Safety devices - 894 entries found
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Guide to inspecting workplace
This guide consists of a series of checklists for workplace inspections involving the following activities and exposures: chemicals and harmful substances; electricity; manual tasks; slips and trips; working at heights; forklifts; new and young workers; machinery and plant; machinery guarding; noise; emergency procedures; violence and aggression; working alone.
Commission for occupational safety and health, 1260 Hay Street, PO Box 294, West Perth, WA 6872, Australia, no date. PDF document, 21p.
http://www.commerce.wa.gov.au/WorkSafe/PDF/Hazard_identification/priority_area_checklist.pdf [in English]
Collective labour agreement on the improvement of working conditions
Convenção coletiva de melhorla des condições de trabalho [in Portuguese]
Collective labour agreement on the improvement of working conditions in sectors using presses and similar equipment, plastic injection molding machines and electroplating equipment in the State of Sao Paulo, Brazil
Sindicato dos trabalhadores metalúrgicos de São Paulo e Mogi das Cruzes, Palácio do Trabalhador, rua Galvão Bueno 782, CEP 01506-000, Bairro da Liberdade, São Paulo, Brazil, 2011, 62p. Illus. 7 ref.
Convenção_coletiva_[INTERNET_FREE_ACCESS] [in Portuguese]
Sanz Albert F., Abril Muñoz I., Delgado Cobos P.
Plant protection products: Preventive features of application equipment
Productos fitosanitarios: medidas preventivas en los equipos de aplicación [in Spanish]
The purpose of this technical note is to help select application equipment for plant protection products, aimed at minimizing the risk of exposure to these products. Selection criteria are proposed by application method and type of equipment. Measures that help prevent loss and leakage that may result in product contact with the workers are also considered. Finally, the note discusses proper use, maintenance and cleaning of the equipment.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 8p. Illus. 11 ref.
NTP_883.pdf [in Spanish]
Tamborero del Pino J.M., Miró Marcè M.
Wire rope slings
Eslingas de cables de acero [in Spanish]
Contents of this technical note on wire rope slings: introduction; objectives; definitions; types of slings; risks and risk factors; means of prevention and protection; storage and inspection; standards. A model of a data sheet for safety inspection of wire rope slings is included.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 8p. Illus. 15 ref.
NTP_866.pdf [in Spanish]
Tamborero del Pino J.M., Miró Marcè M.
Eslingas de cadena [in Spanish]
Contents of this technical note on chain slings: introduction; objectives; definitions; types of slings; risks and risk factors; means of prevention and protection; storage and inspection; standards. A model of a data sheet for safety inspection of chain slings is included.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 8p. Illus. 10 ref.
NTP_861.pdf [in Spanish]
Kimura M., Sugimoto N.
Logical consideration on lockout and trapped key interlock for machine
Lockout is an important method to protect humans working at a place where they may be injured by an unexpected release of hazardous energy. Actually, this administrative control is used in order to compensate for the incompleteness of the ZMS (Zero Mechanical State). This paper proposes the basic requirements for the "Lockout" used for machine maintenance work by applying the "principle of safety confirmation". In view of the above, the relation of "locking up the power switch in the OFF position", "withdrawing and possessing the key for hostage control" and "unlocking the movable guard for accessing to the working space" of the "trapped key interlock", which is alternative to "lockout", should be made unate in terms of system. This article formulates these interrelations, presents them in the form of interlock structure, and shows an example of configuration that can meet the required safety functions.
Industrial Health, July 2010, Vol.48, No.4, p.460-469. Illus. 9 ref.
Logical_consideration.pdf [in English]
Tamborero del Pino J.M., Cano Gordo R.
C class anchor devices
Dispositivos de anclaje de clase C [in Spanish]
Contents of this technical note on anchoring devices: introduction; definitions and functions of the main elements of a class C anchoring device; design of a flexible horizontal anchoring line; installation of the line; use of the anchoring line; maintenance and inspections; legal and technical standards.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 10p. Illus. 26 ref.
NTP_843.pdf [in Spanish]
Tamborero del Pino J.M., Tilló Torres J., Rubiralta J.
Textile slings (II)
Eslingas textiles (II) [in Spanish]
Contents of this second technical note on textile slings (see also CIS 10-0726): determination of the maximum loads for re-usable and single-use slings; information to users; maintenance; inspection.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 4p. Illus. 3 ref
NTP_842pdf [in Spanish]
Tamborero del Pino J.M., Tilló Torres J., Rubiralta J.
Textile slings (I)
Eslingas textiles (I) [in Spanish]
Contents of this technical note on textile sings: introduction; objectives; definitions and types of slings; risks and risk factors; means of prevention and protection; labelling; standards. A table presents the physical and tensile properties of the main fibres used for slings, namely polyester, polyamide and polypropylene. See also CIS 10-0727.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2010. 6p. Illus.
