If removal is impracticable, alternate measures must be adopted under.One of the most widely misunderstood concepts in audio is signal transmission between equipment, specifically balanced and differential signaling. It states:It may be impracticable to remove hoses for some short duration breaks of 60 minutes or less, particularly where the confined space is large or where the removal of hoses may create some risks to workers, for example, when hoses are removed from scaffolding. Guidelines Part 9 - Personal Protective Equipment and Other Precautions.G9.47 Emergency escape respiratorIssued August 1, 1999Section 9.47 states 'Workers entering a confined space which contains a high hazard atmosphere must carry on their person or have within arm's reach an emergency escape respirator sufficient to permit them to leave the confined space without assistance.' The selection and use of appropriate escape respirators for high hazard atmosphere confined spaces must be in accordance to the requirements of part 8 of the OHS Regulation, particularly.G9.49 Removal of oxy-fuel torches and hoses from confined spacesIssued May 24, 2002Section 9.49 of the Occupational Health Safety Regulation states:When practicable, torches and hoses used for welding, brazing or cutting must be removed from a confined space when not in use and when the confined space is vacated.A 'Note' is included under section 9.49. Section 9.39(3) states 'If more than one confined space is to be entered at the same time, notification of rescue personnel to be on alert status at the commencement of work is adequate.' In determining the rescue services to be provided, the employer should assess the risks from workers entering into more than one space entry at the same time. Guidelines Part 9 - Rescue.G9.39 NotificationIssued August 1, 1999Section 9.39 of the OHS Regulation requires the notification of rescue persons before workers enter a confined space.
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