---
title: "The Supply, Deliver and Installation of Trickling Filters"
ocid: "ocds-h6vhtk-066871"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066871"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-066871.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-066871.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "SCOTTISH WATER"
published: "2026-03-12"
---

# The Supply, Deliver and Installation of Trickling Filters

Buyer: SCOTTISH WATER  
Current stage: Tender  
OCID: ocds-h6vhtk-066871

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## Summary

The procurement process initiated by Scottish Water is focused on the supply, delivery, and installation of trickling filters within their operational areas, including remote locations in the Highlands and Islands of Scotland. This active tender, with the identifier SW26/W&WTE/1535, falls under the services category of removal services of biological waste, as per CPV classification 90524300. The procurement is currently in the tender stage, with a submission deadline of 30 March 2026. It is executed via a negotiated procedure with prior competition call and is subject to a framework agreement, allowing for a maximum participation of 999 suppliers. Scottish Water, located in Glasgow, is the buying organisation, and interested parties are encouraged to submit electronically through the provided link for project access.

This procurement tender presents substantial business growth opportunities, particularly for organisations specialising in water treatment technologies and biological waste removal services. With a contract value of up to £2,400,000 across two lots, including options for extensions, companies involved in design, manufacturing, or installation of water treatment equipment may find this tender appealing. The business suited to participate would include suppliers of nitrifying trickling filter package plants, biological wastewater treatment distributors, and related services, as extensive design and refurbishment tasks form part of the requirements. These businesses will benefit from a comprehensive installation and maintenance component, offering opportunities for ongoing service provision and sector-specific expertise utilisation in the expansive and diverse Scottish market.

## Notice

Scope and description of requirement the scope is for the Supply, Delivery and Installation of Trickling Filters across all Scottish Water operational areas, including remote regions such as the Highlands and Islands. More information on the requirements and specifications can be found within the internal documents folder within Atamis. Contract duration 4-year initial term with 4 x 1-year extension options. The break points in the contract will allow SW to review the market and ensure the product is still fit for purpose and providing value for money.
Lot 1 Supply and-or Refurbishment of Distributors for Biological Waste Water Treatment. Approx PS900K for initial 4-year term (PS1.8m including extensions). Scope of the supply covered by this agreement:
1. Specification, Design, Manufacture and/or Procurement.
2. Installation and Installation Management.
3. Testing, Commissioning and Training.
4. Ongoing Servicing, Support and Maintenance.
5. Documentation / Manuals.
6. Opex analysis.
The plant and equipment included in this procurement includes but is not limited to:
1. Conventional Jet Reaction Drive. 
2. Paddle Wheel Drive.
3. Peripheral Powered Drive. 
4. Centrally Powered Drive.
5. Tubular Distribution Arms. 
6. Open-Trough Distribution Arms.

Lot 2 Complete Nitrifying Trickling Filter Package. Approx PS300K for initial 4-year term (PS600K including extensions). The scope of the supply covered by this agreement is for the surveying, design, manufacturing, works testing (where required), delivery, offloading, installation, commissioning and testing of Nitrifying Trickling Filter Package Plant and Equipment and all necessary ancillary equipment. The work scope will include, but will not be limited to:
1. Specification, Design, Manufacture and/or Procurement.
2. Installation and Installation Management.
3. Testing, Commissioning and Training.
4. Ongoing Servicing, Support and Maintenance.
5. Documentation / Manuals.
The plant and equipment included in this procurement includes but is not limited to:
* Filters.
* Media (Various Types).
* Distributor Arms.

### Lot Information

Complete Nitrifying Trickling Filter Package

The Supply, Delivery and Installation of Trickling Filters
Lot 2 Complete Nitrifying Trickling Filter Package. Approx PS300K for initial 4-year term (PS300K including extensions). The scope of the supply covered by this agreement is for the surveying, design, manufacturing, works testing (where required), delivery, offloading, installation, commissioning and testing of Nitrifying Trickling Filter Package Plant and Equipment and all necessary ancillary equipment. The work scope will include, but will not be limited to:
1. Specification, Design, Manufacture and/or Procurement.
2. Installation and Installation Management.
3. Testing, Commissioning and Training.
4. Ongoing Servicing, Support and Maintenance.
5. Documentation / Manuals.
The plant and equipment included in this procurement includes but is not limited to:
* Filters.
* Media (Various Types).
* Distributor Arms. Additional information: Addition CPV Code - 42912350

Supply and-or Refurbishment of Distributors for Biological Waste Water Treatment

The Supply, Delivery and Installation of Trickling Filters
Lot 1 Supply and-or Refurbishment of Distributors for Biological Waste Water Treatment. Approx PS900K for initial 4-year term (PS1.8m including extensions). Scope of the supply covered by this agreement:
1. Specification, Design, Manufacture and/or Procurement.
2. Installation and Installation Management.
3. Testing, Commissioning and Training.
4. Ongoing Servicing, Support and Maintenance.
5. Documentation / Manuals.
6. Opex analysis.
The plant and equipment included in this procurement includes but is not limited to:
1. Conventional Jet Reaction Drive.
2. Paddle Wheel Drive.
3. Peripheral Powered Drive.
4. Centrally Powered Drive.
5. Tubular Distribution Arms.
6. Open-Trough Distribution Arms. Additional information: Addition CPV Code - 42912350

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/022352-2026 |
| Notice type | Tender Notice |
| Procurement type | Framework |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Negotiated procedure with prior call for competition |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 12 Mar 2026 |
| Submission deadline | 30 Mar 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £2,400,000 |
| Lots value | £2,400,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SCOTTISH WATER |
| Locality | GLASGOW |
| Post town | Glasgow |
| Postcode | G33 6FB |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM3 West Central Scotland |
| ITL 3 | TLM34 North Lanarkshire |
| Local authority | North Lanarkshire |
| Electoral ward | Stepps, Chryston and Muirhead |
| Westminster constituency | Cumbernauld and Kirkintilloch |
| Delivery location | TLM Scotland |

## CPV Codes

### Divisions

- 90 - Sewage, refuse, cleaning and environmental services

### Codes

- 90524300 - Removal services of biological waste

## Release History

- 12 Mar 2026 at 14:02 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/022352-2026

## Notice URLs

- https://atamis-scottishwater.my.salesforce-sites.com/ProSpend__CS_PublicLandingPage?SearchType=Projects
- https://www.scottishwater.co.uk/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066871. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-066871.json.