NTP_841.pdf [in Spanish]
Narasimhan G.R., Peng Y., Crowe T.G., Hagel L., Dosman J., Pickett W.
Operational safety practices as determinants of machinery-related injury on Saskatchewan farms
This study examined two safety practices related to agricultural machinery as risk factors for injury in the farming sector: the presence of safety devices on machinery and levels of routine machinery maintenance. The data source was the Saskatchewan Farm Injury Cohort Survey of 2390 farms. Factor analysis was used to create measures of the two operational safety practices. Limited presence of safety devices on machinery during farm operations was associated with higher risks for injury (RR 1.94), while lower routine maintenance scores were associated with significantly reduced risks for injury (RR 0.54). The first finding implies that injury prevention programs require continued focus on the use of safety devices on machinery. The second finding could indicate that maintenance itself is a risk factor or that more modern equipment requiring less maintenance places the operator at a lower risk.
Accident Analysis and Prevention, July 2010, Vol.42, No.4, p.1226-1231. 32 ref.
Caroly S., Coutarel F., Landry A., Mary-Cheray I.
Sustainable MSD prevention: Management for continuous improvement between prevention and production. Ergonomic intervention in two assembly line companies
To increase output and meet customers' needs, companies have turned to various production management systems whose aim is to accelerate decisions, react to environmental issues and to continuously improve production performance. At the same time, regulation and control systems focusing on work-related risks have obliged firms to implement safety and health management systems such as OHSAS 18001. The purpose of this type of system, also based on continuous improvement, is to reduce risks, facilitate work-related activities and identify solutions in terms of equipment and tools. However, the prevention actions introduced through safety and health systems often result in other unexpected and unwanted effects on production. Using the examples of two manufacturing environments, this article discusses how companies can benefit by implementing both types of management system.
Applied Ergonomics, July 2010, Vol.41, No.4, p.591-599. Illus. 34 ref.
Lacey S.E., Abelmann. A., Dorevitch S.
Exposure to human waste from spills while servicing aircraft lavatories: Hazards and methods of prevention
Workers service the lavatories of commercial aircraft approximately 11 million times per year in the United States and may have exposure to the spectrum of pathogenic viruses, bacteria and parasites potentially found in human waste. An industrial hygiene inspection of the workplace was conducted by an interdisciplinary occupational safety and health team, during which the tasks carried out by lavatory waste operators and supervisors were observed. Exposure to untreated waste can occur through dermal, ingestion and inhalation in quantities ranging from droplets to large spills. Several engineering and administrative measures were advised to minimize worker exposure, including the effective locking of a critical valve and a mechanism for communicating valve locking problems.
Industrial Health, Jan. 2010, Vol.48, No.1, p.123-128. Illus. 20 ref.
Exposure_to_human_waste.pdf [in English]
Smith D.R., Muto T., Sairenchi T., Ishikawa Y., Sayama S., Yoshida A., Townley-Jones M.
Hospital safety climate, psychosocial risk factors and needlestick injuries in Japan
To investigate the interactions between safety climate, psychosocial issues and needlestick and sharps injuries (NSI), a cross-sectional study was undertaken among nurses at a university teaching hospital in Japan (89% response rate). NSI were correlated with various aspects of hospital safety climate including supporting one another at work, the protection of staff against blood-borne diseases being a high management priority, managers doing their part to protect staff from blood-borne diseases, having unsafe work practices corrected by supervisors, having the opportunity to use safety equipment to protect against blood-borne disease exposures, having an uncluttered work area, and having minimal conflict within their department. This study demonstrated the importance of hospital safety climate in Japanese health care practice, particularly its relationship with NSI.
Industrial Health, Jan. 2010, Vol.48, No.1, p.85-95. Illus. 78 ref.
Hospital_safety_climate.pdf [in English]
Goh Y.M., Love P.E.D
Adequacy of personal fall arrest energy absorbers in relation to heavy workers
Despite the increasing weight of workers, most energy absorbers of personal fall arrest systems are only tested to 100 kg. This research aims to evaluate the capacity of fall arrest energy absorbers in relation to the weight of heavy workers, so as to provide recommendations for improvements to current fall arrest standards. A series of dynamic drop tests based on the Australian and New Zealand fall protection equipment standard were conducted. A total of 31 samples on seven types of energy absorbers were undertaken. The experiment simulated a worst credible scenario of a 3.8 m fall of a rigid mass which was connected using inelastic material. The capacity of each type of energy absorber was determined using the test mass that caused one or both of the following test criteria to be breached: at least two samples reached the maximum possible extension and at least two samples had the maximum arrest force exceeding 7 kN. The estimated capacities were then compared with the 95th percentile weight of worker working at height. The research demonstrates that most energy absorbers are not able to ensure that the two test criteria are not breached during the arrest of a heavy worker in the worst case scenario fall. It is recommended that the test mass stipulated in fall arrest standards should be revised and increased to accommodate the increasing weight of workers.
