Rank: Forum user 
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Morning chaps and chapesses, just a quick one. Its it acceptable practice to attach a harness to an inertia real to a excavator arm for entry in to confined spaces / trench box? I can only see the use of tripods or Davit arms.
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Rank: Super forum user
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Morning thunderchild - I think you have mostly answered your own question. However, setting LOLER considerations aside...... How is the worker going to feel if needing to be rescued quickly and the excavator operator panics and bumps the worker repeatedly off the sides of the excavation whilst the worker is being lifted out? Let's imagine that this is in the UK and for most of the water companies. They would apply the standard in Occasional Guidance Note: The Classification & Management of Confined Space Entries (2019) | Water UK So, you have a picture of the top chap or chapess, ready to operate the winch on the tripod to vertically extract the worker. Supposing you rely on this worker being attached to the excavator. Still need that top chap or chapess, so what would be the benefit of NOT having the tripod?
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Rank: Forum user
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Originally Posted by: peter gotch  Supposing you rely on this worker being attached to the excavator. Still need that top chap or chapess, so what would be the benefit of NOT having the tripod?
....cost
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