LADDERS 1 - PORTABLES Flashcards
Lt. Scott is working a 9x6 tour when the LCC tells her that a 24’ extension ladder cannot be held securely on the spare apparatus. Which choice below would be incorrect?
A) The Fire Tools andEquipment Unit shall be immediately notified by telephone.
B) A requisition shall be forwarded and an entry made in the Company journal.
C) Temporary fastenings shall be used to secure the ladder as safely as possible pending repair or relocation by the Fire Tools and Equipment Unit. These temporary fastenings shall be checked after each response.
D) If Lt. Scott feels that the 24’ extension ladder cannot be temporarily secured to the spare apparatus in a safe manner, and there is a danger of the loss of the ladder during response, the ladder shall be moved to a different location on the apparatus.
ANSWER: D) If Lt. Scott feels that the 24’ extension ladder cannot be temporarily secured to the spare apparatus in a safe manner, and there is a danger of the loss of the ladder during response, the ladder shall be moved to a different location on the apparatus. (INCORRECT)
- In this situation the ladder shall BE LEFT OFF THE APPARATUS and ENTRY MADE IN THE COMPANY JOURNAL.
(Ladders 1 section 5)
Which placement of a portable ladder tip is incorrect?
A) Placed at a window - tip level with the sill
B) Placed At a Roof - tip at least 2 feet above the roof or parapet
C) Placed alongside fire escape on a building wall - tip 1 to 3 inches above fire escape railing.
D) Placed against a fire escape - tip slightly above fire escape railing
ANSWER: C) Placed alongside fire escape on a building wall - tip 1 to 3 inches above fire escape railing. (INCORRECT)
- Alongside a fire escape - 1 to 3 FEET above railing (not inches)
(Ladders 1 section 7.4)
Arriving at a fire in a one story taxpayer in the Bronx at 0300 hours, the Roof FF of L-19 has several thoughts on portable ladders. Which thought is incorrect?
A) If the 2nd arriving Ladder Company pulls up closer than 20’ to his apparatus, the Roof FF will be unable to remove the 20’ straight ladder or 35’ extension ladder from the slide in rack.
B) The best climbing angle for a portable ladder is 65-75 degrees.
C) An angle steeper than 75 degrees increases the chances of falling off. An angle less than 65 degrees requires a reduction in maximum loading.
D) To obtain a 75 degree angle, place the base of the ladder at a distance from the vertical plane equal to 1/4 of the total working length of the ladder.
E) The working length of the ladder is the distance from the base of the ladder to the top of the ladder.
ANSWER: E) The working length of the ladder is the distance from the base of the ladder to the top of the ladder. (INCORRECT)
- Working length is the distance from the base of the ladder to the TOP OF ITS SUPPORT.
(Ladders 1 section 7.3)
A member working on a portable ladder to overhaul an eave in a Queen Anne contemplates using a leg lock or their personal harness. Which tactic would be incorrect?
A) In a leg lock maneuver, if the member wants to lean to the right to overhaul the eave, he will lock his left leg onto the ladder.
B) To perform the leg lock, the locking leg is placed over and under the rung that is one rung above the one on which the member is standing.
C) If the member on the ladder leans to the right, the butt FF should move their foot from the center of the bottom rung of the ladder and place their foot next to the left beam.
D) If using the personal harness, the snap hook of the harness hooks directly to the ladder rung.
ANSWER: B) To perform the leg lock, the locking leg is placed over and under the rung that is one rung above the one on which the member is standing. (INCORRECT)
- Locking leg is placed over and under the rung TWO RUNGS ABOVE.
(Ladders 1 section 8.2.1)
The proper use of portable ladders has saved countless lives at fires. Which ladder placement at Tenement and MDs are correct?
A) If there is no front fire escape, when there is a fire in the cellar, 1st floor and/or 2nd floor, raise the portable ladders adjacent to and above the fire area.
B) If there is no fire escape, when the fire is in the cellar or 1st floor only, raise the portable ladders adjacent to and above the fire area, unless the Aerial Ladder will be required on the upper floors.
