2023-05-02 WLA_V2

Safety training

Wind Limited Access/ V2 2023-05-02

The value for HH is the length of the suspended worker after a fall includes factors like the height of the person and harness stretch, to account for these variables this is set to 2.00m. Using the value for HH (2.00m), the maximum allowed values for LL (2.00m) & DD (1.75m), and the minimum allowed value C (1.00 m), we get, 𝑅𝑅𝑅𝑅 = 𝐿𝐿𝐿𝐿 + 𝐷𝐷𝐷𝐷 + 𝐻𝐻𝐻𝐻 + 𝐶𝐶 And, 𝑅𝑅𝑅𝑅 =2.00 𝑚𝑚 +1.75 𝑚𝑚 +2.00 𝑚𝑚 +1.00 𝑚𝑚 , Therefore, 𝑅𝑅𝑅𝑅 =6.75m Therefore, the GWO recommends that the anchor points used during the evacuation exercises are placed a minimum of 6.75m above the ground or any structure which a person may come into contact with, in the event of a fall. Any equipment used during this GWO training module shall meet or exceed the minimum requirements of the national standards listed in table A4-1. When working in a country where there is no applicable national standard then the equipment shall meet or exceed the minimum requirements of the European standards.

Country Specific Equipment Standards



North America ANSI/ASSP Z359.11


United Kingdom BS EN 361+358

EN 361+358

GB 6095 +GB 6095 W/GB 6095 Q

Full Body Harness


EN 358

GB 24543 W/GB 24543 Q

BS EN 358

Fall restraint lanyards


EN 354 and/or EN 355

GB 24543 Z+GB/T 24538

BS EN 354 and/or BS EN 355

Fall arrest lanyard including energy absorber

ANSI Z89.1 Type I

EN 397 +A1

GB 2811

BS EN 397 +A1

Industrial safety helmet with a chinstrap that is released with a force of no less than 150 N

Global Wind Organisation ©2023 / www.globalwindsafety.org

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