CAL/OSHA Flashcards
You must obtain a DOSH permit for construction of trenches or excavations ____ or deeper that owners must enter
5 feet
Per Cal/OSHA , one story is how many feet ?
12 feet
An employer must make medical records/ exposures available within how many days of a request by the worker ?
15 days
Ground areas within how many feet of buildings under construction must be kept reasonably free from irregularities ?
6 feet
The face of a pile of cement bags more than ____ft high must be tapered back.
5 feet
LUmber piles must not be higher than ____ ft if lumber is handled manually, or _____ ft if handled with equipment
16 feet = manually
20 feet = equipment
Employers must monitor noise and administer hearing conservation program when noise exposure is what or more ?
85 dB or more
A confined space is defined as an area where:
- Existing ventilation does not remove air contaminants or replace oxygen deficient air AND
- Ready access, exit, or removal of a suddenly-disabled employee is difficult.
Ladder rungs must be at least ____ inches long and spaced 12 inches apart
11.5
Cleat (straight ) ladders may not be longer than ____ feet
30 feet
Metal Extension ladders may not be taller than ____ feet
48 feet
Extension ladder overlapping sections must be at least ___% of the working length
10%
When digging 4 feet or more you must:
- Provide a safe way for entry and egress ( ladders) within 25 feet of any work area. Minimum of 50 feet at a large site.
When digging 5 feet or more you must:
- Obtain permit from DOSH before starting excavation
- Shore, bench, slope or use equivalent methods to protect workers.
- Must deposit excavated materials at least 2 FEET from the edge of excavation.
When digging 6 feet ( and 30” wide ) or more you must :
Install crossings with standard guardrails and toeboards
When excavating how many feet or more must protective systems be designed by a registered engineer ?
20 feet or more
Standard shoring system consist of:
- Solid plywood sheathing at least 2” thick
- Plywood at least 1 1/8” thick
- Wood uprights at least 2” x 8” ( spaced maximum 8 feet ) and
- Wood braces and diagonal shores at least 4”x4”
Do not slope a trench greater than ___ from vertical
15˚
What is the longest standard length of a scaffold plank?
10 feet
On a 120V circuit, what color is the (protective) ground wire?
Green
What is the minimum distance apart that acetylene and oxygen cylinders must be stored?
20 feet
An alternative is a noncombustible barrier between the cylinders at least 5 feet high with a fire-resistance rating of at least 1/2 hour.
Which of the following is the best choice for hoisting a full gas cylinder?
A. Manila rope sling
B. synthetic rope sling
C. wire rope sling
D. a cradle, net, or skip box
D. Cradle, net, or skip box.
A dry chemical or carbon dioxide fire extinguisher rated at least _____ must be kept near operations where bottled fuel gases are being used.
10:BC
No more than _____ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.
25 gallons
For a vertical safety lifeline, what is the MINIMUM breaking strength after it has been attached to the anchorage point?
5000 lbs
If you are writing an IIPP for your jobsite, which of the following is a highly recommended reference
Cal/OSHA IIPP e-tool
The shield of a shielded wire:
Should be connected to ground
On a jobsite, if you find yourself raising your voice to speak to others at a distance of _____ OR LESS, you should wear hearing protection.
5 feet
When working in or within _____ of an open hoistway where you might be able to fall more than _____, you must wear fall-arrest equipment, and lanyards must be attached to lifelines at all times.
6 feet……. 6 feet
A worker is using an electric meter to check a live circuit. Which of the leads is removed from the circuit first ?
Hot
During hoisting operations, the signaler extends both arms straight out and to the side, with palms down and hands moving rapidly right and left. What is the signaler trying to say?
Emergency Stop
When making a vertical lift with eye bolt(s), which of the following is the recommended procedure?
Make a completely vertical lift on the eye bolt(s)
When hoisting two or more pieces of material more than _____ long, double slings must be used.
12 feet
With reference to lifting operations, the term “ultimate strength” refers to what?
The average load or force at which the product fails or no longer supports the load.
When inspecting Manila rope, if the outer surface and/or inner side of strands is blackened or rust-colored, you should suspect:
Damage from acids or caustics
According to the Construction Safety Orders, a CONSTRUCTION passenger elevator for hoisting workers must be installed in any building or structure designed to be _____ feet or more in height above or _____feet in depth below ground level when it is completed.
60 feet… 48 feet
Material that contains more than 1.000% asbestos is defined as what ?
Surface ACM
When must a contractor provide and require the use of protective clothing?
When airborne exposure exceed the TWA and excursion limits.
TWA = time-weighted average. No employee may be exposed to an airborne concentration of asbestos greater than ___ fiber per cubic centimeter of air as an eight-hour time-weighted average.
0.1 fiber cubic centimeter
Which of the following hazards is of the greatest concern when storing gas cylinders?
A. vibration
B. electromagnetic static
C. prolonged freezing weather
D. undue absorption of heat
D. Undue absorption of heat
When using a cut-off saw to cut steel beams, which of the following should be worn?
