Post on 26-Mar-2015
MSA W-65 Self-RescuerMSA W-65 Self-Rescuer
PurposePurpose
A self-rescuer is a device to be A self-rescuer is a device to be used in case of emergency for used in case of emergency for escape through atmosphere escape through atmosphere containing carbon monoxidecontaining carbon monoxide
All personnel in underground All personnel in underground mines need to know how to use a mines need to know how to use a self-rescuing device and to be self-rescuing device and to be aware of its limitationsaware of its limitations
Goals of the CourseGoals of the Course
To establish a working knowledge To establish a working knowledge of the self-rescuerof the self-rescuer
To enable the students to use the To enable the students to use the self-rescuer in an emergency self-rescuer in an emergency procedureprocedure
ObjectivesObjectives
Know how to operate a self-rescuerKnow how to operate a self-rescuer Know when the self-rescuer should be Know when the self-rescuer should be
usedused Know the limitations of the self-rescuer: Know the limitations of the self-rescuer:
time, carbon monoxide and storagetime, carbon monoxide and storage Explain the examination procedure Explain the examination procedure Demonstrate the correct procedure for Demonstrate the correct procedure for
donning the devicedonning the device
What is the Self-Rescuer?What is the Self-Rescuer?
Protects the wearer from carbon Protects the wearer from carbon monoxidemonoxide
Small enough to be carried on your Small enough to be carried on your beltbelt
Readily available in case of Readily available in case of emergencyemergency
Used at the first indication of a fire Used at the first indication of a fire or explosionor explosion
Diagram of a Self-RescuerDiagram of a Self-Rescuer
Basic substance Basic substance contained in the contained in the self-rescuer is self-rescuer is hopcalitehopcalite
Hopcalite changes Hopcalite changes carbon monoxide, a carbon monoxide, a poisonous gas, into poisonous gas, into carbon dioxide, a carbon dioxide, a relatively harmless relatively harmless gasgas
W-65 Protection FactsW-65 Protection Facts
Tests conducted by the Bureau of Tests conducted by the Bureau of Mines state the W-65 provides Mines state the W-65 provides adequate protection for 60 adequate protection for 60 minutes in 1% concentration of minutes in 1% concentration of carbon monoxidecarbon monoxide
You must keep the self-rescuer in You must keep the self-rescuer in place regardless of the heat place regardless of the heat generationgeneration
W-65 Protection FactsW-65 Protection Facts
The only purpose of the W-65 is for The only purpose of the W-65 is for escape or self-rescue from an escape or self-rescue from an atmosphere containing carbon atmosphere containing carbon monoxidemonoxide
It will not provide protection in an It will not provide protection in an atmosphere in which there is not atmosphere in which there is not enough atmosphere to function enough atmosphere to function properly (less than 16.25 percent properly (less than 16.25 percent oxygen)oxygen)
W-65 Protection FactsW-65 Protection Facts
The self-rescuer is made of durable The self-rescuer is made of durable metal enclosed in a corrosion-metal enclosed in a corrosion-resistant stainless steel caseresistant stainless steel case
It cannot be reusedIt cannot be reused Once the seal on the self-rescuer Once the seal on the self-rescuer
has been broken, it must be used has been broken, it must be used immediately and then discardedimmediately and then discarded
Regulations for Self-Regulations for Self-Rescue DevicesRescue Devices
30 CFR 57.15030 - a one hour self-30 CFR 57.15030 - a one hour self-rescue device approved by the rescue device approved by the Mine Safety and Health Mine Safety and Health Administration shall be made Administration shall be made available by the operator to all available by the operator to all personnel undergroundpersonnel underground
Regulations for Self-Regulations for Self-Rescue DevicesRescue Devices
30 CFR 57.15031 - Must be worn at 30 CFR 57.15031 - Must be worn at all times or carried by all persons all times or carried by all persons underground except for the underground except for the following:following:
» when it is hazardous to a person to wear or when it is hazardous to a person to wear or carry the device, it shall be located at a carry the device, it shall be located at a distance no greater than 25 feet from such distance no greater than 25 feet from such personperson
» when a person works on or around mobile when a person works on or around mobile equipment, it may be placed in a readily equipment, it may be placed in a readily accessible location on such equipmentaccessible location on such equipment
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Open self-rescuer Open self-rescuer by firmly pulling by firmly pulling lever up to break lever up to break canister sealcanister seal
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Pull and remove Pull and remove leverlever
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Remove cover Remove cover and discardand discard
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Remove the unit Remove the unit from the from the container by container by wrapping the wrapping the headstrap around headstrap around the wrist and the wrist and pulling firmly pulling firmly
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Grip rubber tips of Grip rubber tips of mouthpiece firmly mouthpiece firmly between teeth, between teeth, making an airtight making an airtight seal with lips and seal with lips and mouthpiecemouthpiece
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Close nostrils with Close nostrils with the nose clipthe nose clip
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Remove hat and Remove hat and place head strap place head strap on head.on head.
