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 DC MUSEUM

SAFETY PRECAUTIONS FOR MEN WORKING IN CONFINED SPACES

  1. Confined spaces shall be aired for a 24-hour period whenever possible before working parties are allowed to enter. Airing reduces the danger of toxic gases.
  2. Before entering a confined space, a test should be made to determine the presence of toxic gases.
  3. The OOD shall be notified before a confined space is entered.
  4. A man entering a confined space must wear a lifeline and be tended by a competent observer equipped to render assistance.
  5. Depending on the space and conditions a gas mask may be worn. Some gases will render a person helpless without his realizing it.
  6. When painting in a confined space, a test lamp shall be kept burning. If the test lamp goes out, the space must be vacated immediately.