Effects of ventilated safety helmets in a hot environment

Davis, Gerard A.; Edmisten, E.D.; Thomas, Robert E.; Rummer, Robert B.; Pascoe, David D.

doi:10.1016/s0169-8141(00)00059-7

Cited by 36 publications

(19 citation statements)

References 3 publications

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“…This equipment must be designed and modified according to the conditions and needs of the task (Thelin, 2002;Lefort et al, 2003;Kirk and Parker, 1994;Davis et al, 2000;Shaffer and Milburn, 1999;Montorselli et al, 2010). In New Zealand after risk identif ication research, such measures were suggested and different equipment were adapted or created (Sullman et al, 1999).…”

Section: Ways To Implement Labour Risk Prevention To Avoid Future Accmentioning

confidence: 99%

“…Some measures to make safety helmets more comfortable and safer have been proposed (Davis et al, 2000). In New Zealand, some improvements were also suggested to safety boots in an attempt to reduce slipping, researched hobnail boots with satisfactory results, although unfortunately in later years they went out of use due to the additional cost (Kirk and Parker, 1994).…”

Section: Ways To Implement Labour Risk Prevention To Avoid Future Accmentioning

confidence: 99%

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Safety and health in forest harvesting operations. Diagnosis and preventive actions. A review.

Albizu-Urionabarrenetxea

Tolosana

Román-Jordán

2013

For. syst.

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Aim of study: to review the present state of the art in relation to the main labour risks and the most relevant results of recent studies evaluating the safety and health conditions of the forest harvesting work and better ways to reduce accidents.Area of study: It focuses mainly on developed Countries, where the general concern about work risks prevention, together with the complex idiosyncrasy of forest work in forest harvesting operations, has led to a growing interest from the forest scientific and technical community.Material and Methods: The main bibliographic and Internet references have been identified using common reference analysis tools. Their conclusions and recommendations have been comprehensively summarized.Main results: Collection of the principal references and their most important conclusions relating to the main accident risk factors, their causes and consequences, the means used towards their prevention, both instrumental as well as in the aspects of training and business management, besides the influence of the growing mechanization of logging operations on those risks.Research highlights: Accident risk is higher in forest harvesting than in most other work sectors, and the main risk factors such as experience, age, seasonality, training, protective equipment, mechanization degree, etc. have been identif ied and studied. The paper summarizes some relevant results, one of the principal being that the proper entrepreneurial risk management is a key factor leading to the success in minimizing labour risks.

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Section: Ways To Implement Labour Risk Prevention To Avoid Future Accmentioning

confidence: 99%

Section: Ways To Implement Labour Risk Prevention To Avoid Future Accmentioning

confidence: 99%

Safety and health in forest harvesting operations. Diagnosis and preventive actions. A review.

Albizu-Urionabarrenetxea

Tolosana

Román-Jordán

2013

For. syst.

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“…Wearing such a helmet while working in hot environment has been reported [26][27][28][29] to be more comfortable compared with a helmet without vent holes. Obviously, the vent hole has a capacity for stopping the increase of humidity inside the helmet due to sweating.…”

Section: Asakura and Yamazakimentioning

confidence: 99%

Comparison of Subjective Symptoms and Hot Prevention Measures in Summer between Traffic Control Workers and Construction Workers in Japan

Inaba

Mirbod

2007

Ind Health

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In the present study, a survey on subjective symptoms and hot prevention measures in summer was conducted in 204 male traffic control workers and 115 male construction workers. Work loads of traffic control workers and construction workers were estimated at RMR 1-2 and RMR 2-4, respectively. A self-administered questionnaire was used to collect information on age, occupational career, working habit, present or past history of diseases, individual preventive measures to the heat, and subjective symptoms in the summer. Daily working hours in the sunshine of the traffic control workers were significantly longer than those of the construction workers. Prevalence rates of changing clothes frequently, avoiding direct exposure of face and neck to sunlight using towel like materials, and wearing sunglasses in the traffic control workers were significantly lower than the construction workers. Prevalence rates of symptoms in the upper extremities in the traffic control workers were significantly lower than those in the construction workers. Prevalence of work difficulty due to hot weather during work in the traffic control workers was significantly lower than the construction workers. On the basis of the results obtained, some preventive countermeasures to improve working environment are presented.

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“…Measurements on human subjects have the advantage to produce realistic data Bruhwiler (2003); GisolW et al (1988); John and Dawson (1989); SheYeld- Moore et al (1997) and Davis et al (2001) did all investigate skin temperature diVerences on the human body. However, skin temperature was measured over diVerent body parts or considered as an average scalp temperature and sweat production was measured by comparing nude body weight before and after the exercise.…”

Section: Introductionmentioning

confidence: 99%

Spatial differences in sensible and latent heat losses under a bicycle helmet

Bruyne

Aerts

Perre³

et al. 2008

Eur J Appl Physiol

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This research aims at quantifying spatial gradients in skin temperature and sweat production under a bicycle helmet. Distribution of sweat production, skin temperature and air temperature was measured at different positions under a bicycle helmet on five male and four female test persons. Effort level was 100 and 150 watt for men (low and high effort level) and 80 and 120 W for women (low and high effort level). Skin temperatures were found to be spatially different (P < 0.05): frontal and lateral region varied 4.6 degrees C at low effort level and 5.3 degrees C at high effort level. Sweat production was found to be not significantly different (P > 0.05). Finally, air temperature variations were found to be spatially different (P < 0.05). Average air temperature differed 2.3 degrees C between lateral and frontal region at high effort level and 2.7 degrees C at low effort level. The results of this research can be used to help designing helmets with better thermal comfort.

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Effects of ventilated safety helmets in a hot environment

Cited by 36 publications

References 3 publications

Safety and health in forest harvesting operations. Diagnosis and preventive actions. A review.

Safety and health in forest harvesting operations. Diagnosis and preventive actions. A review.

Comparison of Subjective Symptoms and Hot Prevention Measures in Summer between Traffic Control Workers and Construction Workers in Japan

Spatial differences in sensible and latent heat losses under a bicycle helmet

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