A. gloves and a face shield
B. a face shield and a leather apron
C. gloves and a welding helmet
D. a leather apron and gloves
A. Gloves and a face shield
In the interest of safety, what should be done when there is a break or change of elevation of 18inches or more in a hallway floor?
Provide a ladder, ramp or temporary stairs
According to Cal/OSHA, the top handrail around scaffolding should be at what MINIMUM height?
42 inches
Where must the emergency control be installed for a refrigeration room?
Immediately outside the refrigeration rooms exit
At what point during construction must interior handrails be installed in a custom two-story home?
Before the final inspection
According to the California Building Code, what is the MINIMUM width of a gate used for disabled access?
36 inches
A fire extinguisher rated at least 2A must be provided for each _____ square feet of the floor area, or fraction therof.
3,000 sq.ft
A fire extinguisher rated 20B has enough extinguishing agent to provide _____ of coverage.
20 sqft
Travel distance from any point of a protected area to the nearest fire extinguisher may not exceed:
75 feet
Portable fire extinguishers must be inspected at least _____, and serviced at least _____ by a person licensed or registered by the State Fire Marshal.
Monthly ….. yearly
A harmful, irritating, or nuisance material that is foreign to an environment is generally known as a(n):
Contaminant
An area in which certain work may take place WITHOUT the use of guardrails, personal fall arrest systems, or safety nets is called a(n):
Controlled access zone (CAZ)
A plank with cleats is commonly known as a:
Chicken ladder
Boards joined together side-by-side to line an excavation are collectively known as:
Lagging
A flexible line to secure a wearer of a safety belt or harness to a drop line, lifeline, or fixed anchorage is called a(n):
Lanyard
A container, with sides, in which materials are hoisted is commonly known as a:
Skip
The ground area within _____ of a building under construction must be reasonable free from irregularities.
6 feet
Personal protective equipment required by the Construction Safety Orders must be marked to facilitate identification of the:
Manufacturer
A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are _____ feet or more in depth so as to require no more than _____ feet of lateral travel by employees.
4 feet …..25 feet
Employees must not be exposed to atmospheres containing less than _____ oxygen and other hazardous atmospheres.
19.5%
Lumber piles that are to be handled manually may not be stacked higher than:
16 feet
When piling bags of cement more than _____ high, the face of the pile must be tapered back.
5 feet
7 feet
The “maximum permitted 8-hour time-weighted average concentration” of an airborne contaminant is called the:
Permissible Exposure Limit ( PEL)
When workers are exposed to noise levels above _____ dB for eight hours or more during a work day, some form of hearing protection must be provided.
90 dBA
Double-cleat ladders may NOT exceed _____ in length.
24 feet
Single-cleat ladders may NOT exceed _____ in length.
30 feet
Single-cleat ladders must be _____ wide.
15 to 20 inches
A ladder permanently fastened to a structure is called a _____ ladder.
Fixed
The maximum length of a TWO-SECTION EXTENSION ladder made of REINFORCED PLASTIC is:
72 feet
The maximum length of a TWO-SECTION METAL EXTENSION ladder is:
48 feet
The maximum length of a TWO-SECTION WOOD EXTENSION ladder is:
60 feet
The maximum length of a STEP ladder is:
20 feet
A _____ ladder is similar to a single cleat ladder, but it is wider, with an additional center rail underneath the cleats that will allow for two-way traffic for workers in ascending and descending, is called a:
Double cleat
In general, an employee shall not be allowed to stand and work on the top _____ rungs of a single or extension ladder.
3
An employee presents with the following symptoms: inability to sweat, mental confusion, hot and dry skin, muscle spasms, rapid and weak pulse, throbbing headache, and temperature of 102-104 degrees. The employee probably suffers from:
Heat stroke
A back-up warning device is required on a vehicle with a body capacity of at least :
2 1/2 cubic yards
What should you do FIRST if a gas line is accidentally severed while you are doing excavation work?
Evacuate the area
How many rungs of a ladder must extend above the supporting edge of a roof?
3 rungs
If a piece of heavy equipment broke down , what would be the least practical way of fixing it ?
Lower the equipment
Extension ladders must overlap at least ______ of the working length
10%
Landing platforms must be provided every _____ if a worker must climb to a height greater than 20 feet on a ladder.
20 feet
A flagger should stand within ______ of the work area with a(n) ______ flag.
100 feet …. 18 inch
Which safety method is NOT approved by Cal/OSHA on a 5:12 monolithic roof 25 feet high?
Warning lines and headers
Which safety method is NOT approved by Cal/OSHA on a 5:12 monolithic roof 25 feet high?
Warning lines and headers
Intervals (spans) between roof jacks must not be more than:
10 feet
There must be at least one toilet for every _____ employees (or portion thereof) working at a construction jobsite.
20
When an automatic backup warning device is used, it must normally be audible from a distance of:
200 feet
When an automatic backup warning device is used, it must normally be audible from a distance of:
200 feet
In a 5-feet deep trench, you must space ladders no more than_____ apart to enable workers to get out in an emergency.
50 feet
In a 5-feet deep trench, you must space ladders no more than_____ apart to enable workers to get out in an emergency.
50 feet
