OSHA

every shift

Scaffolds must be inspected ______________.

Allow you to use both hands for your work.

The advantage of positioning device systems is that they:

Working with your arms raised over shoulder level

What is overhead work?

1 every 3,000 square feet

What is the minimum number of 2-A fire extinguishers that must be provided?

Being struck by a falling object

What is the most common cause of crane-related fatalities?

struck by falling object

What is the most common cause of crane-related fatalities?

Electrocution

What is the most common type of crane incident?

When your employer determines that the concrete is strong enough

When is it safe to remove forms and shores used in cast-in-place concrete construction?

inspect your tools before using them

When using power tools:

notify attendant and evacuate immediately

You are an authorized entrant in a PRCS. You have been using a chemical to remove residue from some machinery when you notice a vapor. What do you do?

radio worker to evacuate immediately

You are at the same site as the previous scene acting as the attendant. The monitoring alarm sounds from below. What do you do?

Tube & Coupler Scaffold

a supported scaffold made of metal tubes held together by couplers.

True

True or False: Heavy equipment is involved in many "struck-by" accidents at construction worksites.

False

True or False: If the competent person finds a safety hazard during the inspection, you can use the suspended personnel platform while people are looking for the parts to fix the problem.

False

True or False: In a multi-story building that is less than 3,000 square feet total, it's okay for the only fire extinguisher to be located on the second floor.

true

True or False: In general, there must be no more than 8 stories between the erection floor and the upper-most permanent floor.

False

True or False: It is always okay to use a suspended personnel platform, even when something like a scaffold would get the job done.

Directional signs

explain where things are located. white and black. Do not include traffic signs used for moving vehicles

exit signs

serve to mark exits. the work is printed in red letters on a white background

in compliance

steel erection started when concrete is 75 percent of the intended minimum compressive design strength

structures

structures, steel erection, or also covered: artistic structures

Steel erection

structures, steel erection, or also covered: bracing

structures

structures, steel erection, or also covered: bridges

also covered

structures, steel erection, or also covered: caulking

Steel erection

structures, steel erection, or also covered: connecting

structures

structures, steel erection, or also covered: fire escapes

Combustion

the chemical chain reaction between oxygen, fuel, & heat results in ________

oxygen-fuel

the combustion of acetylene in oxygen to produce a welding flame temperature of about 3100 degrees celcius

42

whenever debris is dropped through a hole, the collection area must have a barricade around it that is not less than _____ inches high

all of these

A Confined Space is a space that:

site clearing operations

first aid person required

tendonitis

inflamed tendons

Yes

A portion of a guardrail system must be removed to facilitate hoisting operations during the landing of materials. A worker must reach over the edge of the access opening to receive or guide equipment and materials. Does that employee need to be protected by a personal fall arrest system for this brief period of time?

Choker

A wire rope or other rigging assembly that is used to attach a load to a hoisting device.

conical, tapered

All bins, containers, and silos used to store cement should have _______ or _______ bottoms. They must also have mechanical or pneumatic methods to start the flow of material.

Resist a minimum eccentric gravity load of 300 pounds.

Column splices must be designed to:

The chest cavity shrinks with each exhalation, and the dirt fills in the void.

How can a person buried only up to their neck suffocate during a cave-in?

Divert the water with artificial barriers, ditches, or dikes.

How can you control water around an excavation?

It is listed on the identification plate and in the operator's manual.

How do you know the capacity of your forklift?

Before the unit is used.

How soon should repairs be made to a forklift?

- Electrical shocks - Puncture wounds - respiratory irritation

If you use power tools unsafely, you could be at risk of:

10 feet

Guess how far a scaffold must be kept from overhead power lines?

Loading considerations

Lift platforms, docks, ramps, and scaffolds not marked with load ratings is what type of surface hazard?

Heavy equipment

10' required between equipment and power lines

The equipment operator uses a seat belt, too.

A ROPS is most effective when:

caused when the nerve that runs from the forearm to the hand is squeezed.

Carpal Tunnel Syndrome is:

pile-driving equipment

Designated signaler required

Bolted diagonal bridging

Diagonal bridging that is bolted to a steel joist or joists.

Designing jobs to match a worker's needs and abilities.

Ergonomics is the science of:

all of the above

Excessive exposure to noise can cause:

no fire watch

Fire watch or no fire watch: All fire hazards are sufficiently protected by guards

Back and knees.

Ground and floor-level work can put a great deal of strain on your:

Surface Structure

Loose floorboards and holes is what type of surface hazard?

All of these.

Pile-driving equipment presents many unique hazards, and many of the safety rules involve using:

Help reduce struck-by accidents.

Signs at construction sites:

4

Supported scaffolds must be designed to hold _____ times their intended load.

trench

a narrow excavation made below the surface of the ground.

Once you are sure the forks are clear of the pallet.

After you have placed a load, when do you change the position or height of the forks?

Battery acid is corrosive.

Even though a typical forklift battery does not pose explosion hazards, why is it important to wear personal protective equipment?

Striking Tools

Examples include: Hammers

Cutting, Pinching, or Gripping Tools

Examples include: pliers, snips, cutters, x-acto knifes

Impact Tools

Examples include: punches, chisels, nail sets, wedges, drift pins

Driving Tools

Examples include: screw drivers, hand wrenches, nut drivers, t-handle wrenches

not in compliance

Is the following in compliance or not in compliance? : hoisting operations occur without previous planning

in compliance

Is the following in compliance or not in compliance? : qualified person develops alternative site-specific plan to provide employee protection during steel erection

not in compliance

Is the following in compliance or not in compliance? : steel erection begun immediately after modifications to anchor bolds are made

back

Is this a risk factor to the upper body, back, or lower body? : operating heavy machinery and having whole body vibration

lower body

Is this a risk factor to the upper body, back, or lower body? : Repeatedly using a tool such as a knee kicker

back

Is this a risk factor to the upper body, back, or lower body? : bending and reaching

back

Is this a risk factor to the upper body, back, or lower body? : lifting objects

upper body

Is this a risk factor to the upper body, back, or lower body? : making repetitive motions such as screwing drywall into place

upper body

Is this a risk factor to the upper body, back, or lower body? : not working in a neutral posture

upper body

Is this a risk factor to the upper body, back, or lower body? : using powered hand tools

B. Sloping, Shoring systems, Shielding.

OSHA recognizes three methods to protect workers from collapsing excavations. They are:

before every shift.

OSHA requires that cranes be inspected:

2 directions.