C) When there is a front fire escape, a portable ladder should be raised to the 1st floor balcony alongside the drop ladder.
D) When there is a front fire escape, if more relief is required after one Ladder is raised, another portable ladder should be raised to the 2nd floor balcony at a point opposite the drop ladder.
ANSWER: A) If there is no front fire escape, when there is a fire in the cellar, 1st floor and/or 2nd floor, raise the portable ladders adjacent to and above the fire area.
B - Cellar, First AND/OR SECOND FLOOR (raise adjacent and above)
C - When there is a front fire escape, portable should be raised to the SECOND FLOOR balcony at a point OPPOSITE the drop ladder.
D - If more relief is required after one ladder has been raised, another portable should be raised to the THIRD FLOOR balcony at a point ALONGSIDE the drop ladder.
Ladder 111 arrives at a reported basement fire in a Brownstone building without fire escapes, and hears Engine 214 transmit to Battalion 37 via HT “We have a fire on the 1st floor”. Due to numerous double parked cars and street conditions, Ladder 111 is unable to use their TL to cover the building. Which action taken by Ladder 111 should be corrected?
A) The LCC places a portable ladder in front of the stoop, at the window of the small room over the front entrance.
B) Upon hearing that there is a victim trapped at a window on the 4th floor in the rear, the OV FF takes a portable ladder through the 2nd floor of exposure 2, an adjoining Brownstone, and passes the ladder out the window to a member in the rear yard.
C) The OV FF transporting a portable ladder to the rear ensures the butt of the ladder is facing the rear of the building.
D) The OV FF chooses a 35’ extension ladder to reach the 4th floor.
ANSWER: A) The LCC places a portable ladder in front of the stoop, at the window of the small room over the front entrance. (INCORRECT)
- Place the ladder in the ADJACENT WINDOW (Do not place over stoop)
(Ladders 1 section 10.2)
Choose the correct action taken when venting a window from a portable ladder.
A) The ladder is placed upwind from the window to be ventilated.
B) The tip of the ladder, if possible should be lower than the top of the window.
C) When the member on the ladder prepares to use a 6’ hook to vent the window, he/she should extend their arms downward and slant the tool upward and strike the glass.
D) If venting the window without a member on the ladder, the member shall drop the ladder against the window while holding the ladder the entire time to maintain control.
ANSWER: A) The ladder is placed upwind from the window to be ventilated.
B - Tip of ladder should be LEVEL WITH OR HIGHER than the top of the window for venting.
C - When using 6’ hook, extend arms UPWARDS and slant the tool DOWNWARDS to strike the glass.
D - For venting using the ladder, drop the ladder against a window but maintain NO CONTACT BETWEEN LADDER & MEMBER.
(Ladders 1 section 10.3.2)
Portable ladders have many different uses at fires, and require certain precautions. Which one is incorrectly stated?
A) When hook ladders are used on peaked roofs, to prevent slipping, set hooks into roof by pulling down in the ladder.
B) When necessary to utilize a portable ladder to bridge a fire damaged stairs, a 20’ straight ladder should be used.
C) Extension Ladders must be used only in the nested position when bridging.
D) When a Ladder has been positioned and used by a member to gain entry to a fire building, do not move or reposition the ladder except if it is necessary to use the ladder for rescue.
ANSWER: B) When necessary to utilize a portable ladder to bridge a fire damaged stairs, a 20’ straight ladder should be used. (INCORRECT)
- 24’ EXTENSION LADDER should be used to bridge fire damaged stair.
(Ladders 1 section 10.3.3)
Maintenance of portable ladders is important and necessary to provide long service. Choose the correct maintenance procedure.
- A visual inspection shall be made semi-annually and also after use to determine the condition and serviceability.
- Company Commanders shall cause a thorough inspection annually.
- Grease used for internally guided aluminum truss ladders shall be cleaned and recounted each year, or when the grease has dried out and is no longer effective.
- On all ladders, plain candle wax or paraffin shall be applied every 3 months to all contacting surfaces of multiple section ladders.
