OSHA Flashcards
: A contractor agrees with a subcontractor to divide job site responsibilities, such as providing safety programs, temporary sanitation facilities, etc. Is this legal?
This is legal, however, the contractor cannot be relieved of overall responsibility.
Who is responsible for providing safety training for employees?
The employer
Who is responsible for providing first aid services and provisions for medical care for employees?
The employer
Containers used for storing flammable waste shall be equipped with:
Covers
The common drinking cup is:
Always prohibited
What is the minimum number of urinals and toilet seats for 200 employees?
4
An employee is exposed to a noise decibel level of: 110 db for ¼ hour, 100 db for ½ hours and 90 db for 1 ½ hours. The equivalent noise exposure:
Does not exceed unity, the exposure is within permissible limits
Exposure to impulsive or impact noise should not exceed how many decibels peak sound pressure level?
140 decibels
The minimum illumination in active general construction storage areas is:
3 foot-candles
The contractor has which responsibility in relation to hard hats?
He must require their use and supply them
Eye protection near dangerous working conditions:
Is required at the employer’s cost
A safety belt lanyard shall be a minimum of ½ inch nylon and a maximum length to provide for a fall of:
No greater than 6 feet
Safety belt lanyards shall be:
A minimum of ½” nylon
Safety nets shall extend how far beyond the edge of the work surface.
8’ Feet
Which extinguisher will extinguish a Class B fire?
Foam, carbon dioxide, dry chemical
What type of extinguisher will not extinguish a Class A fire?
Sodium
No more than how many gallons of flammable liquids shall be stored in a room outside of an approved storage cabinet?
25 gallons
Room heaters are considered to be temporary heating devices, and as such, they should have a minimum side clearance, rear clearance, and chimney clearances of many inches?
12” side, 12” rear and 18” chimney clearance
Temporary heaters shall be located a minimum of how many feet from combustible tarpaulins?
10 Feet
Material stored inside buildings under construction shall not be placed within how many feet of an exterior wall.
10 Feet
Loose brick stacks shall not be more than how many feet in height?
7’ Feet
When masonry blocks are stacked higher than how many feet, the stack shall be tapered back one-half block per tier above the top level?
6’ Feet
What should be done with used lumber before it is stacked?
Remove nails
Lumber piles shall not exceed how many feet in height when handled manually?
16’ Feet
Lumber piles shall not exceed what height if stacked with equipment?
20’ Feet
Rigging for equipment handling shall be inspected prior to use on each shift and as necessary during its use to ensure that it is safe. Defective rigging equipment shall be:
Removed from service
Whenever materials are dropped to any point lying outside the exterior walls of the building, an enclosed chute of wood, or equivalent material, shall be used if the distance is more than how many feet?
20’ Feet
When debris is dropped through holes in the floor without the use of chutes, the area onto which the material is dropped shall be completely enclosed with barricades not less than 42 inches high and not less than how many feet back from the projected edge of the opening above?
6’ Feet
Hand held power tools must have:
A positive “on-off” control
Electric hand tools shall be either grounded or:
Double insulated
The use of electrical cords for hoisting or lowering shall the tool:
Not be permitted
Pneumatic tools must have a safety mechanism that will not allow firing of more than how many psi?
100 psi.
The maximum compressed air pressure that should be used for cleaning purposes is:
30 psi
Employees must have proper training in the operation of a powder actuated tool before:
They shall be allowed to operate it
All portable, power driven circular saws shall be equipped with:
Guards above and below the base plate
Abrasive wheels used for grinding shall be equipped:
With safety guards or protection hoods
Cylinders shall be moved by:
Tilting and rolling them on their bottom edges
When gas cylinders are frozen, how are valves and protection caps loosened?
Use warm water to thaw cylinders loose
Unless gas cylinders are firmly secured on a special carrier intended for this purpose:
Regulators shall be removed and valve protection caps installed
Compressed gas cylinders shall be secured:
In an upright position
Oxygen cylinders shall be kept away from what substances as per OSHA?
