OSHA 30-Hour Construction Safety

What is the primary purpose of a safety management system (SMS) on a construction site?

• ATo track employee time and attendance
• BTo systematically identify, assess, and control workplace hazards through continuous impr…
• CTo manage project budgets and costs
• DTo schedule equipment deliveries

At what height does OSHA require fall protection for construction workers?

• A4 feet
• B6 feet
• C10 feet
• D15 feet

What are OSHA's 'Focus Four' construction hazards?

• AHeat, cold, noise, and vibration
• BFalls, struck-by, caught-in/between, and electrocution
• CFire, flood, earthquake, and tornado
• DChemicals, radiation, dust, and fumes

What is a Ground Fault Circuit Interrupter (GFCI) designed to protect against?

• AOverloaded circuits
• BGround faults that could cause electrocution
• CPower surges from lightning
• DShort circuits in motor windings

What is the hierarchy of controls for workplace hazards, listed from most to least effective?

• APPE, engineering controls, elimination
• BElimination, substitution, engineering controls, administrative controls, PPE
• CAdministrative controls, PPE, elimination
• DPPE, substitution, elimination, engineering controls

What must be provided when an excavation is 4 feet or deeper?

• AHard hats for all workers in the area
• BA safe means of access and egress within 25 feet of lateral travel
• COnly a warning tape at the edge
• DShoring on all four sides

What is a 'competent person' as defined by OSHA?

• AAny worker with a college degree
• BSomeone designated by the employer who can identify hazards and has authority to take cor…
• CA person who has passed the OSHA 30-hour course
• DThe project owner

What is the minimum distance workers must maintain from overhead power lines rated at 50 kV or less?

• A5 feet
• B10 feet
• C15 feet
• D20 feet

What does a Safety Data Sheet (SDS) provide?

• AEmployee contact information
• BDetailed information about a chemical's hazards, safe handling, storage, and emergency pr…
• CBuilding evacuation routes
• DEquipment maintenance schedules

When must scaffolding be inspected on a construction site?

• AWeekly by management
• BBefore each work shift by a competent person and after any event affecting structural int…
• CMonthly by an OSHA inspector
• DOnly when first erected

What is the purpose of accident investigation in a construction safety program?

• ATo determine who to blame for the accident
• BTo identify root causes of incidents and implement corrective actions to prevent recurren…
• CTo calculate workers' compensation costs
• DTo satisfy insurance company requirements only

What is the maximum load capacity classification for a 'light-duty' scaffold?

• A25 pounds per square foot
• B50 pounds per square foot
• C75 pounds per square foot
• D100 pounds per square foot

What PPE must employers provide at no cost to employees?

• AOnly hard hats
• BMost required PPE including hard hats, safety glasses, gloves, hearing protection, and fa…
• CNothing — workers buy their own PPE
• DOnly PPE that costs less than $50

What is ergonomics in the context of construction safety?

• AThe study of building architecture
• BThe science of designing work tasks, tools, and workstations to fit the worker's physical…
• CThe study of construction materials
• DThe process of scheduling work shifts

What is the purpose of a fall protection plan?

• ATo document the cost of fall protection equipment
• BTo outline how the employer will protect workers from fall hazards and identify the metho…
• CTo list the names of workers who are afraid of heights
• DTo plan the schedule for scaffold construction

What is a confined space on a construction site?

• AAny space that is uncomfortable to work in
• BA space large enough to enter, has limited entry/exit, and is not designed for continuous…
• CA small tool shed
• DAn indoor work area

Under OSHA, when must employers report a workplace fatality?

• AWithin 24 hours
• BWithin 8 hours
• CWithin 30 days
• DWithin 1 week

What is the purpose of a crane pre-operation inspection?

• ATo check the crane's paint condition
• BTo verify that all crane components are functioning properly and safely before beginning…
• CTo measure the crane's fuel level only
• DTo document the crane's age

What type of health hazard can result from long-term exposure to construction dust containing crystalline silica?

• ATemporary headache
• BSilicosis, lung cancer, and chronic obstructive pulmonary disease (COPD)
• CMinor skin irritation only
• DNo health effects if exposure is gradual

What is the General Duty Clause of the OSH Act?

• AA requirement for all employers to have a safety manual
• BA clause requiring employers to provide a workplace free from recognized hazards likely t…
• CA provision that allows OSHA to inspect any workplace at any time
• DA mandate requiring safety training for all workers

What is the role of a safety monitor in a controlled access zone?

• ATo record attendance of workers entering the zone
• BTo warn workers when they are approaching or are in danger of falling and to ensure no on…
• CTo monitor weather conditions
• DTo supervise concrete placement

What elements should a comprehensive accident investigation include?

• AOnly witness statements
• BA description of the incident, witness interviews, physical evidence analysis, root cause…
• COnly photographs of the scene
• DA determination of which worker was at fault

What does OSHA require for crane operators in terms of certification?

• ANo certification is required
• BCrane operators must be certified by an accredited crane operator testing organization or…
• COnly a driver's license is needed
• DSelf-certification is sufficient

What is the purpose of a confined space rescue plan?

• ATo describe how to get equipment into the confined space
• BTo establish procedures and resources for rescuing workers who become incapacitated insid…
• CTo plan the daily work schedule inside the confined space
• DTo document the cost of confined space equipment

What is the difference between leading and lagging safety indicators?

• ALeading indicators are from the past; lagging indicators predict the future
• BLeading indicators are proactive measures that predict safety performance; lagging indica…
• CLeading indicators are more important; lagging indicators are irrelevant
• DThey are the same thing with different names

What ergonomic risk factor is associated with operating a jackhammer for extended periods?

• AChemical exposure
• BWhole-body vibration and hand-arm vibration syndrome (HAVS)
• CRadiation exposure
• DHeat stress only

What is the maximum free-fall distance permitted by OSHA for a personal fall arrest system?

• A4 feet
• B6 feet
• C8 feet
• D10 feet

What health hazards are associated with lead exposure in construction?

• AOnly minor skin irritation
• BNeurological damage, kidney disease, reproductive harm, high blood pressure, and anemia
• CTemporary hearing loss
• DOnly respiratory irritation

What must be included in a written fall protection plan for leading edge work?

• AOnly a list of workers who will be exposed to fall hazards
• BIdentification of fall hazards, the method of fall protection for each hazard, procedures…
• COnly the cost of fall protection equipment
• DOnly the name of the competent person

What is the critical lift planning threshold for crane operations?

• AAny lift over 5,000 pounds
• BLifts that exceed 75% of the crane's rated capacity, lifts near power lines, or lifts ove…
• CAny lift requiring a crane
• DOnly lifts involving personnel hoisting

What are the atmospheric testing requirements before entering a permit-required confined space?

• ATest only for oxygen
• BTest for oxygen levels, flammable gases, and toxic contaminants in that specific order
• CTest for temperature and humidity only
• DNo testing is required if the space looks safe

What is the purpose of a site-specific safety plan (SSSP)?

• ATo list all project subcontractors
• BTo document the specific hazards, safety procedures, emergency plans, and responsible per…
• CTo create the project schedule
• DTo track project costs

What is 'root cause analysis' in the context of accident investigation?

• AFinding out who caused the accident
• BA systematic process to identify the fundamental underlying reasons why an incident occur…
• CDetermining the financial cost of the accident
• DReviewing security camera footage

What is the maximum sloping ratio for Type B soil in excavations up to 20 feet deep?

• A0.75:1 (53°)
• B1:1 (45°)
• C1.5:1 (34°)
• D2:1 (27°)