Topic Commentary
Cranes and precast panel erecting Article contributed by JOHN HUMPHRIES – CICA Working with or around precast concrete panels is a high-risk operation. The collapse of any concrete panel, even a small one, can have catastrophic consequences for workers, the public and property. Recently published accident statistics reflect a high representation of incidents involving precast elements. In light of this, here is a list of the top 6 causal factors of incidents involving this kind of lift and it’s not all in the craneage. Clutch and Insert Compatibility. Turning up on site with the wrong clutches is an easy mistake to make. Take the time to
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LIFTING MATTERS
ISSUE Q1 2020
ensure the crew heading to the job has compatible clutches for the lifting inserts cast into the elements to be lifted. It is recommended that the same manufacturer for the insert and clutch are used or a letter obtained from the manufacturer about compatibility. Incorrect Rigging for Panel Rotating. Load equalising snatch blocks are crucial and, along with the chains and shackles, need to be of sufficient capacity and correctly tagged with up to date inspections. Panel Birth Certificates and Shop Drawings need to be provided and
