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Vol II > 205.15A Papago Tunnel Response > Flashcards

205.15A Papago Tunnel Response Flashcards

0
Q

There are hydrant cabinets in the two vehicle tunnels located approximately every ________ on alternating sides of the tunnel.

A

300 ft (600 ft same side)

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1
Q

The maximum volume of traffic is ________ autos/hour/tunnel.

A

8,000

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2
Q

A four-way fire department standpipe connection to support the wall hydrant system is located on ________.

A

Culver, 50 feet west of Central

Intake fitting on the connection are 2 1/2”

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3
Q

What is the most direct access to the tunnel?

A

Off 7th Ave and 7th St

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4
Q

There are two vehicular tunnels. How many lanes of traffic in each direction?

A

Five

Each tunnel also has two emergency lanes

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5
Q

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?

A

Approximately 1/3 of the way from the vehicular entrance/exit points

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6
Q

The access doors are located from the transit side. Where are the lockboxes?

A

Mounted next to the door

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7
Q

Each tunnel has mechanical ventilation. There are ______ ventilation rooms, ______ for each tunnel that control airflow.

A

4 ventilation rooms

2 for each tunnel

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8
Q

What does each ventilation room control?

A

Lighting

Ventilation

Fire detection

CO monitoring

Emergency telephone communications

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9
Q

How can the ventilation room be accessed?

A

On the surface via the structures on the deck

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10
Q

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.

A

35 feet

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11
Q

The ADOT control room serves as the entry point for the main electrical switchgear. It is located where?

A

Below Central Ave. overpass on the south side

Access is from the deck park ground level

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12
Q

What serves as a control and communications center for the tunnel?

A

ADOT control room

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13
Q

There are ____ doors per tunnel, which allow movement between the vehicular tunnel, and the bus transit tunnel.

A

2 doors per tunnel

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14
Q

Location of the hydrants are indicated by what?

A

Blue and white hydrant sign

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15
Q

Is the tunnel standpipe system wet or dry?

A

Wet

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16
Q

There are total of _____ fan rooms, _____ for each vehicular tunnel.

A

4 fan rooms

2 for each tunnel

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17
Q

Each fan room has ____ fans, so each vehicular tunnel has a total of _____ fans providing ventilation.

A

2 fans

4 fans total

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18
Q

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.

A

15 minutes

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19
Q

Where is each fan accessed?

A

The deck level

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20
Q

What frequencies will operate in the tunnel?

A

Fire channels 1, 2, 3 ( VHF)

Med channels 3, and 9 (UHF)

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21
Q

What should members remember when utilizing the radio?

A

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

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22
Q

Will MCT’s operate in the tunnel?

A

No

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23
Q

Where are the emergency telephone cabinets located?

A

Everyone 150 feet on both sides

24
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
25
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
26
If traffic congestion severe, creating significant delays in reaching the incident site, the second due company should _______.
Enter the transit tunnel
27
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.
28
Other companies responding should level 2 stage where?
On Culver, just west of central
29
What are the four probable major incidents scenarios for an emergency in the tunnel?
Major medical Major fire Hazmat spill/release Below ground fire
30
When there is a fire in the tunnel the first attack line should? Second lines?
Protect victims and rescuers Address fire control and extinguishments
31
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
32
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)
33
A fire in one of the below ground structures should be considered a _______.
Confined space operation
34
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
35
The tunnel extends from _____ave. to ______ st.
3rd Ave. to 3rd st.
36
What is there between the two vehicular tunnels to service bus traffic?
A single bus transit tunnel
37
Normal airflow is drawn in from what direction?
New the middle and flows to exit at either end
38
Airflow volume is determined by what?
Carbon monoxide readings
39
What kind of ventilation does the bus transit tunnel have?
None
40
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
41
Each vent room has a smoke detection system in it that transmits an alarm to whom?
ADOT Control Room
42
How many points of egress does the vent rooms have?
One way in, one way out
43
ADOT control room is manned during what times?
24 hours a day
44
ADOT control room has video monitoring capability for all points in the two vehicular tunnels but not where?
Bus transit tunnel
45
The control room is equipped with what type of safety equipment?
Control detection system Halon suppression system
46
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
47
Lockboxes will be installed in what locations?
Location access Fan room access buildings at deck into fan room Fire detection system
48
The two vehicular tunnels are equipped with what type of heat detectors at the ceiling?
Linear rate of rise heat detectors
49
Once an alarm is transmitted to the ADOT control room, the fans in that quadrant automatically go to what?
Go to full exhaust
50
It takes approximately how many minutes for the fans to cycle from full supply to full exhaust?
5 minutes
51
When the fans are in full exhaust they are discharging how many cubic feet per minute?
400,000
52
Fire hydrant cabinets have what type of fittings?
2 1/2" fitting 4" fitting
53
The fire hydrants are fed by what size water mains?
6"
54
What type of water supply is located inside the bus transit tunnel?
None
55
What must be done to connect to the hydrant boxes in the wall?
Remove the humat, directly connect the hose
56
There are two pump houses, where are they?
One at 3rd ave One at 3rd st
57
Each pump house has what size pump?
100,000 gallon sump and each pump house
58
The pump houses are monitored by whom?
ADOT District Office at 22nd ave. and Durango

Vol II (100 decks)

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