- Pulleys on extension ladders usually have a ball bearing center that requires 1 to 2 drops of oil once a year.
- Halyards on extension ladders, whether Manila rope or poly blend, should be replaced when they become frayed or twisted.
A) 1,2,3,4,5,6
B) 3,4,5,6 only
C) 1,3,5 only
D) 2,4,6 only
ANSWER: B) 3,4,5,6 CORRECT
(1 and 2 are INCORRECT)
1 - Visual inspection made WEEKLY
2 - Thorough inspection MONTHLY
(Ladders 1 section 13)
FF Jones is the OV of an Aerial Ladder that arrives 1st at a fire on the 3rd floor of a 5 story brownstone with no rear fire escape. Upon reaching the rear of the building he sees a victim in need of rescue at a 3rd floor window and notifies the IC and his officer of the exact location of the victim. After determining that a portable ladder operation will be practical he should take which one of the following actions?
A) Notify the IC that a portable ladder operation will be practical, and take the portable ladder through the fire building with the tip of the portable ladder facing the rear of the building.
B) Notify his company Officer that a portable ladder operation will be practical, and take the portable through the fire building with the tip of the portable ladder facing the rear of the building.
C) Notify the IC that a portable ladder operation will be practical, and take the portable through an adjoining building with the butt of the portable ladder facing the rear of the building.
D) Notify his company Officer that a portable ladder operation will be practical, and take the portable through an adjoining building with the butt of the portable ladder facing the rear of the building.
ANSWER: C) Notify the IC that a portable ladder operation will be practical, and take the portable through an adjoining building with the butt of the portable ladder facing the rear of the building.
- Brownstone - take ladder through 2nd floor parlor of adjoining with butt facing the rear of the building. (Faster than using fire building)
- Rowframe - taking ladder to rear is generally less complicated because there are front and rear doors or windows at ground level.
(Ladders 1 10.2)
An Officer conducting drill on the placement of portable ladders would be correct to state that when a portable ladder is placed?
A) At a window, the tip should be slightly above the window sill.
B) At a roof, the tip shall be at least 3 feet above the roof or parapet.
C) Alongside a fire escape, the tip shall be 1 to 3 feet above the fire escape railing.
D) Against a fire escape, the tip shall be level with the fire escape railing.
ANSWER: C) Alongside a fire escape, the tip shall be 1 to 3 feet above the fire escape railing.
A - Level with sill
B - At least 2 feet above
D - Slightly above
(Ladders 1 7.4)
Which portable ladder is placed incorrectly?
A) When the ladder is placed at a window the tip of the ladder shall be level with the window sill.
B) When the ladder is placed against the fire escape, the tip shall be slightly above the fire escape railing.
C) When the ladder is placed against the building alongside the fire escape the tip shall be 2-4 feet above the fire escape railing.
D) When placing a ladder at an operation, the climbing angle should be approximately 65-75 degrees.
ANSWER: C) When the ladder is placed against the building alongside the fire escape the tip shall be 2-4 feet above the fire escape railing. (INCORRECT)
(Ladders 1, 7.4)
- Ladder on bldg. alongside fire escape = 1 - 3 FEET above fire escape
Proper knowledge of the advantages and disadvantages of aluminum portable ladders is key to operating safely at a fire or emergency. You’re a company officer conducting a drill with your members, and you make the following points regarding the advantages of aluminum portable ladders. You were incorrect in which remark below?
A) Aluminum ladders do not require any protective finish.
B) Aluminum will not weaken with age. It has a long life expectancy.
C) Aluminum ladders will not fail suddenly do to overloads.
D) If an aluminum ladder has been subjected to excessive heat exposure at a fire it may have lost its heat treatment, however this will not affect its load carrying capacity.
D) If an aluminum ladder has been subjected to excessive heat exposure at a fire it may have lost its heat treatment, however this will not affect its load carrying capacity.
- THIS MAY AFFECT ITS LOAD CARRYING CAPACITY, EVEN IF THE METAL SHOWS NO SIGNS OF ANY CHANGE.
