“But whilst other considerations will properly be subordinated to any safety-related considerations with which the former are irreconcilably inconsistent, where two (or more) alternative courses of action are open to CASA, each equally conducive to optimal safety outcomes, but one less burdensome or economically problematic than another for a person whose rights, interests or legitimate expectations will be affected by CASA’s actions, CASA is effectively obliged to entertain and, in the absence of any other legitimate and legally sustainable reasons for not doing so, to adopt the less burdensome option”. To be sure!
Use the most cost effective solution where two or more options exist offering the same levels of safety?
But I guess it could mean whatever they want it to mean.