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Contract awardedFramework call-offGas mains replacement

Supply, Install & Commission of Odorant Injection Systems

Delivery and installation of ZEO odorant injection units including mechanical and electrical integration, cabinet lighting, and 75m injection lines. The project requires full retention of existing NJEX systems, Factory Acceptance Testing, and hazardous waste disposal across multiple UK gas network sites to ensure regulatory compliance.

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Awarded value
£3.5m
As published
Published
17 December 2025
Awarded
17 December 2025
YZ Systems Ltd
Contract length
15 months
Ends 31 March 2027

What the contract covers

Framework call-off contract

Supply, installation, and commissioning of specialised odorant injection systems for gas network infrastructure and operational site compliance.

  • Supply of network-compatible odorant injection systems, including ZEO odorant injection units with bund risers
  • Mechanical and electrical installation with associated materials and pneumatic lines
  • Integration of electrical back plates, cabinet lighting, PRU and vent stack
  • Retention of existing NJEX systems
  • Commissioning and Factory Acceptance Testing (FAT)
  • Hazardous waste disposal in line with environmental requirements
  • Supply and installation of a 75m injection line and miscellaneous materials

Terms and requirements

Contract type
Framework call-off contract
Procedure
Direct award
Initial term
15 months
Extensions
12 months + 12 months + 12 months + 12 months
Longest it can run
63 months
Contract dates
1 January 2026 to 31 March 2027
Certifications asked for
None stated
Lots
1
Suitable for SMEs
Yes
CPV codes
39340000

Services in this contract

  • Gas network worksMain service£118k typicalSupply, install and commission odorant injection systems at gas network sites

Lifecycle

  1. Published
  2. Contract awardedto YZ Systems Ltd
  3. Contract starts
  4. Contract ends
The buyer

Northern Gas Networks

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The supplier

YZ Systems Ltd

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Cite this contract

Link
https://bidskim.com/tender/340327/supply-install-and-commission-of-odorant-injection-systems
Buyer reference
ocds-h6vhtk-05f82f
Open contracting ID
ocds-h6vhtk-05f82f
Last checked
5 November 2026

Northern Gas Networks. Supply, Install & Commission of Odorant Injection Systems. Contract award, 17 December 2025. BidSkim, https://bidskim.com/tender/340327/supply-install-and-commission-of-odorant-injection-systems (accessed 5 November 2026).