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Page Title: Table 3-1. Sample Hazard Assessment: Cleaning the Inside Surface of a Chemical/Radioactive Contaminated Tank - Top Manhole En...
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DOE-EM-STD-5503-94
TABLE 3-1
Sample Hazard Assessment: Cleaning the Inside Surface of a Chemical/Radioactive
Contaminated Tank Top Manhole Entry
Step
Hazard
Controls
4. Stage equipment.
Slips/trips/falls.
Provide ladders, harness, railings. (OSHA CFR 1910)
Heavy equipment operations.
Trained equipment operators.
5. Set up equipment.
Electrical hazards, motors not locked out and
Arrange hoses, cords, lines and equipment in orderly fashion, with
tagged.
room to maneuver safely.
Heavy equipment operations.
Use ground-fault circuit interrupter.
Trip or fall.
Have lockout and tag procedures.
Install blanks in flanges in piping to tank. (Isolate tank.)
Follow hoisting and rigging requirements.
Use mechanical-handling equipment.
Provide guardrails around work positions at tank top.
Provide lighting for tank (Class 1, Div. 1).
6. Prepare to enter tank.
Gas or liquid in tank.
Review emergency procedures.
Training.
Open tank.
Contamination control.
Perform a check of job site by industrial hygienist or safety
professional.
Test atmosphere in tank by qualified person (long probe).
3-7


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