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PROCUREMENT OPPORTUNITY

3" Cryogenic Vent Stack with Changeable Terminations

Health and Safety Executive · Tender notice on Find a Tender

Tender information last checkedLast checked 4 Oct 2026, 22:26.

Opportunity overview

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. The 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 ¼" 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. The vent stack should have a manual drain valve at the bottom of the stack which is spring loaded (normally closed). 1.5 m from the bottom of the vent stack should be a 3" ANSI flange connection and a 1½" ANSI flange connection. Both these flanges must be Class 300. The 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

Classification

  • CPV44160000 — Pipeline, piping, pipes, casing, tubing and related items

Lots

  • Lot 1£25k

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
T4879
Status
active
Procurement Method
open
Procurement Method Details
Below threshold - open competition
Main Procurement Category
goods
Above Threshold
No
How to submit
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: https://in-tendhost.co.uk/hse

Legal basis

Id
2023/54
Scheme
UKPGA

Submission terms

Electronic Submission Policy
allowed

Tender Period

Ends
6 Mar 2026, 13:00

Enquiry period

Ends
27 Feb 2026, 13:00

Lots and requirements

Entry 1
Id
1
Status
active

Value

Including VAT
30,000
Amount
25,000
Currency
GBP

Contract period

Starts
1 Aug 2026, 00:00
Ends
1 Aug 2026, 23:59

Award criteria

Description
The successful supplier(s) will be selected based on - ability to deliver the supply required - fully meeting the specifications - meeting the specified delivery timeline - price.

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
44160000
Description
Pipeline, piping, pipes, casing, tubing and related items

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Published documents

Entry 1
Id
012525-2026
Document Type
tenderNotice
Notice Type
UK4
Description
Tender notice on Find a Tender
Published
11 Feb 2026, 15:18
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Health and Safety Executive
Id
GB-PPON-PBXM-4389-TXVZ

Identifier

Scheme
GB-PPON
Id
PBXM-4389-TXVZ

Address

Street Address
Redgrave Court, Merton Road, Bootle, Merseyside
Locality
Liverpool
Postal Code
L20 7HS
Country
GB
Country Name
United Kingdom
Region
UKD73

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthorityCentralGovernment
Description
Public authority - central government

Recorded locations

  • Buyer location · Liverpool · UKD73 · L20 7HS · United Kingdom
  • Delivery location · UK · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 012525-2026Tender notice on Find a Tender ·