Replace hatReplace hat
Operation of W-65 Self-Operation of W-65 Self-RescuerRescuer
Go to fresh air Go to fresh air immediately as you immediately as you breathe only breathe only through the self-through the self-rescuerrescuer
A breathing A breathing resistance, similar to resistance, similar to breathing through a breathing through a dust respirator, will dust respirator, will be experiencedbe experienced
Inspection and Inspection and MaintenanceMaintenance
Before going underground Before going underground examine your self-rescuer for any examine your self-rescuer for any external damageexternal damage
If it is damaged, replace it with If it is damaged, replace it with another oneanother one
Inspection and Inspection and MaintenanceMaintenance
Should the self-rescuer be Should the self-rescuer be damaged while underground, it damaged while underground, it may be impossible in cases of may be impossible in cases of emergency to remove the emergency to remove the respirator from the containerrespirator from the container
In this case, the wearer can still In this case, the wearer can still breathe with the filter in the breathe with the filter in the containercontainer
Inspection and Inspection and MaintenanceMaintenance
The standard 30 CFR 57.15030 The standard 30 CFR 57.15030 states an effective inspection states an effective inspection program must be established by program must be established by the operator and include both a the operator and include both a visual inspection and weighing of visual inspection and weighing of the devicethe device
Inspection and Inspection and MaintenanceMaintenance
A visual inspection serves to A visual inspection serves to identify surface defects, such as a identify surface defects, such as a crushed case or broken sealcrushed case or broken seal
Weighing is necessary because it is Weighing is necessary because it is the most reliable test in the most reliable test in determining the serviceability of a determining the serviceability of a self-rescuerself-rescuer
Inspection and Inspection and MaintenanceMaintenance
The inspection program for The inspection program for weighing self-rescuers shall not weighing self-rescuers shall not exceed a 90-day period and exceed a 90-day period and provide a record of weight for each provide a record of weight for each devicedevice
The weight gain should not be 10 The weight gain should not be 10 or more gramsor more grams
Miner’s ResponsibilityMiner’s Responsibility
Remove the self-rescue device if they Remove the self-rescue device if they are not in good condition or any of the are not in good condition or any of the following exists:following exists:
– A device has a crushed or deeply dented caseA device has a crushed or deeply dented case– A device has dents or damage around the seal A device has dents or damage around the seal
areaarea– A device has a broken seal or has lost its A device has a broken seal or has lost its
vacuum sealvacuum seal– A device has a weight gain of 10 grams or more A device has a weight gain of 10 grams or more
above the manufacturer’s weight imprintedabove the manufacturer’s weight imprinted
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
When should a person use the self-When should a person use the self-rescuer?rescuer?
The rescuer should be used The rescuer should be used immediately at the first indication immediately at the first indication of a fire or explosion even though of a fire or explosion even though no smoke is visible.no smoke is visible.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
How long will the self-rescuer How long will the self-rescuer protect you once it is activated?protect you once it is activated?
One hourOne hour
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
When should you remove the self-When should you remove the self-rescuer?rescuer?
Do not remove the self-rescuer Do not remove the self-rescuer until you are in fresh air.until you are in fresh air.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
What is the use life of a self-What is the use life of a self-rescuer?rescuer?
Remove the self-rescuer from Remove the self-rescuer from service if it has a weight gain of 10 service if it has a weight gain of 10 grams or more above the grams or more above the manufacturer’s weight imprinted manufacturer’s weight imprinted on the self-rescuer case.on the self-rescuer case.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
If the container does not come off when If the container does not come off when you open the device, what should you you open the device, what should you do?do?
If the container is damaged, it may not If the container is damaged, it may not be possible in an emergency to remove be possible in an emergency to remove the respirator from the container. The the respirator from the container. The wearer can still breathe with the filter in wearer can still breathe with the filter in the container.the container.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
If the device begins to get hot, what If the device begins to get hot, what should you do?should you do?
The wearer must keep the self-rescuer The wearer must keep the self-rescuer in place regardless of how hot it in place regardless of how hot it becomes. To remove a self-rescuer becomes. To remove a self-rescuer under such circumstances would under such circumstances would almost certainly result in death.almost certainly result in death.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
Why was the self-rescuer Why was the self-rescuer designed?designed?
As the name implies, the self-As the name implies, the self-rescuer is intended to help the rescuer is intended to help the wearer escape.wearer escape.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
From what gases does the self-From what gases does the self-rescuer protect you?rescuer protect you?
The self-rescuer is designed to The self-rescuer is designed to protect the wearer from carbon protect the wearer from carbon monoxide present in the air monoxide present in the air following a fire or an explosion. It following a fire or an explosion. It does not provide oxygen.does not provide oxygen.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
After you don the self-rescuer, After you don the self-rescuer, what should you do?what should you do?
Go to fresh air immediately.Go to fresh air immediately.
W-65 Self-Rescuer QuizW-65 Self-Rescuer Quiz
Should the self-rescuer be used t o Should the self-rescuer be used t o fight fires?fight fires?
NoNo