Buyer: Submarine Delivery Agency →
View official notice ↗Official source
The Purification Equipment (PE) Contract shall deliver the supply and support of essential equipment needed to control the breathable atmosphere on board Submarines, including Authority training establishments. This is inclusive of the Vanguard and Astute class submarines, and any new classes of submarine that may be introduced during the lifetime of the Purification Equipment project. The services to be delivered throughout the Contract shall include Service Management in order to meet and deliver the contractual requirements, Obsolescence Management in order to proactively manage obsolescence for all in-scope equipment, support to maintain a spares inclusive upkeep service including equipment procurement and delivery, and equipment upkeep management including strip, survey and repair of equipment, maintenance activity of equipment, technical support, Operational Defect (OpDef) and defect support, training services, and equipment installation. The Contract shall also include a tasking provision which shall include but not be limited to the following: i. Obsolescence resolution, ii. Codification, iii. Disposals iv. Post Design Services (PDS) activities to include technical upgrades and investigations where required v. Training over and above extant requirements vi. Fleet Time investigations, vii. Defects and repairs viii. Technical assistance ix. Technical investigations x. CONDO support xi. Trials support xii. Equipment root cause analysis xiii. Safety and environmental management system xiv. Operational safety assurance inspections xv. Boat visits and reports xvi. Modifications xvii. Additions and alterations The PE contract shall cover a number of master equipment types and its ancillary components. These Master Equipment types are detailed within the Tender documentation. This tender notice is for the award of a public contract through a competitive flexible procedure in accordance with section 20(1) and (2)(b) of the Procurement Act 2023. It is considered a Defence and Security Contract due to its scope and therefore the relevant provisions of the Procurement Act 2023 relating to defence and security contracts are applicable. The Purification Equipment contract will be initially for five (5) years however the contract shall include two irrevocable one year options to extend the Contract by a further two years taking total contract duration if options invoked to be seven (7) years.
UK, GB
No lot description published.
Award criteria
Price — Weightings will be set out in the associated tender documents
Technical — Weightings will be set out in the associated tender documents
Commercial — Weightings will be set out in the associated tender documents
| Item | Category | Quantity |
|---|---|---|
| 1 | Submarines, Strategic submarine nuclear fuelled, Attack submarine nuclear fuelled, Repair and maintenance services | Not published |
Benchmarked against retained Find a Tender procedures with CPV division 35. The category anchor is Submarines (35512000); this is a deliberately broad market comparator. The comparison is shown at several levels rather than pretending one company or region is always the best benchmark.
| Comparison set | Procedures | Reported bids per procedure | Named award suppliers | Price evidence |
|---|---|---|---|---|
| Market: CPV division 35 | 2,010 | 3 median · 35.3 average (710 of 2,010 with a bid count) | 3.8 average (811 of 2,010 with named award suppliers) | Not published |
| Same buyer | 10 | Not published | Not published | Not published |
| Delivery region: UK | 781 | 4 median · 69.9 average (259 of 781 with a bid count) | 5.7 average (317 of 781 with named award suppliers) | Not published |
| Similar published value (0.5×–2×) | 88 | 192 median · 192 average (2 of 88 with a bid count) | 21 average (2 of 88 with named award suppliers) | Not published |
“Reported bids” is an official aggregate, sometimes reported per lot; it is the closest available competition measure. “Named award suppliers” are winners, not all applicants.
Not enough comparable procedures currently publish both a GBP tender value and a usable lowest-valid-bid value to calculate a responsible price-reduction benchmark. Tenderline deliberately does not infer a saving from named award suppliers or from missing award values.
No planning milestones published.
No linked framework, prior procurement or reprocurement published.
