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  • Organization of dispatch service from the point of improving the quality of constructing main pipelines

    The article considers the problem of information support of constructing, namely, organization of dispatch service within constructing main pipelines. This aspect of organization of construction was chosen as an object of research due to the problem of increasing efficiency in the process of quality control of the construction of main pipelines. The article describes such dispatching problems as minimal distribution of software for construction control, coordination of dispatcher functions within the framework of one department, as well as clearly defined responsibility of builders for the poor quality of information provided. The author proposes to introduce delegation of authority of the dispatching service to all departments of the enterprise within their competence. In the future, this should provide a quick response to the negative consequences that develop during the construction period in all aspects, including quality control.

    Keywords: dispatching service; main gas pipeline; information flows, executive documentation; delegation; automation; building information modeling

  • The use of statistical methods to determine the quality of the construction of trunk pipelines in the regions of the Far North

    The theme of the work is dedicated to the problem of quality assessment of constructing of a linear part of the main pipeline in the extreme north. Constructing of objects in permafrost areas is related to extra activity about maintenance of efficiency of the pipeline system. Extra difficulty while constructing of a linear part of the main pipeline is caused by tougher requirements for regulatory documentation to the work performed. These facts colour quality assessment of the object to be constructed. The task is developing a method of the quality assessment of construction and installation works that responds to the parameters of data collecting speed and calculation simplicity. During the developing of the a method of the quality assessment of a linear part of the main pipeline the method of analytical hierarchy process was used, for getting the nomenclature of the most important jobs from the perspective of the safety of the object. Methods in mathematical statistics was used for processing of the results of the measurement made. Hypothesis testing method allowed receiving the confidence interval for the sample of random variables. Practical benefit of the work is obtaining the method of the quality assessment, which allows to make conclusions about the quality of objects constructing using publicly available data on the work process.

    Keywords: method of analytical hierarchy, Student coefficient, general population, confidence interval, single indicators