Fuel-gas cylinders or combustible materials
When a special wrench is required to open a fuel gas cylinder, you shall:
Leave the wrench in position on the stem for emergency shut-off
Whenever practical, all arc welding and cutting operations shall be:
Shielded by noncombustible screens
A welder is lowered through a small opening on a lifeline. How is he protected?
An attendant with a pre-planned rescue procedure shall be stationed outside to observe the welder and be capable of putting rescue operations into effect
What is the MINIMUM difference between work levels without protected sides or edges that require a fall protection system?
6’ Feet
Each employee who is constructing a leading edge shall be protected from falling when the distance to the lower level is:
6 feet or more
Employees shall be protected from falling through holes in working surfaces when the working surface is how far above the lower level?
6 feet or more
Each employee on the face of formwork should be protected from falling with each of the following except:
Guard rail systems
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:
6’ or more
Employees having to reach below the level of the working surface must be protected from falling if the distance to reach is over:
10” Inches
Roofers working on low slope roofs:
Must be protected from falling
Roofers working on steep slope roofs:
Must be protected from falling
The top edge height of a guardrail system shall be:
42”, plus or minus 3 “
When screens and mesh are used with guardrails, they shall:
Extend from the top guardrail to the walking surface
Balusters used in guardrail systems shall not be more than how many inches apart?
19” Inches
Top rails of guardrails shall be at least what diameter?
1/4” inch
If wire rope is used for top rails of guardrails, at what intervals shall it be flagged?
Not more than 6 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?
13’ Feet
What is the correct way to test a safety net used for fall protection?
Drop test with a 400 lb bag from the highest walking surface
Connections between safety net panels shall be as strong as the integral net components and shall be spaced not more than:
6” inches apart
The safety factor for horizontal lifelines shall be a minimum of:
2
What is the location of the attachment point of a body harness?
In the center of the back, near shoulder level
If damage or deterioration is found when inspecting personal fall arrest systems:
They shall be removed from service
Points of access, material handling areas, storage areas, and hoisting areas shall be connected to the work area by:
An access path formed by two warning lines
Covers for holes in floors and roofs shall be able to support:
Twice the weight that may be imposed on them
While doing roofing work, materials and equipment shall not be stored within how many feet of the edge if guardrails are not installed?
6’ Feet
When an employer needs to use a fall protection system that differs from normal standards, it must be:
Site specific
What is done when defective safety lanyards are discovered during an inspection?
It is removed immediately
For lines rated 50 KV or below, OSHA requires a minimum clearance between the lines and any part of a crane load of how many feet?
10’ Feet
Hoist towers outside the structure shall be enclosed:
For the full height on the side or sides used for entrance and exit to the structure
When a hoist tower is located inside a building, it shall be:
Enclosed on all 4 sides the entire height
Pneumatic-tired earth moving equipment whose maximum speed exceeds what speed shall be equipped with fenders.
15 mph
Overhead canopies on site clearing equipment shall have openings no greater than:
1” inch
A kickout:
Is an accidental release or failure of a cross brace
The trench excavation is made below the surface of the ground. In general, the depth is greater than the width, but the width of a trench is not greater than how many feet?
15 feet
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?
25 feet
Oxygen deficiency can reasonably be expected to exist in excavations in landfill areas. The atmospheres in the excavation shall be tested before employees enter excavations with a depth greater than:
4’ Feet
Excavated or other materials shall be effectively stored and retained at least how many feet or more from the edge of the excavation?
2 feet
Banks of more than how many feet shall be shored or laid back to a stable slope, or some other equivalent means of protection shall be provided where employees may be exposed to moving ground or cave-ins?
5’
Excavations shall be sloped at an angle not steeper than:
1 ½ : 1
Designs of support systems and shield systems shall be:
In written form
Excavations of earth material cannot exceed a level how many feet below the bottom of the shield?
2’ Feet
A cohesive soil with an unconfirmed compressive strength of 1.5 ton per square foot or greater is classified as :
Type A
What type of soil classification is given to sand?
