the undertaking of any ancillary works necessary to establish, construct, operate, maintain, repair, upgrade, decommission, or remove the works comprising the project (as described in paragraphs (a) to (c)) or any part of those works, including (without limitation)—
drainage, sewerage, telecommunication, and water supply systems:
line function services, including connection to the national grid or to any network or other electrical installations or facilities:
land disturbance activities:
investigation, mitigation, remediation, offsetting, and enhancement activities.