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Confined Space Rescue
1. Confined Space Rescue and Rescue Equipment
1.1 L_D_Slide
Notes:
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2. Purpose
2.1 Divider
2.2 Purpose
Notes:
This Module covers the Confined Space Rescue procedures and Rescue
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Equipment required for all Ontario Operations employees who may be required or designated to be a confined space rescuer or supervisory person who may be required to manage the work or manage a rescue in a confined space or perform related work with respect to the same confined space, including plan specific rescue procedures training.
Consideration will be given to standard job procedures and the Regulations as prescribed in the Occupational Health and Safety Act (OHSA).
Completion of this module does not qualify you for Confined space rescue.
Once you have completed this module, you will need to contact your supervisor or the Learning and Development contact to complete the field training requirement for Confined space rescue.
2.3 Objectives
Notes:
Upon completion of this module you will be able to describe and identify;
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· the basic requirements of a rescue plan.
· the responsibilities of the Rescue Team members and the Rescue Team Leader.
· the four basic types of rescues that can be used in horizontal and vertical rescues to remove entrants from confined space, and
· the different types of rescue/retrieval equipment required to perform a confined space rescue.
Full Body Harness training:
in the event the confined space work risk assessment identifies that a full body harness is not required or pose additional hazards to entry personnel due to restricted areas or entanglement hazards, then instruction and training in alternate measures and procedures for use of other extrication devices must be identified in the entry and rescue plans and be incorporated in the Entry Plan specific training.
2.4 Training and Qualifications
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Notes:
To get the most out of this training, you must have completed the following training:
Golden Rules
Basic OHS Awareness
Confined Space Awareness
General Confined Space Attendant and Entry training
Additional training requirements include;
Entry Plan Specific training
(as mandated by O.Reg,632 section 9 for workplaces that are not projects and section 9 Projects).
Full Body Harness training:
in the event the confined space work risk assessment identifies that a full body harness is not required or pose additional hazards to entry personnel due to restricted areas or entanglement hazards, then instruction and training in alternate measures and procedures for use of other extrication devices must be identified in the entry and rescue plans and be incorporated in the Entry Plan specific training.
3. Rescue Plan
3.1 Divider
Notes:
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3.2 Introduction
Notes:
Two employees of a company descended into a 35-foot well to repair a pump. Entry was made through a manhole. About six feet below the opening was a plank platform. When the first worker dropped to the platform, he was immediately overcome and fell unconscious into the water below. His partner and another helper entered the well and they too fell unconscious into the water below. A passerby, in an attempt to save the drowning man, jumped into the water and drowned also.
By this time the fire department had arrived. The fire chief, wearing a self-contained breathing apparatus, went to rescue the victims.
On the platform he removed his facemask to give instructions to those above and was overcome. Subsequent tests revealed that the well atmosphere contained a lethal concentration of hydrogen sulphide.
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3.3 Introduction
Notes:
As a result of not following proper procedures, such as not performing air quality tests or having a rescue plan and rescue equipment in place prior to entry, five men died in this confined space accident. More than 60% of confined space fatalities are would-be rescuers. That's why it is important to develop a safe and effective rescue plan. Each entry, even on the same confined space, may involve different circumstances. The rescue plan must be reviewed each time. It is imperative that the appropriate rescue response be determined before each entry.
The time taken to figure out a rescue plan after an emergency occurs is time the victim may not have. If the victim has stopped breathing, it is approximately 4 to 6 minutes before brain damage may begin from a lack of oxygen.
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3.4 Introduction
Notes:
As a result of not following proper procedures, such as not performing air quality tests or having a rescue plan and rescue equipment in place prior to entry, five men died in this confined space accident. More than 60% of confined space fatalities are would-be rescuers. That's why it is important to develop a safe and effective rescue plan. Each entry, even on the same confined space, may involve different circumstances. The rescue plan must be reviewed each time. It is imperative that the appropriate rescue response be determined before each entry.
The time taken to figure out a rescue plan after an emergency occurs is time the victim may not have. If the victim has stopped breathing, it is approximately 4 to 6 minutes before brain damage may begin from a lack of oxygen.
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3.5 Introduction
Notes:
Employers, or in the case of a project the Constructors are responsible for developing on-site rescue procedures (or plan) before a worker enters a confined space.
The on-site rescue procedure (or plan) is based on the nature of the hazards identified during the confined space work risk-assessment for the task being performed that particular day or shift in each and every confined space, and it will assist in determining how many rescuers are required and where they should be staged. (i.e. at the confined space entrance or in the general area.)