OSHA requires you to field-bolt a steel joist at the columns unless the column is framed in at least:

transparent face shields, goggles

People who perform resistance welding or resistance brazing (and their attendants) must use _______ or _______ (depending on the job) to protect their eyes and faces as needed.

false

True or False: The operator of the front-end loader with the roll-over bar and canopy needs to use a seatbelt, but the operator of the front-end loader without the canopy does not.

True

True or False: This sign is appropriate for a serious hazard.

block

Sheaves or grooved pulleys in a frame with a hook, eye, and strap.

true

True or False: When doing oxygen-fuel gas welding or cutting, the hose you use for oxygen must be easily distinguishable from the hose you use for fuel gas.

false

True or False: You should never use a seat for a double connection.

True

True or False: your employer should retrain you if there will be a change in the fall safety equipment used

Workers must not use crossbracing as a means of climbing to the top of scaffolds.

What would you guess an OSHA inspector might say to the supervisor at this site, upon witnessing this activity?

higher velocity = more injury

What is the relationship between fall velocity and sustained level of injury?

- for visible defects - for structural integrity (both of these)

What, would you guess, does the competent person inspect for?

Only equipment approved for hazardous locations may be used.

What is the rule for using portable battery powered lighting equipment near flammable gases or liquids?

Both of these may be necessary.

What kind of shielding is necessary when doing resistance welding?

A flameproof screen

What kind of shielding will do the job properly?

hoisted

When a cylinder is __________, secure it on a cradle, slingboard, or pallet. Do not hoist or transport it using magnets or choker slings.

- If a worker displays a lack of skill, when using scaffolds. -If a worker displays that he/she has not retained the requisite proficiency. (any of these)

When also, would you guess, should workers be retrained on these topics?

- rigging could fail and drop load - crane could tip/collapse - nothing (any of these)

What might happen if you try to lift a load heavier than the crane's rated load capacity?

Oxygen Fuel Heat

What must be present for a fire to begin? Check all that apply.

- Remove the electrodes - Put the holders where they will not make unsafe contact with people or conductors

What needs to happen when the electrode holders are going to be left unattended for a while? Select all that apply.

- Report it to his or her supervisor - Discontinue using the equipment

What should an operator do if he or she notices a defect in the equipment? Select all that apply.

Fall protection must be worn at heights of 10 feet or above.

What would you guess a "trigger height" of 10 feet means?

Workers must no be allowed to jump onto or off of the scaffolds.

What would you guess an OSHA inspector might say to the supervisor at this site, upon witnessing this activity?

Lifting materials

Which of these is a MSD risk factor for the back?

D. Making repetitive motions

Which of these is a MSD risk factor for the upper body?

All of these.

Which of these is an OSHA rule for fire extinguisher placement?

A strong electric current between the piece being worked on and the welding rod melts the metal

Which of these is an accurate description of arc welding and cutting?

Pain

Which of these is an example of a symptom of a musculoskeletal disorder?

A ground return cable

Which of these is appropriate to use as a ground for arc welding current?

When working within 10 feet of power lines, always use lights and reflectors.

Which of these is not a safety rule for heavy equipment?

4 to 1 (at least four times maximum intended load).

Which of these is the ratio that refers to the weight a scaffold must support?

wood

Which of these materials would be involved in a Class A fire?

no

You will be working in a manure pit. Is this a situation where you could possibly use any Alternate Entry Procedure?

yes

You will be working in a water manhole. Is this a situation where you could possibly use an Alternate Entry Procedure?

A competent person qualified in the areas of fall hazards and fall prevention techniques specific to your work environment.

Your employer should assure that each employee has been trained, as necessary, by:

spectacles or safety glasses

______ or _____ are acceptable for gas welding operations on light work, for torch brazing, or for inspection, as long as they have suitable filter lenses.

helmets, hand shields

_________ and _________ are used for all arc welding and arc cutting operations, except for submerged arc welding. People helping or attending the welder or cutter also need the appropriate eye protection.

Type A

___________ soil is a cohesive soil that has an unconfined compressive strength of 1.5 tons per square foot (tsf).

goggles

____________ or other suitable eye protection must be used for all gas welding or oxygen cutting operations. They also acceptable for brazing operations that don't specifically require a helmet or transparent face shield.

Type C

____________ soil is a cohesive soil with an unconfined compressive strength of .5 tons per square foot (tsf) or less.

Guardrail System

a barrier erected to prevent you from falling to lower levels. A guardrail must be used:

authorized person

a person approved or assigned by the employer for perform a specific type of duty or duties or to be at a specific location or locations at the job site

qualified person

a person by possession of a recognized degree, certificate, or professional standing who by extensive knowledge, training, and experience has successfully demonstrated their ability to solve or resolve problems related to the subject matter, the work, or the project. ________ are those that are consulted in the design of the scaffold and are familiar with load ratings.

arc welding and cutting

a strong electric current between the piece being worked on and the welding rod melts the metal

Tripods with fall-arrest hoists

which entry level equipment is this: enables workers to be raised and lowered into confined spaces

Six times the intended load of the scaffold.

Guess how much weight suspended scaffold ropes must be able to hold?

Increased on-the-job injuries

Which of these is NOT a likely benefit of ergonomics?

ladders

which entry equipment is this: provide a route for ingress and egress

barriers, pit guards, & shields

which entry equipment is this: provide fall protection

Permanent floor

A structurally completed floor at any level or elevation (including slab on grade).

Roll-over hazards.

A bar-type ROPS is appropriate for:

Both roll-over hazards and falling-object hazards.

A canopy-type ROPS is appropriate for:

Bridging terminus point

A wall, a beam, tandem joists, or other element that provides an anchor point for the steel joist bridging. This can occur at an end or intermediate point(s) of a line of bridging.

CLASS A

A wooden storage shed on the worksite is burning. Which class of fire is this?

Any of these.

A worker must be retrained when _____________.

Solid Fuel Salamanders

According to OSHA, ______________ (type of heater) are not allowed in buildings or on scaffolds.

Intentional fires

According to the NFPA, what was the top cause of non-residential structure fires from 1999 to 2002?

4

All scaffolds are required to support their own weight and at least _____________ times the maximum intended load.

Forced air ventilation

Alternative Protection Procedures can be used when the only hazard is atmospheric and ____________ alone can control the hazard.

Controlled decking zone (CDZ)

An area in which certain work may take place without the use of guardrail systems, personal fall arrest systems, fall restraint systems, or safety net systems and where access to the zone is controlled.

jib

An extension attached to the boom point to provide added boom length when lifting certain loads.

Workers usually use a personal fall arrest system such as a harness and lifeline.

