m.d. fires Flashcards
A NLT built 1901-1916 have what characteristics?
6 or 7 stories high 35’-50’ frontage. 85’ in depth
5-6 apts. per floor.The 1st floor (cellar ceiling) is of fireproof construction(unpeirced)
2.2.1,
A NLT built from 1916-1929 include what features?
a larger floor area 150’ x 200’
floor area 2500sq. ft. or less
dividing walls only go as high as the ceiling of top floor.2.2.2
Other class”A” NFP MD’s built after 1929 can be described as?
between 1930-1940 firewalls were required to be carried to underside of roof boards & after 1940 to the top of the roof boards.
size of area to be enclosed by fire walls 3,000 sq. ft. or less.2.2.3
Fireproof class “A” MD’s including projects have what characteristics?
4-40 stories or higher
life hazard not severe outside of fire apt. 2.3
Lt. Wilcken E-308 arrives 1st due for a fire on the 4th floor of a NFP. How shall he instruct his ECC to position the rig?
Place the apparatus as close to parked cars as possible & use the side inlet.
3.2.1
Lt. Surbito & the members of L-103 are the 1st ones to a fire in a NFP md. Who shall be responsible for ensuring the entrance to the building is cocked open?
The 1st member entering the bldg. should use a chock. 3.2.2
Who is responsible for determining the location of the fire if it is extending & to where it is extending? A. Engine boss B. Truck boss C. 2nd truck boss D. The roof man
B. the 1st ladder co. to arrive
3.3.6
Lt. POSA arrives 1st due to a OLT or NLT,he cant figure out what type it is at 1st. But is greeted by fire showing on 2 floors. What shall Lt. POSA transmit? A. 10-77 B. 10-75 C. 2nd alarm D. 10-75 get an extra engine & truck
D.
3.4.4
If fire is in a shaft & extending to an exposure TX a 2nd alarm. If extending to 2 exposures TX 3rd alarm.
Lt. ALW is 10-84 at a cellar fire in an OLT. Where shall he instruct his men to stretch a line & what is the purpose of its position?
Cellar entrance door located inside the bldg., under the interior stairway on the 1st floor. This is to protect people coming down the stairs. the line should also remain here to also extinguish any fire that may extend upwards. 4.2.1
As a knowledgable co. officer you know that the spread of fire to exposures 2 & 4 is great. You are also aware that if there is an addtl. bldg. in the rear you know that it is 10-25’ or more away & usually is not an exposure problem. Further you know that many OLTS have been convertd to SRO’s & have sprinkler systems. But do you know if thy can be supplied by FD pumpers?
No. You cannot supply the sprinklers.
4.3.3 & 4.3.4
Party wall balcony's are sometimes found in OLT'S. Who must inform who of their presence? A. OVM tells his boss B. OVM tells the IC & his boss C. Roof tells the IC & is boss D. Roof tells his boss
C.
4.3.7 D
NLT’s were constructed in the “H”type design beginning @ 1916. Construction of “H” types have remained the same for over 60 years which includes the use of unprotected structural steel. What are the 3 structural elements that support the structure?
Masonry bearing walls
wood beams that support floors & roof
structural steel columns,beams & girders that connect & support sections of the “H” type bldg.
5.1 B
What are the 3 concerns about structural steel in “H” types?
When heated it expands & elongates causing walls to bulge move or collapse if the steel is w/in a wall.
when heated to higher temps floor beams supported by such heated steel will fall to floor below.
steel columns or girders may extend from 1st floor up to cockloft creating a path for fire to travel 5.1.1 C
It is essential that once the stair layout is recognized,this info be relayed by H.T.This is vital in the size-up picture. What are the 3 types of stairs?
Transverse- located remote from each other but a person can go (transverse) from 1 stair to the other via public hall. They are a huge asset on the top floor for heavy fire.
Wing stairs- 1 or 2 located at front & rear of each wing.
Isolated stairs- id’d by their individual entrances.Access is lmtd. to apts. served by the stairs. 5.1.1 E
L-103 arrives 1st due ahead of TL-159 for a fire. L-103 notices that the fire is blowing out the windows in the throat of the bldg. which has a courtyard. Where shall Lt. Surbito tell his LCC to position?
Not to block off the front entrance courtyard in order to leave room for the T.L. The TL will then if required use the ladder stream to be directed 1st at the windows in the throat.
5.2.2 B
Newly minted Lt. wilcken arrives 1st due w/ E-308 to an "H" type bldg. where 2 floors are on fire. He properly tx's what to Queens? A. 10-24 B. 10-75 extra engine & truck C. 2nd alarm D. All hands on arrival
C. 2nd Alarm
5.2.3 B
Lt. surbito w/ E-290 are 3rd due to a fire in a store of an “H” type bldg. They are in charge of stretching the 2nd line. The fire is in the rear of the store & is contained to a small storage room. Would Lt. surbito be correct for bringing his line to the floor above?
Yes. When it is OBVIOUS that the fire can be controlled by the 1st line.
5.3.1 B 2
What does a fire escape in the throat indicate?
it often spans the firewall & indicates 2 separate apts. in the throat.
5.4.4
Lt. Wilcken is finally working in a real company. TL 159 & he is 1st due to a fire n a HRFPMD. He knows that all members must access the fire floor from the same stairs, as well as all extinguishment efforts shall be done from one attack stair. He sees that there are windows in the stairway & he orders them to be vented. Do you Agree/Disagree?
DISAGREE.
These windows shall not be vented w/out prior approval of the IC.
6.1.2 C
It is not usually necessary to force apt. doors on thee fire floor other than the fire apt. What are some of the reasons why you would force adjoining apt.?
When the main body of fire has been controlled they can be forced b/c of severe smoke conditions or high CO readings in the public hall.
6.1.4 A
If it is decided to force an apt. door for an area of refuge which apt. shall be forced?
A. The 1 across the hall
B. Across the hall 3 doors down.
C. One that is entirely on the same side as fire apt.
C. ENTIRELY.
6.1.4 A
E-309 L-159 are 10-84 at Flatbush & Ave I. The bosses look up & see fire coming from the 17th floor. What is the proper radio code? A. 10-77 B. 10-76 C. 2nd alarm D. All hands
A. 10-77 shall be transmitted where fire is visible from the exterior on arrival.
6.1.6 B
A 10-75 can be used when internal conditions cannot be determined but should be upgraded to 10-77 when conditions exist for the 10-77
After communicating w/ the truck boss Lt.Surbito (E-309) relays the designated attack stair to whom?
A. 3rd engine & IC
B. 3rd engine & fire sector supervisor
C. 2nd engine & fire floor sector supervisor
D. 2nd engine & IC
D. 2nd engine & IC.
6.2.1 B
Upon arriving at the fire floor in a FPMD if a smoke &/or heat condition exist in the public hall what shall you do as the truck boss?
notify IC of the condition & get a report on exterior conditions from outside members & the roof FF.
6.3.1
If in the previous question if your unable to determine if its a wind impacted fire how shall you proceed?
The truck boss & 1 member of the FE team shall enter the public hallway to locate the apt. door & to control it.The remaining member will stay in the stairwell to ensure this door remains closed. 6.3.1
When should you chock open the fire apt. door?
A. Immediately after forcing it
B. When a charged line is advancing down the hall
C. When a charged line is moving into the fire apt.
D. When the truck boss says so
C.
prior to the line making its way, the truck can initiate searches if wind is not a factor. 1 member must remain either inside or outside the apt. door & keep it closed but not locked.
pg. 53