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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
Q

What indicates the telephone cabinet locations?

A

By large reddish-brown vertical stripes on the walls

Number 1 to 9 in the direction of traffic flow

25
Q

What is located in the telephone cabinets?

A

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
Q

If traffic congestion severe, creating significant delays in reaching the incident site, the second due company should _______.

A

Enter the transit tunnel

27
Q

When responding to the transit tunnel, companies should enter the freeway with the flow of traffic from the opposite direction. Enter the freeway at _______.

A

16th st. or 19th Ave.

28
Q

Other companies responding should level 2 stage where?

A

On Culver, just west of central

29
Q

What are the four probable major incidents scenarios for an emergency in the tunnel?

A

Major medical

Major fire

Hazmat spill/release

Below ground fire

30
Q

When there is a fire in the tunnel the first attack line should? Second lines?

A

Protect victims and rescuers

Address fire control and extinguishments

31
Q

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.

A

2 or 3 engines

32
Q

How many below ground facilities are there related to tunnel operations?

A

5

4 ventilation fan room operations

1 power and equipment room (ADOT control room location)

33
Q

A fire in one of the below ground structures should be considered a _______.

A

Confined space operation

34
Q

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?

A

Seal the facility

Secure all power

Let the fire burn itself out

35
Q

The tunnel extends from _____ave. to ______ st.

A

3rd Ave. to 3rd st.

36
Q

What is there between the two vehicular tunnels to service bus traffic?

A

A single bus transit tunnel

37
Q

Normal airflow is drawn in from what direction?

A

New the middle and flows to exit at either end

38
Q

Airflow volume is determined by what?

A

Carbon monoxide readings

39
Q

What kind of ventilation does the bus transit tunnel have?

A

None

40
Q

There is uninterrupted power supply that provides what amounts of power between the loss of APS power and the start up generator?

A

Bare bones bridging power

41
Q

Each vent room has a smoke detection system in it that transmits an alarm to whom?

A

ADOT Control Room

42
Q

How many points of egress does the vent rooms have?

A

One way in, one way out

43
Q

ADOT control room is manned during what times?

A

24 hours a day

44
Q

ADOT control room has video monitoring capability for all points in the two vehicular tunnels but not where?

A

Bus transit tunnel

45
Q

The control room is equipped with what type of safety equipment?

A

Control detection system

Halon suppression system

46
Q

It is not possible for the operator to shut down the high-voltage switchgear from this location. It must be shut down from where?

A

By APS from a remote location

47
Q

Lockboxes will be installed in what locations?

A

Location access

Fan room access buildings at deck into fan room

Fire detection system

48
Q

The two vehicular tunnels are equipped with what type of heat detectors at the ceiling?

A

Linear rate of rise heat detectors

49
Q

Once an alarm is transmitted to the ADOT control room, the fans in that quadrant automatically go to what?

A

Go to full exhaust

50
Q

It takes approximately how many minutes for the fans to cycle from full supply to full exhaust?

A

5 minutes

51
Q

When the fans are in full exhaust they are discharging how many cubic feet per minute?

A

400,000

52
Q

Fire hydrant cabinets have what type of fittings?

A

2 1/2” fitting

4” fitting

53
Q

The fire hydrants are fed by what size water mains?

A

6”

54
Q

What type of water supply is located inside the bus transit tunnel?

A

None

55
Q

What must be done to connect to the hydrant boxes in the wall?

A

Remove the humat, directly connect the hose

56
Q

There are two pump houses, where are they?

A

One at 3rd ave

One at 3rd st

57
Q

Each pump house has what size pump?

A

100,000 gallon sump and each pump house

58
Q

The pump houses are monitored by whom?

A

ADOT District Office at 22nd ave. and Durango

Vol II (100 decks)

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