This document contains a generic reference workflow model for the transfer, ingest, storage and access workflows of audiovisual files and metadata to and within the Digital Archivel of the NISV. The underlying standards are clarified (OAIS, PREMIS). The scope of the model is described, as is the composition of the Information objects or meta(data)packages (SIP, AIP and DIP) that are processed from ingest throughout storage and access. The document also provides an introduction to the structure, contents and underlying standards of the Preservation Metadata Dictionary V1.2, a formal part of the Information model. In this PMD all technical, administrative , descriptive and workflow metadata, that may play a role in the archival and preservation process, are identified and defined.