High Rise Office

Question 0

Curtain wall bearing or non bearing?

Answer 0

Non bearing

Question 1

Churning?

Answer 1

Centrifugal pump is running & no water being discharged

Question 2

Preferred evacuation stairs?

Answer 2

Fire tower; its an enclosed stairway

Question 3

Between ‘38 & ‘68 fire tower is required?

Answer 3

True

Question 4

Heavy wgt - medium - lightweight ?

Answer 4

20-23lbs per cubic foot, 10-20, 8-10

Question 5

Fire dampers are found?

Answer 5

Air enters return air shaft from the plenum on each floor & whenever the air flows through fire rated partition

Question 6

HVAC non-circulating mode?

Answer 6

• Open outside supply
• Close mixing
• Open exhaust

Question 7

Auto closure of fire dampers?

Answer 7

Fusible link approx 50F above max temp that would normally be encountered.

Question 8

Fire pumps ‘38 code; ‘68 code?

Answer 8

Bld over 250(‘38); 300(68)

Question 9

Bypass valve is on the __ side of the fire pump?

Answer 9

Discharge side. It should be in closed position – stem IN. If open turn clockwise to close. You will lose 25% for 8” riser & 45% for 6” with bypass OPEN

Question 10

Fire pump found?

Answer 10

Cellar to subcellar

Question 11

Most high rise bld have two pumps side by side which are connected in __ position?

Answer 11

Parallel

Question 12

Bld fire pumps shall be capable of delivering their rated capacity at a pressure of __ psi at the highest floor outlet?

Answer 12

50psi at highest floor outlet. Relief valve 15 psi above that

Question 13

Strategic operating plan:

Answer 13

1. Determine fire floor
2. Verify fire floor
3. Simultaneously or soon as possible begin process of ctl evacuation
4. Gain ctl of bld systems hvac, elevators
5. Confine/extinguish fire

Question 14

1st officer establishes ICP, if he leaves before 1st Chief- who does he leave?

Answer 14

Preferably 1st lcc

Question 15

Who ensures proper staffing of all elevators?

Answer 15

LCU

Question 16

When should fixed stairwell pressurization systems be augmented?

Answer 16

Should NOT be augmented

Question 17

Natural vertical ventilation ?

Answer 17

W/o the use of fans. open doors at top & bottom of the stairway once fire is EXTINGUISHED

Question 18

SAE post:

Answer 18

Floor not serviced by the same bank of elevators as the fire floor & at least 5 floors above fire floor.

Question 19

FSA?

Answer 19

2 floors below the original fire floor

Question 20

3rd ladder HRO:

Answer 20

Take stairs other then attk to floor above.

• determine which stairway to be used by occupants for Evacuation & advise icp
• examine ALL stairs for occupants/smoke
• remove all occupants from attk stair for reasonable distance above fire fl
• *If difficulty encountered clearing ATTK stair notify 1st ladder or Fire sector(if established)

Question 21

3rd ladder - when operations are complete on floor above fire, the officer reports to fire sector either ?

Answer 21

Physically or HT

Question 22

4th ladder:

Answer 22

• each member extra cylinder
• go to roof. If elevator serves fire fl take it below & walk - use stair other then ATTACK.
• no roof vent till IC
• *primary search top 5 floors
• *logical assignment after roof operations is UPPER floors of elevator bank that serves fire floor

Question 23

4th ladder: operate under IC until __ is established?

Answer 23

SAE

Question 24

Greater alarm or special called ladder co after 4th arriving shall rpt to ICP in lobby or if staffed?

Answer 24

LCU. Upon establishment of Staging area outside the bld units will rpt there

Question 25

Staging area mgr will relay info on units available in staging to IC of if when staffed?

Answer 25

Operations chief or LCU

Question 26

1st engine will obtain as much info as possible from FSD or surrogate in regard to ?

Answer 26

• Access stairs serving fire floor
• fire (location)
• evacuation implemented
• elevator status

Question 27

1st engine remain at ICP until ?

Answer 27

Fire floor is verified

Question 28

When does 2nd engine leave fire area?

Answer 28

Hoseline stretched & operating not to deplete air

Question 29

3rd/4th engines?

Answer 29

Operate 2nd line on FIRE FLOOR.

• reinforce position of 1st line
• protect position of 1st line
• protect search/evac of fire floor
• contain & confine fire spread prevent it from wrapping around core

Question 30

Greater alarm engines rpt to. ?

Answer 30

ICP. If staffed LCU. Upon establishment of staging area units will report to staging area OUTSIDE the bld.