Chapter 3 stuff

Question 1

What is the priority order for the use of PPV:

Answer 1

Pressurizing he attack stairwell Pressurizing the evacuation stairwell Venting the Public hallways for smoke and CO

Question 2

Timber is wood construction larger than

Answer 2

2x4 but not large enough to be considered heavy time or mill construction. Dunn Brkdwn pg 41

Question 3

Mill lofts construction feature, wooden columns are how large?

Answer 3

6 – 10 inches in diameter and topped with iron caps. Lofts 5.3.2

Question 4

Square columns in lofts are used where?

Answer 4

On lower floors and are 20% stronger than round ones of equal dimension. Lofts 5.3.2

Question 5

Some Mill “hybrid” buildings have what type of columns?

Answer 5

Protected cast-iron columns

Question 6

Timber Truss Roof can be built in what shapes?

Answer 6

Inclined Plan truss (Gable shape) Parallel Chord Truss (Flat) Bowstring Truss – most common

Question 7

When is the command channel implemented?

Answer 7

10-60 10-66 10-76 3rd alarm or greater 10-77 and more than one sector is established. {On a regular 77, only one sector is established, the Fire Sector.} Complex Operations as per the IC Comm Man 11 7.3.2

Question 8

When are Command Channel training drills held?

Answer 8

May and November. At 2nd alarms, all large scale drills and discussed at Division Conferences.

Question 9

Tactical Supervisors that operate on the Tactical Channel are: Comm. Man 11 7.3.5.B

Answer 9

Sector Supervisors and or Branch Director (DC) Fire Floor, Floor Above, Roof Sector, Exposure Sectors, Group Supervisors, Search and Rescue Group Supervisor, Collapse Group Supervisor Safety Officer, Resource Unit Leader

Question 10

Which Chiefs operate on the Command Channel?

Answer 10

Officers assigned to Planning Chief, Staging Area Manager, Air Recon

Question 11

No member shall operate on other than the primary Tactical Channel with authorization of?

Answer 11

The IC or the Resource Unit Leader.

Question 12

When does the Hi Rise Unit respond?

Answer 12

Any second alarm in conjunction with a 10-77. 10-76 and greater Any underground subway incident that is a 7-5 or greater. Special called

Question 13

Who authorizes Agency data code 9111?

Answer 13

The Chief of Operations, Used for preparedness work, or emergency response. 4Q Update, AUC 159, Add 5, 1.11

Question 14

When the Fire Saftey Director is not present, and there is less than 100 above/below and less than 500 people in entire bldg, who is that person?

Answer 14

Building Evacuation Supervisor (Glossary)

Question 15

Regarding plenums, core construction and fire towers for pre 1945 Hi-Rise:

Answer 15

Plenums generally not found Core construction NOT used 38 – 68 All bldgs required to have fire tower. Some prior to 38 have fire tower

Question 16

Regarding fire towers and Hi-Rise 45 – 68

Answer 16

Fire towers were required in all of these bldgs.

Question 17

Regarding fire towers and core construction for Hi-Rise after 1968:

Answer 17

NO fire towers and core construction used extensively.

Question 18

Fusible links have a temperature rating of ___ above the maximum temperature that would normally be found with the system

Answer 18

50 F

Question 19

Activation of any detector installed in an HVAC system shall stop the air supply?

Answer 19

Into and the return from the affected floor only. Manual pull station sounds alarm on fire floor and floor above

Question 20

Third Stage pumping what gpm at what psi

Answer 20

3rd stage 500 gpm @ 700 psi 357

Question 21

Where is the CFRD engine and FAST unit assigned to on a 10-76?

Answer 21

They are both assigned to the Fire Sector Supervisor

Question 22

Where does the CFRD engine and FAST unit report into on a 10-77?

Answer 22

They will report into the Incident Commander. The FAST Unit and CFR Engine shall be **ASSIGNED **to the Fire Sector when the fire is above the sixth floor. They can be staged on the floor below the fire floor, ready for rapid deployment. At lower floor fires (sixth floor or below) the position of the FAST Unit and the CFR Engine will be determined by the IC.

Question 23

What channel does the Forward Staging Area Manager operate on?

Answer 23

The command channel, aide monitors the primary tac.

Question 24

Who does the Fwd Staging area provide support to?

Answer 24

The Fire Sector/Branch and the SAE Group

Question 25

Regarding the 10-77 signal the terms “due” and “arrives” are used. Which Chief is referred to as being “due” rather than “arrives”?

Answer 25

The 4th due Chief is the safety Chief. An ABC cannot be a Safety Chief. All other Chiefs are assigned as they arrive. The 5th due Chief on a 10-76 is the Safety Coordinator.

Question 26

The Lobby Control Unit will operate on what channel?

Answer 26

The Tactical Channel.

Question 27

Who will notify the FAST Truck when additional communication channels are use?

Answer 27

The IC must notify the FAST Truck. Not the Dispatcher.

Question 28

What other special unit shall the IC special call, when the ARCS is activiated?

Answer 28

The Field Comm Satellite Unit.

Question 29

If the height of the fire floor requires pressure in excess of 250 psi, who must ensure safety zones
are marked off and controlled?

Answer 29

The High Pressure Pumping Group Supervisor.

Question 30

The Lobby Control Unit will operate on what channel?

Answer 30

The Tactical Channel.

Question 31

The operation, shut down or change of any building system shall not be done without the permission of?

Answer 31

The IC or Operation Section Chief. The operation of bldg systems must be done with the assistance of bldg personnel.

Question 32

When is a post fire analysis conducted?

Answer 32

A member is killed
An explosion, back draft or BLEVE occurs
A structural failure occurs where a FF was injured
A large loss caused by fire

Question 33

What is a dwarf partition wall? Dunn ch. 21

Answer 33

These walls extend only to the underside of the ceiling and do not stop or limit fire spread above the ceiling.

Question 34

According to Dunn what is the most important strategy and tactical consideration at a fire?

Answer 34

Water supply and pressure

Question 35

According to Brannigan, what are two examples of Cold Drawn Steel and what temp does it fail?

Answer 35

Cables used to brace failing buildings or tendons used in tensioned concrete. 800 F.

Question 36

According to Brannigan, what happens as the length of a beam increases?

Answer 36

The beams load carrying capacity decreases proportionately. A 12’ beam can carry ½ the load of a 6’ beam.

Question 37

According to Brannigan, regarding width, when another 2x4 is laid alongside a similar 2x4 what happens to the carrying capacity?

Answer 37

It is increased by a factor of 2

Question 38

According to Branningan, regarding depth, what is the difference between a 2x8 beam and a 2x4 beam?

Answer 38

A 2x8 beam is twice as deep as a 2x4 beam. The 2x8 has a carrying capacity increased by the square of two or 4 times the carrying capacity of the 2x4.