Whereas Dublin City Council is of the opinion that behaviour consisting of the consumption of intoxicating liquor on roads, beaches and in other public places is contrary to the proper use, operation, protection, regulation or management of such roads and other public places under its control or management in that such behaviour seriously detracts from the proper purpose, amenity and enjoyment of such roads and public places and is of the opinion that it is desirable in the interest of the common good of the local community that the consumption of intoxicating liquor on roads, beaches and public places should be controlled.