LadderCompOps PortableLadd Vol3 Book1 Flashcards
Extension ladder.
35 foot what is the nested length? 1.1.
20 feet
Extension ladder
24 foot what is its length when nested?
1.1
14
12 foot telescoping ladder. Its nested length is?
1.1
32 inches
Advantages of aluminum ladders.
Which is incorrect?
1-Lighter in weight and stronger than wood.
2-Will not weaken with age
3-Will dent but will not chip or crack when subject to impact, nor will they fail suddenly because of overloads. They will bend, but not break, as wood does.
4-The protective finish is required on aluminum ladders, they do not dry out and weather with age or sunlight exposure. A slow oxidizing of the surface occurs, but it can be polished off.
3
3- SEVERE IMPACT
T/F
Disadvantages of aluminum ladders.
1-readily conduct electricity.
2- conduct heat very rapidly
3-excessive heat exposure at a fire, even for a brief period, it may have lost its heat treatment. This may affect its load carrying capacity, even though the metal shows no signs of any change. Brief period a discoloration may indicate loss of structural strength. If either of the above cases, fire tools, and equipment, unit shall be notified.
4
True
If ladders cannot be held securely on the rig. Who do you call?
5
Fire tools and equipment unit. Immediate notification by telephone.
PS provisions shall be made to secure ladders as safely as possible pending repair. Shall be checked after EACH response.
T/F
If LCC feels a particular ladder cannot be temporarily secured in a safe matter, and there is danger of loss of the ladder during the response. The ladder should be left off the apparatus.
5
False
The Officer
Marking portable ladders. The numerical length of the ladder shall be marked where?
6.1
On the SIDE of the rails WITHIN
12 inches of the end of the ladder
Mark portable ladders.
Straight ladders length shall be marked where?
6.1
On each end of each rail.
PS extension ladders shall be marked at butt end only of each trail of the BED ladder.
Marking portable ladders.
The unit designation shall be marked within? 6.2.
Within 18 inches of each butt.
If another apparatus arriving at a fire or emergency is positioned closer than — ft to the rear of the ladder apparatus the 20 foot straight or the 35 foot extension cannot be removed. 7.1.
Closer than 20 feet
Climbing angle for a ground ladder is approximately? 7.3.
65 to 75°
Ladder placement.
Placed at a window ?
Placed at roof ?
Placed alongside fire escape on a building wall ?
Placed against the fire escape ?
7.4
Window, tip level with
windowsill.
Roof, tip at least 2 feet above the roof or parapet.
Place alongside a fire escape on a building wall, tip 1 to 3 feet above fire escape railing.
Placed against a fire escape tip slightly above fire escape railing.
If the aluminum portable ladder is to be left unattended, it should be secured at the tip by —— that climbs a ladder. 7.5.3.
First member
During freezing weather when ice forms on the ladder due to water spray, to ensure safe ascending and descending:
Position that rung on the ladder ——, next to the heel.
Position the feet of the rungs ——- with each step, to avoid slipping.
8.1
Under the arch of the boot
Directly next to the beams
The leg lock:
The leg performing the Locking maneuver is ——- the working side. 8.2.1.
Opposite
The leg lock:
The locking leg is placed over and under the rug that is — rungs above the one of which the member is standing.
8.2.1
2 rungs
Portable ladders.
Extension ladders fly in or fly out? 8.3.1.
Fly out
Who checks that the ladder lock assemblies are completely engaged on the rung.
8.3.1.
First member ascending
Portable ladder capacities
Special ladders: A Frame and Telescope?
Roof, straight and extension ladders 26 foot or less?
Extension ladder is 27 feet to 35 foot? 8.4.2.
Special ladders up to 300 pounds.
Roof, straight and extension 26 foot or less up to 500 pound
Extension ladders 27 to 35 up to 600 pound
3-5-6
Telescoping ladders are particularly useful in many —— emergencies. 8.5.
Non-fire emergencies
32 inch to 12 feet.
Due to the nature of construction of telescoping ladders, they must NOT be used in three situations? 8.5.1.
Use for laddering a fire building due to lack of heat resistance.
Used horizontally as a bridge or plank.
Secured at the top and hung vertically like a straight hook ladder. The mechanism is inside the beams will not support weight when deployed in this manner.
Use a portable ladder to bridge a fence. One member ascends the ladder to the point where the top of the fence is at about —— level. 9.2.1
Waist level
Portable ladders. Used as a barrier. Placed on 1 beam, elevated to —— level on supports and properly secured, can act as a barrier to civilian PEDESTRIAN traffic near a hazardous condition or fire operation. 9.2.2.
Waist
Which ladder may be placed over holes in floors?
9.2.2
Short ladders
Portable ladders at fires. Tenements WITHOUT Front fire escape.
When the fire is in the cellar, first floor and or second floor, raise the portable ladders. ——— and ——, even if the Aerial ladder will be required on upper floors
10.1
Adjacent to and above the fire area
Portable ladders at Fire’s.
Tenants WITH Front fire escapes. A portable ladder should be raised to the first balcony at a point ———. If more relief for the fire escape is required. Another portable ladder should be raised to the 2nd balcony. 10.1.
Opposite the drop ladder.
MD’s with rear fire escapes. Overcrowding on the fire escape in the rear may be relieved by members assist occupants too?
10.1 page 17.
the roof via the gooseneck ladder
MD’s with rear fire escapes.
