4 September 2026

This report summarises the audit activities and outcomes during the 6-month period covering tunnel package construction activities by Spark from November 2025 to April 2026.

Five audits were conducted during the audit period.

A total of 23 audit findings were raised comprising 4 Non-compliances, 8 Areas for Improvement, and 11 Observations.

Spark established corrective actions to address the audit findings. At the end of the reporting period, 6 findings remained open.

The overall outcomes of the audits conducted showed that Spark has improved their implementation of environmental management processes.