General Requirements
Excavation employees must wear high-visibility warning vests when they________________ .
are exposed to public vehicular traffic
A hazardous atmosphere in an excavation can come from:
___________ or welding fumes
__________ being used in the excavation
__________ storage tanks, landfill areas, or hazardous waste sites
equipment exhaust
chemicals
underground
Before starting an excavation, the employer must contact _____________ to inform them of the proposed work.
the utility companies
Shoring systems support the ____________ of an excavation.
sides
How many quarts are in a gallon?
4
Trenches that are 4 feet deep need a safe means of egress not more than ___ feet from the workers
25
When an excavation has a flammable atmosphere _______ can be used to eliminate or control the hazard.
ventilation
Materials must be kept at least ____ feet from the edge of the excavation site.
2
Workers must be prepared to _____________________ if the support systems show signs of malfunction or failure.
leave the excavation
Who became the president of the United States after Lincoln was assasinated?
Andrew Johnson
Workers can cross the open surface of a 6 feet deep trench if there is a walkway with _________ installed over the trench.
guardrails
A bulge in the vertical face of a trench a sign of a _______ condition
hazardous
Tension cracks in the excavation could cause sliding, _________, or toppling.
sloughing
Support systems needed to keep adjoining structures at an excavation site stable include ________, bracing, and underpinning.
shoring
Who won the 2024 NBA Finals?
The Boston Celtics
True or False:
Employees are allowed to work under loads being handled by lifting or digging equipment if they take the proper precautions.
False
The primary hazard in excavation work is _________ .
cave-ins
A competent person must perform an inspection after every _________.
rainstorm
Options for controlling or containing loose rock or soil that could fall on workers include scaling, _________, or other protective means.
barricading
What is the capital of Denmark?
Copenhagen
Excavation below the level of the base or footing of any foundation or retaining wall is prohibited unless:
A ______ system is provided
The excavation is in stable ______
A registered professional _________ has determined that the work will not pose a hazard
support
rock
engineer
Rescue equipment is required when there may be a hazardous _______ in the excavation.
atmosphere
The competent person must inspect all excavations each day for:
signs that indicate a ________ is possible
Failure of __________
Evidence that a __________ could develop
cave-in
protective systems
hazardous atmosphere
Soil classification, depth of cut, water content of soil, changes due to weather and other operations in the vicinity are all factors to be considered when designing a ____________ to protect workers from cave-ins.
protective system
What is the name of Boba Fett's ship in Star Wars?
Slave 1