EVIP, Zone 3 Roadway Flashcards
How early should the siren be in wail mode?
300 feet prior to intersection
How early should siren be in yelp mode?
150 feet prior to intersection
How early should you signal turning?
100 feet prior to intersection
When are emergency vehicles exempt from the law?
When in emergency mode
When can an emergency vehicle proceed past a steady red signal or stop sign?
Only after slowing down as may be necessary for safe operation
When can an emergency vehicle exceed the maximum speed limit?
So long as he does not endanger life or property
When are exceptions to driving rules allowed?
When audible signals are sounded while in motion as may be reasonably necessary
An emergency vehicle operator has a duty to drive…
With due regard for the safety of all persons
What does “due regard” mean?
A reasonably careful person, performing similar duties and under similar circumstances, would act in the same manner
SOP
Standard Operating Procedure: internally generated and fairly rigid
SOG
Standard Operating Guideline: internally generated, a guideline
Average driver’s reaction time
3/4 of a second
What is the rule for following vehicles?
Two-second plus rule
Following distance if following an unusual vehicle, if your vehicle is large or heavy, or if not adequately maintained
50% more
Following distance if road surface is loose or slippery, wet, dirt, or gravel, if vision is obscured, or if you are not fully alert
Double
Following distance if packed snow or ice
Triple
When speed doubles, braking distance ______
More than quadruples
Hand placement on steering wheel
3 and 9 o’clock
How are lanes numbered?
Outside lane = lane 1 (shoulder). Numbered sequentially to the inside lane (median).
TTCZ
Temporary Traffic Control Zone
Notification procedures that advise approaching motorists to transition from normal driving status to that required by the TTCZ.
Advance Warning
The action of merging several lanes of moving traffic on the upstream side of the incident into fewer moving lanes
Taper
Cones that extend from the taper cones along the lane striping to extend the temporary traffic control zone
Striping Cones
The protected work area shielded by the block from apparatus
Shadow
Area downstream of the incident that returns traffic to normal flow
Termination Zone
Minimum dispatch for LAR responses
2 apparatus with at least 1 engine or ladder
Wheel direction for blocking
Turn front wheels away from firefighters
Consideration for MVA in middle lanes
3rd fire apparatus
Cone placement rules
One firefighter placing/picking up cones, second firefighter spotting
Number 1 cause of winter driving accidents
Driving too fast
Leading cause of death during winter storms
Transportation accidents
Stopping distance with rain
50% more than dry
Stopping distance with snow
2 times normal stopping distance
Stopping distance with ice
3 times normal stopping distance
Maximum speed with chains
35 mph
What is the interlock/inter-axle system?
Each axle receives full power, giving the vehicle more control over slippery surfaces.
How to engage interlock
- Maintain vehicle speed. 2. Flip driver’s control switch “lock”. 3. Let up on accelerator to allow the interlock system to engage. 4. Resume driving at normal speed.
How to engage on-spot chains
- Vehicle needs to be moving. 2. Can be engaged or disengaged up to 25 mph. 3. Can be used up to 35 mph.
How deep of snow can on-spot chains be used in?
15”
The distance or space between personnel and the vehicles in the protected work zone and nearby moving traffic
Buffer Zone
