GLOSSARY

EN ISO 13857

EN ISO 13857 defines the safety distances that stop people reaching hazard zones over, under, around or through guard openings with their upper or lower limbs.

The 2019 edition tabulates safe distances by opening size, for people aged 14 and over; openings above 120 mm fall outside the tables and need the full clause 4.2.2 treatment. Knox Thomas has a free online calculator built on Table 4 of the standard.

Other Terms

Proof Load Testing

Proof load testing applies a load above the rated working load to demonstrate that a lifting accessory or fabrication performs safely under the required conditions.

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