Relevant bibliographies by topics / Lockout tagout (LOTO)

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Lockout tagout (LOTO)'

Author: Grafiati
Published: 22 February 2023

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Journal articles on the topic "Lockout tagout (LOTO)"

1

Illankoon, Prasanna, Yamuna Manathunge, Phillip Tretten, John Abeysekara, and Sarbjeet Singh. "Lockout and Tagout in a Manufacturing Setting from a Situation Awareness Perspective." Safety 5, no. 2 (April 29, 2019): 25. http://dx.doi.org/10.3390/safety5020025.

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Applying lockouts during maintenance is intended to avoid accidental energy release, whereas tagging them out keeps employees aware of what is going on with the machine. In spite of regulations, serious accidents continue to occur due to lapses during lockout and tagout (LOTO) applications. Few studies have examined LOTO effectiveness from a user perspective. This article studies LOTO processes at a manufacturing organization from a situation awareness (SA) perspective. Technicians and machine operators were interviewed, a focus group discussion was conducted, and operators were observed. Qualitative content analysis revealed perceptual, comprehension and projection challenges associated with different phases of LOTO applications. The findings can help lockout/tagout device manufacturers and organizations that apply LOTO to achieve maximum protection.
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Dewi, Luciana Triani. "Investigation of Lockout / Tagout Procedure Failure in Machine Maintenance Process." Jurnal Teknik Industri 20, no. 2 (January 12, 2019): 135. http://dx.doi.org/10.9744/jti.20.2.135-140.

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Lockout/tag out (LOTO) refers to specific practices and procedures to stop the release of hazardous energy and turnoff machinery and equipment during service or maintenance activities. An effective LOTO system will ensure the workers are protected from the unexpected conditions during maintenance activities. This paper focus on incidents of LOTO system failures in an electricity power industry. LOTO system had implemented for many years in the company, but many incidents of LOTO system failure was still happened. The purpose of the research was to investigate the cases of incident caused by LOTO procedure failures. The research was conducted using descriptive analytical approach to analyse the cases of incident to find the root causes and develop the solution. Main data used in the research was document of incidents and was analysed by Systematic Cause Analysis Technique (SCAT). The result of investigation showed the root causes of LOTO system failure were caused by individual, job and management factors. Based on SCAT chart synthesis, the control actions were identified. The identified control movement were improve operational procedure of LOTO and proposed job description of supervisor. Evaluation of control action concluded that basically the suggestions were feasible to implement and some adjustments were needed due to implementation.
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3

Kumar, Sameer, and S. M.Tauseef. "Analysis of Various Lockout Tagout (LOTO) Devices used in Industrial Safety." International Journal of Engineering & Technology 7, no. 3.12 (July 20, 2018): 1329. http://dx.doi.org/10.14419/ijet.v7i3.12.19894.

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Industries have equipment and processes which use hazardous energies like electrical, chemical, gravity, thermal, hydraulics etc. These hazardous energies are handled with utmost precaution and control of these hazardous energies ensures and enhances Safety. Factories Act-India, Occupational Safety and Health Administration, USA(OSHA) and others have defined a very detailed Hazardous Energy Control Program known as Lockout Tagout(LOTO) where these hazardous energies are controlledThese detailed LOTO procedures requires various LOTO devices to control the hazardous energies. These LOTO devices have many varieties (design, sizes, shapes etc.) based on the application.This paper aims to study various LOTO devices used for controlling various hazardous energies like electrical, mechanical, gravity, chemical, hydraulic, thermal, their specifications, application and limitations on a CNC Machining Centre.This will help in identification and use of most appropriate LOTO device for controlling specific hazardous energies. This can be very efficient in safety enhancement and reduction in safety related incidents.
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4

Dźwiarek, Marek. "Application of lockout/tagout procedures in production systems of Industry 4.0." Journal of KONBiN 52, no. 3 (September 1, 2022): 137–48. http://dx.doi.org/10.2478/jok-2022-0028.

