ISO

NCL-2026-0002

Eff ps chamber imploded

Summary

Logged Date
2026-01-28
Owner
Rob Preston
Party
Kevin Whitmarsh
Area
install - Shaun C
Priority
Standard
Resolved Date
2026-05-05
Signed Off By
Luke Shepherd

Problem

Eff PS chamber imploded due to external ground water pressure, wet weather.

Investigation And Action

Corrective Action

Excavate and reinstall PS in dry conditions; PS to be surrounded in concrete as per original corrective action.

Customer Feedback

Customer engaged; accepted remedial works and communication was maintained.

Root Cause

Job proceeded during adverse weather/high water table rather than postponing high-risk excavation work.

Preventative Action

Monitor weather forecasts and water table risk; include weather/water-table check in pre-install decision checklist and postpone where required.

Review Effectiveness

Tony Robinson project was postponed as a direct follow-up; system asked to close record.

Status Update

Use this panel for all status changes. Main edit form does not change status.

Status History
FromToChanged AtByNote
InitialResolved2026-05-05 21:11:19management reviewTranscript summary: Effluent PS chamber imploded due to high water table and wet weather. Team concluded job proceeded in adverse conditions and should have been postponed; Tony Robinson project was postponed as a lesson learned. Closed after lessons learned; monitoring and postponement practiced on subsequent projects (Tony Robinson). Root cause check: strong - Discussion directly linked failure to adverse weather and the decision to proceed; concrete follow-up action taken (postponement and lessons applied).
-Initial2026-01-28 11:32:35anonymous-