Because they will be removing the guardrail first, how can workers be protected from falls for the duration of the disassembly?

the wheels on either side of the buggy

Concrete buggy handles should not extend further than:

one cubic yard

Concrete mixers with a loading skip of ____________or more must have guardrails on each side and a mechanical device to clear the skip.

100

Concrete pumping systems that use discharge pipes must include pipe supports designed for ________ percent overload. In addition, compressed air hoses used on a concrete pumping system must have positive fail-safe joint connectors to prevent separation of sections when pressurized.

portable

Does the following describe portable, non-portable, or flash equipment: Welding guns have a counterbalance as needed

non-portable

Does the following describe portable, non-portable, or flash equipment: external weld initiating control circuits operate on low voltage

flash

Does the following describe portable, non-portable, or flash equipment: set up a hood to control flying flash

non-portable

Does the following describe portable, non-portable, or flash equipment: use 4 safety pins with plugs and receptacles on large machines

Common Ignition Hazard: Electricity

Electrical wiring and equipment can easily cause fires at your workplace if they are not used or installed properly. OSHA covers the specific rules for electricity in

E Stops

Emergency conveyor stops are sometimes referred to as:

loading considerations

Employees not informed of load ratings of various pieces of equipment or flooring is what type of surface hazard?

exposed, live parts

Entrances to rooms and other guarded locations containing _____________ must be marked with conspicuous warning signs forbidding unqualified persons to enter.

- the object - the object's distance from your body - the height of the lift - the amount of lifting you do

Factors that play a role in determining the amount of stress on your body:

fire watch

Fire watch or no fire watch: combustibles are on the other side of a wall being worked on

fire watch

Fire watch or no fire watch: there is a wall or floor opening within 35 feet that exposes combustibles

fire watch

Fire watch or no fire watch: you are welding or cutting in a place where more than a minor fire might develop

Should be cleaned up immediately following proper safety procedures.

Gas or diesel spills:

Your immediate physical safety.

Generally speaking, a physical hazard is something which is a danger to:

boom stops

Hoisting devices used to limit the angle of the boom at its highest position.

Heaters with Separate Supply Tanks

If you use ______________________, that heater can be directly connected to the supply tank for gravity feed or automatic pump.

yes

In a pre-operation inspection, should you raise and lower the forks?

Both bracing or support and a limited access zone.

If a masonry wall will be 8' 7" tall when construction is complete, you need:

Only use electric tools that are approved for those conditions

In damp/wet conditions:

gently lower pieces down

It is important to _________________ during scaffold disassembly.

- Workers with the tools and materials they need - personnel needed to get a job done

It is okay to use the suspended personnel platform to lift:

shock absorber

It is recommended that lanyards should be used along with a ___________________ since they greatly reduce what the arresting force will be if a fall occurs.

If there is a spark, there is no oxygen to fuel a fire.

Keeping lids on fire resistant containers is important so that:

all of the above

Ladders must be kept free of:

All of the above.

Natural rope and synthetic rope should be replaced if they show signs of:

Heavy equipment.

Nearly three out of four "struck-by" accidents in construction involve:

Radial Saws

Need guarding that prevents the operator from coming into contact with the rotating blade

competent person

OSHA defines a ____________ as a person, appointed by his/her company, who is capable of identifying hazards in the workplace and has the authority to take prompt corrective measures to eliminate them.

- The storage cannot block or "adversely affect" an exit. - The fire characteristics of the materials are considered when the materials are handled, stored, and piled. - Piles must be constructed in a way that minimizes the spread of fire internally. They also must allow convenient access for firefighting. - Piles must be stable at all times. - There must be adequate aisle space to allow the widest firefighting vehicle that might be used within the building.

OSHA's rules regarding the piling of flammable/combustible materials in indoor storage

competent person

One who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them

Designated signalers only.

Operators of pile-driving equipment can accept signals from:

all of these

Outside rescue services must:

- the type of scaffold - the type of fall protection, or - the falling object protection

Retraining for scaffolds should be administered when these things change:

Before each shift.

Rigging equipment must be inspected by a competent person:

Housekeeping

Routine sweeping and vacuuming not done is what type of surface hazard?

safe

Safe/Not Safe: A crane is level within 1%

not safe

Safe/Not Safe: a crane is pretty close to level; it is within 3%

not safe

Safe/Not Safe: operating a crane closer than minimum clearance distance without additional safety measures in place

safe

Safe/Not Safe: workers use appropriate hand signals

safe

Safe/Not Safe: working with a clearance of 20 feet from power lines

Pneumatic

Safety for ___________ tools: Keep air hoses away from heat, sharp edges, and oil

10

Scaffolds should be kept at least ____ feet from energized overhead power lines.

Common Ignition Hazard: Smoking

Smoking is not allowed where there are operations that create a fire hazard. A sign saying "No Smoking or Open Flame" must be posted in the area.

Housekeeping

Snow and ice not removed from surfaces is what type of surface hazard?

Competent person

Someone who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them.

Qualified person

Someone who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated the ability to solve or resolve problems relating to the subject matter, the work, or the project.

Anchored bridging

Steel joist bridging that is connected to a bridging terminus point.

- trial lift - inspections - proof testing

There are 3 things that must be done before lifting people in the personnel platform

True

T/F: A state or local license is only valid in the jurisdiction where the license was issued

- Guidelines - Enforcement - Outreach and Assistance - National Advisory Committee.

The "four prongs" of OSHA's approach to ergonomics include:

all of these are true

The crane's rated load capacity:

fatal injuries, 10, powerlines

To prevent possible _________________ scaffolds must be kept at least ______________ feet from _________________.

250-300

Trenching and excavations killed approximately ____ workers from 2000-2006.

false

True or False: A Class C portable fire extinguisher is an example of a fixed extinguishing system.

false

True or False: A dose of strong antibiotics will clear up most musculoskeletal disorders.

false

True or False: Appendix C of Subpart R provides mandatory guidelines that employers must follow for creating a site-specific erection plan.

don't use

Use or don't use: running rope with heat damage

the point of operation, in-running nip points, rotating parts, flying chips & sparks

Using guarding on power tools helps keep workers safe. What should you guard?

The concrete is ready

Verification that ________ must be included in the written notification the controlling contractor provides before steel erection starts.

crane

Which of these terms is a machine used to lift and move materials from side to side?

fire resistant container

any oily rags, waste solvent, and flammable materials must be disposed of in a ___________

Table Saws

are guarded with a hood that covers the circular blade

irritant and corrosive atmospheres

can exert systemic toxic effects. Irritant gases vary widely among all areas of construction activity. They can be found in paints, adhesives, epoxies, and sealants. Prolonged exposure to irritant or corrosive concentrations may produce little or no evidence of irritation.

