ISO 14122-4:2016 機械の安全性—機械への恒久的なアクセス手段—パート4：固定はしご | ページ 6

3.1

fixed ladder system

ladder system

fixed ladder

installation of at least one ladder flight (3.4) , fall protection (3.7) ここで, appropriate, as well as landing(s) and/or platform(s)

Note 1 to entry: In the following text, the abbreviation “ladder” and “ladder flight” is used for fixed ladders and fixed ladder flights, respectively.

3.2

ladder with two stiles

ladder, according to ISO 14122-1:2016, 3.1, which is stationary and where the rungs are arranged between and attached to the stiles

3.3

ladder with one stile

ladder, according to ISO 14122-1:2016, 3.1, which is stationary and where the rungs are attached to both sides of the stile

3.4

ladder flight

Note 1 to entry: See Figures 3a and 3b.

3.5

climbing height of ladder system

total height

H

vertical distance between the departure area on the ground and the arrival area (3.9) at the top of a ladder system (3.1)

Note 1 to entry: See Figure 3 a).

Note 2 to entry: In case of staggered ladder flights (3.4) , the vertical distance between departure area (3.8) of the first flight and the arrival area at the top of the last flight.

3.6

height of ladder flight

h

vertical distance of each staggered ladder flight (3.4)

3.7

fall protection

technical measure to prevent or to minimize the risk of people falling from ladders

3.7.1

safety cage

cage-shaped protective device, permanently fixed to the ladder, to minimize the risk of persons falling from ladders

Note 1 to entry: See Figure 14, Figure 15, Figure 20 a) and Figure B.1.

3.7.2

guided type fall arrester on rigid anchorage line

fall arrester

protective equipment permanently fixed to the ladder and used in combination with personal protective equipment

Note 1 to entry: See also definition in EN 353–1 and EN 363.

3.8

departure area

entrance

bottom level of the surroundings or of the intermediate platform (3.11) from which a person starts to climb the ladder or ladder system (3.1)

Note 1 to entry: See Figure 3 a) and Figure 3 b).

3.9

arrival area

exit

top level of the surroundings or of the intermediate platform (3.11) to which, the person steps after the ascent or the descent downwards starts

Note 1 to entry: See Figure 3 a) and Figure 3 b).

Note 2 to entry: In a ladder system with staggered flights, the arrival area (3.9) can also be a departure area (3.8) for subsequent ascent.

3.10

intermediate landing

horizontal structure between two consecutive ladder flights (3.4) , used with ladders having staggered flights, which is designed to change the ladder flights or for resting

Note 1 to entry: See Figure 20.

3.11

intermediate platform

horizontal structure between two consecutive ladder flights (3.4) which is designed to allow more than one person at the same time to change or to rest in the ladder system

Note 1 to entry: See Figure 19.

3.12

rest platform

horizontal structure on a single ladder flight (3.4) which is designed to allow more than one person at same time to rest in the ladder system

Note 1 to entry: See Figure 18.

3.13

moveable rest landing

area equipped with the required protective means designed to incite that the user of the ladder system (3.1) can rest but cannot interchange

Note 1 to entry: See Figure 21 a) and Figure 21 b).

3.14

access platform

horizontal structure at the departure area (3.8) or arrival area (3.9) used by a person for access to a ladder system (3.1)

3.15

trap door

hatch, intended to be opened temporarily to provide access through a platform or other horizontal structure

Note 1 to entry: See Figure 13.

3.16

non-trained user

person without experience how to use the fall arrester

3.17

well-trained user

person with instruction and experience in how to use the fall arrester