Soils Final OSHA PP 4
UPDATED ACTUAL Questions and CORRECT Answers
Question: What do 'gen- eral requirements' in OSHA stan- dard 29 CFR Part 1926.650-652 Sub- part P
cover?
Correct Answer: addresses hazardous conditions and exposures at the excavation site -30% of fatalities
at excavation sites are due to hazardous conditions
Question: Minimum require- ments for general requirements...
Correct Answer: 12 subparts labeled A-L
Question: Surface Encum- brances (A)
Correct Answer: -hazardous surcharge loads along the excavation line -Required: remove or support
encumbrances from the construction site -if the surcharges can't be eliminated,
workers must be removed from the excavation -can include light poles, utilities, and
adjacent structures
Question: Surface Encum- brances Actions (A)
Correct Answer: -establish a limited access zone around the edge of the excavation -allow only
essential equipment and materials into this sensitive area
Question: Underground In- stallations (B)
Correct Answer: -underground utilities shall be located, protected, removed, as necessary -can include:
sewer, telephone, fuel, electric, water lines -contact utilities owner 24 hrs prior to
excavation OSHA, states 48-72 hrs
Question: Underground In- stallations Actions (B)
Correct Answer: 4 steps required: 1) location of utility installations shall be determined prior to
excavation 2) contact utility companies prior to excavation 3) during excavation,
determine location of utility installations 4) during excavation, protect, support, or
remove underground installation to safeguard employees
, Question: Underground In- stallations Toler- ance Zones
Correct Answer: OSHA does not define a distance for this zone One Call System : 24'' on either side
of the utility hand dig within the tolerance zone
Question: Access and Egress (C)
Correct Answer: requirement: safe access and egress to all excavations for employees working in
trench 4' or deeper
Question: -ramp -stairway, ladder -steps should be located within 25' of all workers for trenches that
are 4' deep or more & come 3' above the edge
Correct Answer: Means of Egress
Question: -select the preferred method to gain access and egress based on site conditions -identify
persons qualified in structural design to design members for access and egress -inspect the
use of ladders and ramps -exercise authority to evacuate workers in case of unsafe
excavations
Correct Answer: Access & Egress Competent Person Actions (C)
Question: Exposure to Vehic- ular Traffic (D)
Correct Answer: requirement: employees exposed to public vehicular traffic shall be provided with
and shall wear warning vests or other garments made of reflectorized or
high-visibility material -require to train employees on the use of barricades and
flagging techniques
Question: Exposure to Falling Loads (E)
Correct Answer: -employees are not permitted underneath loads handled by lifting or digging
equipment -employees are required to stand away from vehicles being loaded or
unloaded -operators may remain in the cabs of vehicles being loaded or unloaded
UPDATED ACTUAL Questions and CORRECT Answers
Question: What do 'gen- eral requirements' in OSHA stan- dard 29 CFR Part 1926.650-652 Sub- part P
cover?
Correct Answer: addresses hazardous conditions and exposures at the excavation site -30% of fatalities
at excavation sites are due to hazardous conditions
Question: Minimum require- ments for general requirements...
Correct Answer: 12 subparts labeled A-L
Question: Surface Encum- brances (A)
Correct Answer: -hazardous surcharge loads along the excavation line -Required: remove or support
encumbrances from the construction site -if the surcharges can't be eliminated,
workers must be removed from the excavation -can include light poles, utilities, and
adjacent structures
Question: Surface Encum- brances Actions (A)
Correct Answer: -establish a limited access zone around the edge of the excavation -allow only
essential equipment and materials into this sensitive area
Question: Underground In- stallations (B)
Correct Answer: -underground utilities shall be located, protected, removed, as necessary -can include:
sewer, telephone, fuel, electric, water lines -contact utilities owner 24 hrs prior to
excavation OSHA, states 48-72 hrs
Question: Underground In- stallations Actions (B)
Correct Answer: 4 steps required: 1) location of utility installations shall be determined prior to
excavation 2) contact utility companies prior to excavation 3) during excavation,
determine location of utility installations 4) during excavation, protect, support, or
remove underground installation to safeguard employees
, Question: Underground In- stallations Toler- ance Zones
Correct Answer: OSHA does not define a distance for this zone One Call System : 24'' on either side
of the utility hand dig within the tolerance zone
Question: Access and Egress (C)
Correct Answer: requirement: safe access and egress to all excavations for employees working in
trench 4' or deeper
Question: -ramp -stairway, ladder -steps should be located within 25' of all workers for trenches that
are 4' deep or more & come 3' above the edge
Correct Answer: Means of Egress
Question: -select the preferred method to gain access and egress based on site conditions -identify
persons qualified in structural design to design members for access and egress -inspect the
use of ladders and ramps -exercise authority to evacuate workers in case of unsafe
excavations
Correct Answer: Access & Egress Competent Person Actions (C)
Question: Exposure to Vehic- ular Traffic (D)
Correct Answer: requirement: employees exposed to public vehicular traffic shall be provided with
and shall wear warning vests or other garments made of reflectorized or
high-visibility material -require to train employees on the use of barricades and
flagging techniques
Question: Exposure to Falling Loads (E)
Correct Answer: -employees are not permitted underneath loads handled by lifting or digging
equipment -employees are required to stand away from vehicles being loaded or
unloaded -operators may remain in the cabs of vehicles being loaded or unloaded