Extinguisher classification

is "the letter classification given an extinguisher to designate the class or classes of fire on which an extinguisher will be effective."

Extinguisher rating

is "the numerical rating given to an extinguisher which indicates the extinguishing potential of the unit based on standardized tests developed by Underwriters' Laboratories, Inc.

toxic atmospheres

may arise from the manufacturing process, the product stored, and/or the operation performed in the confined space.

flammable atmospheres

may develop when combustible gases or vapors accumulate. Since many gases are heavier than air, they will seek lower levels such as those in pits, sewers, and various types of storage tanks.

"Dry chemical"

means an extinguishing agent composed of very small particles of chemicals such as sodium bicarbonate, potassium bicarbonate, and others. The chemicals are supplemented with a special treatment to provide resistance to packing and moisture absorption (caking) as well as to provide proper flow capabilities. "Dry chemical" does not include "dry powders".

tension neck syndrome

muscle strain that you get from looking up for long periods of time

Portable Circular Saws

need guarding above and below the base plate (shoe) of the saw.

- weather - your work capacity - tool belts - height of the work - housekeeping practices

other risk factors for MSDs

carpet layer's knee

problems with the soft tissue of the knee

free fall

refers to the uncontrolled length of travel before a worker hits the floor or ground or when fall arrest equipment activates; measured from foot level to foot level

4:1 Rule

requires that the feet of the ladder are set approximately one-fourth the working length of the ladder away from the leaning surface.

motor vehicles

seatbelts required for all passengers

resistance

small pools of molten metal form where there is the most electrical resistance as a high current passes through metal

Type B

soil includes angular gravel (such as crushed rock), silt, and sandy loam. __________soil is cohesive with an unconfined compressive strength greater than .5 tons per square foot (tsf), but less than 1.5 tons per square foot (tsf).

bursitis

squeezed, swollen, stiff, and inflamed bursa

rotator cuff tear

tear in the group of muscles and tendons that wrap around the shoulder joint

Flash point of liquid

the lowest temperature where the liquid gives off enough vapor to form an ignitable mixture with the oxygen in the air.

neck sprain

tom ligament in the neck

Personal Fall Arrest System

used to arrest the fall of an individual from the heights of six feet or higher

Traffic signs

used to control traffic. should be placed at points of hazard at construction site. They should be legible and clearly communicate intended meaning.

false

True or False: Sally is working on an electrical transmission tower and complains to her employers that they are not following Subpart R. She is right to do so.

false

True or False: Solid fuel salamanders may be used on scaffolds.

true

True or False: The controlling contractor is most likely at fault if he or she provides written notification for steel erection to begin when concrete has reached 50 percent of the intended minimum compressive design.

True

True or False: The heavy equipment at your work place can save a lot of work but can also present many hazards.

true

True or False: Training certificates must be available for inspection by employees or their authorized representatives.

Other workers may not know the metal is hot, so this can prevent injury

What is the point of using a warning sign after you finish your work in a confined space?

supported scaffold

What is the type of scaffold that is built on site from the ground up called?

An approved safety can

What type of container may be used to handle 5 gallons of a flammable or combustible liquid?

Leave the power supply on in case the tool's unexpectedly needed for work.

Which of the following is not included in standard lockout and tagout procedures when repairing tools and equipment?

parts do fall and they can cause serious injuries

Which of the following statements about parts falling and striking workers during pre-cast concrete construction is most true?

The unit must be stopped completely when picking up a load.

Which of the following statements are true about pallet jacks?

Never assume the toxicity of an unknown hazard.

Which of the following would be considered safe respirator practice(s)?

All of the above

Which of these characteristics make grain elevators a permit-required confined space?

Squat down, face forward, and slowly lift by straightening your knees and hips. Keep your back straight and the object close to your body.

Which of these describes the proper lifting technique?

None of these; they are all common ignition hazards.

Which of these is NOT a common ignition hazard found at construction sites?

Push yourself beyond your limits.

Which of these is NOT a good way to reduce your risk of injury when manually handling materials?

If a tool has tape on the wooden handle, it is okay to use if the tape looks fresh

Which of these is NOT a safety rule you should follow when using hand tools?

The combustion of acetylene in oxygen to produce a welding flame temperature of about 3100 degrees C

Which of these is an accurate description of oxygen-fuel gas welding and cutting?

All of these are safe operating procedures.

Which of these is an example of safe arc welding and cutting procedures?

- If the machine is properly grounded, there is no problem with using wet machines. - The machine needs to be tested for safety before use. - The machine needs to be thoroughly dried.

Which of these is true about wet machines? Select all that apply.

The project structural engineer of record

Who must give their approval before anchor rods (anchor bolts) are replaced, repaired, or field-modified?

a qualified rigger

Who must inspect the rigging on a crane before each shift?

The controlling contractor

Who must provide written notification before steel erection can begin?

A competent person

Who must visually inspect the crane, including its control and drive mechanisms, before it's used to hoist materials?

Certified welder

Who should perform all welding on temporary and permanent connections during lift-slab operations?

competent person

Whose job is it to inspect cranes at the jobsite?

Because of the weight of the soil.

Why are cave-ins likely to cause worker fatalities?

All of these

Why is documentation of PRCS training important to both employers and employees?

so that the reinforcing steel does not recoil and injure a worker

Why is it a good idea to secure each end of a roll of reinforcing steel?

So that you know what the intended load is.

Why would you want to keep a copy of the scaffold manufacturer's manual?

the duration of the task

entry permits should extend only for _____

caution signs

warn against potential hazards or caution against unsafe practices. Mainly yellow with black upper panel and borders

metal/aluminum

Advantages/disadvantages of ________________ ladders: - Advantages: light, strong, weather resistant - Disadvantages: conducts electricity

1. A break in elevation of 19 inches or more 2. No other access route to an elevated surface.

Employers must provide a stairway or ladder at all points of access for staff where there is:

Electric

Hand power tool that runs on electricity. These can have a cord or be battery-operated.

No

If the soil has been previously disturbed or dug, can it be classified as Type A soil?

step

If you will be working alone and close to the ground, what type of ladder would be most appropriate?

competent person

Ladders should be inspected periodically by a:

all of these

Ladders should be inspected:

all of these

Ladders should be periodically inspected to ensure they are free from:

Housekeeping

Not cleaning up chemical spills immediately is what type of surface hazard?