Safety Science, July 2010, Vol.48, No.6, p.747-754. Illus. 39 ref.
Code of practice - Man overboard: prevention and response 2010
This code provides general guidance for all commercial fishing vessels in Western Australia on the management of occupational safety and health issues relevant to the prevention of man overboard incidents and the response to such incidents. Topics addressed: hazard identification; risk control; monitoring and review of control measures.
Commission for occupational safety and health, 1260 Hay Street, PO Box 294, West Perth, WA 6872, Australia, 2010. PDF document, 44p. Illus.
http://www.commerce.wa.gov.au/worksafe/PDF/Codes_of_Practice/man_overboard1.pdf [in English]
Signaling lights and headlights - Use and installation on forklift trucks
Feux et phares - Utilisation et installation sur chariots élévateurs [in French]
Several accidents involving forklift trucks can be traced to the lack of information on the installation and use of headlights and signaling lights on these types of vehicles. Such accidents include the striking or crushing of a worker on foot during a backup maneuver, truck overturning and material damage to equipment and products being stored or transported. This information sheet is aimed primarily at forklift truck operators, but also for all workers who share a work area where forklift trucks operate, as well as for supervisors, managers, safety officers and persons responsible for the purchase, rental and maintenance of forklift trucks.
Institut de recherche Robert-Sauvé en santé et en sécurité du travail du Québec (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2009. 6p. Illus. 5 ref.
http://www.irsst.qc.ca/files/documents/PubIRSST/RF-626.pdf !COLANT! FR/ [in French]
Rearview mirrors - Use and installation on forklift trucks
Rétroviseurs - Utilisation et installation sur chariots élévateurs [in French]
Several accidents involving forklift trucks can be traced to the lack of information on the installation and use of rearview mirrors on these types of vehicles. Such accidents include the striking or crushing of a worker on foot during a backup maneuver, truck overturning and material damage to equipment and products being stored or transported. This information sheet is aimed primarily at forklift truck operators, but also at all workers who share a work area where forklift trucks operate, as well as supervisors, managers, safety officers and persons responsible for the purchase, rental and maintenance of forklift trucks.
Institut de recherche Robert-Sauvé en santé et en sécurité du travail du Québec (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2009. 4p. Illus. 4 ref.
http://www.irsst.qc.ca/files/documents/PubIRSST/RF-625.pdf [in French]
Barrière immatérielle [in French]
Whenever operators need to act frequently thereby exposing them to hazards, electronic guards may be preferable to certain types of mechanical guards. This article describes various types of electronic guards (with vertical or horizontal positioning) together with their areas of application, with the illustrated example of a press brake.
Prévention BTP, Sep. 2009, No.121, p.22-23. Illus.
Quendler E., Diskus C., Pohl A., Buchegger T., Beranek E., Boxberger J.
Child safety driver assistant system and its acceptance
Electronic devices that deliver information about the presence of children in the blind spots surrounding agricultural vehicles and their attached machines need to cover all security gaps, ensure collision-free stopping in risk situations and be inexpensive. Wireless sensor network and electrical near-field electronic components are suited to the development of low-cost wireless detection devices. For reliable detection in a versatile environment, it is necessary for children to continuously wear a transponder. This means that children and adults must have a high acceptance of the device, which can be ensured by easy usability, a comfortable design and service quality. This article describes a system that achieved detection distances of up to 40m in the far field and 2.5m in the near field.
Journal of Agromedicine, 2nd Quarter 2009, Vol.14, No.2, p.82-89. Illus. 21 ref.
Reinert D., Schwaneberg O., Jung N., Ullmann S., Olbert W., Kamin D., Kohler R.
Finger and hand protection on circular table and panel saws
Several hundred injuries to hands or fingers when working with circular saws occur each year in Germany. This article describes various detection systems aimed at preventing such accidents. Some systems consist of a passive infrared sensor in combination with a capacitive field sensor. An alternative system uses a light curtain based on spectral analysis in the near infrared region.
Safety Science, Oct. 2009, Vol.47, No.8, p.1175-1184. Illus. 12 ref.
Work near railway lines
Arbeiten im Gleisbereich [in German]
This article presents a system for the warning and protection of workers on or close to active railway lines, together with its advantages compared to barrier-type conventional systems.
Tiefbau, Feb. 2008, Vol.120, No.2, p.101-105. Illus. 14 ref.
