The Sunfield expert panel issued Minute 13, directing expert conferencing to take place on multiple topics.

Minute 13 of the panel (PDF, 157KB) 

Expert conferencing regarding transportation

Expert conferencing took place on 11 November 2025 between Ian Smallburn, Simon Ash, David Osborne and Leo Hills for the Applicant, Liam Winter and Leon Langton for NZTA, Martin Peake for Auckland Transport, and Dave Marcellus and Rachel Morgan for Ardmore Airport. A joint witness statement was then provided to the Sunfield expert panel. 

Transportation agenda (PDF, 191KB)

Sensitivity testing/staging assessment by Commute (PDF, 1.3MB)

Transportation experts joint witness statement (PDF, 121KB) 

"Will say" statements

John Parlane for 897 Alpha Limited statement (PDF, 94KB)

Martin Peak, Craig Richards and Saulius Vingrys for Auckland Transport statements (PDF, 221KB)

Expert conferencing regarding highly productive land

Expert conferencing took place on 17 November 2025 between Dr Reece Hill, Phil Osborne and Jeremy Hunt for the Applicant and Dr Dani Guinto, Ruth Underwood and Dr Richard Meade for Auckland Council. A joint witness statement was then provided to the Sunfield expert panel. 

Highly productive land agenda (PDF, 108KB)

Highly productive land experts joint witness statement (PDF, 204KB) 

"Will say" statements

Dr Dani Guinto for Auckland Council statement (PDF, 153KB)

Dr Richard Meade for Auckland Council statement (PDF, 210KB)

Ruth Underwood for Auckland Council statement (PDF, 1MB)

Expert conferencing regarding water supply

Expert conferencing took place on 18 November 2025 between Will Moore and Jignesh Patel for the Applicant, Tim Scheirlinck and Edzard Verseput for Auckland Council, and Sanjeev Morar for Veolia. A joint witness statement was then provided to the Sunfield expert panel. 

Water supply agenda (PDF, 142KB)

Water supply experts joint witness statement (PDF, 118KB) 

"Will say" statements

Tim Scheirlinck and Ezard Verseput for Watercare Services Limited statements (PDF, 128KB)

Expert conferencing regarding wastewater

Expert conferencing took place on 20 November 2025 between Will Moore, Jignesh Patel and Robert White for the Applicant, Andrew Deutschle and Maria Utting for Auckland Council, and Sanjeev Morar for Veolia. A joint witness statement was then provided to the Sunfield expert panel. 

Wastewater agenda (PDF, 178KB) 

Wastewater experts joint witness statement (PDF, 134KB) 

"Will say" statements

Andrew Deutschle and Maria Utting for Watercare Services Limited statements (PDF, 227KB)

Expert conferencing regarding stormwater and groundwater

Expert conferencing took place on 21 November 2025 between A joint witness statement was then provided to the Sunfield expert panel. 

Stormwater and groundwater agenda (PDF, 178KB) 

Stormwater and groundwater experts joint witness statement (PDF, 171KB) 

"Will say" statements

Andrew Chin, Dr Roja Tafaroji and Grant Murray for Auckland Council and Griffin Benton-Lynne for Auckland Transport statements (PDF, 330KB)

Jayson Keyte for NZTA statement (PDF, 14KB)

Joel Worth for Sunfield statement (PDF, 166KB)

Rose Mason for 897 Alpha Limited statement (PDF, 138KB)