Pneumatic

Safety for ___________ tools: do not carry tool by air hose

Hydraulic

Safety for ___________ tools: do not exceed jack's rated load capacity

Liquid Fuel

Safety for ___________ tools: make sure there is proper ventilation when using the tool

Liquid Fuel

Safety for ___________ tools: use approved flammable liquid containers

Pneumatic

Safety for ___________ tools: use safety device on tool's muzzle to prevent the tool from ejecting fasteners

housekeeping

Slip-resistant footwear used by dock personnel helps combat which type of surface hazard?

portable

Support load requirements for __________ ladders: must be able to support at least 4x the maximum load intended

Fixed

Support load requirements for __________ ladders: must be able to support at least two loads of 250lbs each concentrated between any two successive attachments. They must also support any additional weight attributed to ice buildup, heavy wind, rigging, or safety devices

Surface Structure

Surfaces not routinely inspected for defects is what type of surface hazard?

workers must exit the trench box

When the trench box is moved forward during moving excavation projects:

- You should store electric tools in a dry location when they are not in use - You shouldn't carry or lift electric tools by the power cord - Electric cords can present a tripping hazard

Which of these statements are true about electric tools?

Shot handles can press into your palm, causing an injury

Why should you avoid using tools with handles that are too short?

excavation

any man-made cut, cavity, trench, or depression in the earth's surface formed by earth removal.

Slips, trips, and falls

the single largest cause of injuries and lost time in industry.

Body Harness

the third component of a personal fall arrest system. It consists of straps that can be secured about a person in a manner that distributes the fall-arrest forces over the thighs, pelvis, waist, chest, and shoulders

fire watch

Fire watch or no fire watch: combustibles are more than 35 feet away but they are easily ignited by spark

294

How many employers were cited for an inadequate ladder training program in 2006?

Never allow riders unless authorized to do so.

How many people are permitted to ride on a forklift?

200lbs

How many pounds of pressure must a guardrail be capable of withstanding?

Prior to the start of each work shift.

How often must a competent person inspect the scaffold?

as wide as the wall is tall plus 4 feet

How tall must a limited access zone (LAZ) be?

8 feet

How tall must a masonry wall be before special regulations for its construction apply?

fixed extinguishing system

"a permanently installed system that either extinguishes or controls a fire at the location of the system."

lift

Do not use valve protection caps to _________ cylinders when you move them.

no

Do you need a fire watch if combustibles are more than 35 feet away?

refresher training must be performed

If a new hazard requires a change in permit-required confined space operations:

25

If the trench is over four feet deep, a ladder must be provided within ________ feet of the worker.

Entry supervisors.

The responsibility of removing unauthorized personnel from the permit-required confined space belongs to:

true

True or False: OSHA allows for alternate types of portable fire extinguishing equipment, such as an open 55-gallon drum of water.

false

True or False: OSHA cannot fine your employer for ergonomic hazards.

false

True or False: OSHA does not provide safety and performance test guidelines for heavy equipment with ROPS.

true

True or False: Rachel sees that a hazard exists at work and corrects it. She has the authority to do this because she is a competent person.

non-portable

Does the following describe portable, non-portable, or flash equipment: Capacitor discharge resistance welding equipment is protected in a complete enclosure

portable

Does the following describe portable, non-portable, or flash equipment: Equip items hanging from overhead with safety chains

thoracic outlet syndrome

Dull pain in the neck, shoulder, or armpit

CLASS B

During remodeling, a container of paint thinner catches fire. Which class of fire is this?

1. Know the hazards of permit-required confined spaces 2. Verify that all tests have been conducted and all procedures and equipment are in place before endorsing a permit and allowing entry to begin 3. Stop entry procedures if necessary 4. Cancel or suspend permits 5. Verify that rescue services are available and trained in rescue techniques for PRCS.

Entry supervisors with responsibility for issuing PRCS must do the following:

Safety Can

"an approved closed container, of not more than 5 gallons of capacity, having a flash-arresting screen, spring-closing lid and spout cover and so designed that it will safely relieve internal pressure when subjected to fire exposure."

Combustible liquid

"any liquid having a flash point at or above 140 degrees Fahrenheit (60 degrees Celsius) and below 200 degrees Fahrenheit (93.4 degrees Celsius)."

Flammable liquid

"any liquid having a flash point below 140 degrees Fahrenheit and having a vapor pressure not exceeding 40 pounds per square inch (absolute) at 100 degrees Fahrenheit."

Liquefied Petroleum Gas ("LPG" or "LP Gas")

"any material which is composed predominantly of any of the following hydrocarbons, or mixtures of them, such as propane, propylene, butane (normal butane or iso-butane), and butylenes."

Vapor Pressure

"the pressure, measured in pounds per square inch (absolute), exerted by a volatile liquid as determined by the 'Standard Method of Test for Vapor Pressure of Petroleum Products (Reid Method).'"

1. Certification by an Accredited Testing Organization 2. Qualification by an Audited Employer 3. Qualification by the US Military 4. Licensing by State/Local Government

4 options for crane operator qualification & licensing

brake

A device to slow or stop motion by friction or power.

hoist

A device used for lifting and lowering loads.

all of the above

A fall protection plan should include which of the following:

automatic sprinkler system

A fixed extinguishing system that is defined as "a system of piping designed in accordance with fire protection engineering standards and installed to control or extinguish fires. The system includes an adequate and reliable water supply, and a network of specially sized piping and sprinklers which are interconnected. The system also includes a control valve and a device for actuating an alarm when the system is in operation."

Standpipe systems

A fixed extinguishing system that is defined as "an arrangement of piping, valves, hose connections and allied equipment installed in a building or structure with the hose connections located in such a manner that water can be discharged in streams or spray patterns through attached hose and nozzles."

Every three years.

A forklift operator's performance must be evaluated:

Column

A load-carrying vertical member that is part of the primary skeletal framing system. Columns do not include posts.

column

A load-carrying vertical member that is part of the primary skeletal framing system. Columns do not include posts.

crane

A machine used to lift and lower materials and to move them horizontally (from side-to-side). The machine consists of a rotating structure for lifting and lowering. It can be equipped with rubber tires or crawler treads

Systems-Engineered Metal Buildings

A metal, field-assembled building system consisting of framing, roof, and wall coverings. The individual parts are made in one or more facilities and shipped to the job site for assembly into the final structure.

Systems-engineered metal building

A metal, field-assembled building system consisting of framing, roof, and wall coverings. Typically, many of these components are cold-formed shapes. The separate parts are fabricated in one or more manufacturing facilities. They are then shipped to the job site for assembly. The engineering design of the system is normally the responsibility of the systems-engineered metal building manufacturer.

