Gear Flashcards
How to load the rocker rope grab
- Open the moving front plate to expose the cams.
- Identify the figure of a person with arm raised etched between the cams on the inside of the body. The figure’s arm indicates the direction to the anchor(s) and the direction of the working part of the LRL.
- Attach the Rocker at any point on the rope by fitting the rope between the cams.
- Close the moving front place and connect the Rocker with the karabiner. Ensure both front and back plates are engaged.
Function test Rocker
To complete a function test:
1. Haul on the working part of the LRL. The line must not move through the device.
2. Haul on the standing part of the LRL. The line must move freely through the device.
When the thumb catch is activated to fix the moving cam in place, the LRL should not move.
before and after use checks rocker
MOVING FRONT PLATE
Marks, deformation, cracks, wear and corrosion.
REAR PLATE
Opens and closes properly.
FIXED CAM AND AXLE
Excessive play.
ROTATING CAM AND AXLE
If the moving front plate is not secured by fixed cam axle, decommission from use.
THUMB CATCH
Marks, deformation, cracks, wear and corrosion.
ATTACHMENT HOLES
Marks, deformation, cracks, wear and corrosion.
PETZL ID LOADING
- Open moving side plate
- Reeve the rope through the device so that the load strand of the rope enters between the cam and the anti-error catch
- Close the moving slide plate so that the latch closes over the karabiner.
The brake side of the rope should run over the wave of the device
FUNCTION TEST PETZL ID
Test 1
In DESCENT position
◼ Haul on the load strand. The rope must not move through the device.
◼ Haul on the brake side of the rope. The rope must move freely through the device.
Test 2
Systematically move the handle through all positions to check the safe and correct function of the device.
◼ Operating the handle in DESCENT position, test how the rope travels through device. Release the handle to test auto brake operation.
◼ Move handle to STOP position to test stationary work position.
◼ Note: Avoid using excessive force as the handle may go to the STORAGE position resulting in damage to the ID and rope.
◼ Move handle to ANTI-PANIC position to test panic-lock then return to DESCENT position, ensuring that an audible click is heard, to reset for use.
◼ Check the horizontal movement button springs back out after it is depressed.
PETZL ID PRE/POST CHECKS
MOVING SIDE PLATE
◼ Marks, deformation, cracks and corrosion (refer to Figure 194).
◼ Excessive play.
◼ Opens and closes properly.
◼ If the moving side plate can pass over the head of the cam axle, discontinue from use.
ATTACHMENT HOLES
◼ Marks, deformation, cracks and corrosion.
CAM AND AXLE
◼ Marks, deformation, cracks and corrosion.
CAM WEAR INDICATOR
◼ If cam groove is worn to the wear indicator (refer to Figure 1), discontinue from use.
FRICTION PLATE
◼ Marks, deformation, cracks and corrosion.
ANTI-ERROR CATCH
◼ Marks, deformation, cracks and corrosion.
◼ All teeth present and not dirty. If necessary, clean with a brush.
◼ Rotates properly.
◼ Return spring effective.
HANDLE PLATE
◼ Marks, deformation, cracks and corrosion.
◼ Return spring effective.
4 TYPES OF ANCHOR STYLES
The different sling configurations used to create anchorsinclude:
A basket - the sling is placed around the anchor and both ends are clipped into the karabiner. This configuration will double the WLL of the sling. 2000KG
A basket with an extra turn – this will double the WLL and provides a firmer attachment to the object. 2000KG
Choke – this configuration will reduce the WLL of the sling (not the preferred method). 800KG
Loop - will not affect the WLL. 1000KG
SLING LOAD ANGLES
IYT- Ideal, Yes, Trouble
Ideal angle
Ideal (I)
In the ‘Ideal’ configuration, the sling legs run parallel or close together, forming the shape of the letter ‘I’ (refer to Figure 5-6)
This configuration is considered ideal because the sling’s legs and respective anchors will be subjected to forces that are less than the weight of the load.
