The basis of the state policy of preservation of cultural heritage objects is the maintenance of the state register of such objects. The occasion for inclusion in the register are recorded in a special document . This document is The draft of the subject matter of protection (DSMP). The paper discusses the methodological issues of the development of this document. The principles that should be the basis for the formation of the project are formulated. In modern practice, the development of DSMP is carried out mainly by architects with the participation of art historians. At the same time, it is necessary to increase the role of the engineer-restorer in the research of features, authenticity, historical and cultural value of structures and other engineering aspects of the existence of the monument. This is confirmed in the analysis of literary sources, and follows from the practical experience of the authors. In conclusion, the article formulates proposals for the content of the work of the engineer-restorer and measures to enhance its role in developing the DSMP.

Keywords: draft subject of protection, cultural heritage, historical and cultural monument, engineer-restorer, historical constructions