Friday 17 April 2026

Uisce Éireann has issued Quality Alert QA‑03 (Revision 1.0, effective March 30, 2026), following a number of performance issues observed on infrastructure projects relating to manhole covers installed in roadways.

While the affected installations met the minimum specified load class requirements, subsequent investigation identified that wider site‑specific risk factors were not sufficiently considered at design and approval stage.

This quality alert formalises a message that has been emerging across live projects: meeting the minimum specification does not, on its own, guarantee long‑term performance in service.

For designers, the alert represents a clear shift from specification led compliance to risk‑led engineering assessment.

What triggered the alert?

The reported failures did not arise because the products were non‑compliant. In most cases, manhole covers met the required D400 load class in accordance with the Uisce Éireann General Civil Specification (IW‑TEC‑300‑01).

The problem was that design decisions relied too heavily on load class alone, without adequately considering how covers would perform under real road conditions. EN 124:2015 D400 offers limitations in practice as it mandates compliance with minimum performance specifications

In other words, the context of installation should be the critical factor in product approval.

What Uisce Éireann now expects

With immediate effect, Uisce Éireann requires that designers and approvers assess manhole cover selection holistically, rather than treating D400 as a universal solution for all roadway environments.

Designers must now explicitly consider, document and justify cover selection with reference to:

• Traffic volume and traffic speed;
• The proportion and frequency of heavy goods vehicles;
• The position of the cover relative to wheel paths;
• The operational context, including access, maintenance and safety requirements.

Importantly, resident engineers (REs) and employers' representatives (ERs) are instructed not to accept compliance on specification alone where site conditions indicate elevated risk.

Design responsibility and traceability

Design risk assessments (DRAs) are specifically called out. They must now clearly identify risks associated with manhole cover selection and demonstrate how those risks have been mitigated. Where alternative covers or standard details are proposed, a higher level of scrutiny and justification is expected as part of the design submission.

A shift in mindset

This quality alert creates an opportunity for the industry to move the conversation away from lowest‑cost compliance and towards whole‑life performance and risk management. From a safety perspective, this approach should reduce the likelihood of premature failures, with clear benefits for road users, operational staff and asset owners alike.

For designers, the message is clear: selection must be defensible in context, not just compliant on paper.

Contact us – EJ Access Solutions – to organise a Lunch & Learn CPD session 'Technical Guidance Workshop: Manhole Cover Selection for Safer Roads and Water Networks'.

Call our Business Development team on 057 912 3100 for further information.