Improvement of The Safety Systems for Working at Heights on Transmission Towers

Pham, Nam Thanh; Lelikov, Georgy; Korolchenko, D. A.

doi:10.1088/1757-899x/365/4/042054

Cited by 12 publications

(4 citation statements)

References 12 publications

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“…In the article, we have analyzed the main regulatory and technical documents used in the construction of buildings with the use of greening systems, considered the basic safety requirements when working at height, and also evaluated the application of standards in the field of environmental certification of materials of new technologies used, developed by authors. The Russian scientists have conducted research on the approach to high-rise operations safety [11][12][13][14][15][16][17]. In addition, the high-rise operations safety closely related to the roof structure and development of green technologies and environmental safety facilities [18][19][20][21][22][23][24].…”

Section: Resultsmentioning

confidence: 99%

Ensuring the projects’ environmental safety based on a risk-based approach

Shushunova,

Lisienkova,

Rodionova

et al. 2023

E3S Web Conf.

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The modern construction pay attention to fundamentally new requirements, the quality of products and service and improve the quality management system of green building and environmental safety facilities. The integration of new energy efficient technologies and energy efficient buildings is one of the priority options in the development of modern cities. The article use the methods of comparative analysis of the various international standards of green buildings and eco-certification of greening systems were applied, based on a risk-based approach. Risks are calculated using complex methods. The assessment of green building sustainability was considered as is a key factor of reducing technogenic risks and be the guarantee that the green building is environmentally friendly. The analysis showed the main regulatory and technical documents used in the construction of buildings with the use of greening systems, considered the basic safety requirements when working at height, and also evaluated the application of standards in the field of environmental certification of materials of new technologies used, developed by authors.The ecological certificate allows to increase the competitiveness of products in the market, which is economically beneficial.The principles of green building are aimed at creating a healthy and comfortable environment due to a large amount of daylight and fresh air.

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Section: Resultsmentioning

confidence: 99%

Ensuring the projects’ environmental safety based on a risk-based approach

Shushunova,

Lisienkova,

Rodionova

et al. 2023

E3S Web Conf.

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“…One of the mechanisms for improving safety when performing work at a height is the use of certified, convenient means of individual and collective protection, as well as the use of various stationary systems that ensure the safety of the user when performing work at height [2][3][4][5]8].…”

Section: Introductionmentioning

confidence: 99%

Safety cages efficiency during ascent and descent on vertical ladders

Vasilenko,

Zherdev

2023

E3S Web Conf.

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Issues of ensuring the safety of working on height do not lose their relevance. Civil engineering is in the first place of the amount of injuries and deaths. It accounts for 17% of the structure of the main types of economy activity. The main reason of injuries is the fall from a height (30.5% of all injuries) More than 40% of accidents are lethal or cause partly or complete inability to work. The paper considers safety during ascent and descent on caged ladders, representing a way of collective protection. The construction of vertical ladders, arc cages and the mechanic of worker ascent are considered. Preliminary kinematic model of human fall has been considered during tests, using falling mannequin on caged ladders, with additional safety systems and without them. The analysis show, that caged ladders cannot provide enough protection and create an imaginary protection threat especially when the construction has three vertical bars, which has been set and tested. There is a high probability of falling on the ground or another platform. The paper shows, that cages are not as safe as personal protection equipment, installed on ladders. Some normative documents about vertical ladders allow falling from height less than 10m, which raises many questions about the safety of using that standards.

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“…The greatest number of fires from cable products occurs in the residential sector, where the greatest number of deaths was also recorded. It has been established that burning polymer compositions produce suffocating and poisonous substances such as carbon monoxide, nitrogen oxide, hydrogen sulfide, hydrogen chloride, formaldehyde and several other compounds, which, if inhaled, may provoke respiratory tract disorders or cause death [18][19][20]. Particularly dangerous is carbon oxide, which is formed by burning almost all materials and in most cases is the cause of casualties in fires.…”

Section: Introductionmentioning

confidence: 99%

Operation of cable lines under fire conditions

2020

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Branched cable communications are carriers of fire load, they are tracks along which fire spreads in buildings and structures. Therefore, currently, fire safety of cables is one of the most important tasks of the cable industry. The spread of flames in vertical bunch wiring depends on the following factors: the amount of combustible material that is exposed to high temperatures, geometric shapes of cables and their mutual location when laying, the ignition temperature of gases emitted by cables, the volume of combustible gases emitted by cables at a certain elevated temperature, the room capacity and volume of air passing through the cable structure, cable devices. Analysis of regulatory documents revealed some key differences in the methodology of standards. It was found that the spread of fire is not only affected by the volume of laid cables, but also by their mutual placement in space. A direct correlation was found between the influence of the crosssection of the cable core and preservation of the cable line in case of fire. Parameters were determined for the preservation of serviceability under fire exposure in the case of bunch and in the case of single wiring. It has been determined that it is impossible to spread the results of fire tests in case of single wiring in accordance with GOST IEC 60331-21-2011 and in case of bunch wiring in accordance with GOST IEC 60332-3-22-2011 to the results of tests in accordance with GOST R 53316-2009 for the preservation of operability of cable lines. The parameters of fire resistance and operability of cable products under the influence of flame depending on the type of cables and the method of their installation have been determined.

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Improvement of The Safety Systems for Working at Heights on Transmission Towers

Cited by 12 publications

References 12 publications

Ensuring the projects’ environmental safety based on a risk-based approach

Ensuring the projects’ environmental safety based on a risk-based approach

Safety cages efficiency during ascent and descent on vertical ladders

Operation of cable lines under fire conditions

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