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3.6 Introduction
Notes:
Employers, or in the case of a project the Constructors, shall ensure that an adequate number of persons trained and qualified in rescue are available for immediate implementation of the on-site rescue procedures (or plan) based on the confined space work risk assessment.
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3.7 Rescue Plan Form
Notes:
The confined space rescue plan form is used as guide in developing adequate written on-site rescue procedures (or plans) for each specific confined space.
This form can be used as the written rescue plan, or
if it is used to develop a specific rescue plan it is to be attached to the on-site written rescue plan and kept on file.
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3.8 Rescue Plan Form
Notes:
The rescue plan form is divided into 4 sections:
It is to be completed as follows:
Section 1
Identify:
the confined space
the Rescue Team Leader.
the known hazards involved in the particular confined space; these could include the exposure to chemical or biological hazards in addition to those listed
This is also your opportunity to ensure any hazards inside the confined space, such as mechanical, electrical or moving parts are correctly isolated.
It is also important to be aware of any external hazards, including those hazards that may be created by the work.
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3.9 Rescue Plan Form
Notes:
The rescue plan form is divided into 4 sections:
Section 1
Determine the configuration of the confined space. The space could be vertical or horizontal. Some spaces are shallow while others may be very deep.
Other confined spaces may have slopes or may contain obstacles that could lead to entanglement problems for both the victim and the rescuer.
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3.10 Rescue Plan Form
Notes:
Section 2
Determine the type and amount of rescue equipment and personal protective equipment to facilitate the rescue.
The equipment to be used will be dependent upon the hazards in the confined space and the relevant plan: examples of safety equipment include full body harness and lifelines, hoist/retrieval systems, SCBA, airline respirators and other PPE.
It is of paramount importance when choosing the equipment to be used in a rescue situation, to take into account the dimensions of the entry / exit points of the confined space, that they be compatible with the dimensions of the rescue equipment and rescue procedures.
If it is decided that breathing air is required to facilitate a rescue, you must ensure that breathing equipment is able to fit through the confined space opening.
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3.11 Rescue Plan Form
Notes:
Section 3
Determine the rescue plan details, identify point of entry, precautions required during the rescue and describe the back-up rescue plan.
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3.12 Rescue Plan Form
Notes:
Section 4
Once enough information is gathered, determine the number of rescue personnel needed.
Rescue personnel must be trained, identified and informed that they have been designated as such prior to each confined space entry.
Rescue personnel must be available as long as there are entry personnel in the confined space.
When an IDLH atmosphere is present, the emergency response team shall be present and ready to respond immediately.
Note: Present and ready to respond immediately means that the emergency response team members specified in the rescue plans are at the confined space, PPE is donned (respirator mask at the ready position), and all controls needed to enter the space immediately are in place. When these conditions are satisfied, the team members should reach the entrant(s) in 3 minutes.
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3.13 Rescue Plan Test Form
Notes:
Rescue procedures are to be tested and filed in a central location (preferably in the same location as the entry procedures and plans).
Identify who attended and witnessed the test:
Both printed names and signatures are required at the bottom of the form.
The completed and signed off record of the rescue plan test and a copy of the written rescue plan from Operations or Contractors is to be attached to the confined space entry procedures and scanned and uploaded onto the Mine or Plant intranet drive.
3.14 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
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Drag Item Drop Target
number
shape
size size
location
Drag and drop properties
Snap dropped items to drop target (Snap to center)
Delay item drop states until interaction is submitted
Feedback when correct:
When choosing the equipment to be used in a rescue situation, take into account the
dimensions of the entry / exit points of the confined space, they must be compatible with the
dimensions of the rescue equipment and rescue procedures. If breathing air is required to
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facilitate a rescue, you must ensure that breathing equipment is able to fit through the confined
space opening.
Incorrect (Slide Layer)
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That's right! You selected the correct response. (Slide Layer)
3.15 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
Drag Item Drop Target
attendant
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employer employer
leader
Drag and drop properties
Snap dropped items to drop target (Snap to center)
Delay item drop states until interaction is submitted
Feedback when correct:
In the case of a project the Constructor, shall ensure that an adequate number of persons
trained and qualified in rescue are available for immediate implementation of the on‐site rescue
procedures based on the confined space work risk assessment.
Incorrect (Slide Layer)
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3.16 Feedback
(Multiple Response, 10 points, unlimited attempts permitted)
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Correct Choice
X Liquids, solids, and gases.
X Chemical or biological.
