GWO ADVANCED RESCUE TRAINING STANDARD V02.1 – ANNEXES
2020-10-01_TS_ART_V02.1
The recommended height is based upon the following formula, 𝑅𝑅𝑅𝑅 = 𝐿𝐿𝐿𝐿 + 𝐷𝐷𝐷𝐷 + 𝐻𝐻𝐻𝐻 + 𝐶𝐶 , Where, 𝑅𝑅𝑅𝑅 = Required Fall Distance Clearance (minimum anchor point height) 𝐿𝐿𝐿𝐿 = Length of Lanyard 𝐷𝐷𝐷𝐷 = Deceleration Distance (fall distance) 𝐻𝐻𝐻𝐻 = Height of Suspended Worker 𝐶𝐶 = Safety Factor The value for 𝐻𝐻𝐻𝐻 is the length of the suspended worker after a fall and includes factors like the height of the person and harness stretch, to account for these variables this is set to 2.00 m. Using the value for 𝐻𝐻𝐻𝐻 (2.00 𝑚𝑚 ) , the maximum allowed values for 𝐿𝐿𝐿𝐿 (2.00 𝑚𝑚 ) & 𝐷𝐷𝐷𝐷 (1.75 𝑚𝑚 ), and the minimum allowed value for 𝐶𝐶 (1.00 𝑚𝑚 ), we get, 𝑅𝑅𝑅𝑅 = 𝐿𝐿𝐿𝐿 + 𝐷𝐷𝐷𝐷 + 𝐻𝐻𝐻𝐻 + 𝐶𝐶 and, 𝑅𝑅𝑅𝑅 = 2.00 𝑚𝑚 + 1.75 𝑚𝑚 + 2.00 𝑚𝑚 + 1.00 𝑚𝑚 , therefore, 𝑅𝑅𝑅𝑅 = 6.75 𝑚𝑚 . Therefore, the GWO recommends that the anchor points used during the evacuation exercises are placed a minimum of 6.75 m (22.15’) above the ground or any structure which a person may come into contact with, in the event of a fall. Note: Any equipment used during this GWO training module shall meet or exceed the minimum requirements of the national standards listed in table A3-1a. 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.
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