CLASS D

A pile of titanium shavings has collected on the production floor. A spark hits the pile, and it combusts. Which class of fire is this?

125

A proof test lifts _______ percent the platform's rated capacity before hoisting personnel.

Permit-required confined space

A pump room is equipped with a door and steel ladder which are heavily corroded with rust. Is this a permit-required confined space or a confined space?

Multiple-lift rigging

A rigging assembly manufactured by wire rope rigging suppliers that allows the attachment of up to five separate loads to the hoist rigging of a crane.

includes having a competent person act as the monitor

A safety monitoring system:

all of the above

A safety net system is a fall arrest system that consists of connectors, and:

CLASS K

A short order cook is frying some bacon, and the grease catches on fire. Which class of fire is this?

CLASS A

A spark hits a pile of paperwork in the production area, and the papers go up in flame. Which class of fire is this?

structural steel

A steel member or a member made of another material. These include, but are not limited to, steel joists, joist girders, purlins, columns, beams, trusses, splices, seats, metal decking, girts, all bridging, and cold-formed metal framing. They are integrated with the structural steel framing of a building.

Double connection seat

A structural attachment that, during the installation of a double connection, supports the first member while the second member is connected.

beam

A structural, load-carrying member usually placed in a horizontal direction (parallel to the ground). The load usually causes the beam member to bend.

the worker was fatally injured

A worker was climbing a 10-foot ladder to reach a landing 9 feet above the adjacent floor. Can you guess what happened when the ladder slid down and the employee fell?

a qualified person

According to OSHA, who must train steel erection workers?

Fiberglass

Advantages/disadvantages of ________________ ladders: - Advantages: long lasting, nonconductive, good traction - Disadvantages: heavier than aluminum, expensive

Wood

Advantages/disadvantages of ________________ ladders: - Advantages: nonconductive, economical - Disadvantages: can be heavy, difficult to move, subject to weathering, aging

Double connection

An attachment method where the connection point is intended for two pieces of steel that share common bolts on either side of a central piece.

connector

An employee who, working with hoisting equipment, places and connects structural members and/or components.

boom

An inclined spar, strut, or other long structure that supports the hoisting tackle.

Atmospheric, Engulfment, Configuration

An industrial process tank must occasionally be accessed to remove blockages caused by debris. What potential hazards exist?

2

Another important inspection point with trenches is to ensure that spoil piles are positioned at least _______ feet away from the edge of the trench.

fire watch

Fire watch or no fire watch: combustible materials within 35 feet of the welding or cutting operation

no fire watch

Fire watch or no fire watch: combustibles are more than 35 feet away and will not ignite with a spark

An employee working on a ramp that is three feet above a lower level.

Fall protection would not be required in which of the following situations?

Housekeeping, Surface structure

Floor not free of protruding nails or bolts is what type of surface hazard?

Pneumatic

Hand power tools that are powered by compressed air

Power-actuated

Hand power tools that are powered by explosive cartridges

Hydraulic

Hand power tools that get their power from fluid

Liquid Fuel

Hand power tools that often have a gasoline engine. Sometimes other forms, such as propane, are used.

Either of these

How can you find out the limitations of cranes at your workplace?

10 feet

How far do combustible coverings need to be kept from heaters?

Only the employees necessary for the operation

How many employees should be in the building or structure during a jacking operation?

Common Ignition Hazard: Portable Battery Powered Lighting Equipment

If this type of equipment is used when storing, handling, or using flammable gases or liquids, you must use only the equipment that is approved for hazardous locations.

A bridge with guardrails should be erected.

If workers need to cross over a conveyor:

- locate holders away from electrodes so there is no accidental contact - remove electrodes from holders - disconnect the machine from its power source

If you are arc welding in a confined space and you go on your lunch break, what must you do? Select all that apply.

lock the door

If you must set your ladder in front of a door, what should you do to ensure your own safety?

crane or derrick

If you transport cylinders by one of these means, use a cradle, boat, or some suitable platform. Do not use slings or electric magnets.

tremies

In addition to the regular couplings or connections used to secure sections of ________ and similar concrete conveyances, use wire rope or equivalent materials to strengthen the connection.

No more than the number needed to do the work

In order to reduce injuries from work hazards, how many workers should be present during a work operation?

masonry saws

Install a guard with a semicircular enclosure, including some method for capturing blade fragments, over the blade of all ________________ In addition to protecting from other hazards, this is one way for employers to limit your exposure to crystalline silica.

in compliance

Is the following in compliance or not in compliance? : exterior roads outside construction site are not wide enough to allow a crane to pass

not in compliance

Is the following in compliance or not in compliance? : soil at construction site is poorly drained

Common Ignition Hazard: Internal Combustion Engine Powered Equipment

It's very important that exhaust from this type of equipment is kept away from combustible materials; otherwise fires may break out. To accomplish this, either locate the equipment so that the exhaust is far enough away from combustible materials, or pipe the exhaust outside the building under construction. If you pipe the exhaust outside, make sure there is at least six inches of clearance between the piping and any combustible materials.

10

Maintain a clearance of at least ______ when working around power lines rated 50 kV or below.

metal

Many workers are fatally electrocuted when their portable _________ ladders come in contact with overhead lines.

Handling, moving, using, and storing materials.

Materials handling involves:

Housekeeping, obstructions

Materials stored improperly in aisles is what type of surface hazard?

all of the above

Materials that need to be disposed on the job site include:

Controlled decking zones (CDZ) and connectors

OSHA has developed special fall-protection regulations for which of the following situations or workers?

100 feet

OSHA requires that a fire extinguisher be placed in a convenient location in the yard area when combustible materials are stored in the open yard. What is the maximum travel distance to the yard fire extinguisher?

Protect the safety and health of America's workers.

OSHA's mission is to:

Atmospheric, engulfment, configuration

Periodically the opening at the bottom of the elevator gets clogged and a worker must enter the elevator to clear it. What potential hazards exist?

Fatality & Assessment Control Evaluation (FACE) Program

Provides detailed investigations of occupational fatalities. The FACE program is intended to help people learn from the events.

Not Safe

Safe/Not Safe: Workers are using a new crane. Because it is new, they skip inspection

Pay for the equipment.