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Abstract The aim of the research was to develop guidelines and training materials to support the implementation of LOTO procedures in Industry 4.0. The analysis of manufacturing systems of Industry 4.0 showed that the requirements for LOTO procedures differ from those used in classical systems. The developed guidelines and training materials were verified during the pilot training. The mean value of the Likert scale score exceeds 4.4. The I-CVI index is mostly 1 and the lowest value is 0.86. Statistical analysis using Student’s t-test confirmed that the guidelines and training materials have excellent content validity at the 0.05 confidence level. This applies to their content, usefulness, comprehensiveness and completeness.
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5

Barrena Potto, Cleverson Paulo, and Daniela Rodolpho. "PROCEDIMENTO DE SEGURANÇA UTILIZADO NA MANUTENÇÃO ELÉTRICA INDUSTRIAL." Revista Interface Tecnológica 18, no. 1 (July 30, 2021): 580–92. http://dx.doi.org/10.31510/infa.v18i1.1148.

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O objetivo desse artigo é apresentar um sistema de bloqueio e etiquetagem LOTO (lockout e tagout), o qual tem como principal modelo, garantir a ausência de energia potencial contida em fontes de que produzam ou armazenem energia tais como, tanques, tubulações, quadros de energia, redes de distribuição elétrica, máquinas operacionais. Tais dispositivos de bloqueio e etiquetagem e ou sinalização fornecem proteção e segurança para os trabalhadores, impedindo que máquinas ou equipamentos em operações se energizem inesperadamente ou liberem energia armazenada, causando acidentes de trabalho severos ou fatais aos funcionários. Por meio de estudos e pesquisas bibliográficas é possível elaborar os procedimentos seguros para bloqueio e sinalização de equipamentos durante operações de serviços e manutenção. Especificando quais etapas os colaboradores devem seguir para a prevenção de acidentes associados a energias perigosas, garantindo a integridade física dos trabalhadores envolvidos em tal atividade.
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6

Kumar, S., and S. M. Tauseef. "Development of an Internet of Things (IoT) based Lockout/Tagout (LOTO) device for Accident Prevention in Manufacturing Industries." IOP Conference Series: Materials Science and Engineering 1017, no. 1 (January 1, 2021): 012017. http://dx.doi.org/10.1088/1757-899x/1017/1/012017.

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Dissertations / Theses on the topic "Lockout tagout (LOTO)"

1

Aghenta, Emmanuel Aigbokhaibho. "Mitigating risks associated with Lockout/Tagout (LOTO) of hazardous energy in Nigeria : a tracker approach / E.A. Aghenta." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9776.

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The main objective of the study was to determine the risk(s) associated with lockout/tagout of hazardous energy and propose a new LOTO procedure which tracks the implementation of LOTO to mitigate against identified risks as a basis for promotion of safety. The study focuses on electrical personnel working in PHCN. Only electrical accident risks are examined, not other types of risk e.g. mechanical, chemical, and nuclear. To gather material for this study, a questionnaire was distributed amongst electrical workers in PHCN and their supervisors were interviewed. Relevant literature and publications were studied as reference. According to electrical personnel experience, electrocution, arc flash, arc blast, burns and lockout and tagout of the wrong electrical circuit are seen as the biggest electrical safety risk with regards to LOTO of hazardous energy. The research reveals new information about electrical accident risks. This information is used to create a procedure for tracking LOTO of hazardous energy. The procedure can be utilized in the mitigation of electrical risks and promotion of
Thesis (MIng (Development and Management Engineering))--North-West University, Potchefstroom Campus, 2013.
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2

VESCIO, GIOVANNI. "Vulnerability and Reliability Assessment of Electrical Power System using Petri Nets." Doctoral thesis, 2012. http://hdl.handle.net/11573/916929.

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The research aims to build a behavioral models of electrical power systems through the use of Petri nets, covering both traditional reliability analysis (quantitative measurement) and behavior analysis (qualitative measurement) for the detection of topology defects. The development models has allowed to study the operating sequence of the electrical system, where the evolution of the system to be monitored is compared with its ideal evolution. The modelling criterion is then validated by the implementation in two case studies. In the first case, the whole approach is applied to the identification of a complex electrical plant supplying a critical structure such as a hospital. Petri nets are capable of modeling and simulating all the functional dependencies between the system elements and also the correct fault repair behavior for the tested power system. This allows the system to be analyzed for properties such as tolerance of failures and isolation of the safety hazards to determine which functions are most critical and moreover need to be enhanced in order to mitigate the accidental risks. In the second case study, a new approach for LOTO procedures using Petri nets is introduced. The suggested methodology supports mechanical development of the operational procedures that can assists the operator especially for not automatic operations. It proposes some simple rules, a graphical representation of electrical status and an algebraic model to allow an autocheck of the interlocking procedure.
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