X Mechanical, electrical and moving parts.
Feedback when correct:
Other hazards that could exist are any external hazards, hazards inside the confined space,
including those hazards that may be created by the work. Confined spaces may have slopes or
may contain obstacles that could lead to entanglement problems for both the victim and the
rescuer.
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That's right! You selected the correct response. (Slide Layer)
You did not select the correct response. (Slide Layer)
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Try Again (Slide Layer)
3.17 Feedback
(Multiple Response, 10 points, unlimited attempts permitted)
Correct Choice
X Lockout & tagout as per ZES.
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X Air quality monitoring / gas detection.
X Ventilation.
Personal Protective Equipment.
That's right! You selected the correct response. (Slide Layer)
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You did not select the correct response. (Slide Layer)
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4. The Rescue Team
4.1 Divider
4.2 The Rescue Team
Notes:
The supervisor must ensure that an adequate number of rescue team members
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including external service providers:
Are trained in rescue methods, techniques, equipment and standards, Have current knowledge of the Vale Ontario Operations Confined Space Program and Ontario Regulation 632 Confined Spaces Have Entry Plan Specific training and rescue procedures. Have the confined space rescue equipment and PPE as identified in the written on-site rescue procedures. Have First aid and cardiopulmonary resuscitation training. Rescue personnel must also be physically able to perform the rescue procedures as identified in the written on-site rescue plan.
4.3 The Rescue Team
Notes:
Using the safest methods possible, rescue personnel are also responsible for assisting the confined space entry supervisor in developing the rescue plan, training to the required level of proficiency, and testing the plan to ensure adequacy.
The site specific rescue plans/rescue procedures should be practiced as frequently as needed so there is a high level of proficiency.
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4.4 The Rescue Team
Notes:
It is important to note that not all members of the rescue team require all elements of rescue training, so long as the rescue team as a whole has adequate training. The amount of training required by each individual member of the rescue team will depend on the particular situation and plan.
(MOL Confined Spaces Guidelines July 2011, section 15, page 50.)
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4.5 The Rescue Team
Notes:
It is the responsibility of the rescue team member to verify that the equipment to be used is inspected, ready and in place for immediate implementation.
Equipment inspection records are to be kept and filed.
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4.6 The Rescue Team
Notes:
The team member must be ready and available to respond to an emergency immediately when summoned by the attendant.
The team members must not only confirm that all sources of energy have been tagged and locked out as per ZES, they must also add their personal protection locks and tags to the lock box at the start of the job.
The rescue team must keep direct communication with the attendant as determined in the plan.
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4.7 The Rescue Team
Notes:
If a member of the team must leave the area established in the plan he must communicate that information to the attendant and the confined space entry supervisor before leaving.
In this case all work will cease and entrants will vacate the confined space until replacement rescuer is found.
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4.8 The Rescue Team
Notes:
The rescue team must have an identified rescue team leader with the skills and knowledge needed to direct all aspects of a confined space rescue operation, including the skills and knowledge needed to assess the hazards and develop and implement a rescue plan, and to select applicable equipment and know its limitations.
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4.9 The Rescue Team
Notes:
Immediately upon arrival of the scene, the team leader must complete a rapid emergency scene assessment (Size-up) of the existing and potential conditions that may put the rescue team at risk.
Determine by way of a Risk / Benefit Analysis based on the hazards identification and situational assessment that weight the risk to be taken against the benefits to be gained for accepting to manage those risks.
Assume control of all activities during emergency rescue operations, be knowledgeable in all rescue team functions and direct the emergency response team for the overall safety of the rescue operation.
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4.10 The Rescue Team
Notes:
Secure any witnesses to the incident and competent persons that know the confined space and work that is being done in it.
Confirm the location of the emergency, the number of entrants and their condition.
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4.11 The Rescue Team
Notes:
It is recognized that not all rescues can be performed safety. Certain conditions may exist that would create an unreasonable risk as opposed to a calculated risk to rescuers.
Statement of Confined Space Rescue Entry Policy
The emergency response team will enter a confined space for rescue ONLY if the hazards presented are identified and capable of being effectively mitigated with the resources available.
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4.12 The Rescue Team
Notes:
Rescuers should not enter confined spaces containing atmospheres greater than 10% of the LEL (lower explosive limit), regardless of PPE worn (note: there is no adequate protection from an explosion within a confined space).
For elevated LEL situations increase ventilation and exhaust the necessary Cubic Feet Per Minute (CFM) to dilute and lower the LEL, then proceed when at lower than 10% LEL.