Sometimes the steel erector leaves fall protection in place. When this is the case, the controlling contractor must do all of the following except:

powered industrial trucks

Special training required

Being hit by falling or dropping objects

Spotters working at the bases of ladders are often at risk of ___________.

metal/plastic

Support load requirements for __________ ladders: must be able to support at least 3.3x the maximum intended load

True

T/F: All crane operators must be qualified or certified by November 10, 2014

False

T/F: All crane operators must pay for their own qualification or certification

True

T/F: Certification from an accredited testing organization is valid for 5 years

False

T/F: Certification from your employer's program is valid 8 years

True

T/F: Operators in training must be continuously monitored

True

T/F: The biggest hazards associated with hand tools come from misusing tools or using improperly maintained tools

True

T/F: You should use a short wire or positive locking device to secure the air hose to a pneumatic tool.

False

T/F: an operator license issued by the US military is portable

- falls on the same level - falls to a lower level - jumps to a lower level

The BLS categorizes falls into three major groups:

- Know hazards presented by PRCS - Understand what type of behavior indicates potential exposure to hazards - Know which/how many authorized entrants are in space - Remain outside space until relieved - Communicate with authorized entrants as necessary to monitor entrant status

The Permit-Required Confined Spaces Standard requires attendants of a confined space to:

D. All of these.

The Permit-Required Confined Spaces Standard requires employers to:

D. Employer

The __________ is responsible for providing equipment required for safe permit-required confined space entry.

leading edge work

The fall protection plan option is available only to employees engaged in _____.

All of these.

The fire alarm system must:

Guardrails, barriers, and barricades

The following forms of fall protection are suitable when workers are required to pass over an excavation more than six feet deep.

- Surface structure - Housekeeping - Obstructions - Loading considerations

The four categories of surface hazards that may cause slips, trips, or falls

4

The height of the scaffold must not exceed _____ times the minimum base width.

Fire extinguishers

The most common violation of Subpart F: Fire Protection and Prevention is related to __________.

Barricade

The most effective way to prevent workers from walking under the arm of a crane is to use a:

annually

The permit-required confined space entry program must be reviewed:

A competent person, erected, snow or ice, start work

The supervision of _____________ is required any time scaffolds must be ________, moved, or dismantled. _______ must be removed before workers can _________________.

supported, suspended, and aerial lift trucks

The three types of scaffolds are ________________.

Stable and solid surface

The top of the ladder should be placed against a:

Leading edge

The unprotected side and edge of a floor, roof, or formwork for a floor or other walking/working surface (such as deck). The loading edge changes location as additional floor, roof, decking, or formwork sections are placed, formed, or constructed.

CLASS B

There is a gas leak in the fueling station at work, and the gas is ignited by a carelessly discarded cigarette. Which class of fire is this?

Class C

There is a mechanical malfunction in the processing plant, and the short-circuited machine catches on fire. Which class of fire is this?

site-clearing operations

There should be someone available at the jobsite who has first aid instruction during:

atmospheric, mechanical (unguarded machinery)

This vault must occasionally be accessed to check equipment and take periodic readings. What potential hazards exist?

false

True or False: A team of workers are working together to provide alterations to an existing football stadium. The work includes traditional steel-erection activities, such as hoisting of steel joists. It is not covered by Subpart R, however.

false

True or False: As a new worker with no experience or previous qualifications, Bob is ideal to act as an qualified person to provide training.

false

True or False: At least three anchor rods (anchor bolts) must anchor each structural column.

False

True or False: CFR 1926 Subpart R deals entirely with defining the scope of steel erection activities.

true

True or False: Certain substances, such as zinc or lead, have specific ventilation requirements.

True

True or False: Column spices must be designed to withstand an eccentric gravity test.

false

True or False: Covers for roof and floor openings should be strong enough to cover 1/2 of the maximum weight they will be required to support.

false

True or False: Ergonomics only takes into account the job that needs to be done.

false

True or False: Fire brigades are professional fire fighting organizations employed by the state.

False

True or False: Fire cutoffs and exit stairwells should be among the last items built during a construction project.

true

True or False: Formwork must be strong enough to support all loads placed on it.

False

True or False: It is okay to exceed the load rating of a forklift if safety precautions are taken.

False

True or False: It is uncommon for electrocution to cause crane incidents.

False

True or False: It's alright to remove plumbing-up equipment at any time.

Well-ventilated areas where all fire hazards have been removed or guarded.

Welding and cutting operations are allowed in:

- Is effective on Class B and C fires - Is relatively inert - Leaves no residue

What are the benefits of carbon dioxide fire extinguishers? This type of extinguisher: Select all that apply.

- Is relatively non-toxic - Is effective on Class B and C fires - Interrupts the chemical reaction that causes combustion

What are the benefits of dry chemical fire extinguishers? This type of extinguisher: Select all that apply.

- Is effective on Class A, B, and C fires - Interrupts the chemical reaction that causes combustion - Is non-conductive

What are the benefits of multi-class dry chemical fire extinguishers? This type of extinguisher: Select all that apply.

- Is inexpensive - Is non-toxic - Removes heat

What are the benefits of water fire extinguishers? This type of extinguisher: Select all that apply.

C. The extra pressure will cause the trench walls to bulge.

What can happen if there is extra weight on the edge of an excavation?

Working with vibrating machinery

What causes Raynaud's Syndrome?

Compressive strength of the soil in tsf.

What does a penetrometer tell you about the soil?

Hard or brittle materials can chip, splatter, or make the fastener ricochet. You should also never use these tools on easily penetrable materials unless there is a backing that will prevent the pin or fastener from passing through it

What happens if you use a powder-actuated tool on a hard or brittle material?

A slide that is enclosed on all sides.

What is a debris chute?

Can be acutely toxic

What is a disadvantage of Halon fire extinguishers?

100 feet

What is the maximum travel distance to a fire extinguisher?

falling

What is the most common hazard associated with ladder use?

fire extinguisher violations

What is the most common violation of Subpart F: Fire Protection and Prevention?

Workers cannot climb from one working surface to the other using anything other than a ladder or a safe means of access.

What would you guess an OSHA inspector might say to the supervisor at this site, upon witnessing this activity?

- The LAZ must be established on the side of the wall that will be unscaffolded. - The LAZ must run the length of the entire wall. - The LAZ must be established before construction of the wall begins. - The LAZ must be equal to the height of the wall to be reconstructed plus an additional four feet.

When building a wall with masonry, which of the following guidelines for limited access zones (LAZs) apply? Select all that apply.

Common Ignition Hazard: Nozzles for Tanks Containing Flammable Gases or Vapors

When cleaning or ventilating a tank or vessel that holds hazardous concentrations of flammable gases or vapors, the nozzle of the air, inert gas, or steam line or hose you are using must be bonded to the tank or vessel shell. If you need to work on the nozzle, you cannot attach or detach the bonding device when hazardous concentrations of flammable gases or vapors are present.