(Portable Ladders Section 3 and 4)
You’re a company officer conducting a drill with your members on the proper placement of portable ladders. After one of your members places a ladder to the roof a 3-story MD, you estimate the distance from the base of the ladder to the top of its support to be approximately 24 feet. In order to obtain the proper 75-degree angle you should direct this member to place the base of the ladder ___ feet from the vertical plane.
A) 4
B) 6
C) 8
D) 12
ANSWER: B) 6
A simple formula to obtain a 75-degree angle is to place the base of the ladder at a distance from the vertical plane equal to 1/4 the total working length of the ladder.
The working length is the distance from the base of the ladder to the top of its support.
24’/4 = 6’
Portable Ladders 7.3
Proper placement of the tip of the portable ladder provides for easier and safer mounting and dismounting. Which of the following portable ladder placements is listed correctly?
A) Placed at the roof-tip shall be at least 5-feet above the roof or parapet.
B) Placed to ventilate windows on upper floors-tip of ladder, if possible should be level with, or higher than the top of the window.
C) Placed alongside a fire escape on a building wall-tip shall be slightly above the fire escape railing.
D) Placed at a window-tip shall be slightly below the window sill.
ANSWER: B) Placed to ventilate windows on upper floors-tip of ladder, if possible should be level with, or higher than the top of the window.
A - Placed at Roof = 2 feet above
C - Alongside a F.E. on bldg. wall = 1 to 3-feet above
D - Placed on window = level with window sill.
NOTE: Placed against the fire escape-tip shall be slightly above the fire escape railing.
(Portable Ladders 7.4; 10.3.2)
Portable ladders must be correctly marked with both the ladder length and unit designation. Which of the following statements is correct regarding the marking of portable ladders?
A) The unit designation shall be marked within 18 inches of each butt.
B) The numerical length of a ladder shall be marked on the side of the rails within 14 inches of the end of the ladder.
C) Straight ladders-The ladder length shall be marked at the butt end only of each rail.
D) Extension ladders-The ladder length shall be marked on each end of each rail.
ANSWER: A) The unit designation shall be marked within 18 inches of each butt.
(Ladders 1)
“COMPANY DESIGNATION” 18 LETTERS = 18 INCHES
B - Length marked on the side of the rails within TWELVE (12) INCHES of the end of the ladder.
CODE: “LADDER LENGTH” 12 LETTERS = 12 INCHES
C - EXTENSION LADDERS - The ladder length shall be marked at the butt end only of each rail OF THE BED LADDER.
D - STRAIGHT LADDERS - The ladder length shall be marked on each end of each rail.
In order to prevent slippage of the butt or movement of the top of a raised portable ladder, it is important that it be butted by a member. In any case for fire, emergency or rescue work, a butt firefighter shall be used to stabilize the ladder and prevent slipping. Which of the following statements is correct?
A) Both hands are placed against and grasp the ladder rungs to aid in steadying the ladder.
B) The butting member places their left foot in the center of the bottom rung of the ladder and maintains downward pressure.
C) The butt firefighter must be aware of the force that causes outward slippage of the butt of the ladder. This force is in direct proportion to the climbing members weight, decreasing as he/she ascends the ladder.
D) If the aluminum portable ladder is to be left unattended, it should be secured at the tip by the last member that climbs the ladder.
ANSWER: B) The butting member places their left foot in the center of the bottom rung of the ladder and maintains downward pressure.
(Portable Ladders 7.5)
A - Grasp the BEAMS to aid
C - INCREASING as he/she ascends the ladder.
D - By the FIRST member that climbs the ladder.
The Marine companies carry ___ foot and ___ foot portable hook ladders with wood beams. They are painted ___ except for the hooks and for 18 inches at the base of each beam, which are painted ___.
A) 10; 14; black; white
B) 12; 20; black; white
C) 10; 14; white; black
D) 12; 20; white; black
ANSWER: B) 12; 20; black; white
Portable Ladders 1.2
A FF placing a portable ladder to the roof of a fire building should ensure the tip of the ladder is placed ______________?
