2015-12-01 12:00 - Messages

Cranes guidance material

This guidance provides information on how to manage the risks at a workplace associated with the inspection, maintenance and operation of cranes and other plant types, including quick hitches for earthmoving machinery.

It includes:
•guidance on managing risks associated with cranes, including tower cranes and mobile cranes
•information sheets on how to manage risks associated with a number of crane variants and attachments, including:
•bridge and gantry cranes
•powered mobile plant used as a crane
•vessel mounted cranes
•vehicle loading cranes, and
•crane-lifted work boxes
•an information sheet on quick hitches for earthmoving machinery

Source: http://www.safeworkaustralia.gov.au/sites/swa/about/publications/pages/guidance-cranes

Grues à tour

Détermination de la configuration de stabilisation. Prise en compte du vent hors service
Les grues à tour, en raison de leur légèreté et de leur hauteur, sont des structures sensibles au vent. Dans certaines conditions et selon l'environnement considéré, des vents violents peuvent mettre en péril leur stabilité et entraîner leur renversement. L'objet de ce guide est de repréciser les régles de détermination du vent hors service, en intégrant la prise en compte des effets de site.
Il Un logiciel de calcul, permettant la détermination du vent hors service et téléchargeable sur le site, est présenté en annexe.

Source: http://www.inrs.fr/media.html?refINRS=ED%206176

Design and application of a 5 step risk assessment tool for confined space entries

Many serious accidents related to work in confined spaces still occur. Despite all the regulatory and standard-setting efforts that have been made, organizations seem to have difficulties with risk assessment for interventions in confined spaces. Risk identification and estimation were not carried out in most of fatal accidents. This paper proposes a 5 step risk assessment tool for confined spaces based on risk management standards. The tool was tested by 22 experts in managing entries in confined spaces, including experts during 10 visits in different organizations. Step 1 consists of a questionnaire to describe the configuration of the selected confined space, its environment and the work situations. The answers generate predefined types of risk such as mechanical, atmospheric, falling, chemical, and biological. Step 2 describes the components of risks (i.e., hazards, hazardous activity, hazardous event, harm). Step 3 estimates risk using adapted risk parameters and matrix. Step 4 categorizes the intervention by class and level of risk. Step 5 is a feedback loop for estimating residual risks after risk reduction measures have been taken. This tool enables to (i) carry out comprehensive risk identification by analyzing all the risk factors during an intervention in a confined space, (ii) categorize interventions and rescue conditions by using specific criteria, (iii) determine if two situations are indeed identical in terms of risks, (iv) decide if intervention planned meets the permit required confined spaces definition, (v) evaluate if external rescue is feasible, and (iv) decide if the residual risks are acceptable.

Source: Burlet-Vienney D, Chinniah Y, Bahloul A, Roberge B. Safety Sci. December 2015; 80, p. 144-155.
http://dx.doi.org/10.1016/j.ssci.2015.07.022

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