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Questions and Answers
When using a portable ladder, what is the minimum distance above the upper ledge that the ladder needs to extend?
When using a portable ladder, what is the minimum distance above the upper ledge that the ladder needs to extend?
3 feet
When does a rope being used on a scaffold have to be replaced?
When does a rope being used on a scaffold have to be replaced?
Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay.
Abrasive wheels used for grinding shall be equipped:
Abrasive wheels used for grinding shall be equipped:
With safety guards or protection hoods
According to OSHA, who has the authority to change or adjust the shoring method of an excavation?
According to OSHA, who has the authority to change or adjust the shoring method of an excavation?
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According to OSHA, an LP Gas container containing 650 lbs. must be stored how many feet from the nearest building?
According to OSHA, an LP Gas container containing 650 lbs. must be stored how many feet from the nearest building?
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According to OSHA, what is the maximum allowable number of gallons of flammable liquid that can be stored in a room (and not in an approved container)?
According to OSHA, what is the maximum allowable number of gallons of flammable liquid that can be stored in a room (and not in an approved container)?
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According to OSHA, when erecting steel, who is permitted to work under a suspended load?
According to OSHA, when erecting steel, who is permitted to work under a suspended load?
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All hand-held powered drills, tappers, fastener drivers, horizontal, vertical, and angle grinders with wheels greater than 2 inches in diameter, disc sanders, belt sanders, reciprocating saws, saber saws, and other similar operating powered tools shall be equipped with?
All hand-held powered drills, tappers, fastener drivers, horizontal, vertical, and angle grinders with wheels greater than 2 inches in diameter, disc sanders, belt sanders, reciprocating saws, saber saws, and other similar operating powered tools shall be equipped with?
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All ladder jack scaffolds shall be limited to light duty and shall not exceed a height of how many feet above the floor or ground?
All ladder jack scaffolds shall be limited to light duty and shall not exceed a height of how many feet above the floor or ground?
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All portable, power driven circular saws shall be equipped with:
All portable, power driven circular saws shall be equipped with:
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As a project becomes larger and more complex, an emergency service plan must be completed. This plan must address which of the following?
As a project becomes larger and more complex, an emergency service plan must be completed. This plan must address which of the following?
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Each employee on a single-point or two-point adjustable suspension scaffold shall be protected by?
Each employee on a single-point or two-point adjustable suspension scaffold shall be protected by?
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Each employee who is constructing a leading edge shall be protected from falling when the distance to the lower level is:
Each employee who is constructing a leading edge shall be protected from falling when the distance to the lower level is:
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Electric hand tools shall be either grounded or:
Electric hand tools shall be either grounded or:
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Employees at the edge of an excavation shall be protected from falling by guardrail systems, fences, or barricades when the excavations are not readily seen because of plant growth or other visual barrier when the depth of the excavation is:
Employees at the edge of an excavation shall be protected from falling by guardrail systems, fences, or barricades when the excavations are not readily seen because of plant growth or other visual barrier when the depth of the excavation is:
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Excavated or other materials shall be effectively stored and retained at least how many feet or more from the edge of the excavation?
Excavated or other materials shall be effectively stored and retained at least how many feet or more from the edge of the excavation?
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According to OSHA requirements, bag materials stored on jobsite shall be stacked
According to OSHA requirements, bag materials stored on jobsite shall be stacked
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How often must cranes in regular service be inspected for leakage in air or hydraulic systems?
How often must cranes in regular service be inspected for leakage in air or hydraulic systems?
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Material stored inside buildings under construction shall not be placed within how many feet of an exterior wall which does not extend above the top of the material being stored?
Material stored inside buildings under construction shall not be placed within how many feet of an exterior wall which does not extend above the top of the material being stored?
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The contents of the first aid kit shall be placed in a weatherproof container with individually sealed packages for each type of item and shall be checked by the employer at least?
The contents of the first aid kit shall be placed in a weatherproof container with individually sealed packages for each type of item and shall be checked by the employer at least?