The intent of this topic is to not perform hazardous rescue entries, rather to ensure that hazards to rescuers are kept to an absolute minimum.
Completing a Risk / Benefit Analysis concerning the threat to rescuers in relation to the viable victims will determine if the rescue can be safety performed.
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4.13 The Rescue Team
Notes:
Limit danger to entanglement to rescuer, (if any entrant is entangled, the rescue team leader must identify the source of energy that caused the entanglement and bring to a Zero Energy State.
Allow for easier retrieval of rescue entrant should this become necessary (provide for clear passage through the opening without removal of necessary PPE, including SCBA.
Assess the scene for the risk of major fire or explosions within a confined space or any other identified risk that would compromise the safety of rescuers.
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4.14 The Rescue Team Leader
Notes:
The confined space work risk assessment will assist in determining how many rescuers are required including back-up rescue plan for the entry plan specific rescue procedures and where they are to be staged (i.e. in the general work area or at the confined space entrance.
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4.15 The Rescue Team Leader
Notes:
When confined space entry is made into an IDLH atmosphere or one that can quickly develop into an IDLH atmosphere (if ventilation fails or for other reasons) the emergency response team shall be present and ready to respond immediately.
Present and ready to respond means the emergency response team specified in the plans are at the confined space, PPE is donned (respirator mask at the ready position) and all other controls needed to enter the confined space immediately are in place.
When these conditions are satisfied, the team members should be able to reach the entrant(s) in 3 minutes.
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4.16 The Rescue Team Leader
Notes:
If the danger to entrants is restricted to mechanical hazards that would cause trauma related injuries ( broken bones, lacerations, abrasions etc.) a response time of 10 to 15 minutes from the time of notification and arrive at the confined space would be adequate, this is in line with the Golden Hour principles for basic trauma life support.
4.17 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
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Drag Item Drop Target
PPE
CPR CPR
SCBA
MSDS
Drag and drop properties
Return item to start point if dropped outside the correct drop target
Snap dropped items to drop target (Snap to center)
Allow only one item in each drop target
Delay item drop states until interaction is submitted
Feedback when correct:
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It is important to note that not all members of the rescue team require all elements of rescue
training, so long as the rescue team as a whole has adequate training. The amount of training
required by each individual member of the rescue team will depend on the particular situation
and plan.
Incorrect (Slide Layer)
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4.18 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
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Drag Item Drop Target
employer
rescue team rescue team
supervisor
Drag and drop properties
Snap dropped items to drop target (Snap to center)
Delay item drop states until interaction is submitted
Feedback when correct:
It is the responsibility of the rescue team member to verify that the equipment to be used is
inspected, ready and in place for immediate implementation. Equipment inspection records are
to be kept and filed.
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That's right! You selected the correct response. (Slide Layer)
4.19 The confined space rescuers are responsible for the following actions;
(Select all that apply)
(Multiple Response, 10 points, unlimited attempts permitted)
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Correct Choice
X Being ready and available to respond to an emergency immediately when
summoned.
X Confirming that all sources of energy have been tagged and locked out as per ZES.
X Keeping direct communication with the attendant as determined in the plan.
Recognizing the need for confined space rescue.
Feedback when correct:
The rescue team must be ready and available to respond to an emergency immediately when
summoned and before entering ensure all sources of energy have been isolated.
That's right! You selected the correct response. (Slide Layer)
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You did not select the correct response. (Slide Layer)
Try Again (Slide Layer)
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4.20 The confined space Rescue Team Leader is responsible for the
following actions;
(Select all that apply)
(Multiple Response, 10 points, unlimited attempts permitted)
Correct Choice
X Completing a rapid emergency scene assessment (Size‐up) of the existing and
potential conditions that may put the rescue team at risk.
X Determining by way of a Risk / Benefit Analysis weight the risk to be taken against
the benefits to be gained for taking those risk.
X Assuming control of all activities during emergency rescue operations, and
directing the emergency response team for the overall safety of the rescue
operation;
X Monitoring the air in the confined space and providing additional ventilation if
required.
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Feedback when correct:
The rescue team must be ready and available to respond to an emergency immediately when
summoned and before entering ensure all sources of energy have been isolated.
That's right! You selected the correct response. (Slide Layer)
You did not select the correct response. (Slide Layer)
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Try Again (Slide Layer)
4.21 If a member of the rescue team must leave the area all work will
cease and entrants
will vacate the confined space until replacement rescuer is found.
