.\nTo participate, suppliers should access and complete the the pre Qualification\nQuestionnaire published on our e-sourcing portal (wax Digital) at\nhttps://scotrail.wax-live.com/S2C/DisplayModules/TradeModules/Negotiations/Opportunities/ListEvents.aspxh"
                                }
                            ],
                            "contractPeriod": {
                                "durationInDays": [
                                    {
                                        "releaseID": "058938-2026",
                                        "releaseDate": "2026-06-23T12:58:24+01:00",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 720
                                    }
                                ]
                            },
                            "hasRenewal": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": true
                                }
                            ],
                            "renewal": {
                                "description": [
                                    {
                                        "releaseID": "058938-2026",
                                        "releaseDate": "2026-06-23T12:58:24+01:00",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": "Possible extension of up to 12 months"
                                    }
                                ]
                            },
                            "secondStage": {
                                "minimumCandidates": [
                                    {
                                        "releaseID": "058938-2026",
                                        "releaseDate": "2026-06-23T12:58:24+01:00",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 4
                                    }
                                ],
                                "maximumCandidates": [
                                    {
                                        "releaseID": "058938-2026",
                                        "releaseDate": "2026-06-23T12:58:24+01:00",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": 4
                                    }
                                ]
                            },
                            "submissionTerms": {
                                "variantPolicy": [
                                    {
                                        "releaseID": "058938-2026",
                                        "releaseDate": "2026-06-23T12:58:24+01:00",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": "notAllowed"
                                    }
                                ]
                            },
                            "hasOptions": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": false
                                }
                            ],
                            "status": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "active"
                                }
                            ]
                        }
                    ],
                    "items": [
                        {
                            "id": "1",
                            "additionalClassifications": [
                                {
                                    "releaseID": "080078-2025",
                                    "releaseDate": "2025-12-05T11:45:05Z",
                                    "releaseTag": [
                                        "planning"
                                    ],
                                    "value": [
                                        {
                                            "scheme": "CPV",
                                            "id": "50220000",
                                            "description": "Repair, maintenance and associated services related to railways and other equipment"
                                        }
                                    ]
                                },
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": [
                                        {
                                            "scheme": "CPV",
                                            "id": "50220000",
                                            "description": "Repair, maintenance and associated services related to railways and other equipment"
                                        },
                                        {
                                            "scheme": "CPV",
                                            "id": "50530000",
                                            "description": "Repair and maintenance services of machinery"
                                        },
                                        {
                                            "scheme": "CPV",
                                            "id": "71630000",
                                            "description": "Technical inspection and testing services"
                                        }
                                    ]
                                }
                            ],
                            "deliveryAddresses": [
                                {
                                    "region": [
                                        {
                                            "releaseID": "080078-2025",
                                            "releaseDate": "2025-12-05T11:45:05Z",
                                            "releaseTag": [
                                                "planning"
                                            ],
                                            "value": "UKM"
                                        }
                                    ]
                                },
                                {
                                    "region": [
                                        {
                                            "releaseID": "014292-2026",
                                            "releaseDate": "2026-02-17T12:54:56Z",
                                            "releaseTag": [
                                                "tender"
                                            ],
                                            "value": "UKM"
                                        }
                                    ]
                                },
                                {
                                    "region": [
                                        {
                                            "releaseID": "057946-2026",
                                            "releaseDate": "2026-06-19T11:09:00+01:00",
                                            "releaseTag": [
                                                "award",
                                                "contract"
                                            ],
                                            "value": "UKM"
                                        }
                                    ]
                                },
                                {
                                    "region": [
                                        {
                                            "releaseID": "058938-2026",
                                            "releaseDate": "2026-06-23T12:58:24+01:00",
                                            "releaseTag": [
                                                "tender"
                                            ],
                                            "value": "UKM"
                                        }
                                    ]
                                }
                            ],
                            "deliveryLocation": {
                                "description": [
                                    {
                                        "releaseID": "080078-2025",
                                        "releaseDate": "2025-12-05T11:45:05Z",
                                        "releaseTag": [
                                            "planning"
                                        ],
                                        "value": "Haymarket (Edinburgh) and Shields (Glasgow) depots"
                                    },
                                    {
                                        "releaseID": "014292-2026",
                                        "releaseDate": "2026-02-17T12:54:56Z",
                                        "releaseTag": [
                                            "tender"
                                        ],
                                        "value": "Edinburgh, Glasgow or Inverness"
                                    }
                                ]
                            },
                            "relatedLot": [
                                {
                                    "releaseID": "080078-2025",
                                    "releaseDate": "2025-12-05T11:45:05Z",
                                    "releaseTag": [
                                        "planning"
                                    ],
                                    "value": "1"
                                }
                            ]
                        },
                        {
                            "id": "2",
                            "additionalClassifications": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": [
                                        {
                                            "scheme": "CPV",
                                            "id": "50220000",
                                            "description": "Repair, maintenance and associated services related to railways and other equipment"
                                        },
                                        {
                                            "scheme": "CPV",
                                            "id": "50530000",
                                            "description": "Repair and maintenance services of machinery"
                                        },
                                        {
                                            "scheme": "CPV",
                                            "id": "71630000",
                                            "description": "Technical inspection and testing services"
                                        }
                                    ]
                                }
                            ],
                            "deliveryAddresses": [
                                {
                                    "region": [
                                        {
                                            "releaseID": "058938-2026",
                                            "releaseDate": "2026-06-23T12:58:24+01:00",
                                            "releaseTag": [
                                                "tender"
                                            ],
                                            "value": "UKM"
                                        }
                                    ]
                                }
                            ],
                            "relatedLot": [
                                {
                                    "releaseID": "058938-2026",
                                    "releaseDate": "2026-06-23T12:58:24+01:00",
                                    "releaseTag": [
                                        "tender"
                                    ],
                                    "value": "2"
                                }
                            ]
                        }
                    ],
                    "communication": {
                        "futureNoticeDate": [
                            {
                                "releaseID": "080078-2025",
                                "releaseDate": "2025-12-05T11:45:05Z",
                                "releaseTag": [
                                    "planning"
                                ],
                                "value": "2026-06-15T00:00:00+01:00"
                            }
                        ]
                    },
                    "coveredBy": [
                        {
                            "releaseID": "080078-2025",
                            "releaseDate": "2025-12-05T11:45:05Z",
                            "releaseTag": [
                                "planning"
                            ],
                            "value": [
                                "GPA"
                            ]
                        }
                    ],
                    "value": {
                        "amount": [
                            {
                                "releaseID": "014292-2026",
                                "releaseDate": "2026-02-17T12:54:56Z",
                                "releaseTag": [
                                    "tender"
                                ],
                                "value": 475000
                            }
                        ],
                        "currency": [
                            {
                                "releaseID": "014292-2026",
                                "releaseDate": "2026-02-17T12:54:56Z",
                                "releaseTag": [
                                    "tender"
                                ],
                                "value": "GBP"
                            }
                        ]
                    },
                    "submissionMethod": [
                        {
                            "releaseID": "014292-2026",
                            "releaseDate": "2026-02-17T12:54:56Z",
                            "releaseTag": [
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                            "value": [
                                "electronicSubmission"
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