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The minimum clearance between scaffolds and insulated power lines with less than 300 volts shall be:
The minimum clearance between scaffolds and insulated power lines with less than 300 volts shall be:
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The OSHA requirements for formwork can be found in which Subpart ?
The OSHA requirements for formwork can be found in which Subpart ?
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Warning lines shall be flagged with high-visibility material at not more than how many feet from the edge of the roof?
Warning lines shall be flagged with high-visibility material at not more than how many feet from the edge of the roof?
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What has happened when a "kickout" occurs in an excavation?
What has happened when a "kickout" occurs in an excavation?
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What is the MINIMUM difference between work levels without protected sides or edges that require a fall protection system?
What is the MINIMUM difference between work levels without protected sides or edges that require a fall protection system?
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An oxygen enriched atmosphere has more than what percentage of oxygen by volume?
An oxygen enriched atmosphere has more than what percentage of oxygen by volume?
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What is the minimum working clearance of an electric panel under 150 Volts?
What is the minimum working clearance of an electric panel under 150 Volts?
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Which of the following types of eye protection is NOT suitable for an employee that wears corrective lenses (glasses)?
Which of the following types of eye protection is NOT suitable for an employee that wears corrective lenses (glasses)?
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When employees are required to work in trenches 4 feet or more in depth, a stairway, ladder, ramp or other means of egress shall be located so as to require no more than how many feet of lateral travel?
When employees are required to work in trenches 4 feet or more in depth, a stairway, ladder, ramp or other means of egress shall be located so as to require no more than how many feet of lateral travel?
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When hook-on and attachable ladders are used on a supported scaffold more than 35 feet high, they shall have rest platforms at what maximum vertical intervals?
When hook-on and attachable ladders are used on a supported scaffold more than 35 feet high, they shall have rest platforms at what maximum vertical intervals?
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When testing for atmospheric hazards in a confined space, what is the first item to test for?
When testing for atmospheric hazards in a confined space, what is the first item to test for?
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When the vertical distance from the working level to the level below is over 10 feet, the safety net shall extend outward from the outermost projection a minimum of how many feet?
When the vertical distance from the working level to the level below is over 10 feet, the safety net shall extend outward from the outermost projection a minimum of how many feet?
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Wire ropes on catenary scaffolds shall:
Wire ropes on catenary scaffolds shall:
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There shall be no ____ open or potential, between a system furnishing potable water and a system furnishing nonpotable water.
There shall be no ____ open or potential, between a system furnishing potable water and a system furnishing nonpotable water.
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How much greater is the assigned protection factor of a full facepiece mask air-purifying respirator over a half mask?
How much greater is the assigned protection factor of a full facepiece mask air-purifying respirator over a half mask?
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If a system is rated for 240v how many leads would be used as circuit conductor?
If a system is rated for 240v how many leads would be used as circuit conductor?
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According to OSHA, when may compressed air be used for cleaning dust from equipment?
According to OSHA, when may compressed air be used for cleaning dust from equipment?
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Anchorages used for attachment of personal fall arrest equipment shall be independent of any anchorage being used to support or suspend platforms and capable of supporting at least?
Anchorages used for attachment of personal fall arrest equipment shall be independent of any anchorage being used to support or suspend platforms and capable of supporting at least?
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A Portable fire extinguisher, rated not less than 2A, shall be provided for each 3,000 square feet of the protected building area. Travel distance from any point of the protected area to the nearest fire extinguisher shall not be more than how far?
A Portable fire extinguisher, rated not less than 2A, shall be provided for each 3,000 square feet of the protected building area. Travel distance from any point of the protected area to the nearest fire extinguisher shall not be more than how far?
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What is the maximum distance from the face for plastering and lathing operations can a scaffold platform be placed?
What is the maximum distance from the face for plastering and lathing operations can a scaffold platform be placed?
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Flammable liquids that are stored outside in piles or groups of containers shall not be nearer than ____ to a building
Flammable liquids that are stored outside in piles or groups of containers shall not be nearer than ____ to a building
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What is the minimum rear clearance of a temporary circulating room heating device?