Type C
Which one of the following is NOT part of a manual soil analysis test?
Sand Cone Test
The maximum allowable slope for excavation less than 20 feet in depth for type C soil is:
1 ½ horizontal to 1 vertical
OSHA requires masonry walls taller than how many feet to be braced.
8’ Feet
A steel erection contractor shall not erect steel unless it has received written notification that the concrete has attained what percentage of the minimum intended compressive strength?
75%
The maximum allowable number of floors that can be erected between the permanent floor and the top of the erected steel frame shall not be more than:
8 stories
At no time shall there be more than how many floors or how many feet, whichever is less, of unfinished bolting or welding above the foundation or uppermost permanently secured floor?
Four floors, 48 feet
A fully planked or decked floor or nets shall be maintained within what distance directly under any erection work being performed?
Two stories or 30 feet, whichever is less
Perimeter columns shall extend a minimum of how many inches above the finished floor?
48” Inches
What is the maximum weight of steel joist bridging that can be hoisted?
1,000 lbs.
To prevent dangerous or harmful accumulation of dusts, fumes, mists, vapors or gases:
Fresh air shall be supplied to all underground work areas in sufficient quantities
Prior to the demolition of a building, what needs to be done?
An engineering survey of the building must be done by a competent person
When debris is dropped through holes in the floor without the use of chutes, the area onto which the material is dropped shall be completely enclosed with barricades not less than how many inches high?
42 inches
Stairs shall be installed at angles to the horizontal of between what degrees?
30 and 50
On stairways less than 44 inches wide having both sides enclosed, at least:
— 1 handrail shall be installed
The minimum perpendicular clearance between fixed ladder rungs shall be:
7 inches
A fixed ladder must extend how many inches above the top of the platform it is reaching to?
42 inches
A portable ladder must extend how many feet above the landing surface?
3 Feet
Ladders placed against a wall should be sloped so that the horizontal distance from the toe of the ladder to the wall is what working length of the ladder?
1/4
The top or top step of a stepladder shall:
Not be used as a step
When ascending or descending a ladder, the user shall:
Face the ladder
What type of problem is NOT caused by asbestos?
Angina
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?
Once a Week
Confined or enclosed space is defined as:
Any space having limited means of egress, which is subject to the accumulation of toxic or flammable contaminants are has an oxygen deficit atmosphere
Not more than ____ gallons of Category 1, 2 and/or 3 flammable liquids or 120 gallons of Category 4 flammable liquids shall be stored in any one storage cabinet.
60 Gallons
How do you stack bagged material?
Stepping back the layers and Cross – keying bags at least every 10 bags high
What is the proper storage of solvent waste empty volatile containers until disposed of or removed from the jobsite?
Keep in a fire resistant covered container
The point of operation of machines whose operation exposes an employee to injury, shall be:
Guarded
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?
A momentary contact ‘‘on-off’’ control and may have a lockon control provided that turnoff can be accomplished by a single motion of the same finger or fingers that turn it on
Oxygen and acetylene hoses shall be inspected how often?
At the beginning of every shift
Oxygen from a shall never be used for?
Ventilation purposes, comfort cooling, blowing dust from clothing are for cleaning the work area
When mechanical equipment is not being used, the warning line shall be erected not less than _____ from the roof edge.
6 Feet
Warning lines stanchions shall be capable of withstand a force up to ____ without tipping over.
16 Pounds
When equipment is being used or moved around power lines. The lines will be considered live unless.
They have been de-energized and visibly grounded at the point of work
Where employees or equipment are required or permitted to cross over excavations, guardrails must comply with 1926.502(b) requirements and are required where the walkways are ______ more above the lower level.
6 foot or more
If a protective shield (trench box) is in use at a jobsite. What must also be kept on-site?
Tabulated data and name of engineer
All steel columns shall be anchored by a minimum of?
Four anchor rod/ anchor bolts
What protective clothing must the employer supply and is required when working with hazardous material?
