Construction

Hazards and best practice associated with compressed gases and pressure washers. 

Hazards associated with compressed gases include oxygen displacement, fires, explosions, and toxic gas exposures, as well as the physical hazards associated with high pressure systems.


## Special storage, use, and handling precautions are necessary in order to control these hazards.


Compressed gases can be toxic, flammable, oxidizing, corrosive, or inert. In the event of a leak, inert gases can quickly displace air in a large area creating an oxygen-deficient atmosphere, toxic gases can create poison atmospheres, and flammable or reactive gases can result in fire and exploding cylinders.


Finish the sentence above; you can select more than one answer...


Compressed gases can cause...


If a cylinder or valve is noticeably corroded, the vendor should be contacted for instructions.
A leaking cylinder should be removed and isolated in a well-ventilated safe area. It may be necessary to call in trained emergency response personnel.
If the leak is at the junction of the cylinder valve and cylinder DO NOT try to repair! Instead, contact the supplier.


Compressed Gas

Storage is an important part of compressed gas safety


## Properly secure cylinders in a well ventilated and protected area away from heat, flames, and the sun.


You should segregate cylinders by ___ while in storage.


## All compressed gas cylinders must bear labels that clearly identify the contents.


wall-mounted or bench-mounted gas cylinder brackets
## chains or belts anchored to walls or benches
## Free-standing dollies or carts designed for gas cylinders and equipped with safety chains or belts.


Compressed gas cylinders must be in an upright position and supported at all times, whether full or empty. Acceptable methods of support include...


Gas cylinders must have the valve protection cap in place except when in use. Use appropriate dollies or hand trucks to move cylinders weighing more than 50 pounds.


Storage, Use and Handling

This lesson covers the key practice to avoid when handling compressed gas.


## It is extremely dangerous to store flammable gasses next to oxygen cylinders.


You should never store flammable gas next to or near an exit!


What are the two types of compressed gas cylinders?


Practices to AVOID

A Pressure may seem harmless but it is still important to understand how to operate and the dangers.


What should you do if you find the equipment is dangerous/broken?


Ensure the unit is has fuel and is properly oiled to manufacturers specifications before started.


Hook up all hoses and test their connection.


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