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Implementation of stationary anchor devices for safe operation at the height of support of air communication lines and electric transmission lines

Journal: Pozharovzryvobezopastnost/Fire and Explosion Safety (Vol.27, No. 1)

Publication Date:

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Page : 58-67

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Abstract

The results of the analysis of the existing safety measures for the production of works at altitude on overhead lines and power lines, which indicate the problems of organizing reliable insurance against falling from a height, are given. It is shown that there is not always a technical possibility to realize the fastening of flexible anchor points for securing safety systems to VL towers, which are designed to ensure the safety of work at height. Also, problems are shown in the organization of insurance when performing work on high-voltage power lines. Specific cases have been identified where it is technically impossible to put an anchor loop on a support or there are practical difficulties in the process of dressing-releasing a flexible anchor loop, or when putting an anchor loop on a support, it slips into parts that are not designed for the maximum load, which should be 22 kN. It is concluded that the use of flexible anchor points on the supports of overhead lines is not always possible or safe, and on the poles of the transmission line in general often violates the existing labor protection rules when working at height. A number of universal technical solutions to ensure the safety of work on overhead lines and transmission lines with the help of the organization of fixed anchor points and lines on the support, equipment which it is advisable to carry out at the stage of construction or reconstruction. It is also proposed to visualize the corresponding symbols of the anchor device on the overhead lines and power lines, which will facilitate the work on planning works on the supports and will improve the safety of work at height. The expediency of introduction at the legislative level of additions to the sectoral and intersectoral labor protection requirements for the installation of a fixed anchor point for fixing safety systems in the design, construction and reconstruction of overhead lines is shown.

Last modified: 2018-10-16 21:35:11