Safety Part 2 Flashcards
Safeguards workers from hazardous energy while they work with machines and equipment.
Lockout/ Tagout System
Lockout/ Tagout systems protects workers from
Acids Air Pressure Chemicals Electricity Flamable Liquids High Temperatures Hydraulics Machinery Steam Other Forms of Energy
Where ever there is a danger of an inhalattion hazard you must use
respirator
4 types of respirators
Self-contained breathing aparatus
Supplied air mask
Full facepiece mask with chemical canister
Half mask or mouthpiece with mechanical filter
This sheet accompanies every shipment of a hazardous substance and must be available to you on the site
Material Safety Data Sheet
MSDS give info for
Emergency first aid procedures
Manufacturer contact information
Harmful material that can be harmful to your lungs.
Asbestos
Asbestos can cause horrible diseases that may take up to 20 years to pop up if exposure is prolongued..ex
Lung Cancer
Scarring
Mesothelioma
When the body’s control system like sweating stops working and causes the temperature to continue to rise to the point of damaging the body and brain if not cooled
Heat Stroke
The fuel gas hose is usually what and has a what for connecting to the torch,
Red and sometimes black; left hand threaded nut
The oxygen hose is what and has a what for connecting to the torch.
Green; right handed thread nut
When inspecting hoses, look for what?
Charred sections close to the torch.
What are charred sections on hoses caused by?
flashback
the result of a welding flame flaring up and charring the hose near the torch connection and the cause from improperly mixed fuel.
flash back
what three things do you need to start a fire?
fuel, oxygen and heat
categorized as liquid, gas, or ordinary combustible
combustible
This means paper, wood, cloth and similar fuels
ordinary combustibles
can liquids be flamable or combustible?
Yes
Flamable liquids have a flashpoint where
below 100F
Combustible liquids have a flashpoint at
aboce 100 F
What are three actions that can prevent fire?
Removing the fuel
Removing the heat
Removing the oxygen
In construction, keeping you work area clean and free of scraps or spills is referred to as
housekeeping
This cord is used for portable power tools and you have to make sure they are properly connected
three-wired cords.
One of the most common safety grounding systems used to protect you from accidental electrical shok.
three wired system
in a three wired system, what would happen if the insulation in a tool fails?
The current will pass through the ground and not through your body.
Found in a watch battery and you feel a Faint Tingle.
.001 amps
9-volt battery and a slight shock
.005 amps
Christmas tree light bulb and is a painful shock with muscular control lost
.006-.025 amps women
.009-.030 amps men
Small electric radio Extreme pain. Breathing stops; severe muscular contractions occur. Death may result.
.05-.9 amps
4 amp jigsaw, Sawsall; portable drill. Ventricular fibrillation and nerve damage occur. Death may result.
1-9.9 amps
ShopVac; Circulation saw. Heart stops beating. Severe burns occur. Death may result
10 amps or above
On construction sights, what must you wear?
Heavy duty gloves
What are heavy duty gloves made of?
cloth, canvas, leather
Never wear gloves around
rotating or moving equipment; since they might get caught.
Testing a glove step one
Stretch the glove
Testing a glove step two
twirl the glove around or roll it down from the gauntlet
Testing a glove step three
trap air by squeezing the gauntlet with one hand, use the other hand to squeeze the palm, fingers and thumb to check for weaknesses or defects
Testing a glove step four
Listen for escaping air
Testing a glove step five
if it doesnt pass, it must be turned in for disposal
What will regular safety glasses protect you from?
falling objects, or objects flying at your face.
What can you add to protect the sides of you face?
shields
What gives your eyes the best protection from all directions?
safety goggles
In vehicle and roadway hazards section you dont have to stay alert at all times and if you know the driver in ftront of you, you dont have to keep a safe distance from vehicle and equipment
F
In vehicle and roadway hazards section maintain eye contact with vehicle or equipment operators to ensure that they see you
T
Its okay to get into blind spots of operators
F
Get on equipment if you want, even if you aren’t authorized
F
The most important thing is to wear reflective or high visibility vests or other suitable garments
T
Never stand in between pieces of equipment unless they are secured.
T