At close to zero (0) degrees, such as when a rope is taken around a block in a tackle or a sling around a slim anchor, such as a picket, the load on each leg will be around 50% of the original load.
Yes angle
Yes (Y)
In the ‘Yes’ configuration the sling legs run away from each other forming the shape of the letter ‘Y’ (refer to Figure 5-7)
This configuration is acceptable because the sling legs and respective anchors will be subjected to forces that are less than the weight of the load (until 120 degrees is reached).
Note: Ensure the karabiner remains loaded along its long/major axis.
Trouble angle
Trouble (T)
Warning! This configuration must not be used.
In this configuration the sling legs are orientated in opposite direction from each other forming the shape of the letter ‘T’ .
This configuration must not be used (‘T’ is for trouble) because the slings, legs and respective anchors will be subjected to forces that are greater than the weight of the load.
Procedure for rooftop edge management system
STEPS
Step 1.
DYNAMIC RISK ASSESSMENT
Consider: structural integrity, utilities (gas, electricity, water), hazards (HAZMAT including asbestos, environmental, climatic, residual heat from fire TIC).
Don appropriate PPE and PPC. Constantly reassess risk.
Step 2. ANCHORS
Selected anchors must be:
Capable of withstanding shock forces resulting from a potential fall.
Located to allow the Traverse Line to reach over the structure safely and the Tag Lines access to the required work area.
Rig each anchor with a two-metre sling and karabiner.
Step 3. RIG LINES
Prepare Life Rescue Line (LRL) on the side of the roof to be accessed. Tie a Butterfly knot in the centre of both the 50 m (Traverse) and 25 m (Tag) LRL. Place both knots in the Maillon. Screw the gate closed and tighten using the spanner provided.
Step 4. THROWLINE
Throw the Light Line from the non-working side of the building (if not possible throw from working side). Thread the end of the 50 m LRL through the alloy clip and tie an Overhand knot.
Step 5. HAUL AND TENSION TRAVERSE LINE
Haul in on the Light Line and then Traverse Line until the Butterfly knots reach the top of the roof ridge. Connect the Traverse Line to both anchors with the IDs. Conduct function test on both the IDs and then tension. Tie off running ends of the rope.
Step 6. GO ALOFT
Crew going aloft to dress in harness and attach to the Tag Line with a Rocker. Conduct function test on the Rocker. Establish ladder.
Conduct ARCHER check.
Access roof, tie a Figure 8 on the bight Stopper knot in the Tag Line and check it for length.
ARCHER CHECK
A-Anchors
-Check anchors are adequate and attached.
-Check sling angles.
- 3 person Pull
R-Rigging and Reeving
-Check knots are correct and dressed.
-Check reeving of Life Rescue Line (LRL) through ID and Rocker.
-Ensure function tests have been carried out. for correct loading
C-Connectors
- physically check and Ensure the screw gates are locked closed and correctly orientated on all karabiners.
-Ensure the Maillon is fully screwed closed and tightened, and checked before hauling aloft.
H-Harness, Helmets, and Hardware
▪ Ensure FF is wearing correct PPE (Helmet, gloves etc.)
▪ Ensure FF has the appropriate equipment to create an intermediate anchor
▪ Ensure all required tools are prepared to be used at height
E-Edges
▪ Check edges of rooftop
▪ Check for edges on anchor objects
▪ Attach edge protection where appropriate
R-Ready on Rope
Check crew are safely attached to the LRL. Firefighter is ready to leave ground.
DIFFERENCE BETWEEN LOW ANGLE AND HIGH ANGLE
High angle = Where the weight of the operator on belay is being supported through the harness by the LRL and the operator’s legs are used to assist balance.
Low angle = Where the weight of the operator on belay is supported by their legs, and the LRL is used to prevent sliding.
advantages of SELF MANAGED TRAVEL RESTRAINT SAFETY LINE
The advantage of this method is that an individual can manage their own safety when near an unprotected edge.