Noise Abatement Ordinance
(NAO)

The op­er­a­tion of new or sig­ni­fic­antly mod­i­fied sta­tion­ary in­stall­a­tions must not lead to a situ­ation in which:

a.

ow­ing to the in­creased de­mand made on a trans­port fa­cil­ity, the im­pact thresholds are ex­ceeded; or

b.

ow­ing to the in­creased de­mand made on a trans­port fa­cil­ity in need of re­medi­ation, the noise ex­pos­ure level rises per­cept­ibly.