---
title: "STDL-PROC-0118 - Suction Services"
ocid: "ocds-h6vhtk-06c1e6"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c1e6"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c1e6.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c1e6.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SOUTH TEES DEVELOPMENTS LIMITED"
published: "2026-07-02"
---

# STDL-PROC-0118 - Suction Services

Buyer: SOUTH TEES DEVELOPMENTS LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-06c1e6

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## Summary

South Tees Developments Limited, a sub-central government public authority located in Darlington, UK, has completed the award stage of a tender process for the contract titled "STDL-PROC-0118 - Suction Services". This procurement falls under the industry category of drainage works and encompasses the provision of drainage maintenance and cleansing services, including the use of tankers and support vehicles for effective operation. The contract, awarded on 25th May 2026, commenced on 1st June 2026 and is set to conclude on 31st May 2027, with a potential extension available until 31st May 2028. The total contract value amounts to £204,000, and the awarded supplier is Mantank Environmental Services Limited, located in Stockton-on-Tees.

This tender presents significant opportunities for growth, particularly for companies specialising in environmental services, waste management, and infrastructure maintenance. Small to medium enterprises with expertise in drainage works and capable of providing both reactive and planned services would find this kind of procurement particularly well-suited to their capabilities. Businesses that possess the necessary equipment and skilled labour for delivering routine and emergency maintenance services in the Teesside and broader UKC region could effectively compete and benefit from similar contracts.

## Notice

South Tees Developments Limited (STDL) ('the contracting authority') have awarded a contract to Mantank Environmental Services Limited for providing drainage maintenance and cleansing service, including the provision of tankers and appropriate support vehicles to deliver prompt, professional and safe operations. The contract covers both reactive and planned works, including the emptying and cleaning of drains, gullies and seal pots as required, together with the delivery of routine scheduled maintenance activities to support the ongoing operation.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/062018-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Below threshold - unknown |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 2 Jul 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 24 May 2026 |
| Contract period | 31 May 2026 - 31 May 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £170,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SOUTH TEES DEVELOPMENTS LIMITED |
| Locality | DARLINGTON |
| Post town | Darlington |
| Postcode | DL2 1NJ |
| Country | England |
| ITL 1 | TLC North East (England) |
| ITL 2 | TLC3 Tees Valley |
| ITL 3 | TLC33 Darlington |
| Local authority | Darlington |
| Electoral ward | Sadberge & Middleton St George |
| Westminster constituency | Stockton West |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | MANTANK ENVIRONMENTAL SERVICES |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45232452 - Drainage works

## Release History

- 2 Jul 2026 at 07:55 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/062018-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/062018-2026
  2nd July 2026 - Contract details notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06c1e6. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06c1e6.json.