---
title: "Spray Waterproofing C4-KCSL"
ocid: "ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "KILNBRIDGE CONSTRUCTION SERVICES LTD"
published: "2025-01-28"
---

# Spray Waterproofing C4-KCSL

Buyer: KILNBRIDGE CONSTRUCTION SERVICES LTD  
Current stage: Tender  
OCID: ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a)  
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## Summary

Kilnbridge Construction Services Ltd is inviting tenders for the project titled "Spray Waterproofing C4-KCSL," categorised under "Waterproofing work" within the industry of services. This is part of the HS2 Old Oak Common Station Works Package WP13.1-Urban Realm Civils, Utilities and Earthworks, requiring waterproofing of roof slabs for Western HS2 and GWML attenuation tanks in London, United Kingdom. The procurement stage is currently in the tender phase, with an end date for the tender period set for 31st January 2025. The contract is expected to commence on 27th June 2025 and will last until 30th June 2028. The project has an estimated value of GBP 150,000.

This tender presents significant opportunities for businesses specialising in structural waterproofing systems, particularly those experienced with BBA certified liquid applied spray membranes. Companies looking to expand their portfolios with high-profile infrastructure projects would find this tender advantageous. It is particularly well-suited for firms adept at handling detailed construction requirements and rigorous certification protocols. The project's design life of 120 years and the specification for a BBA certified finish make it ideal for businesses aiming to demonstrate high-quality, long-term solutions in demanding environments.

## Notice

Kilnbridge have secured the HS2 Old Oak Common Station Works Package WP13.1-Urban Realm Civils, Utilities and Earthworks. Part of this scope requires the installation of waterproofing to the roof slabs of the Western HS2 attenuation tank and the GWML attenuation tank. Western HS2 Attenuation tank roof slab to be waterproofed = 1379m2. GWML Attenuation tank roof slab to be waterproofed = 225m2 Works are expected to be completed in 2 to 3 mobilisations commencing in Q4 2025 and Q4 2026. The waterproofing systems shall be a spray applied membrane to BBA certification. The membrane is to be applied to an in-situ concrete substate and achieve a U4 finish compatible with system requirements and BBA Roads and Bridges Certification requirements. Coatings shall be a BBA certified liquid applied structural waterproofing system suitable and certified for below grade applications on horizontal surface. The design life is 120years. All necessary precautions shall be taken to protect membrane from damage during construction operations. All Testing shall be in accordance with BBA certification requirements.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/d0775143-1676-4a63-bdd7-f55899ed4ab9 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 28 Jan 2025 |
| Submission deadline | 31 Jan 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 26 Jun 2025 - 30 Jun 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £150,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | KILNBRIDGE CONSTRUCTION SERVICES LTD |
| Locality | LONDON |
| Post town | East London |
| Postcode | E16 4TL |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI4 Inner London - East |
| ITL 3 | TLI41 Hackney and Newham |
| Local authority | Newham |
| Electoral ward | Canning Town North |
| Westminster constituency | West Ham and Beckton |
| Delivery location | TLI London |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45261420 - Waterproofing work

## Release History

- 28 Jan 2025 at 11:00 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/d0775143-1676-4a63-bdd7-f55899ed4ab9

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/d0775143-1676-4a63-bdd7-f55899ed4ab9
  28th January 2025 - Opportunity notice on Contracts Finder
- https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=89870872
  Please follow this link to view the notice.

## 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-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-76b97ab6-4dab-4836-a169-8473b660836a.json.