Source Documents
These are the council documents used to build the FNDC calculator. If a link is broken, the document may have moved on the council website.
FNDC Engineering Standards (May 2023)
Calculation Methodology
Design event: 10-year (10% AEP)
Method: Engineering Standards (May 2023)
Developed from Whangarei District Council standards. Engineering Design Approval (EDA) required for all works impacting FNDC assets.
Design Requirements
- FNDC Engineering Standards May 2023
- EDA required for works impacting FNDC assets
Submission
Required Documents
- Engineering Design Approval application
- Stormwater design
- Engineering plans
Contact
Last verified: April 2026 · NZ Detention Tank Calculator