Diagnostic view. “Not published” means this current release does not provide a value.
| OCID | ocds-h6vhtk-058520 |
|---|---|
| Latest release ID | 065722-2025 |
| Latest release timestamp | Wed Oct 15 2025 16:09:16 GMT+0000 (Coordinated Universal Time) |
| Source | find-a-tender |
| Official notice URL | https://www.find-tender.service.gov.uk/Notice/065722-2025 |
| Tender status | active |
| Procurement method | selective |
| Procurement method details | Competitive flexible procedure |
| Main procurement category | services |
| Above threshold | Yes |
| Legal basis | 2023/54 |
| Tender period: start | Not published |
| Tender period: end | Not published |
| Expression of interest deadline | 2025-11-21T23:59:00+00:00 |
| Enquiry deadline | 2025-11-14T23:59:00+00:00 |
| Award period: start | Not published |
| Award period: end | 2026-06-01T23:59:59+01:00 |
| Submission method details | Submissions should be made via the Defence Sourcing Portal (DSP). In order to access the COP and PSQ, please log into the DSP and access via this link: Please log into the DSP and access via this link: https://contracts.mod.uk/go/711829030199E89BB4E9 |
| Submission languages | en |
| Electronic catalogue policy | Not published |
| Total tender value | £41,666,666 |
| Tender lots in source | 1 |
| Tender items in source | 1 |
| Tender documents in source | 3 |
| Awards in latest release | 0 |
| Contracts in latest release | 0 |
| Parties in latest release | 1 |
| Date | Event | Reference |
|---|---|---|
| 15 Oct 2025 | tender | 065722-2025 |
| 22 Aug 2025 | planning | 051001-2025 |
| 11 Aug 2025 | planning | 047625-2025 |
Unmodified official OCDS data retained by Tenderline for this procurement process.
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"description": "Attack submarine nuclear fuelled"
},
{
"id": "50000000",
"scheme": "CPV",
"description": "Repair and maintenance services"
}
]
}
],
"title": "715173450 - Purification Equipment",
"value": {
"amount": 41666666,
"currency": "GBP",
"amountGross": 50000000
},
"status": "planned",
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"id": "2023/54",
"uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
"scheme": "UKPGA"
},
"description": "The Purification Equipment (PE) Contract shall deliver the supply and support of essential equipment needed to control the breathable atmosphere on board Submarines, including Authority training establishments. The services to be delivered throughout the Contract shall include Service Management in order to meet and deliver the contractual requirements, Obsolescence Management in order to proactively management obsolescence for all in-scope equipment, support to maintain a spares inclusive upkeep service including equipment procurement and delivery, and equipment upkeep management including strip, survey and repair of equipment, maintenance activity of equipment, technical support, Operational Defect (OpDef) and defect support, training services, and equipment installation. Post Design Services (PDS) shall be included to cover any work in scope of tasking.",
"communication": {
"futureNoticeDate": "2025-10-06T23:59:59+01:00"
},
"specialRegime": [
"defenceSecurity"
],
"aboveThreshold": true,
"mainProcurementCategory": "services"
},
"parties": [
{
"id": "GB-PPON-PBHX-4625-LVPD",
"name": "Submarine Delivery Agency",
"roles": [
"buyer"
],
"address": {
"region": "UKK12",
"country": "GB",
"locality": "Bristol",
"postalCode": "BS34 8JH",
"countryName": "United Kingdom",
"streetAddress": "MOD Abbey Wood"
},
"details": {
"url": "https://www.gov.uk/government/organisations/submarine-delivery-agency",
"classifications": [
{
"id": "publicAuthorityCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - central government"
}
]
},
"identifier": {
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"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Emma Hart",
"email": "Emma.Hart102@mod.gov.uk"
}
}
],
"language": "en",
"planning": {
"documents": [
{
"id": "051001-2025",
"url": "https://www.find-tender.service.gov.uk/Notice/051001-2025",
"format": "text/html",
"noticeType": "UK2",
"description": "Preliminary market engagement notice on Find a Tender",
"documentType": "marketEngagementNotice",
"datePublished": "2025-08-22T16:14:21+01:00"
}
],
"milestones": [
{
"id": "engagement",
"type": "engagement",
"status": "scheduled",
"dueDate": "2025-09-19T23:59:59+01:00",
