The results of the appraisal need to form a central element of the business case for each initiative submitted to Infrastructure Australia. The appraisal needs to comply with this guide. Proponents need to provide Infrastructure Australia with:
• Completed templates as set out in appraisal summary results Tables 1 -5 below;
• Full Business Cases; and
• Where available, a series of supporting documentation, including:
o A detailed, independent, report setting out predicted demand and the basis/drivers for any changes in demand;
o A detailed, independent specialist cost estimation report, which provides at least a P90 level cost estimation where appropriate; and
o A detailed report of the economic appraisal methodology, including a full explanation of all parameters used and sensitivity tests applied.