Term
|
Definition
| Main structural member of a ladder supporting the rungs or rung blocks. p472 |
|
|
Term
|
Definition
| Lowest and widest section of an extension ladder; while the ladder is being raised or lowered. pg472 |
|
|
Term
|
Definition
Bottom end of the ladder; the end that is placed on the ground. pg472 |
|
|
Term
|
Definition
| Metal plates, spikes, or cleats attached to the butt end of ground ladder beams to prevent slippage. pg 472 |
|
|
Term
|
Definition
| Upper sections of extension or some combination ladders; the section that moves. pg 472 |
|
|
Term
|
Definition
| Rope or cable used for hoisting and lowering the fly section of an extension lader. pg 473 |
|
|
Term
|
Definition
| Curved metal devices installed near the tip end of roof ladders to secure the ladder to the highest point on a peaked roof of a building. pg 473 |
|
|
Term
|
Definition
| Bottom section of an extension ladder. pg 475 |
|
|
Term
| Pawls (dogs or ladder locks) |
|
Definition
| Devices attached to the inside of the beams on fly sections used to hold the fly section in place after it has been extended. pg 475 |
|
|
Term
|
Definition
| Cross members that provide the foothold for climbing. |
|
|
Term
|
Definition
| Extreme top of a ladder. pg 475 |
|
|
Term
|
Definition
| Scaling ladder with a single beam and a large curved metal hook that can be put over windowsills for climbing. pg 475 |
|
|
Term
| Single Ladders (straight or single ladders) |
|
Definition
| Consist of only one section of a fixed length. pg476 |
|
|
Term
|
Definition
| Single ladders equipped with folding hooks that provide a means of anchoring the ladder over the ridge of a pitched roof. pg 476 |
|
|
Term
| Folding ladders (Attic ladders) |
|
Definition
| They have hinged rungs allowing them to be folded so that one beam rests against the other. pg 476 |
|
|
Term
|
Definition
| Consists of a base or bed section and one or more fly sections that travel in guides to permit length adjustment. pg 476 |
|
|
Term
|
Definition
| Are designed so that they may be used as a self-supporting step-ladder (A-frame) and as a single or extension ladder. pg 478 |
|
|
Term
| Metal ladder characteristics |
|
Definition
good conductor of heat, cold, electricity easy to repair can suddenly fail when exposed to heat or flame wides range of sizes pg 478
|
|
|
Term
| Wood ladder characteristics |
|
Definition
highest cost of all ladders heaviest per unit of length retains strength when exposed to heat or flame very durable pg 478
|
|
|
Term
| Fiberglass ladder characteristics |
|
Definition
generally a poor conductor of electricity can suddenly crack and fail when overloaded can burn when exposed to flame pg 478
|
|
|
Term
|
Definition
| kepping ladders in a state of usefulness or readiness. pg 478 |
|
|
Term
|
Definition
| means to either restore or replace that which is damaged or worn out. pg 478 |
|
|
Term
|
Definition
| Portion of the exterior walls of a building that extends about the roof. A low wall at the edge of a roof. pg 484 |
|
|
Term
| How many rungs should be extended beyond the roof edge to provide footing and handholding for stepping on or off? |
|
Definition
|
|
Term
| Placement for Ventilation |
|
Definition
| Place the tip of the ladder about even with the tip of the window and to the windward (upward) side. pg 484 |
|
|
Term
| Ladder placement for Rescue |
|
Definition
Place the tip of the ladder just below the windowsill. pg 484 |
|
|
Term
| When multiple firefighters carry a ladder which firefighter gives the commands (491)? |
|
Definition
|
|
Term
| Name two ladder placement guidelines (491-493). |
|
Definition
-ladder at least two points on different sides of the buildings -avoid windows or doors -take advantage of strong points of the building such as corners -avoid overhead obstructions -avoid fire |
|
|
Term
| The desired climbing angle (494). |
|
Definition
|
|
Term
| what is one proper method for checking the climbing angle of a ladder (495)? |
|
Definition
| stand on bottom rung and reach for the rung directly at shoulder level |
|
|
Term
| Per OSHA ladders must be at least ___ feet away from energized electrical lines or equipment (496). |
|
Definition
|
|
Term
| Wooden ladders are designed and intened to be used with the fly __. (497) |
|
Definition
|
|
Term
| When performing a one-firefighter extension ladder raise, what is used to heel the ladder when it is brought to the vertical position (498)? |
|
Definition
|
|
Term
| A four person ______ raise is used for larger extension ladders due to increased weight and length (500). |
|
Definition
|
|
Term
|
Definition
One method for preventing a ladder from moving. A firefighter stands beneath the ladder with feet about shoulder width apart and grasps the ladder beams at eye level and pulls backward to press the ladder against the building. |
|
|
Term
|
Definition
| Piece of rope spliced to form a loop through the eye of a metal hook; used to secure hose to ladders or other objects. |
|
|
Term
| Proper hand and foot movement while climbing ladders (503). |
|
Definition
| Coordingate hand and food movement so that the right hand and left foot are in contact with the ladder as you move the opposite hand and foot to the next rungs. |
|
|
Term
| What needs to be in place before a firefighter can safely work with both hands off of a ladder (504). |
|
Definition
| Either a ladder belt or a leg lock. |
|
|
Term
| Lowering an extraordinarily heavy victim down a ladder (507) |
|
Definition
| It may be necessary to use two ladders and two rescuers side by side. |
|
|
