GWO Basic Safety Training V14.0
2021-04-01_TS_BST_V14
11.3 Working at Heights & Manual Handling Instructor/Participant Ratio
The ratio shown for theory sessions indicates the maximum number of participants attending the course.
Other ratios indicate the maximum number of participants to be supervised by an instructor during each activity.
Module
Session
Trainer - Participant Ratio
Theory
1:12
Practical
1:6
BST Working at Heights with Manual Handling
Session (Onsite)
Trainer - Participant Ratio
Theory
1:12
Practical
1:4
Table 11-3 GWO BST WAH and MH instructor/participant ratio
11.4 Equipment for Working at Heights & Manual Handling Module
The equipment required for training as listed in Annex 3 must be available and must fulfil national legal requirements as listed in table A3-1 in Annex 3 where applicable. A generic approach to teaching safety equipment is applied to this Module aiming to avoid potential product specific additional training on completion of this Module, which may be required by the participant ’s organisation e.g. prior to site or work. The generic approach is achieved by teaching a variety of safety equipment products within each safety equipment category (e.g. guided type fall arresters), enabling the participant to conduct pre-use inspection and to use other safety equipment products compared to those taught during this Module – based on the manufacturer’s user manual but without additional formal training. Where reasonably practicable the training provider shall eliminate the risk of a fall from height. Where it is not possible to eliminate the risk of a fall then the fall factor experienced by any person shall be kept as low as is reasonably practicable.
GWO recommends a maximum fall factor of 0.5. To calculate this the following formula has been used,
𝐷𝑖𝑠𝑡𝑎𝑛𝑐𝑒 𝐹𝑎𝑙𝑙𝑒𝑛 𝐿𝑒𝑛𝑔𝑡ℎ 𝑜𝑓 𝑙𝑎𝑛𝑦𝑎𝑟𝑑 ,
𝐹𝑎𝑙𝑙 𝐹𝑎𝑐𝑡𝑜𝑟 (𝐹𝐹) =
using the maximum allowed lanyard of length 2.00 m and a fall of 1.00 m,
1.00 𝑚 2.00 𝑚 ,
𝐹𝑎𝑐𝑡𝑜𝑟 (𝐹𝐹) =
𝐹𝑎𝑐𝑡𝑜𝑟 (𝐹𝐹) = 0.5.
Global Wind Organisation www.globalwindsafety.org
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