What is the minimum rear clearance of a temporary circulating room heating device?
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What is the minimum rear clearance of a temporary radiant room heating device?
What is the minimum rear clearance of a temporary radiant room heating device?
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A guard rail is required for both equipment and employees when a cross over excavation exceeds ____ feet or more above lower levels?
A guard rail is required for both equipment and employees when a cross over excavation exceeds ____ feet or more above lower levels?
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An oxygen deficient atmosphere has less than ____ % oxygen by volume
An oxygen deficient atmosphere has less than ____ % oxygen by volume
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What is the side clearance of a temporary radiant type heater?
What is the side clearance of a temporary radiant type heater?
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What is the minimum dead weight that an anchorage or structural member must be able to support with an attached lifeline?
What is the minimum dead weight that an anchorage or structural member must be able to support with an attached lifeline?
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Driveways between and around combustible storage piles shall be at least ____ feet wide?
Driveways between and around combustible storage piles shall be at least ____ feet wide?
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Combustible materials can be piled a maximum of?
Combustible materials can be piled a maximum of?
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Open yard storage of portable fire extinguishing equipment shall be placed so the maximum travel distance to the nearest unit shall not exceed?
Open yard storage of portable fire extinguishing equipment shall be placed so the maximum travel distance to the nearest unit shall not exceed?
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A stairway or ladder shall be provided at all personnel points of access where there is a break in elevation of?
A stairway or ladder shall be provided at all personnel points of access where there is a break in elevation of?
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Excavations must be inspected every day plus ____.
Excavations must be inspected every day plus ____.
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A clearance of ____ shall be maintained around the path of travel of fire doors unless a barricade is provided, in which case no clearance is needed.
A clearance of ____ shall be maintained around the path of travel of fire doors unless a barricade is provided, in which case no clearance is needed.
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Material shall not be stored within ____ of a fire door opening?
Material shall not be stored within ____ of a fire door opening?
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Oxygen cylinders in storage shall be separated from fuel-gas cylinders or combustible materials a minimum distance of?
Oxygen cylinders in storage shall be separated from fuel-gas cylinders or combustible materials a minimum distance of?
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What is the maximum allowable slope of an excavation that is 18' deep and is classified as "Type B" soil?
What is the maximum allowable slope of an excavation that is 18' deep and is classified as "Type B" soil?
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What type of soil allows you to excavate and leave 90 degree, vertical sides that remain intact while exposed?
What type of soil allows you to excavate and leave 90 degree, vertical sides that remain intact while exposed?
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What is the minimum width of a workspace in front of an electrical panel box?
What is the minimum width of a workspace in front of an electrical panel box?
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Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay Operations involving use of the wire rope in question must be prohibited until?
Six randomly distributed broken wires in one rope lay or three broken wires in one strand in one rope lay Operations involving use of the wire rope in question must be prohibited until?
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When 3/4" diameter wire rope is used as a sling, how many inches can be damaged before a replacement is required?
When 3/4" diameter wire rope is used as a sling, how many inches can be damaged before a replacement is required?
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Study Notes
Portable Ladder Safety
- Minimum extension distance above upper ledge: 3 feet
Rope on Scaffold Replacement
- Six randomly broken wires in one rope layer, or three broken wires in one strand.
Excavation Shoring Authority
- Excavator is authorized to change/adjust shoring methods.
LP Gas Container Storage
- 650 lb LP gas container must be stored 10 feet from the nearest building.
Flammable Liquid Storage
- Maximum allowable flammable liquid storage (non-approved container): 25 gallons
Powered Hand Tools
- Hand-held power tools (drills, tappers, etc. with wheels >2 inches) require safety guards/protection hoods.
Ladder Jack Scaffold Height Limit
- Maximum height for ladder jack scaffolds: 20 feet above the floor/ground.
Portable Power Saws
- Portable power-driven circular saws require guards above and below the base plate
Emergency Service Plan
- Evacuation procedures must be addressed in a project emergency service plan for complex projects
Suspended Load Work
- Employee hooking the load is permitted to work under a suspended load during steel erection.