All of the above. (Gloves, Masks, and Goggles)
When landing a bundle of decking on steel joists, the total maximum weight of a bundle of decking cannot exceed
4,000 lbs
The edge of a construction load shall be placed within _____ of the bearing surface of the joist end.
1 Foot
Each employee engaged in a steel erection activities, who is on a walking/working surface with an unprotected side or edge more than ________ feet above the lower level shall be protected from fall hazards by guardrail system, safety net system, personal fall arrest system.
15 Feet above
The employer shall maintain ___________ that will ensure that above ground personnel can determine an accurate count of the number of persons underground in the event of an emergency.
Check in check out Procedure
How should rubber gloves that are required for protection of the employee be tested?
Tested with air
On a lineman’s body belt a maximum of four tool loops shall be situated on the body belt, so that a minimum of _____ in the center of the back from the D ring to D ring shall be free of tool loops or any other attachment.
4 inches
When landing a load of metal decking on a building, where is the metal decking placed?
Placed on a minimum of 3 steel joists
Hoisting cables shall not be released until the seat at each end of the steel joist is?
Field bolted and stabilized
Who is responsible for the written certification training record that contains the name and identity of employee trained, the dates of the training and the signature of the employee?
The employer
All covers shall be color-coded or they shall be marked to provide warning of the hazard with the word(s)?
“Hole” or “Cover”
Warning lines shall be flagged with high-visibility material at not more than how many feet
6 feet
Warning lines shall consist of?
Any of the above
What is the maximum space between intermediate ties on scaffold with a 36” base?
26’
What is the maximum scaffold working distance from the face for plastering and lathing operations?
18 inches
What is the correct procedure to attach a regulator to a cylinder valve?
Open the valve slightly and close immediately to blow out any dirt and debris before connecting the regulator
According to OSHA, refuse containers used to store flammable materials MUST be what?
Covered
A confined space should be tested:
Prior to each time entering and when the internal atmosphere is tested
An employer has eight employees and has just moved into a new facility, What does OSHA require regarding emergency procedures
The employer review, orally all of emergency procedures with each employee
Is it the responsibility of the employer to provide a portable defibrillator?
No
What type of eye protection is NOT appropriate for employees who wear spectacles with corrective lenses (glasses)?
Protective goggles with general magnification lenses
What can be substituted for a 2A fire extinguisher?
One 55-gallon open drum of water with two fire pails
When construction is underway on a project, all scrap lumber, waste materials, and rubbish shall be:
Removed from the work area as the work progresses
A power saw will require what type of guarding?
Point of operation
Bricklaying employees having to reach below the level of the working surface must be protected from falling if the distance of reach is over:
10 inches
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?
13 feet
Effective on January 1, 1998, which device is no longer acceptable as a personal fall arrest system?
Body belt
True or False Personal fall arrest systems shall not be attached to guardrail systems
True
When anchoring a safety lanyard to an existing structure such as an I beam or steel members the snap hook on the lanyard should never be clipped to?
Itself
Hoist towers outside the structure shall be enclosed:
For the full height on the side or sides used for entrance and exit to the structure
When a hoist tower is located inside a building, it shall be: Enclosed on all 4 sides the entire height. 1926.552(c) (2)
Enclosed on all 4 sides the entire height
Where steel joist are 60 feet or less. The joist shall be designed with sufficient strength to allow one employee to release the hoisting cable without the need of?
Erection bridging
Each end of a K-series steel joists shall be attached to the support structure with a minimum of?
Two 1/8 inch fillet welds 1 inch long, or with two ½ inch bolts
Each end of “LH” (Long Span) and “DLH” (Deep Long Span) series steel joist/girder shall be attached to the support structure with a minimum of?
Two ¼ inch fillet welds 2 inches long, or with two 3/4 inch bolts
When steel joist spans are more than 100 feet, when should the hoisting cables be released?
Only after all diagonal bridging is installed
On stairways having four or more risers are rising more than 30 inches, whichever is less shall be equipped with at least:
2 handrails shall be installed