Because of his portability —— ladder may be used to gain access to various balcony levels by the roof or OV. This ladder may be brought to the rear yard as mentioned above or brought to the roof via Aerial, TL or utility rope and lowed to the top balcony
10.1 page 17
12 foot hook ladder
Brownstone are usually either—- or —- stories. The basement level is counted as a story with a celler below the basement level.
10.2
3 to 4 stories
Brownstone. Placing a portable ladder at the window of the small room over the front entrance door will be difficult because of the long, high stoop, which may interfere with firefighting operations. Consider placing the ladder at? 10.2.
At the adjoining window to gain entrance to the small room.
T/F Brownstones. In most cases, taking the ladder through the second floor.( parlor floor) of an adjoining brownstone and passing out the rear window to another member in the yard below is faster than using the Fire building. 10.2 page 20.
True
In a brownstone is important to take the ladder through with the ——facing the rear of the building.
10.2 page 20.
Butt facing the rear
T/F All floors in the rear of a
brownstone can be reached with portable extension ladders. It is recommended that extension ladders be used in lieu of straight ladders because they were easier to transport due to shorter nested length. 10.2 Page 20.
True
Brownstones.
Portable ladders sizes?
4th floor?
3rd floor?
2nd floor?
10.2 Page 20
4th floor 35 foot extension ladder
3rd floor 24 foot or 35 foot extension ladder.
2nd floor 24 foot extension ladder or 14 foot A-frame ladder.
35
35/24
24/ 14 A
Ventilating Lexan Window with portables.
At times the Lexan panel protected by wire screen on exterior
Maybe forced if at ground level
Remove exterior screen
Place BUTT end of ladder ———-.
How many people?
10.3.1 page 21
In the corner adjacent to window frame.
3 to 4 members apply gradual leaning pressure.
Ventilation of windows on upper floors. The ladder is placed. —— from the window to be ventilated.
10.3.2
Upwind
Ventilation of windows on upper floors. The tip of the ladder , should be level with or ——- then the top of the window.
10.3.2
Higher
When the member prepares to vent a window from a ladder, what is the preferable tool? 10.3.2 page 21.
6 foot hook
Extend their arms UPWARD and slant the tool DOWNWARD and strike glass. This will prevent the glass from sliding down the tool handle and cause an injury.
Arm up/Tool down
T/F
When using the portable to take glass. The ladder strikes the glass, the member should hold onto the ladder to keep CONTROL.
10.3.2 page 22.
False
No contact between the member and the ladder.
When necessary to utilize portable ladder to bridge fire damage stairs, a —- ladder SHOULD be used
10.3.4
24 foot extension ladder
PS extension ladders MUST be used only in the nested position when Bridging
T/F
Do not move or reposition a ladder used after a member has gained access to a fire building. 10.3.11.
False
Can be used for rescue. Members operating in the area ladder was used to access should be notified regarding its repositioning. The ladder should be returned to his original location or replaced with another ladder as soon as possible.
Elevator emergencies. Which two ladders are particularly well suited for this application? 11.4.
10 foot folding
12 foot telescoping ladder
T/F
Extension ladders and telescope ladders should never be used upside down 12.1
True
Because the round ends would be down
T/F
Telescoping ladders have no heat resistance and must not be used for laddering in firefighting Operations or any other situation where the ladder could be exposed to heat. 12.1.
True
When climbing portable ladders do not climb higher than?
12.1
3rd rung from the top
While operating on a ladder in any setting the helmet must be worn and chin strap secured. 12.1 page 24.
True
Always lower the fly ladder below the desired level and reraise to the proper height to ensure —— degree climbing angle and proper locking action.
12.2
65-75 degree
T/F
When placing a metal portable ladder against the building with any siding, the member should release the ladder obefore contact is made with the building. 12.2.
False
Aluminum siding exterior
T/F
When operations are to be conducted at electrical generating stations or substations under no circumstances shall metal ladders or tools be brought inside the gates. Never place a ladder of any type wood or metal against what appears to be a metal super structure. It may turn out to be some form of electrical conductor. 12.2 page 26.
True
No wood ladder also
Portable aluminum ladders inspection should be done how often? 13.2.
VISUAL inspection WEEKLY and also have to use.
PS company commander THOROUGH inspection of portable ladders MONTHLY
-Visual weekly and after use
-Through Monthly
Extension ladder, slides, and channels, which material cannot be used?
Candle wax
Paraffin
Greece
13.3
All those materials can be used
——— is normally used only for internally guided aluminum trust ladders.
13.3
Grease
PS recoated each year or when the grease has dried out and is no longer an effective aid to sliding
On all ladders , plain candle wax or paraffin shall be applied?
13.3
Every 3 months to all contact and surfaces of multiple section ladders.
PS grease yearly or dried out
Pulley on portable ladders have a ball bearing center that requires — to — drops of oil once a year.
13.3
1 to 2 drops once a year
Telescoping ladders.
If the ladder becomes very wet during use, it should be wiped down and allowed to dry before being stored. Use candle wax. Or paraffin or grease to lubricate a telescope ladder. 13.5. NEW
False
do not use candle wax paraffin or grease
Use a silicone based furniture polish such as PLEDGE on the beams of the ladder.
Never use WD-40 or similar oil based lubricant as this may clog the mechanisms inside the ladder.
What do you use to lubricate a telescoping ladder?
Silicone base furniture, polish, such
As PLEDGE
