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Extension ladder A 20–60-foot ladder with one or more movable sections that extend beyond a base section, generally using a halyard rope and pulley mechanism for lifting and locking cams to latch the moving sections at a selected height. Extinguisher
A Knox Box is a small, wall-mounted safe that holds building keys for fire departments, emergency medical services, and sometimes police to retrieve in emergency situations. [ 1 ] [ 2 ] The term "Knox-Box" is a brand name for such products produced by the American company Knox Associates, which does business as The Knox Company.
The woman was in extreme difficulty, enveloped in smoke from the waist up and was on the point of collapse. With his right foot on the second rung of the ladder from the top, Ford placed his left foot on the cornice and held the woman against the face of the building. At this stage she partially collapsed on to him, causing him to lose his balance.
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The safest angle for a ladder is 75.5°; if it is too shallow, the bottom of the ladder is at risk of sliding, and if it is too steep, the ladder may fall backwards. This angle is achieved by following the 4 to 1 rule for a ladder placed on a vertical wall: for every four feet of vertical height, the ladder foot should move one foot from the wall.
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Modern CAD systems now abstract the box alarm concept, and allow box definitions to be triggered based on geographic area, time of day, incident type, weather, and any other planned situation. For a given hydrant area, the "Summer" box assignment will contain the usual response of an engine, ladder or tower truck, and rescue companies.
Fall protection system: Fixed ladders above 24' must have a fall protection system in accordance with OSHA Standard 1910.28(b)(9)(i)(C). Cages are not anymore considered as fall protection, and ladders that are newly installed or replaced after November 19, 2018, must have a fall protection system based on OSHA's new fixed ladder requirements.
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