Avoiding an accident excuse pile-up
One person is killed every 3.5 days by forklifts in the United States, with 20,000 additional workers seriously injured each year. Many of these accidents are caused by unsafe driving behaviour. OSHA has identified forklifts as the sixth-leading cause of safety violations. There are more than one million forklifts currently in operation across the United States. This article discusses the use of monitoring devices as an effective means of promoting safe forklift driving behaviour.
Occupational Hazards, Sep. 2008, Vol.70, No.8, p.88, 90-92. Illus.
Bulzacchelli M.T., Vernick J.S., Sorock G.S., Webster D.W., Lees P.S.J.
Circumstances of fatal lockout/tagout-related injuries in manufacturing
OSHA accident investigation report summaries were analyzed to describe the circumstances of lockout/tagout-related fatalities occurring in the United States manufacturing industry from 1984 to 1997. The most common mechanisms of injury were being caught in or between parts of equipment, electrocution and being struck by or against objects. Typical scenarios included cleaning a mixer or blender, cleaning a conveyor, and installing or disassembling electrical equipment. Lockout procedures were not even attempted in the majority (at least 58.8%) of fatal incidents reviewed. Implications of these findings are discussed.
American Journal of Industrial Medicine, Oct. 2008, Vol.51, No.10, p.728-734. 21 ref.
Marchal P., Jacques M.
Very high-pressure water jet danger distance
Distance de dangerosité des jets d'eau très haute pression [in French]
The aim of this study was to evaluate the risk of a very high-pressure jet in relation to its shape, pressure and flow rate. A test bench was designed for this purpose. This involved passing a protected and unprotected, simulated muscle-and-skin sample in front of a VHP water jet at a speed of 0.5m/s. Measurements revealed the high dangerousness of unprotected exposure to straight jets. The danger distance was found to vary between 1.4 and 3.6m, depending on the jet diameter and its pressure/flow rate. This distance was found to be in the 100-400 mm range for flat jets used in cleaning operations. For 2- or 3-nozzle rotary jets, the danger distance was found to be between 200 and 700mm and for orbital jets between 200 and 800mm. Danger distances decreases with protection, but remained significant, depending on the type of jet evaluated. It was 50mm for flat jets, less than 50mm for rotary jets and approximately 200mm for orbital jets. These distances were sufficiently lower and there is a strong possibility of being able to develop fabrics that can be used for making up PPE suitable for protecting the operators. On the other hand, the protected danger distance with straight jets is between 0.15m and 1.1m, which is still too high to consider the possibility of protecting the operators with coated or multi-layer fabrics. These data illustrate the need for PPEs, but also show that these must be adapted to jet parameters. Findings also enable operators and site managers to set up safe working areas based on the jet types used and the minimum distances between two operators working on the same site.
Cahiers de notes documentaires - Hygiène et sécurité du travail, Dec. 2008, No.213, p.15-26. Illus. 8 ref.
http://www.hst.fr/inrs-pub/inrs01.nsf/IntranetObject-accesParReference/ND%202298/$File/ND2298.pdf [in French]
Bulzacchelli M.T., Vernick J.S., Sorock G.S., Webster D.W., Lees P.S.J.
Circumstances of fatal lockout/tagout-related injuries in manufacturing
Over the past few decades, hundreds of manufacturing workers have suffered fatal injuries while performing maintenance and servicing on machinery and equipment. Using lockout/tagout procedures could have prevented many of these deaths. An analysis of OSHA accident investigation report summaries was conducted to describe the circumstances of lockout/tagout-related fatalities occurring in the United States manufacturing industry from 1984 to 1997. The most common mechanisms of fatal injury were being caught in or between parts of equipment, electrocution, and being struck by or against objects. Typical scenarios included cleaning a mixer or blender, cleaning a conveyor, and installing or disassembling electrical equipment. Lockout procedures were not even attempted in the majority (at least 58.8%) of fatal incidents reviewed.
American Journal of Industrial Medicine, Oct. 2008, Vol.51, No.10, p.728-734. 21 ref.
Wireless remote control systems used in industry (WRCS)
Les télécommandes industrielles sans fil (TCISF) [in French]
This leaflet on remote control systems used in industry explains how they work, how to install them, their use and the safety rules to be followed with respect to persons positioned near such systems in the event of a malfunctioning.
Institut national de recherche et de sécurité, 30 rue Olivier-Noyer, 75680 Paris Cedex 14, France, Feb. 2008. 4p. Illus.
http://www.inrs.fr/inrs-pub/inrs01.nsf/inrs01_search_view/28C38752255542AEC12573F70054F394/$File/ed132.pdf [in French]
Safeguarding equipment and protecting employees from amputations
This guide identifies eight mechanical motions and eight hazardous actions that present possible amputation hazards. The guide also sets forth steps employers can take to reduce these hazards. The material is appropriate for all persons responsible for the operation and maintenance of machinery and equipment, including employers, employees, safety professionals and industrial hygienists. Topics covered include hazard analysis, safeguarding machinery, awareness devices and the control of hazardous energy (lockout/tagout).
