Comparative assessment of the production load of specialists in decoding flaw patterns of removable and mobile flaw detection equipment in railway transport

Introduction. In Russian railway transport, flaw detection is one of the reliable methods for assessing the quality of trackbed condition and the most important component of traffic safety. The working conditions of defectogram interpreters in railway transport refer to a complex form of work organization, because professional activities are carried out year-round in various climatic regions, under conditions of exposure to industrial noise and vibration, magnetic fields, etc., contact ultrasound, etc., as well as a number of factors of an unavoidable nature — work in conditions of moving vehicles.

The study aims to carry out a comparative assessment of the production load of specialists in decoding flaw patterns of removable and mobile flaw detection equipment in railway transport, depending on intra-group differences in working conditions.

Materials and methods. The authors conducted industrial physiological and hygienic studies with the participation of operators of flaw detectors with different working conditions — decoders of the stationary Center, flaw inspection vehicles and flaw detection wagons. The study was of a complex nature and was carried out at the workplaces of employees, including in the direct performance of official duties. We used timekeeping, professional, and physiological indicators and recorded indicators of functional systems both remotely and through short-term three inspections during the shift.

Results. Using the example of decoding engineers, scientists have shown a high production load throughout the entire work shift, characteristic of representatives of all three studied objects, with its greatest severity among employees of the stationary defect decoding center. We noted the greatest deviations in accommodation indicators by the end of the work shift, which indicates fatigue of the visual analyzer, requiring the use of rehabilitation measures.

Conclusion. There is a high production load and the lack of formation of a stable dynamic stereotype of work, which is associated with a high degree of tension in the work process of employees of all groups of flaw detectors in railway transport. The load is most pronounced among the decoding engineers of the flaw detection centers, which requires the organization of a monitoring system for their professional reliability, optimization of work and rest modes.

Ethics. We have conducted the study in compliance with Ethical principles and the voluntary consent of the participants.

Contribution:
Wilk M.F. — the concept and design of the study, discussion of the material, conclusions;
Tulushev V.N. — collection of material, analysis of results, writing of the text, formulation of conclusions;
Pankova V.B. — concept and design of the study, discussion of the results, writing and editing of the text, conclusions;
Latynin E.O. — mathematical processing and discussion of materials, work with domestic and foreign literature.

Funding. The study had no funding.

Conflict of interests. The authors declare no conflict of interest.

Received: 26.11.2023 / Accepted: 01.12.2023 / Published: 29.12.2023

1. Vilk M.F., Pankova V.B., Kaptsov V.A., Bazaz’yan A.G., Latynin E.O. New occupational risks to the health of transport workers in the conditions of its modernization. Zametki uchonogo. 2022; 1 (1): 108–116 (in Russian).

2. Loginova V.A. Hygienic assessment of working conditions and occupational health risks of employees at railway transport facilities. Analiz riska zdorov’ju. 2017; 2: 96–101 (in Russian).

3. On approval of the list of professions and positions of employees who ensure the movement of trains, subject to mandatory preliminary, upon admission to work, and periodic medical examinations. Resolution of the Government of the Russian Federation No. 1020 of September 8, 1999 (in Russian).

4. On the approval of the Transport Strategy of the Russian Federation for the period up to 2030. Decree of the Government of the Russian Federation No. 1734-r of November 22, 2008 (in Russian).

5. Misharin A.S. Transport strategy of the Russian Federation: goals and priorities. Organizacija proizvodstva (transport). 2015; 1: 3–7 (in Russian).

6. Misharin A.S. Aspects of creating an integrated high-speed and high-speed communication network in the Russian Federation. Gosudarstvo i transport. 2014; 2(51): 9–13 (in Russian).

7. Nazarov O.N. Development of high-speed rolling stock. Zheleznodorozhnyj transport. 2019; 7: 65–77 (in Russian).

8. Kiseljov I.P., Nazarov O.N. Development of high-speed rolling stock. Zheleznodorozhnyj transport. 2019; 7: 65–77 (in Russian).

9. Goldman E.I. Conditions and the nature of the labor of workers of the track economy. In: Hygiene and physiology of labor on the railway. Ed. by A.A. Prokhorov. M.: Transport; 1973: 118–136 (in Russian).

10. Smirnova E.M. Working conditions during ultrasonic flaw detection on railway. In: Overview of TSNIITEI MPS. Series Labor protection. 1967; 23: 13–15 (in Russian).

11. Kopirovsky K.M., Delectorsky N.V., Kuzina L.G., Talivanova R.V. Working conditions for workers of diagnostic cars and railcars. In the book: Current problems of health care in railway transport. Eds. O.N. Sorokin V.A. Kaptsov, S.D. Krivulya. M.; 1999: 80–85 (in Russian).

12. Kutovoy V.S. Health status of railway workers working with magnetic powder flaw detectors. Gigiena i sanitariya. 2000; 2: 34–35 (in Russian).

13. Klimova T.F., Korkina N.L. Improvement of working conditions of employees of the site of non-destructive testing of VCHDE-5. Molodoj uchenyj. 2016; 22.2 (126.2): 39–41 (in Russian).

14. Nevedomsky A.D., Muller N.V. Radiation safety of a flaw detector. In: Proceedings of the conference of the Komsomolsk-on-Amur State University. 2022: 327–329 (in Russian).

15. On the approval of the Instructions on Labor Protection for the operator of the flaw detector trolley and the Instructions on labor protection for the operator on track measurements (together with the IOT RZD-4100612-CDI-130-2018. Instructions on labor protection for the operator of a flaw detection trolley, IOT RZD-4100612-CD-131-2018. The Instruction on labor protection for the operator on track measurements is the Order of JSC Russian Railways No. 2117/r dated 27.09.2018 (ed. dated 16.03.2022) (in Russian).

16. Permyakova O.G., Gorchakov Yu.N., Ovsyannikov V.V. Transport psychology. Vladivostok: Publishing House of the Far Eastern Federal University; 2021 (in Russian).

17. Baevskij R.M., Ivanov G.G., Chirejkin L.V. et al. Analysis of heart rate variability using various electrocardiographic systems. Vestnik aritmologii. 2002; 24: 65–86 (in Russian).

18. Kiryushin V.A., Bolshakov A.M., Motalova T.V. Occupational hygiene. Ryazan; 2015 (in Russian).

19. Izmerov N.F., Kirillov V.F. Occupational hygiene. M.; 2008 (in Russian).

20. The Russian Encyclopedia of Occupational Medicine. Ed. by N.F. Izmerov. M.: Meditsina; 2005 (in Russian).

21. Guidelines for the hygienic assessment of factors of the working environment and the labor process. Criteria and classification of working conditions. Manual P 2.2.2006-05 (in Russian).

22. Sudakov K.V. Normal Physiology. M.; 2006 (in Russian).

23. Gu G.Z., Yu S.F., Wu H., Zhou W.H., Kang L., Chen R. Relationship between depressive symptoms and occupational stress in locomotive drivers. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2018; 36(5): 347–352 (in Chinese).

24. Vilk M.F., Sosnova T.L. Color vision and traffic safety. Publishing house FGUO All-Russian Research Institute of Railway Hygiene of Rospotrebnadzor. M.; 2017 (in Russian).