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Contract Award Notice

Supply of Septicity Control

  • First published: 07 November 2025
  • Last modified: 07 November 2025
  • Version: N/A
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The buyer is not using this website to administer the notice.

To record your interest or obtain additional information or documents please find instructions within the Full Notice Text. (NOTE: Contract Award Notices and Prior Information Notices do not normally require a response)

Contents

Summary

OCID:
ocds-h6vhtk-04e476
Published by:
Northumbrian Water Limited
Authority ID:
AA20570
Publication date:
07 November 2025
Deadline date:
-
Notice type:
Contract Award Notice
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

NWL has a requirement for sodium nitrate 40% or calcium nitrate 45% for the purpose of Septicity Control. Anaerobic conditions on wastewater sites cause the production of hydrogen sulphide, which creates bad odours and can transform into sulphuric acid which corrodes pipes. Septicity control chemicals are used to stops hydrogen sulphide from occurring. The duration of the contract will be 3 years with an option to extend for 2 years.

Full notice text

Contract award notice – utilities

Section I: Contracting entity

I.1) Name and addresses

NORTHUMBRIAN WATER LIMITED

02366703

Northumbria House

Pity Me

DH15FJ

UK

Contact person: Jack Burgess

E-mail: jack.burgess@nwl.co.uk

NUTS: UKC14

Internet address(es)

Main address: www.nwl.co.uk

I.6) Main activity

Water

Section II: Object

II.1) Scope of the procurement

II.1.1) Title

Supply of Septicity Control

Reference number: NW2829

II.1.2) Main CPV code

24962000

 

II.1.3) Type of contract

Supplies

II.1.4) Short description

NWL has a requirement for sodium nitrate 40% or calcium nitrate 45% for the purpose of Septicity Control. Anaerobic conditions on wastewater sites cause the production of hydrogen sulphide, which creates bad odours and can transform into sulphuric acid which corrodes pipes. Septicity control chemicals are used to stops hydrogen sulphide from occurring. The duration of the contract will be 3 years with an option to extend for 2 years.

II.1.6) Information about lots

This contract is divided into lots: No

II.1.7) Total value of the procurement

Value excluding VAT: 983 791.00  GBP

II.2) Description

II.2.3) Place of performance

NUTS code:

UKC

II.2.4) Description of the procurement

NWL require an estimated bulk annual volume of 637,000 litres of Sodium Nitrate and Calcium Nitrate to be delivered across 8 different sites in the North East for the purpose of septicity control.

II.2.5) Award criteria

Quality criterion: Quality questions / Weighting: 20

Price / Weighting:  80

II.2.11) Information about options

Options: Yes

Description of options:

The initial contract term is for three years and there is an available two year extension period (3+2).

II.2.13) Information about European Union funds

The procurement is related to a project and/or programme financed by European Union funds: No

Section IV: Procedure

IV.1) Description

IV.1.1) Type of procedure

Negotiated with call for competition

IV.1.8) Information about Government Procurement Agreement (GPA)

The procurement is covered by the Government Procurement Agreement: No

IV.2) Administrative information

IV.2.1) Previous publication concerning this procedure

Notice number in the OJ S:

2025/S 000-006005

Section V: Award of contract

A contract/lot is awarded: Yes

V.2 Award of contract

V.2.1) Date of conclusion of the contract

21/10/2025

V.2.2) Information about tenders

The contract has been awarded to a group of economic operators: No

V.2.5) Information about subcontracting

Section VI: Complementary information

VI.4) Procedures for review

VI.4.1) Review body

Northumbrian Water Limited

Durham

UK

E-mail: procurement@nwl.co.uk

VI.4.3) Review procedure

Precise information on deadline(s) for review procedures:

For contracts subject to the Utilities Contracts Regulations 2016 and the Utilities Contracts (Scotland) Regulations 2016, utilities are required to incorporate a standstill period at the point information on the proposed award of the contract is communicated to tenderers. That notification is required to provide full information on the award decision. The standstill period, which will be for a minimum of 10 calendar days, provides time for unsuccessful tenderers to challenge the award decision before the contract is entered into. Where the Utilities Contracts Regulations 2016 (SI 2016 No 274) apply, provision is made for aggrieved parties who have been harmed or are at risk of harm by a breach of duty under the regulations to take action in the High Court (England, Wales and Northern Ireland). Where the Utilities Contracts (Scotland) Regulations 2016 (SSI 2016 No 49) apply, provision is made for aggrieved parties who have been harmed or are at risk of harm by a breach of duty under the regulations to take action in the Sheriff Court or the Court of Session.

VI.5) Date of dispatch of this notice

06/11/2025

Coding

Commodity categories

ID Title Parent category
24962000 Water-treatment chemicals Various chemical products

Delivery locations

ID Description
100 UK - All

Alert region restrictions

The buyer has restricted the alert for this notice to suppliers based in the following regions.

ID Description
There are no alert restrictions for this notice.

About the buyer

Main contact:
jack.burgess@nwl.co.uk
Admin contact:
N/a
Technical contact:
N/a
Other contact:
N/a

Further information

Date Details
No further information has been uploaded.

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