O17 Investigation of Factors Affecting Fish Passage in Culverts: Part 2 (2020–21) Development of Precast or Prefabricated Box Culvert Design Concept for Fish Passage

November 24, 2025

Currently in Queensland, waterway barrier works approvals are required for the installation of culverts in waterways where fish passage is of concern. The Queensland Department of Agriculture and Fisheries (DAF) Accepted Development Requirements for raising or constructing Waterway Barrier Works (ADR) specify full-height corner-angle baffles where baffles are stipulated.