(True/False, 10 points, unlimited attempts permitted)
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Correct Choice
X True
False
Feedback when correct:
If a member of the team must leave the area established in the plan he must communicate that
information to the attendant and the confined space entry supervisor before leaving.
That's right! You selected the correct response. (Slide Layer)
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You did not select the correct response. (Slide Layer)
Try Again (Slide Layer)
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Untitled Layer 4 (Slide Layer)
4.22 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
Drag Item Drop Target
Lock‐out and tag‐out Lock‐out and tag‐out
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Evaluate the emergency scene Evaluate the emergency scene
Perform air quality monitoring Perform air quality monitoring
Install ventilation Install ventilation
Perform rescue Perform rescue
Drag and drop properties
Return item to start point if dropped outside the correct drop target
Snap dropped items to drop target (Tile)
Allow only one item in each drop target
Delay item drop states until interaction is submitted
Incorrect (Slide Layer)
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That's right! You selected the correct response. (Slide Layer)
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5. Rescue Types
5.1 Divider
5.2 Introduction
Notes:
Four basic types of rescues can be used in horizontal and vertical rescues to
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remove entrants from confined space.
They are as follows:
Self-Rescue: Where the entrant is physically and mentally capable of exiting the confined space without assistance and has the foresight to remove themselves from the hazard before it becomes a problem and would require removal.
External Rescue: a process where rescuers do not enter the confined space but a retrieval system is used to extract the entrant.
Entry Rescue: a process where rescuers enter the confined space to retrieve the entrant.
IDLH Entry Rescue: a type of entry where emergency response team has to enter a confined space to rescue an entrant exposed to an IDLH or unknown atmosphere, or to another immediately dangerous condition. Time is of the essence in this situation.
5.3 Entry Rescue
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Notes:
There are many situations that require an entry rescue procedure, such as when an entrant has detached their lifeline or there are multiple entrants or there are entanglement hazards.
Another problem requiring rescuers to enter happens when the internal configuration of the confined space prevents simply pulling the worker from the space.
External (non-entry) rescue may not be appropriate or possible for these or other reasons.
Provisions for internal rescue must therefore be part of all rescue plans.
In this situation it must be established that the rescue team can enter the confined space without themselves becoming victims.
5.4 External Rescue
Notes:
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If you need to perform an external (non-entry) rescue, you will require the use of retrieval equipment.
Retrieval equipment usually consists of a retrieval line attached to a full-body harness, an anchorage connector and anchor.
The other end of the retrieval line must be attached to a mechanical device or fixed point outside the confined space.
Where a suitable anchor point is not available directly above the confined space entrance, for example an I-beam, the surface around the confined space entrance is used as an anchor.
In this situation a tri-pod can be installed as an anchor.
5.5 IDLH Rescue
Notes:
An IDLH entry rescue is the only rescue scenario where the principle of “Life Over Limb” is allowed.
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“Life Over Limb” involves quickly moving a patient without stabilization in situations where there is immediate danger to the patient.
5.6 IDLH Rescue
Notes:
Determining “Life Over Limb” situations is a subjective exercise, but generally involves the following:
An atmosphere that contains contaminants that are of sufficient quantity to cause workers to become disoriented.
An unknown atmosphere with contaminants that could cause respiratory impairment or die;
Fire is present or the likelihood of fire is high;
Explosives are present or there is imminent danger of explosion;
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5.7 IDLH Rescue
Notes:
The work area contains hazards (chemical, biological or physical ) other than those specified in items
(a) or (b) that could cause immediately life-threatening injuries (ex: crush injuries, burns, engulfment, or suffocation);
An inability to gain access to workers who need life-saving care; and
An inability to render life-saving care because of an injured worker’s location or position.
In a “Life Over Limb” situation, an injured worker should be moved a reasonable distance from the hazard i.e., out of danger, but no further.
The injured worker should then be stabilized before being moved again.
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5.8 Rescue Plan Testing
Notes:
Written On-Site Rescue Procedures are to be in place, have been tested and filed in a central location.
There are 4 types of tests identified in the Confined Space Entry program which includes;
Walk-through test
Simulation test
Parallel test and
Complete test
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5.9 Walk‐through Test
Notes:
Walk-through Test
The walk-through test requires that Rescue team members meet to verbally walk through the specific steps of each component of the documented rescue plan.
The purpose of the walk-through test is to confirm the effectiveness of the plan and to identify gaps, bottlenecks, or other weaknesses in the plan.
