OSHA 510 flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

General Duty Clause

OSHA Act Section 5(a)(1); requires employers to provide a workplace free of recognized hazards causing or likely to cause death or serious physical harm when no specific standard applies.

Construction standard applicability

29 CFR 1926 applies to construction, alteration, and repair including painting and decorating; where a 1926 standard is absent, applicable 1910 standards apply under 1926.20(a)(1).

Competent person definition

One who is capable of identifying existing and predictable hazards in the surroundings or working conditions and who has authorization to take prompt corrective measures to eliminate them.

Emergency action plan threshold

1926.35 requires a written emergency action plan for job sites with more than 10 employees; sites with 10 or fewer may communicate the plan orally to all employees.

Noise exposure limit

1926.52 Table D-1 permits 90 dBA for 8 hours, with a 5 dBA increase halving allowable duration: 95 dBA for 4 hours, 100 dBA for 2 hours, and 105 dBA for 1 hour.

PPE employer obligations

1926.95 requires employers to provide, use, and maintain PPE at no cost to employees, ensuring it is in sanitary and reliable condition and fits the hazard.

Fire extinguisher travel distance

1926.150(c)(1) requires at least one 2A-rated extinguisher per 3,000 square feet of protected building area, with travel distance not exceeding 100 feet.

Respiratory protection program

1926.103 adopts 1910.134, requiring a written program, medical evaluation, fit testing, training, and respirator maintenance when respirators are required.

Danger sign signal word

Under 1926.200, DANGER indicates an immediate hazard likely to cause death or serious injury and is used only where the hazard is immediate.

Materials stacking requirements

1926.250(b)(8) requires materials stored in tiers to be stacked, blocked, interlocked, and limited in height so they are stable and secure against sliding or collapse.

Rigging sling inspection

1926.251 requires rigging equipment and slings to be inspected before each use, removed from service when defective, and marked with rated capacity.

Powder-actuated tool operator

1926.302(e) requires powder-actuated tools to be used only by trained and certified employees, with eye protection and loading only after the tool is pointed.

Welding fire prevention

1926.352 requires removal of combustible materials from the welding area or use of guards and shields to prevent ignition of nearby combustibles.

Electrical lockout requirement

1926.417 requires circuits to be de-energized and locked out or tagged before work begins, with tags removed only by the person who applied them.

Scaffold load capacity

1926.451(a)(1) requires each scaffold and component to support its own weight and at least four times the maximum intended load without failure.

Scaffold fall protection threshold

1926.451(g) requires guardrail systems or personal fall arrest for employees on scaffold platforms more than 10 feet above a lower level.

Scaffold access prohibition

1926.451(e) requires safe access by ladder, stair tower, or ramp and prohibits employees from climbing cross braces to access scaffold platforms.

Fall protection trigger height

1926.501(b)(1) requires fall protection for employees on walking or working surfaces with an unprotected side or edge 6 feet or more above a lower level.

Personal fall arrest limits

1926.502(d) requires personal fall arrest systems to limit maximum arresting force to 1,800 pounds and arrest a fall within 3.5 feet.

Guardrail height requirement

1926.502(b) requires top rails at 42 inches plus or minus 3 inches and midrails at approximately 21 inches, each capable of withstanding 200 pounds.

Crane operator certification

1926.1427 requires crane operators to be qualified or certified by an accredited organization, with evaluation and documentation of operator competency.

Reverse signal alarm

1926.602(a)(9) requires earthmoving equipment operated in reverse to have an audible alarm, or a signal system, to warn employees in the area.

Trench egress requirement

1926.651(c)(2) requires a stairway, ladder, ramp, or other safe means of egress in trench excavations 4 feet or more deep, within 25 feet of lateral travel.

Excavation protective system threshold

1926.652(a)(1) requires protective systems such as sloping, shoring, or shielding for excavations 5 feet or more deep, unless entirely in stable rock.

Spoil pile setback

1926.651(i) requires excavated materials and equipment to be kept at least 2 feet from the edge of the excavation to prevent falls and collapse.

Steel erection fall protection

1926.760 requires fall protection for employees engaged in steel erection at 15 feet or more above a lower level, with specified exceptions and connectors.

Demolition engineering survey

1926.850 requires a competent person to conduct an engineering survey of the structure before demolition begins to determine structural condition and collapse risk.

Ladder training requirement

1926.1060 requires training for employees using ladders and stairways, covering hazards, proper use, and maximum load capacity, with retraining as needed.

Silica permissible exposure limit

1926.1152 sets a PEL of 50 micrograms per cubic meter of respirable crystalline silica as an 8-hour TWA, with an action level of 25 micrograms per cubic meter.

Hazard communication requirements

1926.59 adopts 1910.1200, requiring chemical inventory, labels, safety data sheets, and training for employees exposed to hazardous chemicals on site.

Fatality reporting timeframe

1904.39 requires employers to report work-related fatalities to OSHA within 8 hours and in-patient hospitalizations, amputations, or eye loss within 24 hours.

Recordable injury criteria

1904.7 defines a recordable case as one causing death, days away, restricted work, medical treatment beyond first aid, loss of consciousness, or significant diagnosis.