secondly, bbn is a block book notation and this is a public service that allows a member of the public to receive the notice before the planning department approves the permit for a property. and bbn are intenlded to provide, the requestor notice of application, reviewed by the planning department, and that they may not receive otherwise. and in this case, the dr requestor is also the adjacent neighbor. and therefore, was mailed a copy of the 311 notice as verified by the neighbor mailing list on file with the project. receipt of the 311 notice, also served to satisfy the dbn requirement eliminating the duplicate notice requirement, the dr requestor disagree and argues that she should have received a notice earlier as the bbn holder which is not the case. the dr requestor also argues that she should have received notice that the environmental application under which the department made its determination, about the project, should have been noticed to her, upon its submitle also, as a bbn holder which is not the case, however the 311 notice also serve to notify the public that the depar