Scope
Description
This Contract is for the supply and delivery of the following Goods: -
Lot 1- Supply and Delivery of Liquid Oxygen to NI Water Alpha site at Dunore Point including lease, maintenance of bulk storage vessels and ancillary equipment as required. All maintenance, testing and certification is to be included within the leasing agreement.
Lot 2- Supply, delivery of Liquid Oxygen to Castor Bay. Supply, delivery and installation of bulk storage vessels and all associated equipment as required. The ownership of the vessel will remain with the successful Supplier and will be leased by NIWA. All maintenance, testing and certification is to be included within the leasing agreement.
Total value (estimated)
- £4,942,800 including VAT
Above the relevant threshold
Contract dates (estimated)
- 23 February 2026 to 22 February 2031
- Possible extension to 22 February 2034
- 8 years
Description of possible extension:
Three optional extension periods of one year (1+1+1years)
Options
The right to additional purchases while the contract is valid.
The Client reserves the right to purchase the following additional Goods or Services under this Contract during the Contract Period: -
• Utilise the Supplier to provide any additional goods and services associated with supply and optimisation of liquid oxygen for water and wastewater treatment.
• Maintenance of onsite equipment or storage tankers
• Installation of tanks at other NI Water sites in line with operational requirements
Main procurement category
Services
CPV classifications
- 24000000 - Chemical products
- 41110000 - Drinking water
- 50000000 - Repair and maintenance services
Lot 1. Supply and Delivery of Liquid Oxygen to NI Water Alpha site at Dunore Point
Description
Supply and Delivery of Liquid Oxygen to NI Water Alpha site at Dunore Point including lease, maintenance of bulk storage vessels and ancillary equipment as required
Lot value (estimated)
- £2,965,680 including VAT
Same for all lots
CPV classifications, contract dates and options are shown in the Scope section, because they are the same for all lots.
Lot 2. Supply, delivery of Liquid Oxygen to Castor Bay.
Description
Supply, delivery of Liquid Oxygen to Castor Bay. Supply, delivery and installation of bulk storage vessels and all associated equipment as required
Lot value (estimated)
- £1,977,120 including VAT
Same for all lots
CPV classifications, contract dates and options are shown in the Scope section, because they are the same for all lots.
Submission
Enquiry deadline
2 December 2025, 11:59pm
Submission type
Requests to participate
Tender submission deadline
9 December 2025, 11:59pm
Submission address and any special instructions
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
10 February 2026
Recurring procurement
Publication date of next tender notice (estimated): 10 November 2033
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Price | Price | 100% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
The Competitive Flexible Procedure is described in the CfT documents which are available on eTendersNI.
Contracting authority
Northern Ireland Water Limited
- Public Procurement Organisation Number: PCZH-7295-JJTZ
Westland Road
Belfast
BT14 6TE
United Kingdom
Email: sourcing@niwater.com
Region: UKN06 - Belfast
Organisation type: Public authority - sub-central government