Publications U.S. Department of Labor, Occupational Safety and Health Administration, 200 Constitution Avenue, Washington, D.C. 20210, USA, 2007. 56p. Illus. 26 ref.
http://www.osha.gov/Publications/osha3170.pdf [in English]
Detection of persons based on digital vision: Possibilities and limitations
Détection de personnes par des techniques de vision numérique: possibilités et limites [in French]
Methods for detecting human presence in danger zones are not always satisfactory because existing systems such as light curtains or pressure sensitive mats have a low discriminating capacity as well as a lack of flexibility with respect to the configuration of the area to be protected. To overcome these limitations and satisfy the need for a broader field of application, current development work is focussed on vision-based devices. This article analyses four image processing systems designed to detect human presence in danger zones. Some of these systems appear to be reliable.
Cahiers de notes documentaires - Hygiène et sécurité du travail, 3rd Quarter 2007, No.208, p.61-74. Illus. 16 ref.
Gauthier F., Giraud L., Bournival S., Bourbonnière R., Richard J.G., Daigle R., Massé S.
Development of a loading dock safety evaluation tool
The objective of this literature-based study was to evaluate the technical and the organizational aspects of the restraint measures that could have an impact on safety of forklifts used to load and unload trucks at loading docks. Certain elements were examined very closely, especially the failure of mechanical devices and their relation to the environment in which they are used, as well as the interaction between workers and the various restraint measures in use in a given context. This work enabled the development of a safety evaluation tool regarding restraint measures or systems for trucks docked at loading platforms. The tool is designed to help companies choose the optimal safety measures to implement in any given situation, while remaining realistic in terms of the technical and economic aspects.
Journal of Safety Research, 2007, Vol.38, No.1, p.35-51. Illus. 21 ref.
Shahriari M., Shee A., Örtengren R.
Evaluation of the alarm system in an oil refinery - An improvement approach
The objective of this study was to evaluate and improve the alarm system in the control room of an oil refinery in Northern Europe. It involved on-site observations during several weeks, together with a review of historical incidents having caused alarms. Although the system was found to be generally safe, some improvements are proposed.
Ergonomia, Jan-Mar. 2006, Vol. 28, No.1. p.53-68. Illus. 16 ref.
Scarlett A.J., Reed J.N., Semple D.A., Seward P.C., Stockton A.D., Price J.S.
Health and Safety Executive
Operator roll-over protection on small vehicles
This study was conducted to investigate issues surrounding the mounting of Roll-Over Protective Structures (ROPS) to small vehicles in the 300-600kg mass range primarily used in amenity, turf care and estate maintenance applications. Of particular interest was the potentially detrimental effect of ROPS installation upon small vehicle lateral stability, and the suitability of ROPS performance test criteria for application to small vehicles. Work involved computer-based dynamic simulation modelling, validated by practical roll-over trials. Roll-over behaviour was investigated, with particular respect to the onset of vehicle lateral instability and energy levels likely to be absorbed by the vehicle ROPS during the overturn event. Findings are discussed. It is concluded that appropriately-engineered conventional ROPS are suitable for application to small vehicles.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2006. viii, 73p. Illus. 13 ref.
http://www.hse.gov.uk/research/rrpdf/rr432.pdf [in English]
Safe through risk analysis
Sicher durch Risikoanalyse [in German]
The computer programme "Safety Calculator Pascal" supports safety engineers in the design of automatic guards for machinery according to the standards EN 61058 and prEN ISO 13849-1. The example of an enclosed robot is used to explain the computer programme. The programme may be used in the planning and design stages of an automatic guard and also assists designers in calculating the probability of failure of each component of the automatic guard including the safety-related control system.
etz - Elektrotechnik + Automation, 2006, Vol.127, No.4, p.22-24. Illus. 5 ref.
De Coi B.
Fitting of light grids on industrial doors
Tore mit Licht vergittern [in German]
The advantages and disadvantages of various kinds of photoelectric guards for fast-moving power-operated doors are compared. A new kind of safety light curtain is presented which is cost-efficient and has been successfully tested in practical operation. The new light curtain provides increased safety for doors operating at speeds up to 4m/s. Its main feature is the blanking of light beams intercepted by the door based on the speed of the moving door.
M&T Metallhandwerk , 2006, Vol.108, No.3, p.10-12. Illus.
Lazzara J., Wood R.