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5.10 Walk‐through Test
Notes:
Walk-through Test
In addition to this the following criteria must be met:
The rescue team must be trained in the use of rescue equipment;
Certification of the rescue equipment must be provided to the project team or plant/mine coordinating entry;
The rescue team must assess the suitability of the rescue equipment listed on the rescue plan;
The equipment listed on the rescue plan must be used for extrication;
Verification by the rescue team that the rescue plan can be executed as written;
A member of the project team or plant coordinating the entry must review the pertinent documentation for completeness, and accuracy prior to the initial entry
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into the vessel.
5.11 Simulation Test
Notes:
Simulation Test
Simulation testing requires the rescue team to develop a simulated disaster recreation so normal operations will not be interrupted.
Under this testing technique, the rescue team reviews the plan and identifies key components that should be current and available.
The rescue plan is physically simulated by the rescue team without the use of a manikin.
A checklist can be used to ensure that the team complies with the requirements of the rescue plan.
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5.12 Parallel Test
Notes:
Parallel Test
Parallel testing is performed at an alternate site, using a confined space vessel similar in kind.
The physical simulated rescue can be performed with or without the use of a manikin.
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5.13 Complete Test
Notes:
Complete Test
The complete test implements all of the requirements of the rescue plan at the confined space vessel using a manikin and all of the rescue equipment listed on the plan.
This test could result in disruption of normal operations. Adequate time must be scheduled for the testing.
The duration of the test should be pre-determined to measure adequate response time.
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5.14 Complete Test
Notes:
Complete Test
Various test scenarios could be planned to identify the type of disaster, the extent of damage, recovery capability, staffing, and equipment availability, back-up resources availability, and time/duration of the test.
The test plan should identify the persons responsible and the time they need to perform each activity.
Note:
If the complete test involves an entry rescue activity/exercise then all requirements of this program must be in place prior to the entry portion of the complete test including a rescue plan and rescue personnel to meet the requirements of O.Reg.632-05 Confined Spaces.
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5.15 What questions should you ask yourself when determining if the
emergency requires
a “Life Over Limb” rescue?
(Select all that apply)
(Multiple Response, 10 points, unlimited attempts permitted)
Correct Choice
X Does the atmosphere contain contaminants that are of sufficient quantity to
cause workers to become disoriented?
X Does the atmosphere contain contaminants that could cause respiratory
impairment or death?
X Is there fire present or, is the likelihood of fire high?
X Are there explosives are present or is there imminent danger of explosion?
Feedback when correct:
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Other hazards to be aware of when considering a Life over Limb rescue include, chemical,
biological or physical hazards, the inability to gain access to workers or the inability to render
life‐saving care because of an injured worker’s location or position.
That's right! You selected the correct response. (Slide Layer)
You did not select the correct response. (Slide Layer)
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Try Again (Slide Layer)
5.16 Feedback
(Drag and Drop, 10 points, unlimited attempts permitted)
Drag Item Drop Target
External Target External
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Entry Target Entry
IDLH Target IDLH
Self Target Self
Drag and drop properties
Return item to start point if dropped outside the correct drop target
Snap dropped items to drop target (Snap to center)
Allow only one item in each drop target
Delay item drop states until interaction is submitted
Feedback when correct:
The four basic types of rescues that can be used in horizontal and vertical rescues to remove
entrants from confined space are Self, External, Entry and IDLH rescue.
Incorrect (Slide Layer)
Try Again (Slide Layer)
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That's right! You selected the correct response. (Slide Layer)
Interaction (Slide Layer)
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6. Rescue Equipment Description
6.1 Divider
6.2 Introduction
Notes:
The descriptions and inspection procedures provided in this section are intended
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for guidance purpose only.
Upon completion of this module you will proceed to the field component of this training which includes, equipment specific inspection and procedures for use as identified in the confined space entry plan.
6.3 Introduction
Notes:
If you need to perform an external (non-entry) rescue, you will require the use of retrieval equipment.
Retrieval equipment usually consists of a retrieval line attached to a full-body harness, an anchorage connector and anchor.
The other end of the retrieval line must be attached to a mechanical device or fixed point outside the confined space.
Where a suitable anchor point is not available directly above the confined space entrance, for example an I-beam, the surface around the confined space entrance is used as an anchor.
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In this situation a tri-pod can be installed as an anchor.
6.4 The Tripod
Notes:
The Tripod
The Tripod is constructed of high strength aluminum and is equipped with a 5000 lbs anchor point for fall arrest anchorage.
The tri-pod is prepared for use by adjusting the independent locking legs with integral push pins, ideal for uneven surface.
