HAZARD ASSESSMENT: HAZARD POTENTIAL EFFECTS CONTROL O2 Deficiency. Worker could stop Perform atmospheric breathing. test and ensure O2 content is between 19.5% and 23.5%. Toxic or Irritating Worker could be Perform atmospheric atmosphere. exposed to airborne test (under SCBA or contaminants above SABA) to determine the occupational if breathing exposure level. apparatus are to be Mechanical Agitators may be in worn. equipment. the space that could Lockout all potential potentially harm energy sources prior workers. to allowing worker to enter confined Fluids. Fluids present slip space. and trip hazard. Workers to wear appropriate footwear to enter the confined Engulfment. Material within the space. space could fall on Workers entering top of worker confined space are causing the worker to don full body to be buried. harness with a lifeline attached which is monitored by safety standby person (if N.O.R.M. Overexposure to applicable). radiation present in Perform N.O.R.M. vessel. survey prior entry. Don appropriate PPE before entering Flammable vapors / Possibility of worker space. LEL. injury or equipment Perform atmospheric damage if explosion test to ensure no occurs with the LEL is present. Use presence of an only intrinsically safe ignition source. equipment in the Illumination. Lack of visibility confined space. could result in Ensure intrinsically worker injury and safe lighting is disorientation. present.
HAZARD ASSESSMENT: HAZARD O2 Deficiency. Toxic or Irritating atmosphere. Mechanical equipment. Fluids. Engulfment. N.O.R.M. Flammable vapors / LEL. Illumination. POTENTIAL EFFECTS Worker could stop breathing. Worker could be exposed to airborne contaminants above the occupational exposure level. Agitators may be in the space that could potentially harm workers. Fluids present slip and trip hazard. Material within the space could fall on top of worker causing the worker to be buried. Overexposure to radiation present in vessel. Possibility of worker injury or equipment damage if explosion occurs with the presence of an ignition source. Lack of visibility could result in worker injury and disorientation. CONTROL Perform atmospheric test and ensure O2 content is between 19.5% and 23.5%. Perform atmospheric test (under SCBA or SABA) to determine if breathing apparatus are to be worn. Lockout all potential energy sources prior to allowing worker to enter confined space. Workers to wear appropriate footwear to enter the confined space. Workers entering confined space are to don full body harness with a lifeline attached which is monitored by safety standby person (if applicable). Perform N.O.R.M. survey prior entry. Don appropriate PPE before entering space. Perform atmospheric test to ensure no LEL is present. Use only intrinsically safe equipment in the confined space. Ensure intrinsically safe lighting is present.
PROCEDURE%20-%20Confined%20Spaces%20-%20Leaving.docx