Ch 19. Operating Aerial Apparatus Flashcards
When should personnel be attached to an approved anchor point on an aerial Apparatus?
Any time they are not actively climbing or descending the ladder, any time they are not actively entering or exiting the platform and any time the device is in motion
When should the operator never extend or retract the area device?
Never extend or retracted advice with people on the ladder
What is created near mechanical parts such as pillows, sheaves, roller guides or structural features on an aerial device?
Pinchpoints
What is a hazard associated with touching a wire rope?
Wire ropes through use will develop barbs which can slice skin
Where is the primary control position on an aerial device?
The primary control position for the aerial operators is that the lower controls usually at the turntable. These controls will override the secondary controls
Where are the secondary controls on an aerial device?
The secondary control position is at the ladder tip or platform. The primary control position must be staffed anytime personnel are in the secondary control position
What type of chart provides distributive load capacities depending on the ladders extension and elevation?
Load charts
When raising the aerial device to the desired position what series of motions is used control the movement and operation?
Elevated
rotated
extended
lowered
Why should full speed operations when moving the aerial device be minimized?
Full speed operations, regardless of the skill level of the operator, should be minimized due to the large amount of dynamic stressors imposed on the aerial device when the device is halted
When a pinnable waterway is attached to the tip of the ladder this is considered ________mode
Firefighting mode
When a pinnable waterway is attached on a lower aerial section this is considered to be ______ in mode.
Rescue mode
Why should Ariel ladders with detachable waterways not be moved a great amount while the hose and nozzle are charged?
The aerial ladder is not designed for this type of stress
Where should firefighters operate on ladders with detachable waterways?
Firefighters should operate from the turntable while operating with detachable waterways
When shutting down the flow of water while using a detachable waterway, it should be done slowly to avoid unnecessary stress. Sudden changes in pressure may produce what type of loading and ladder sway?
Shock loading
What is the 75 – 80 –80 guideline for a quick ladder pipe use?
75° elevation, 80% extended length, and 80 psi nozzle pressure for a inch and a half tip.
What is the weight of ice?
1 in.³ of ice weighs 0.03 pounds
