Writes for professional practices and designer contractors. States that poor information from the building services design office has been identified as a source of contractual conflict. Presents a manual intended as an example procedure to guide designers through the process of producing, on time, a set of documents that will permit the return of fair unqualified tenders, and go on to ensure that adequate information is provided on site. Links the recent work of the CCPI, BRE, NES and BSRIA and provides an outline to the management of engineering services design information flow. Section headings are - Introduction, Design briefing, The production of design drawings, The specification. Provides additional information in appendices.