A) Level with the roof
B) At least 2 feet above the roof or parapet
C) Slightly above the roof
D) 1 - 2 feet above the roof
ANSWER: B) At least 2 feet above the roof or parapet
(Ladders 1 7.4)
Placed at a window - Tip shall be level with window sill.
Placed at a roof - Tip shall be at least 2 feet above the roof or parapet.
Placed alongside a fire escape on a building wall - Tip shall be 1 to 3 feet above the fire escape railing.
Placed against a fire escape - Tip shall be slightly above the fire escape railing
The unit designation shall be marked within how many inches of each butt on a portable ladder?
A) 6 inches
B) 10 inches
C) 12 inches
D) 18 inches
ANSWER: D) 18 inches
Ladders 1 6.2
On a straight portable ladder, the ladder length shall be marked where?
A) Within 12 inches from the butt on each end of the rail.
B) Within 16 inches from the butt on each end of the rail.
C) Within 18 inches from the butt on each end of the rail.
D) Within 24 inches from the butt on each end of the rail.
ANSWER: A) Within 12 inches from the butt on each end of the rail.
(Ladders 1 6.1)
When climbing a portable ladder, a ________ degree angle allows the ladder to provide its maximum strength and best service.
A) 40 - 50
B) 55 - 65
C) 65 - 75
D) 70 -80
ANSWER: C) 65 - 75
Ladders 1 7.3
An apparatus arriving at the scene of a fire should not position closer than _______ feet to the rear of a ladder apparatus to ensure the 20 foot straight and 35 foot extension ladders can be removed from the ladder racks.
A) 10 feet
B) 15 feet
C) 18 feet
D) 20 feet
ANSWER: D) 20 feet
Ladders 1 7.1
A FF raising a portable ladder to an overcrowded fire escape would be correct to place the ladder to which location?
A) The 2nd balcony, same side as the drop ladder
B) The 2nd balcony, opposite the drop ladder.
C) The 1st balcony, opposite the drop ladder
D) The 1st balcony, same side as the drop ladder
ANSWER: C) The 1st balcony, opposite the drop ladder
Ladders 1 10.1
Because of its portablility, which portable ladder can be used by the OV and Roof FFs to gain access to the various balcony levels of rear party wall balcony fire escapes?
A) 10 foot straight
B) 12 foot hook
C) 20 foot straight
D) 24 foot extension
ANSWER: B) 12 foot hook
Ladders 1 10.2
For a fire in a Brownstone building, in most cases, a portable ladder should be brought to the rear using which method?
A) Through the 1st floor of an adjoining building
B) Through the parlor floor of an adjoining building
C) Through the 1st floor of the fire building
D) Through the parlor floor of the fire building
ANSWER: B) Through the parlor floor of an adjoining building.
(Ladders 1 10.2)
- In most cases, taking the ladder through the second floor (parlor floor) of an adjoining brownstone and passing it out the rear window to another member in the yard below is faster than using the fire building.
- In a brownstone, it is important to take the ladder through with the BUTT facing the REAR of the building.
When venting a window from a portable ladder, a FF should take all but which one of the following steps?
A) Place the ladder downwind from the window to be vented.
B) Place the tip of the ladder level with, or higher than the top of the window.
C) Position the member’s eye shield in the down position.
D) Using a tool to ventilate the window (6 foot hook preferably), extend their arms upward and the tool downward and strike the glass.
ANSWER: A) Place the ladder downwind from the window to be vented. (INCORRECT)
(Ladders 1 10.3.2)
- The ladder is placed upwind from the window to be ventilated.
Portable ladders may be placed over weakened, damaged or burnt out stairs in order to gain access to the upper stories of a building. When necessary to utilize a portable ladder to bridge fire damaged stairs, which ladder should be used?
A) 16 straight
B) 20 foot straight
C) 24 foot extension
D) 35 foot extension
ANSWER: C) 24 foot extension
(Ladders 1 10.3.4)
- When necessary to utilize a portable ladder to bridge fire damaged stairs, a 24’ extension ladder should be used (the 20’ straight ladder may be too short).
- The shorter nested length of the 24’ extension ladder may allow easier positioning