An area-guarding puzzle
With the development of new machine guarding technologies, design engineers are faced with the challenge of choosing the right technology to meet both production and safety needs. This article reviews new developments in machine guarding. Contents: how to calculate the safe minimum distances; situations where electronic guarding is not appropriate; factors to consider before installing a guard; description of area guarding technologies (pressure sensitive safety mats, light curtains and laser scanners), including installation details, benefits and industry applications that are suitable; comparison of area-guarding technologies.
Occupational Hazards, May 2006, Vol.68, No.5, p.53-54, 56, 58. Illus.
Bourbonnière R., Chinniah Y.
Technical solutions - Efficiency and required effort
Les solutions techniques - Efficacité et efforts requis [in French]
This article describes technical measures aimed at ensuring machinery safety. Topics addressed: taking safety into account during the design phase; highlighting problems and searching for solutions; hazard evaluation; safety devices; electronic guards; emergency stop devices.
Travail et santé, June 2006, Vol.22, No.2, p.38-40. Illus. 2 ref.
Samant Y., Parker D., Brosseau L., Pan W., Xi M., Haugan D.
Profile of machine safety in small metal fabrication businesses
This study evaluates the effectiveness of interventions designed to reduce the risk of amputation among workers in small metalworking businesses in the state of Minnesota. Forty businesses participated. Checklists were developed to quantify machine-guarding practices. Up to 25 randomly-selected machines were evaluated in each facility. Overall, only 55% of items addressing machine guarding were present. No single machine complied with all critical safety requirements. Shops with safety committees tended to have better scores than did shops without safety committees. Thirty-five percent of all businesses had established machine guarding procedures and 17% provided training in machine guarding to their employees. These findings indicate that machine guarding and related safety programmes in small metal fabrication businesses are inadequate. They also suggest that safety committees are an important component in improving machine safety and related programmes in small businesses.
American Journal of Industrial Medicine, May 2006, Vol.49, No.5, p.352-359. Illus. 30 ref.
Forklift safety secrets
This article explains the weight and balance aspects of forklift loading which are often overlooked. The true load lifting capacity is often much lower than the maximum rated capacity, and depends on how the load is distributed horizontally and vertically. It stresses the importance of studying the load charts on the forklift operating manual and providing adequate operator training.
Occupational Hazards, Feb. 2006, Vol.68, No.2, p.31-33. Illus.
Powered and non-powered hand tools
Machines et outils à main [in French]
Machines en handgereedschappen [in Dutch]
The objective of the SOBANE approach (screening, observation, analysis and evaluation) is to ensure occupational safety and health by means of a systematic analysis of occupational hazards. This booklet presents the SOBANE approach applied to powered and non-powered hand tools. Following a review of general aspects of occupational safety and health management, it explains how to proceed with the observation, analysis and evaluation, together with the qualifications required for carrying out these steps. The following topics are summarized on information sheets: various types of powered and non-powered hand tools; locking procedures; control systems; work postures; manual handling; lifting devices; personal protective equipment; Belgian and European regulations.
Service public fédéral Emploi, Travail et Concertation sociale, rue Ernest Blerot I, 1070 Bruxelles, Belgium, 2005. 180p. Illus. 46 ref.
http://www.werk.belgie.be/WorkArea/showcontent.aspx?id=3868 [in Dutch]
http://www.nova.inrct.be/pdf/pd/frdd73.pdf [in French]
Pera F., Borzelli E., Cortis L., Ratti C., Rossi L.
The capacity of curtains made from flexible material to contain tool pieces ejected at high speed
Capacità delle barriere realizzate in materiale flessibile di trattenere parti di utensili proiettate ad alta velocità [in Italian]
Numerically-controlled boring and routing machines are equipped with flexible curtains to protect workers from the ejection of tool pieces. These types of machines should comply with the EN 848-3 standard which specifies the requirements that apply to these curtains. This project was undertaken to evaluate the efficiency of these curtains, to study their behaviour and to develop a test method for evaluating their capacity to retain tool pieces ejected at high speeds. It was found that, when used properly, curtains made from flexible thermoplastic materials can contain objects weighing up to 20g ejected at speeds of 70m/s. This study also enabled the formulation of several proposals for the revision of the EN 848-3 standard.
Prevenzione oggi, Apr.-June 2005, Vol.1, No.2, p.39-57. Illus. 4 ref.
Safety of press brakes
Sécurité des presses plieuses [in French]
This report presents the results of a study on the feasibility and impact of installing electronic guards on press brakes. The study involved: a literature survey of the hazards of press brakes and safety devices currently available; enterprise visits to observe the conditions of use of press brakes in different industries; and practical trials to investigate the impact of different safety devices on production time and on conditions of work. It was concluded that no one safety device was able to satisfy all safety requirements and that each pressing operation required a separate evaluation of the risks involved.
Centre technique des industries mécaniques (CETIM), avenue Félix-Louat 52, BP 80067, 60304 Senlis cedex, France, 2005. 175p. Illus. 13 ref. Price: EUR 25.00.
