Manufacture and repair of exterior equipment supporting frames, self-supporting equipment boxes and passenger-coach internal parts under EN 15085 CL1, within the certificate’s process, material and joint restrictions.

Railway certificate: process 135 scope

Groups 1.2/8: fillet welds, t≥5 mm; group 1.2 butt welds, t7.5–30 mm; group 8 butt welds, t3–8 mm; partly mechanised.

Railway certificate: process 136 scope

Group 1.2, fillet welds, t10–40 mm, partly mechanised.

Railway certificate: process 141 scope

Manual: group 1.2, t1–4 mm, D≥14 mm; group 22, t3–16 mm; group 23, t1.5–6 mm, D≥25 mm; group 23/22 fillet, t1.5–6 mm, D≥25 mm; group 8 fillet, t0.7–19 mm, D≥20 mm; group 8 butt, t0.8–19 mm, D≥8.5 mm. Annex governs exact application.