The unit also comes equipped with safety chains and tripod feet with skid pads.
Maximum capacity when used for fall protection
is *400 lbs. (181.4 kg), including tools. -
DO NOT EXCEED THIS WEIGHT.
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The tripod is suitable as an anchorage point
for ONE person when used for fall protection,
and for TWO persons for rescue purposes.
6.5 The Tripod
Notes:
Inspection
The Tri-pod must be visually inspected for damage or wear and tear.
The chain at the base of the legs as well as the rubber skid pads must be secure to prevent slippage.
Check that all bolts and clips are fully fastened and tight.
Inspect the pulleys for wear and that they rotate freely.
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6.6 The Davit Arm
Notes:
The Davit Arm
If the tri-pod is not suitable or practical, a davit arm can be used which is positioned on the pin of a mounting bracket or a portable base.
These brackets can be bolted or welded to the top or side of a vessel, near the opening to the confined space.
The davit arm will swivel and can be locked in place.
This unit features a 5000 lbs. anchor point for fall arrest anchorage, an adjustable custom length mast and extensions allow the user to increase the overall anchorage height.
The device can be equipped with a mounted winch or a SRL type III for retrieval.
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6.7 The Davit Arm
Notes:
Inspection
Inspection of the Davit Arm includes, checking all the structural parts for any signs of damage.
Look for dents, cracked welds or crushed tube.
Ensure that the pins, screws, nuts and bolts are in place and securely fastened.
Inspect the pulleys and rollers for chips, grooves or excessive wear and that the pulleys and rollers turn freely.
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6.8 Mighty Evac SRL type III
Notes:
Mighty Evac SRL type III
The unit is used for Rescue/Retrieval from a fall that has been arrested.
The Mighty Evac is constructed of a corrosion-resistant stainless steel and aluminum components with a rated capacity of 310 lbs.
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6.9 Mighty Evac SRL type III
Notes:
Inspection
Before every use, inspect the unit’s housing for loose fasteners. Look for any signs of damage such as, cracked, bent, distorted or worn parts that could cause the unit to malfunction.
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6.10 Mighty Evac SRL type III
Notes:
Inspection
Check the Snap Hook for signs of cracking, corrosion or pitted surfaces.
Inspect the fall indicator on the snap hook to ensure it is not red.
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Zoom (Slide Layer)
6.11 Mighty Evac SRL type III
Notes:
Inspection
Pull the cable all the way out of the device and ensure its in good condition. It must retract all the way back in.
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Check Braking mechanism by grabbing cable and snapping it away from device. It should lock and then disengage when pressure is released.
6.12 Mighty Evac SRL type III
Notes:
Inspection
Pull the cable out of the SRL and ensure that the gears engage and that winch mechanism is working in the retrieval mode.
Check the brass wear bushing on the unit where the cable enters the SRL.
Ensure the SRL bracket and attachments are compatible.
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6.13 The Winch
Notes:
The Winch
The winch is used to raise or lower an injured worker from a confined space with a rated capacity of 350 lbs.
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6.14 The Winch
Notes:
Inspection
Inspect all the screws, bolts, nuts, housing and guard.
Ensure they are free of cracks, dents or any other signs of damage.
The crank handle must lock positively onto the shaft and be free of cracks, bends or damage.
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6.15 The Winch
Notes:
Inspection
The snap hook must not be distorted or corroded, have sharp edges, burrs, cracks, or worn parts.
Ensure the snap hook works properly. The hook must move freely, lock upon closing and must swivel freely.
Inspect the impact indicator on the snap hook to ensure it is not red.
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zoom (Slide Layer)
6.16 The Winch
Notes:
Inspection
Inspect entire the length of the wire rope assembly starting at the hook.
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Look for kinks, cuts, crushed, burned areas or other damage.
Ensure the shear pin is intact, and drum retains one complete wrap of wire.
6.17 The Winch
Notes:
Inspection
The winch must be inspected prior to each use and after an impact force. It is also recommended to have it serviced by a factory authorized center or the manufacturer annually.
If the winch has been subjected to impact force, it must be immediately removed from service and inspected. If the winch fails to pass the inspection, it must be sent to an authorized service center.
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6.18 Entry Rescue Equipment
Notes:
Entry Rescue Equipment
If you need to perform an Entry rescue, you will be required to be trained in use of the following equipment.
The Backboard
The Basket and
1.