Vigneault S., Richard J.G.
Driver retaining devices in a forklift rollover situation - Synthesis of available models mainly in Québec
Dispositifs de retenue du cariste lors du renversement d'un chariot élévateur - Synthèse des modèles disponibles principalement au Québec [in French]
This report describes the characteristics of various types of fork lift truck drivers' seats available in Quebec that incorporate protective or restraining systems.
Institut de recherche Robert Sauvé en santé et en sécurité du travail (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2005. i, 10p. Illus. 10 ref. Price: CAD 5.35. Downloadable version (PDF format) free of charge.
http://www.irsst.qc.ca/files/documents/PubIRSST/R-434.pdf [in French]
Bourbonnière R., Paques J.J., Monette C., Daigle R.
Safety circuit design guide - Introduction to the categories in ISO 13849-1:1999 (Corrected version)
Guide de conception des circuits de sécurité - Introduction aux catégories de la norme ISO 13849-1:1999 (version corrigée) [in French]
This guide is aimed at engineers, engineering firms and enterprises that design, modify or implement control systems for the machines used in Quebec according to the categories in the international standard ISO 13849-1:1999. The overall risk assessment and reduction process according to ISO 12100 is presented. This is followed by eight examples of applications of protective devices, grouped into four categories. Each example includes details of the operation of the machine and the specific hazard under consideration, means of protection, factors considered in selecting the safety system, the electrical diagram of the proposed control circuit and its operation. (This corrected version replaces CIS 06-408).
Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2005. iv, 74p. Illus. 35 ref. Price: CAD 7.49. Downloadable version (pdf format) free of charge.
http://www.irsst.qc.ca/files/documents/PubIRSST/R-405.pdf [in French]
Rebelle J., Hella F., Aumas M., Levert C., Bazin L., de Snoeck E., Grosmann J.L., Giraud B.
Power trucks: Preventing the risk of lateral overturning
Chariot automoteur: prévenir le risque de renversement latéral [in French]
The objective of this practical safety information sheet on driver-operated forklift power trucks is to create awareness among users about the risk of lateral overturning and to outline safety measures. Contents: brief accident statistics; dangerous practices and manoeuvres; summary of regulations; preventive measures (choice of correct truck, driver restraint system, driver training, implementation of safety rules, adaptation of work organization and the workplace layout).
Travail et sécurité, Dec. 2005, No.657, 6p. Insert. Illus. 18 ref.
http://www.inrs.fr/INRS-PUB/inrs01.nsf/inrs01_search_view_view/F6F6D4B73506A234C12570D7004DCFDF/$FILE/ed125.pdf [in French]
Radio wave detection of persons on non-metallic material conveyors
La détection de personnes par ondes radioélectriques sur convoyeurs de matières non métalliques [in French]
Personal detection devices based on radio waves can ensure the prevention of accidents resulting from persons being drawn into the danger zone on non-metallic material conveyors. This article describes the context in which these devices are used, as well as their operating principles and limits. Technical and organizational measures aimed at ensuring failsafe personal detection in the danger zone are summarized and six types of currently installed devices are reviewed. Findings confirm that it is possible to significantly reduce the limitations of current systems by equipping workers with a detector badge operating frequency below 500MHz, allowing their detection despite the presence of obstructions.
Cahiers de notes documentaires - Hygiène et sécurité du travail, Sep. 2005, No.200, p.25-37. Illus. 13 ref.
http://www.hst.fr/inrs-pub/inrs01.nsf/IntranetObject-accesParReference/ND%202232/$File/ND2232.pdf [in French]
Darves-Bornoz M., Welitz G.
Prevention of hazards in the compacting zone
Prévention des risques en zone de compactage [in French]
Waste compactors are used to reduce volumes of wastes such as cardboard, printing industry trimmings, plastic bottles and industrial wastes. This practical safety information sheet applies to manually-fed horizontal hydraulic compactors. The main hazard associated with the use of this type of equipment is the risk of being crushed by the compacting head during normal operations, which include the feeding of waste, removal of unsuitable waste and recovery from jamming. Contents: main causes of accidents; preventive measures (compactor selection, access control, personal protective equipment, safety instructions, instructions to operators, organizational measures).
Travail et sécurité, Oct. 2005, No.655, insert 4p. Illus. 8 ref.
Bourbonnière R., Paques J.J., Monette C., Daigle R.
Safety circuit design guide - Introduction to the categories in ISO 13849-1:1999
Guide de conception des circuits de sécurité - Introduction aux catégories de la norme ISO 13849-1:1999 [in French]
This guide is aimed at engineers, engineering firms and enterprises that design, modify or implement control systems for the machines used in Quebec according to the categories in the international standard ISO 13849-1:1999. The overall risk assessment and reduction process according to ISO 12100 is presented. This is followed by eight examples of applications of protective devices, grouped into four categories. Each example includes details of the operation of the machine and the specific hazard under consideration, means of protection, factors considered in selecting the safety system, the electrical diagram of the proposed control circuit and its operation.