- Check that parts operate freely - make sure the shields, guards, and attachments are in place - make sure the barrel is clear from obstructions

When inspecting a powder-actuated tool, what should you look for?

coordinated

When involving entry employers, joint entries must be:

Never.

When is it ok to travel with a load raised much more than four inches?

Stacked properly or blocked to make sure they don't slide around or fall off pallets.

When materials are dropped off at the job site they should be:

If he or she enters the confined space through a small opening

When must a welder or cutter use a lifeline while working in a confined space?

both of these times

When must crane inspections take place?

before, after, & during concrete placement

When placing concrete in erected shoring, when must the shoring be inspected?

0

When precast concrete members are being lifted or tilted into place, what is the maximum number of workers allowed under the member other than the workers required by the job?

all of these

When set up, the base of the ladder should always be:

Before the start of construction of a wall

When should a limited access zone be established?

Before hoisting

When should hoisting operations be planned?

When the concrete has hardened and can support the load on its own

When should shoring or reshoring be removed after pouring concrete?

Always assume the power lines are energized

When using a crane near overhead power lines, you should:

Exceed the rated capacity of the jack or jacks.

When using a jack with a vertical slip form, what should you not do?

All of these

When welding or cutting in a confined space:

You should do all of these.

When working with fuel gas and oxygen manifolds:

Fall Protection - 29 CFR 1926.451 (g) (1)

Which OSHA regulation is the most frequently cited?

Boilers have a small access door/hatch to get in or out, are not designed for employees to be in continuously, and are large enough for an employee to go inside and perform work

Which characteristics of a large boiler make it a confined space?

class B

Which class of fire extinguisher is represented by a letter symbol in a red square?

testing, calibration, monitoring

Which entry equipment is this: Instruments like the O2 meter monitor air quality in a confined space

Communication devices

Which entry equipment is this: Radios allow communication between the entrant and the attendant stationed outside- crucial communication during confined space work

ventilation equipment

Which entry equipment is this: provides breathable air into a confined space

The loader with the roll-over bar and the canopy

Which front-end loader will you use to deliver material to area B, where the crane is operating?

either of these loaders

Which front-end loader will you use to deliver material to area C? Area C is downhill from the loading area.

Construction, alteration, and repair

Which of the following activities are covered by OSHA's steel erection regulations?

avoid routing a concrete bucket over people when possible, and if necessary route the bucket over as few people as possible.

Which of the following best describes proper procedures for routing an elevated concrete bucket?

Summon rescue services if necessary.

Which of the following is not a duty of authorized entrants of a permit-required confined space?

Tell him "no, i'm attending a confined space"

You are an attendant at a PRCS. You have an entrant below in the PRCS. Another worker approaches you and asks for help with another task. What do you do?

no

You will be working at a grain silo. Is this a situation where you could possibly use any Alternate Entry Procedure?

no

You will be working in a gas tank. Is this a situation where you could possibly use an Alternate Entry Procedure?

Type C

______________ soil is often referred to as "farmer's dirt" and includes gravel, sand, loamy sand, or soil from which water is freely seeping.

Oil-Fired Heaters

_______________ must have a primary safety control to stop the flow of fuel. Note: OSHA does not consider a barometric or gravity oil feed to be a primary safety control. If you do use a barometric or gravity oil feed heater, it can only be used with the integral tank.

Type A

_____________soil is normally clay or sandy clay soil. It is fairly stable and holds up well. Cemented soils are also considered to be _________ soils.

move

________a cylinder by tilting and rolling it on its bottom edge. Do not intentionally drop, strike, or let cylinders strike each other violently. Also, remove the regulator and put a valve protection cap in place before the cylinder is moved unless you secure the cylinder on a special carrier made for this purpose.

confined space

a __________ has limited or restrictive means of entry or exit, is large enough for an employee to enter and perform assigned work but is not designed for continuous occupancy.

double-cleated

a __________ ladder is required whenever there are 25 or more employees in the work area and the ladder is 1) the only means of access OR 2) must serve two-way traffic at the same time

fire brigade

a private fire department. Some organizations have their own fire brigades, which consist of an "organized group of employees who are knowledgeable, trained, and skilled in at least basic fire fighting operations."

back pain

caused by repeatedly lifting materials, sudden movements, whole body vibration, & more

Self-Locking Snaphook

connector consisting of a hook-shaped member with a normally closed keeper, or similar arrangement. It may be opened to permit the hook to receive an object and, when released automatically, closes to retain the object.

Guardrail Systems

consist of toprails, midrails, and toeboards to prevent people and loose objects from falling to a lower level

danger signs

indicate that an immediate hazard exists. Red upper panels, black outline on borders, white lower panel for additional wording if necessary

tendonitis

inflammation of chords attaching muscles to bones

Supported Scaffolds

normally framed squares made of metal or wood, which support a platform. They are typically assembled on site, with wrenches and other tools.

Suspended Scaffold

normally suspended by wire or rope. This wire or rope must be capable of supporting at least six times the maximum intended load without failure.

raynaud's syndrome

numbness and tingling of the fingers or toes, with them turning pale white, then blue, and then red

a jump to a lower level

occurs when an individual leaps from a higher elevation to a lower elevation to avoid an uncontrolled fall or injury.

carpal tunnel syndrome

occurs when the median nerve, which runs from the forearm into the hand, becomes pressed or squeezed at the wrist

safety instruction signs

provide safety instructions when they are necessary. White with green upper panel

Pinch Grip

provides control for precision and accuracy

Power Grip

provides the maximum hand power for high force tasks

falling, toeboards, heavy, kept from the edge, bracing

some methods to prevent ________ objects striking workers include the use of _________, screens, or debris nets. When objects that can fall are too ________ to be deflected, the potential falling object must be __________ or secured from falling by tying or ________.

Aerial Lifts

special scaffold-like devices used to get the worker to an elevated position. Often referred to as "cherry pickers" or "boom trucks."

Steel erection

structures, steel erection, or also covered: hoisting

also covered

structures, steel erection, or also covered: rigging

also covered

structures, steel erection, or also covered: sealing

structures

structures, steel erection, or also covered: stadiums

Well-ventilated areas where all fire hazards have been removed or guarded.

welding or cutting operations are allowed in:

debris chute

whenever material is dropped more than 20 feet to a container outside the building a _______ must be used

proper lighting

which entry equipment is this: Illuminates dark confined spaces to avoid safety hazards

PPE

which entry equipment is this: protects workers from chemicals and other hazards

SCBA

which entry equipment is this: supplies air to workers in hazardous conditions

it is no longer in use

which of the following is false about asbestos