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EN 13670 · ISO 17660Construction
EN 13670 — execution of concrete structures (+ ISO 17660 rebar welding)
What is it?
The European standard for building concrete structures correctly: formwork, reinforcement placement per drawings, pouring, curing and tolerances. ISO 17660 additionally governs welding of reinforcing steel.
What evidence should a candidate have?
Vocational diploma or NPK, project references naming the structure type and the candidate's role, work-at-height and scaffold certificates.
Why it matters for staffing
Separates a rebar worker or formwork carpenter who builds from drawings independently from a general labourer — the difference clients pay for.
Used in trade modules
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