Institut de recherche Robert-Sauvé en santé et en sécurité du travail du Québec (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2005. iii, 74p. Illus. 35 ref. Price: CAD 7.49. Downloadable version (PDF format) free of charge.
http://www.irsst.qc.ca/files/documents/PubIRSST/R-405.pdf [in French]
Personnel detection by means of radiofrequency waves on non-metallic conveyors
Détection de personnes par ondes radioélectriques sur les convoyeurs de matières non métalliques [in French]
This guide explains a method for the detection of persons on non-metallic conveyor belts leading to scrap baling machines. The system involves the emission and detection of a radiofrequency wave from an electromagnetic badge worn by the person to be protected and from a radio beacon on the conveyor. Principles for ensuring the proper implementation of this safety device are described and the main technical and regulatory requirements are highlighted.
Institut national de recherche et de sécurité, 30 rue Olivier-Noyer, 75680 Paris Cedex 14, France, July 2005. 7p. Illus. 8 ref. Price: EUR 2.50. Downloadable version free of charge.
http://www.inrs.fr/INRS-PUB/inrs01.nsf/inrs01_search_view_view/10E17C3F456D13E2C1257076002AD51C/$FILE/ed959.pdf [in French]
Paques J.J., Bourbonnière R., Daigle R., Doucet P., Masson P., Micheau P., Lane J., Tardif J.
Transfer of competency in training in machine safety management and means of protection
Transfert de compétences en formation sur la gestion de la sécurité des machines et les moyens de protection [in French]
Inspectors of the Quebec Commission for Occupational Safety and Health (CSST) have been trained in risk evaluation for hazardous machines and in the use of safety devices, and can carry out effective interventions in plants that use such equipment. In response to a request from representatives of joint sector-based associations, plant engineering and maintenance personnel, and an engineering faculty, IRSST researchers helped the partners develop appropriate training activities based on the pedagogical material and methods used for training the CSST inspectors. In this context, they defined pedagogical objectives specific to each of the partners, prepared the required material and offered appropriate training. The method described in this report may be used to transfer competencies in other fields.
Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2005. iv, 27p. Illus. 9 ref. Price: CAD 6.42. Downloadable version (PDF format) free of charge.
http://www.irsst.qc.ca/files/documents/PubIRSST/R-394.pdf [in French]
Giraud L., Massé S., Vigneault S.
The maintenance of tree felling equipment - Identifying risks and exploring improvement possibilities
L'entretien des têtes d'abattage - Identification des risques et exploration des possibilités d'amélioration [in French]
Serious and even fatal accidents regularly occur with tree felling equipment, and more precisely with equipment using a mechanized head. Very little information is available for making these machines safe in a simple and rapid way. This study documents the ways in which operators and mechanics intervene on multifunctional felling heads. Information was collected on maintenance, existing safety devices, available training and accidents that have occurred. Analysis of the data identified possible solutions and research scenarios for making the maintenance of these machines safer and for making recommendations to the Quebec Commission for Occupational Safety and Health (Commission pour la santé et la sécurité du travail - CSST) joint sector-based committee for the forestry sector. These recommendations are included in the report.
Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, 2005. ix, 43p. Illus. 22 ref. Price: CAD 6.42. Downloadable version (PDF format) free of charge.
http://www.irsst.qc.ca/files/documents/PubIRSST/R-408.pdf [in French]
Hauptverband der gewerblichen Berufsgenossenschaften (HVBG)
Use of remote controls for trains
Betrieb von Funkfernsteuerungen bei Eisenbahnen [in German]
Contents of these guidelines of the German Mutual Occupational Accident Insurance Association on the use of remote controls for trains: scope; definitions; measures aimed at preventing the risk of fatalities and health impairment at work; date of entry into force. Appendices include the design of the last step of goods wagons, directives and related rules and standards.
Carl Heymanns Verlag KG, Luxemburgerstrasse 449, 50939 Köln, Germany, Jan. 2004. 18p. Illus.
http://www.bg-bahnen.de/pdf/bgr122.pdf [in German]
Ministério do Trabalho e Emprego
Workers' magazine: Alternative safety devices for machine protection
Revista do trabalhador: Dispositivos alternativos de proteção de máquinas [in Portuguese]
This videotape provides examples of simple, low-cost machinery protective devices that may be produced in the workplace.
Fundacentro, Rua Capote Valente 710, São Paulo, SP 05409-002, Brazil, [ca 2004]. Videotape (VHS format), 15min.
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