ABSTRACT. The article discusses densifi cation of fully urbanised territories, which causes deterioration of living conditions for tenants of neighbouring houses (third parties) due to the negative impact of construction on local environment. Specifi cally, detection of fundamental right violations during territorial planning is in focus, because not only third parties but also future tenants of the house being constructed suffer loss of healthy and harmonious work and recreational environment as a direct result of such violations. A classifi er of fundamental right violations during territorial planning was developed for that purpose. The judicial practice was analysed; persons authorised to contest environmental violations under the Law on Administrative Proceedings and the scope of their authorisation were determined. KEYWORDS:Construction investment process; Urban development; Subjective right to safe, clean and healthy environment; Defence of third party rights; Classifi cation of violations during territorial planning
In this work, the process of roofing projects' execution is considered. The proper analysis of this process is important to optimise the behaviour of a project's participants and to perform risk evaluation. The main result of this work is methodology, which can be used to optimise a project owner's decisions and potentially can be applied for risk control or integrated into expert systems. This methodology includes the application of a decision tree and AHP (analytic hierarchy process) method to perform the modelling for roof installation project selection. In the proposed approach, a decision tree describes the process with nodes representing the states of a project. The tree includes the decision on whether to sell the project results or not, which requires the estimation of the subjective opinion of the project owner. These subjective values are used in the decision tree leaves. We propose to perform this estimation with the AHP method and describe how to do it in this paper. A particular example was considered. The proposed methodology was applied to that case, and all details of the process and results are provided. Using the proposed methodology, the adapted version of a specific, current situation model of project participants' behaviours can be formed, allowing one to make the most efficient decisions in the light of the existing constraints. The application of results can increase the investor protection and contribute to the general sustainability of investments.
Abstract:In this article, the modelling of the judicial conflict-resolution process is considered from a construction investor's point of view. Such modelling is important for improving the risk management for construction investors and supporting sustainable city development by supporting the development of rules regulating the construction process. Thus, this raises the problem of evaluation of different decisions and selection of the optimal one followed by distribution extraction. First, the example of such a process is analysed and schematically represented. Then, it is formalised as a graph, which is described in the form of a decision graph with cycles. We use some natural problem properties and provide the algorithm to convert this graph into a tree. Then, we propose the algorithm to evaluate profits for different scenarios with estimation of time, which is done by integration of an average daily costs function. Afterwards, the optimisation problem is solved and the optimal investor strategy is obtained-this allows one to extract the construction project profit distribution, which can be used for further analysis by standard risk (and other important information)-evaluation techniques. The overall algorithm complexity is analysed, the computational experiment is performed and conclusions are formulated.
The article analyses the possible influence of third-party rights infringed during construction planning on the implementation of an investment project. In a construction project, judicial disputes are an unwanted risk factor, which may disrupt the entire project. It is therefore necessary to plan and apply preventive measures for the mitigation of such risk in the initial planning stage of a construction project. The article, for that purpose, presents modelling a dispute between investors and third persons on allegedly violated third-party rights with the help of a tree that illustrates the possible actions of the dispute parties. A mathematical model for dynamic programming the dispute on allegedly violated third-party rights has been developed; it helps to determine the optimal investor's strategies for each situation that involves decision-making. Santrauka Nagrinėjama, kaip trečiųjų asmenų teisių pažeidimai, planuojant statybas, gali veikti investicinio projekto įgyvendinimą. Įgyvendinant statybos projektą, teisminio ginčo atsiradimas yra nepageidaujamas rizikos faktorius, galintis sužlugdyti visą projektą. Todėl vykdant statybos projektą jau pradiniame projekto planavimo etape būtina numatyti ir taikyti prevencines priemones tokios rizikos mažinimui. Siekiant šio tikslo straipsnyje atliktas ginčo tarp investuotojų ir trečiųjų asmenų dėl galbūt pažeistų trečiųjų asmenų teisių modeliavimas, sudarant ginčo šalių elgsenos variantų formavimo medį. Sudarytas ginčo proceso dėl galbūt pažeistų trečiųjų asmenų teisių dinaminio programavimo matematinis modelis, leidžiantis nustatyti optimalias investuotojo strategijas kiekvienoje situacijoje, kai reikia priimti sprendimus.
This research is dedicated to the modelling of decision process occurring during the implementation of construction projects. Recent studies generally do not assess the robustness of the decisions regarding the possible changes during the construction project implementation. However, such an assessment might increase the reliability of the decision-making process. We addressed this gap through a new model that combines the decision-making process modelling with the AHP method and includes the analysis of model stability concerning stakeholders’ behaviour. We used the Analytic Hierarchy Process (AHP) and Decision tree methods to model the decision-making process. The proposed model was validated on a case study of multiple construction projects. The assessment was performed from individual investor’s and independent expert’s perspectives. The criteria for the assessment were selected according to the principles of sustainability. We performed the sensitivity analysis, making it possible to assess the possible changes of the decisions depending on the potential patterns of the decision-makers’ behaviour. The results of the study show that, sometimes, small fluctuations in the project factors affect the project selection indicating the possible lack of the robustness of the project decisions.
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