The Sked
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6.19 The Backboard
Notes:
The Backboard
This backboard is constructed of high density polyethylene plastic, molded in one piece. It is impervious to all body fluids and can be easily decontaminated.
It features two handholds at the tapered end to allow more stable transport and angled edges for easy tilting of the backboard.
The Najo Lite is rated for 450lbs.
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6.20 The Backboard
Notes:
Inspection
Ensure the backboard is free of cracks, crevices and punctures.
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6.21 The Basket
Notes:
The Basket
The basket can be used for various types of rescue.
The stretcher comes with three ¾” patient restraints, using a buckle system.
The basket is constructed of carbon steel with shock-cord fasteners to the netting.
The stretcher netting has been tested to 900 lb. static threshold.
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6.22 The Basket
Notes:
Inspection
The frame and weld joints must be free of cracks or any other sign of deterioration and should be free of dents or un-intentional bends.
The webbing should be free of breaks, tears and should be securely fastened to the lower rails.
The restraint webbing should be in good condition with no cuts or frays.
The buckles should be free of visible damage.
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6.23 The Sked
Notes:
The Sked
The SKED and its components allow for versatility when encountering various rescues from a confined space area.
It is constructed of low density polyethylene plastic and is equipped with six adjustable straps and four lifting handles.
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6.24 The Sked
Notes:
The Sked
The half SKED is made of the same durable material as the SKED stretcher, but is only half as long.
The half SKED allow for the patient to bend at the hips, allowing greater flexibility to turn corners.
The half SKED should not be used as a hoisting or immobilization device.
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6.25 The Sked
Notes:
Inspection
Inspect the plastic for tears.
The straps and buckles must be intact.
Ensure the rivets are not bent, discolored or show any evidence of corrosion, dents, cracks or sharp edges.
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6.26 The Sked
Notes:
Straps
The SKED has two nylon straps for horizontal lift/descent rated for 9000 lbs,1800 lbs each when used in basket configuration.
Inspection
Check straps and their stitching for damage. Ensure the straps are not discolored, fused, brittle or any melted fibers are present.
Check that the straps are free from dirt, oil, and stains which could weaken the material.
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6.27 The Sked
Notes:
Locking Carabineer
A steel locking D carabineer rated at 9,000 lbs is used for attaching the SKED to a hoisting system.
Inspection
Ensure the bill and eye are not twisted or bent and locking mechanism swivels freely. Look for discoloration due to weight stress.
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6.28 The Sked
Notes:
Kernmantle Rope
A 30 foot length 3/8” static kernmantle rope rated at 6,000 lbs. is used for vertical lift/descent.
Inspection
Check for chemical or heat damage evidenced by discoloration, brittleness, or melted fibers.
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Pause Timeline (Slide Layer)
6.29 The Sked
Notes:
Tow Strap
A tow strap is used to drag a SKED out of an area.
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Inspection
Check for chemical or heat damage evidenced by discoloration, brittleness or melted fibers.
6.30 The Sked
Notes:
Additional Handles
Four additional handles are provided to allow the SKED to be carried by up to eight rescuers.
Inspection
Check for chemical or heat damage evidenced by discoloration, brittleness or melted fibers.
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6.31 Rescue Knots
Notes:
Click on the labels below to view examples of knots commonly used in confined space rescue.
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F8 1 (Slide Layer)
F8 2 (Slide Layer)
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F8 3 (Slide Layer)
Square Knot1 (Slide Layer)
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Square Knot2 (Slide Layer)
Square Knot3 (Slide Layer)
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Square Knot4 (Slide Layer)
Square Knot5 (Slide Layer)
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Square Knot6 (Slide Layer)
square (Slide Layer)
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7. Summary
7.1 Divider
7.2 Summary
Notes:
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Congratulations. You have successfully completed the Confined Space Rescue module.
Through completing this module, you have learned and are now able to describe and identify;
the basic requirements of a rescue plan.
the responsibilities of the Rescue Team members and the Rescue Team Leader.
the four basic types of rescues that can be used in horizontal and vertical rescues to remove entrants from confined space, and
the different types of rescue/retrieval equipment required to perform a confined space rescue.
7.3 Training and Qualifications
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Notes:
Through completing this module, you have learned and are able to describe;
the basic requirements of a rescue plan.
the responsibilities of the Rescue Team members and the Rescue Team Leader.
the four basic types of rescues that can be used in horizontal and vertical rescues to remove entrants from confined space, and
the different types of rescue/retrieval equipment required to perform a confined space rescue.
7.4 Untitled Slide
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7.5 Untitled Slide
Notes:
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