Electro-mechanical Tool Requirements
- All hand-held powered tools (drills, tappers, etc., with wheels greater than 2 inches, disc sanders, belt sanders, reciprocating saws, saber saws) must have momentary "on-off" controls and, optionally, lock-on controls.
Fall Protection for Scaffold Employees on Scaffold
- Employees on single-point or two-point adjustable suspension scaffolds require both personal fall arrest systems and guardrail systems
Protection at Excavations Edge
- When excavation depths are 6 feet or more, edge protection is required (guardrails, fences, barricades) if the excavation is not visible from plant growth.
Excavated Material Storage
- Excavated or other materials must be stored at least 2 feet away from the edge of the excavation in a stable arrangement. (e.g., back layers and cross-keying bags)
Crane Inspections
- Cranes in regular service must be inspected each shift for air or hydraulic leaks.
First-aid Kit Storage
- First-aid kits must be stored in a weatherproof container with individually sealed packages checked weekly by the employer.
Scaffold and Power Lines Clearance
- Minimum clearance between scaffolds and insulated power lines (<300 volts): 3 feet.
Warning Lines Placement
- Warning lines at roofs must be flagged with high-visibility material within 6 feet of the roof edge.
Oxygen Deficient Atmosphere
- An oxygen-enriched atmosphere has >23.5% oxygen by volume.
Electrical Panel Clearance
- Minimum working clearance for electrical panels (<150 volts): 3 sq ft.
Lateral Travel Distance in Trenches
- Trench systems (4 feet or greater depth) require stairway, ladder, ramp, etc., egress with maximum lateral travel of 25 feet.
Scaffold Ladder Placement
- Hook-on and attachable ladders on supported scaffolds taller than 35 ft need rest platforms at 35 ft intervals.
Confined Space Hazard Testing
- The first item to test for in confined spaces is atmospheric hazards.
Vertical Distance for Safety Nets
- When the vertical distance of a work level below is >10 feet, extend the safety net outward 13 feet from the outermost projection.
Scaffold Wire Rope Continuity
- Wire ropes on catenary scaffolds need to be continuous and without splices between anchors.
Water Systems Separation
- There must be no open or potential connection between potable water systems and non-potable water systems.
Face-Piece Mask Protection Factor
- Full-face-piece mask air-purifying respirators offer 5x more protection than half-mask respirators.
Wiring Lead Requirement for 240v system
- If a system is rated for 240V, four leads must be used as circuit conductors.
Combustible Equipment Cleaning
- Compressed air cleaning of equipment is permitted only when the cleaning is done after reducing the psi to less than 30 and providing chip guarding with PPE.
Travel Distance for Fire Extinguisher
- In protected building areas, fire extinguishers must be accessible within a 100 foot radius of any point in a 3000 sq ft area
Scaffold Platform Placement from Plastering/Lathing
- Maximum distance from a scaffold platform to the face of plastering and lathing operations is 18 inches.
Flammable Liquid Storage from Building
- Flammable liquids stored outside must be 20 feet away from any exterior wall.
Rear Clearance for Temporary Heating Devices
- Temporary circulating heating devices require 12 inches.
- Temporary radiant heating devices require a 36" side clearance.
Minimum Clearance in Storage Areas
- Combustible materials' minimum storage size is 20 feet.
- Oxygen cylinders must be separated from other fuel gas cylinders and combustible materials by at least 20 ft.
Stairways/Ladders in Elevation Breaks
- Stairways/ladders are necessary at all personnel points of access, when there is an elevation break of 19 inches or more.
Excavation Inspection Frequency
- Excavations are to be inspected daily and after rain.
Fire Door Clearance
- There is a required 24-inch clearance around the path of travel of fire doors.
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Description
Test your knowledge on crucial safety practices in construction, including ladder safety, scaffolding, and power tool guidelines. This quiz covers essential protocols that ensure a safe working environment on construction sites.
