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Northern Lighthouse Board : Water Management - Legionella

  Northern Lighthouse Board is using Delta eSourcing to run this tender exercise

Notice Summary
Title: Water Management - Legionella
Notice type: UK4: Tender notice
Authority: Northern Lighthouse Board
Nature of contract: Services
Procedure: Below threshold - Open competition
Short Description: The Northern Lighthouse Board has 208 lighthouses protecting the coastline of Scotland, the Northern Isles, The Western Isles and the Isle of Man as well as an office in Edinburgh, and bases in Oban, Inverness, Lerwick and Kirkwall. The lighthouse stations are infrequently visited, with some being annual or biennial maintenance visits of varying lengths as detailed in the requirements document. This should be taken into account in the risk assessment. Of these buildings 66 have a water system that is supplied from either mains, private or stored water supplied by NLB tender. NLB has a duty to ensure those systems are assessed, compliant and maintained to ensure they pose no risk. It should be noted on all lighthouse station sites that the water system is used for washing, showering and flushing toilets, bottled water is provided for drinking and cooking. For mains sites bottled water is still the preferred means for drinking water. All stations with water have UV and particulate filters within the water system, unfortunately the UV system is switched off between visits and is not optimally maintained. NLB supplement the UV system by storing water automatically dosed with a silver stabilised hydrogen peroxide solution at 250 parts per million. The Northern Lighthouse Board is seeking to appoint a Contractor who will: - Undertake Legionella Risk assessments, remedial works and advise necessary control measures and testing regimes to all buildings, structures or assets with hot and cold-water systems and services at all easily accessible road end sites. For remote sites the Contractor will carry out a desk top risk assessment based on information provided by NLB. Answer ad hoc queries and provide advice on legionella related matters at NLB sites. When required, approximately every three years, the Contractor will provide suitable and sufficient training or refresher training to NLB Technicians to allow them to gather the appropriate information on the remote sites. Further information on requirements of this procurement including technical specifications can be found in Schedule 2 - Requirements Specification.
Published: 24/09/2026 16:33
This opportunity is currently OPEN. To respond to the opportunity, please click Register Interest and follow the on-screen instructions.
UK4: Tender notice Published 24/09/2026

Water Management - Legionella


Contracting authority




Contracting authority:

Northern Lighthouse Board


Public Procurement Organisation Number:

PMGV-7529-QWXG


Address:


84 George Street
Edinburgh
EH2 3DA
UK


Contact name:

Ruth Millan


Email:

Procurement@nlb.org.uk


Telephone:

0131 473 3104


Website:

https://nlb.delta-esourcing.com/


Organisation type:

MINISTRY


Devolved regulations that apply:

None




Procedure



Procedure type:


Below threshold - open competition






Dynamic market:

Not provided





Special regime:


None



Scope



Title:

Water Management - Legionella


Reference number:

ENAS/WATR/2508


Main procurement category:

SERVICES


Description:

The Northern Lighthouse Board has 208 lighthouses protecting the coastline of Scotland, the Northern Isles, The Western Isles and the Isle of Man as well as an office in Edinburgh, and bases in Oban, Inverness, Lerwick and Kirkwall. The lighthouse stations are infrequently visited, with some being annual or biennial maintenance visits of varying lengths as detailed in the requirements document. This should be taken into account in the risk assessment.

Of these buildings 66 have a water system that is supplied from either mains, private or stored water supplied by NLB tender. NLB has a duty to ensure those systems are assessed, compliant and maintained to ensure they pose no risk.

It should be noted on all lighthouse station sites that the water system is used for washing, showering and flushing toilets, bottled water is provided for drinking and cooking. For mains sites bottled water is still the preferred means for drinking water.

All stations with water have UV and particulate filters within the water system, unfortunately the UV system is switched off between visits and is not optimally maintained. NLB supplement the UV system by storing water automatically dosed with a silver stabilised hydrogen peroxide solution at 250 parts per million.

The Northern Lighthouse Board is seeking to appoint a Contractor who will: -
Undertake Legionella Risk assessments, remedial works and advise necessary control measures and testing regimes to all buildings, structures or assets with hot and cold-water systems and services at all easily accessible road end sites.
For remote sites the Contractor will carry out a desk top risk assessment based on information provided by NLB.
Answer ad hoc queries and provide advice on legionella related matters at NLB sites.
When required, approximately every three years, the Contractor will provide suitable and sufficient training or refresher training to NLB Technicians to allow them to gather the appropriate information on the remote sites.

Further information on requirements of this procurement including technical specifications can be found in Schedule 2 - Requirements Specification.
For more information about this opportunity, please visit the Delta eSourcing portal at:
https://nlb.delta-esourcing.com/tenders/UK-UK-Edinburgh:-Water-treatment-work./2TUU93H4EQ

To respond to this opportunity, please click here:
https://nlb.delta-esourcing.com/respond/2TUU93H4EQ





Total value (estimated):


GBP 124,000 excluding VAT

GBP 148,800 including VAT





Description





Description:

Not provided





Suitable for SMEs:

Yes


Suitable for VCSEs:

No




Contract dates (estimated):

09/11/2026 to 08/11/2031


CPV classifications:


45232430 - Water-treatment work.

71317200 - Health and safety services.



Contract can be extended:

No



Delivery regions:


Not provided


Award criteria:


Name: Financial Aspects / Weighting: 40

Name: Quality / Weighting: 60







Documents



Associated tender documents:


Not provided


Technical specifications:


Not provided



Submission




Enquiry deadline:

12/10/2026 Time: 16:00


Tender submission deadline:

19/10/2026 Time: 14:00


Submission address and any special instructions:

https://nlb.delta-esourcing.com/respond/2TUU93H4EQ


An electronic auction will be used:


No





Other information



Legal and financial capacity conditions of participation:

Not provided


Technical ability conditions of participation:

Not provided


Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP):

Not provided


Government Procurement Agreement (GPA):

Not provided


A conflicts assessment has been prepared and revised:

No



Other organisations


Not provided