"description": "The Purification Equipment (PE) Contract shall deliver the supply and support of essential equipment needed to control the breathable atmosphere on board Submarines, including Authority training establishments. The services to be delivered throughout the Contract shall include Service Management in order to meet and deliver the contractual requirements, Obsolescence Management in order to proactively management obsolescence for all in-scope equipment, support to maintain a spares inclusive upkeep service including equipment procurement and delivery, and equipment upkeep management including strip, survey and repair of equipment, maintenance activity of equipment, technical support, Operational Defect (OpDef) and defect support, training services, and equipment installation. Post Design Services (PDS) shall be included to cover any work in scope of tasking.\nThe Submarine Delivery Agency (SDA) has a requirement to supply and support essential equipment needed to control the breathable atmosphere. Consequently, the Authority seeks to assess the commercial market's capability to tender solutions that meet this future procurement need. This process will enable the Authority to plan activities effectively and may assist in shaping the future procurement strategy and defining the scope of the requirement.\nFor further details, please refer to the Request for Information (RFI) which is included as part of the Opportunity Listing on the Defence Sourcing Portal (DSP). To access the RFI, please go onto ‘view DSP opportunities’ on the DSP webpage.\nThe Authority welcomes responses to the questions outlined in Annex A. Organisations interested in providing information are invited to contact Emma Hart at Emma.Hart102@mod.gov.uk.\nThe RFI closure date is 19th September 2025 at 23:59.\nThis RFI does not represent a contractual commitment of any kind at this time. Any work undergone as a result of this request is done so at your organisations risk. This RFI is not a commitment by the UK Ministry of Defence to place an order or a Tender in the future."
}
]
},
"initiationType": "tender"
}{
"id": "047625-2025",
"tag": [
"planning"
],
"date": "2025-08-11T12:55:48+01:00",
"ocid": "ocds-h6vhtk-058520",
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},
"tender": {
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"lots": [
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"status": "planned",
"hasRenewal": true,
"suitability": {
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},
"contractPeriod": {
"endDate": "2031-06-30T23:59:59+01:00",
"startDate": "2026-07-01T00:00:00+01:00",
"maxExtentDate": "2033-06-30T23:59:59+01:00"
}
}
],
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"description": "Strategic submarine nuclear fuelled"
},
{
"id": "35512200",
"scheme": "CPV",
"description": "Attack submarine nuclear fuelled"
},
{
"id": "50000000",
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"description": "Repair and maintenance services"
}
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}
],
"title": "715173450 - Purification Equipment",
"value": {
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"currency": "GBP",
"amountGross": 50000000
},
"status": "planned",
"legalBasis": {
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"scheme": "UKPGA"
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"communication": {
"futureNoticeDate": "2025-08-26T23:59:59+01:00"
},
"specialRegime": [
"defenceSecurity"
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{
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"name": "Submarine Delivery Agency",
"roles": [
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],
"address": {
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"country": "GB",
"locality": "Bristol",
"postalCode": "BS34 8JH",
"countryName": "United Kingdom",
"streetAddress": "MOD Abbey Wood"
},
"details": {
"url": "https://www.gov.uk/government/organisations/submarine-delivery-agency",
"classifications": [
{
"id": "publicAuthorityCentralGovernment",
"scheme": "UK_CA_TYPE",
"description": "Public authority - central government"
}
]
},
"identifier": {
"id": "PBHX-4625-LVPD",
"scheme": "GB-PPON"
},
"contactPoint": {
"name": "Emma Hart",
"email": "Emma.Hart102@mod.gov.uk"
}
}
],
"language": "en",
"planning": {
"documents": [
{
"id": "047625-2025",
"url": "https://www.find-tender.service.gov.uk/Notice/047625-2025",
"format": "text/html",
"noticeType": "UK1",
"description": "Pipeline notice on Find a Tender",
"documentType": "plannedProcurementNotice",
"datePublished": "2025-08-11T12:55:48+01:00"
}
]
},
"initiationType": "tender"
}