Development of approaches to capital investments estimation at conceptual design stage by object structure unification

UDK: 336.5:622.276.012:69

DOI: 10.24887/0028-2448-2026-6-66-70

Key words: capital construction objects, conceptual design, unified classifier of surface infrastructure objects, comparables, object cost estimation, capital investment dynamics, economic estimation, RN-ALPHA

Authors: V.G. Chayko (Rosneft Oil Company, RF, Moscow); L.T. Faizullina (Rosneft Oil Company, RF, Moscow); M.A. Kryazhkov (Rosneft Oil Company, RF, Moscow); E.L. Erofeev (RN-Upstream design LLC, RF, Tomsk); V.A. Kolmogorova (RN-Upstream design LLC, RF, Tomsk); D.V. Krokhmal (RN-Upstream design LLC, RF, Tomsk); A.L. Hohlov (RN-Upstream design LLC, RF, Tomsk); A.V. Vykhodtsev(RN-Upstream design LLC, RF, Tomsk)

The use of comparables is a traditional approach for estimating investments in a prospective capital construction projects at the conceptual design stage. The application of this approach is complicated by the problem of correct comparable choose and correct determination of the prospective object key attribute in order to recalculate the cost of comparable, as well as the need to plan the dynamics of investments depending on various factors. The solution is to perform the estimation within a unified digital ecosystem that brings together specialists and experts and is based on a unified object structure – unified classifier of surface infrastructure objects. The article describes the process of selecting a comparable in a unified digital ecosystem using the prospective database of comparables and the automated selection algorithm. The existence of the database and the automated algorithm significantly simplifies the process of selecting and approving comparable objects. To simplify the process of cost recalculation from a comparable to an object being evaluated, unified methodological approaches for performing calculations are proposed. To compensate for the shortcomings associated with the stage of forming the dynamics of capital expenditures, a process flow for forming the dynamics of investments at the conceptual stage of work based on the developed layout-graph is proposed. The proposed changes to the investments calculation process are implemented as the «Dynamics of Capital Investments» plugin of the unified digital platform «RN-ALPHA».

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