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Extracted Text
1.8.2 Ladders shall conform to the requirements in Chapter II-3, Ladders and
Stepladders.
1.8.3 Ladders shall rest on the bottom of the excavation and shall extend at least
1 m (3 ft) above the top landing point.
1.8.4 Personnel shall not be in or near an excavation where they could be struck
by operating heavy equipment (e.g., trackhoes, rock breakers, backhoes).
Personnel shall not be within the operating radius of the equipment.
1.8.5 Personnel shall not be in an excavation where they could be exposed to a
possible cave-in, such as could be caused by equipment operating or
passing nearby. Personnel shall not be within a distance less than the depth
of the excavation from the edge where equipment is located. See Figure
1.15.
1.9.1 Atmospheric Testing
A. Gas tests shall be performed per GI 2.709 when there is reason to suspect
oxygen deficiency or the presence of a flammable/toxic atmosphere in an
excavation.
B. When using controls for the purpose of reducing atmospheric contaminants
to acceptable levels, gas testing shall be conducted on a regular basis and
before the work crew is to re-enter the excavation (e.g., after breaks, lunch)
to ensure that the atmosphere remains safe. See Chapter I-6, Confined
Spaces.
1.9.2 Exhaust Gases
When an internal combustion engine is used in or near an excavation,
precautions shall be taken to ensure that exhaust gases are discharged so as
not to be a hazard to personnel working in the excavation.
1.9.3 Hazardous Materials
A. When hazardous materials are known or suspected (e.g., sludge, asbestos),
excavation work shall not be started until the SA Environmental Protection
Department (EPD) is contacted and has evaluated the potential hazard(s)
and specified the precautions to be taken.
B. If materials suspected of being hazardous are unearthed during excavation
activities, all work shall stop until the material is identified by the SA EPD ,
appropriate removal and disposal procedures are established, and work
practices are modified as needed.
Stepladders.
1.8.3 Ladders shall rest on the bottom of the excavation and shall extend at least
1 m (3 ft) above the top landing point.
1.8.4 Personnel shall not be in or near an excavation where they could be struck
by operating heavy equipment (e.g., trackhoes, rock breakers, backhoes).
Personnel shall not be within the operating radius of the equipment.
1.8.5 Personnel shall not be in an excavation where they could be exposed to a
possible cave-in, such as could be caused by equipment operating or
passing nearby. Personnel shall not be within a distance less than the depth
of the excavation from the edge where equipment is located. See Figure
1.15.
1.9.1 Atmospheric Testing
A. Gas tests shall be performed per GI 2.709 when there is reason to suspect
oxygen deficiency or the presence of a flammable/toxic atmosphere in an
excavation.
B. When using controls for the purpose of reducing atmospheric contaminants
to acceptable levels, gas testing shall be conducted on a regular basis and
before the work crew is to re-enter the excavation (e.g., after breaks, lunch)
to ensure that the atmosphere remains safe. See Chapter I-6, Confined
Spaces.
1.9.2 Exhaust Gases
When an internal combustion engine is used in or near an excavation,
precautions shall be taken to ensure that exhaust gases are discharged so as
not to be a hazard to personnel working in the excavation.
1.9.3 Hazardous Materials
A. When hazardous materials are known or suspected (e.g., sludge, asbestos),
excavation work shall not be started until the SA Environmental Protection
Department (EPD) is contacted and has evaluated the potential hazard(s)
and specified the precautions to be taken.
B. If materials suspected of being hazardous are unearthed during excavation
activities, all work shall stop until the material is identified by the SA EPD ,
appropriate removal and disposal procedures are established, and work
practices are modified as needed.