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The paper presents the system and methodology of digital census documentation of architectural heritage, which was first time adapted and applied to the heritage of Upper Kama region. The results and cataloguing process for the historical cities of Usolye and Cherdyn are described. The main objective of the study is the structuring of information through the definition of morphology and architectural features of objects. The cataloguing idea is to describe all the architectural and urban environment elements in the historical cities Usolye and Cherdyn, and attach to the map layer-by-layer using geographic information systems. The catalogs rely on reality-based data collected using architectural survey methods. Heterogeneous information about objects is structured through a system of codes and summarized in a single database. The resulting system of digital documents designed to coherent store and simple search of information about the architecture are introduced in the article.

The possibilities and role of a three-dimensional spatial model are considered on the example of the historical and architectural Usolye Stroganovsky museum-reserve strategic master plan (Perm region). In the context of heritage preservation, the master plan was shown not only as a strategic document, but also as a communication tool between various branches of government in order to integrate heritage protection policy into the system of general urban planning policy. The methodological approach is based on use of a digital three-dimensional model obtained by laser scanning and photogrammetry. A portable and ground-based laser scanning to create the point cloud is presented. The architectural and urban planning solutions of the strategic master plan are based on the dynamic 3D model and static visualizations of individual elements. The results of virtual reconstruction are shown. The level of detail of 3D models is LOD 200. Virtual reconstruction and visualization have shown themselves not only as a reliable communication tool for the decision-making management, but also as a way to quickly obtain a complex of urban planning and design documentation suitable for reconstruction and restoration of historical and architectural heritage.

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The article address the issue of three-dimentional and spatial data integration applied to architectural heritage. Integrated approach of BIM and GIS models allow BIM models not to be limited in the description of buildings but also describe interactions of the object and surrounded environment, contributing to the management of the urban environment in an interoperable way. In this paper proposed the approach of division investigating objects on several scales. Movement from regional scaled data till building scaled data allows considering architectural monuments on every stage of the persistence. This approach described at the case study of surveying Upper Kama region. For this territory were identified several types of the environment. Within every of this types the morphology of architecture is described. All obtained data was divided considering scales and usage of BIM or GIS, or integrated models. Creation of certain model depends on analytical tasks. Such ways of the heritage digitization is a basis for future work on physical or virtual restoration.