205.15A Papago Tunnel Response Flashcards
There are hydrant cabinets in the two vehicle tunnels located approximately every ________ on alternating sides of the tunnel.
300 ft (600 ft same side)
The maximum volume of traffic is ________ autos/hour/tunnel.
8,000
A four-way fire department standpipe connection to support the wall hydrant system is located on ________.
Culver, 50 feet west of Central
Intake fitting on the connection are 2 1/2”
What is the most direct access to the tunnel?
Off 7th Ave and 7th St
There are two vehicular tunnels. How many lanes of traffic in each direction?
Five
Each tunnel also has two emergency lanes
Four access doors provide access from the transit tunnel to the vehicular tunnel (two on eastbound side and two on westbound side). Where are they located?
Approximately 1/3 of the way from the vehicular entrance/exit points
The access doors are located from the transit side. Where are the lockboxes?
Mounted next to the door
Each tunnel has mechanical ventilation. There are ______ ventilation rooms, ______ for each tunnel that control airflow.
4 ventilation rooms
2 for each tunnel
What does each ventilation room control?
Lighting
Ventilation
Fire detection
CO monitoring
Emergency telephone communications
How can the ventilation room be accessed?
On the surface via the structures on the deck
Ventilation rooms have essentially one way in and one way out by means of a long stairwell. There are two separate levels to each room that go to a depth of _____ feet below the surface.
35 feet
The ADOT control room serves as the entry point for the main electrical switchgear. It is located where?
Below Central Ave. overpass on the south side
Access is from the deck park ground level
What serves as a control and communications center for the tunnel?
ADOT control room
There are ____ doors per tunnel, which allow movement between the vehicular tunnel, and the bus transit tunnel.
2 doors per tunnel
Location of the hydrants are indicated by what?
Blue and white hydrant sign
Is the tunnel standpipe system wet or dry?
Wet
There are total of _____ fan rooms, _____ for each vehicular tunnel.
4 fan rooms
2 for each tunnel
Each fan room has ____ fans, so each vehicular tunnel has a total of _____ fans providing ventilation.
2 fans
4 fans total
Each fan room provides power, ventilation and fire protection control to a quadrant of the tunnel. Each ventilation room has a UPS system that provides _____ minutes of bridge power between loss of APS and generator start-up.
15 minutes
Where is each fan accessed?
The deck level
What frequencies will operate in the tunnel?
Fire channels 1, 2, 3 ( VHF)
Med channels 3, and 9 (UHF)
What should members remember when utilizing the radio?
There is a half second time element needed to capture the repeater, the first part of the message can be lost
Repeat your company ID twice at the front-end of the transmission
Will MCT’s operate in the tunnel?
No
Where are the emergency telephone cabinets located?
Everyone 150 feet on both sides
What indicates the telephone cabinet locations?
By large reddish-brown vertical stripes on the walls
Number 1 to 9 in the direction of traffic flow
What is located in the telephone cabinets?
Telephone that is connected with ADOT control room
Dry chemical extinguisher
Fire alarm pull station
Temper switch to alert the operator when cabinet is open
If traffic congestion severe, creating significant delays in reaching the incident site, the second due company should _______.
Enter the transit tunnel
When responding to the transit tunnel, companies should enter the freeway with the flow of traffic from the opposite direction. Enter the freeway at _______.
16th st. or 19th Ave.
Other companies responding should level 2 stage where?
On Culver, just west of central
What are the four probable major incidents scenarios for an emergency in the tunnel?
Major medical
Major fire
Hazmat spill/release
Below ground fire
When there is a fire in the tunnel the first attack line should? Second lines?
Protect victims and rescuers
Address fire control and extinguishments
For a fire in the tunnel, ensure adequate foam capacity is on scene before initiating a foam attack. _______ engines will need to be on scene before adequate form is available for attack in a large liquid fuel fire.
2 or 3 engines
How many below ground facilities are there related to tunnel operations?
5
4 ventilation fan room operations
1 power and equipment room (ADOT control room location)
A fire in one of the below ground structures should be considered a _______.
Confined space operation
For below ground fire if no persons are belief trapped, or the survival profile suggests no rescue should be attempted, what is the best approach to fighting the fire?
Seal the facility
Secure all power
Let the fire burn itself out
The tunnel extends from _____ave. to ______ st.
3rd Ave. to 3rd st.
What is there between the two vehicular tunnels to service bus traffic?
A single bus transit tunnel
Normal airflow is drawn in from what direction?
New the middle and flows to exit at either end
Airflow volume is determined by what?
Carbon monoxide readings
What kind of ventilation does the bus transit tunnel have?
None
There is uninterrupted power supply that provides what amounts of power between the loss of APS power and the start up generator?
Bare bones bridging power
Each vent room has a smoke detection system in it that transmits an alarm to whom?
ADOT Control Room
How many points of egress does the vent rooms have?
One way in, one way out
ADOT control room is manned during what times?
24 hours a day
ADOT control room has video monitoring capability for all points in the two vehicular tunnels but not where?
Bus transit tunnel
The control room is equipped with what type of safety equipment?
Control detection system
Halon suppression system
It is not possible for the operator to shut down the high-voltage switchgear from this location. It must be shut down from where?
By APS from a remote location
Lockboxes will be installed in what locations?
Location access
Fan room access buildings at deck into fan room
Fire detection system
The two vehicular tunnels are equipped with what type of heat detectors at the ceiling?
Linear rate of rise heat detectors
Once an alarm is transmitted to the ADOT control room, the fans in that quadrant automatically go to what?
Go to full exhaust
It takes approximately how many minutes for the fans to cycle from full supply to full exhaust?
5 minutes
When the fans are in full exhaust they are discharging how many cubic feet per minute?
400,000
Fire hydrant cabinets have what type of fittings?
2 1/2” fitting
4” fitting
The fire hydrants are fed by what size water mains?
6”
What type of water supply is located inside the bus transit tunnel?
None
What must be done to connect to the hydrant boxes in the wall?
Remove the humat, directly connect the hose
There are two pump houses, where are they?
One at 3rd ave
One at 3rd st
Each pump house has what size pump?
100,000 gallon sump and each pump house
The pump houses are monitored by whom?
ADOT District Office at 22nd ave. and Durango
