This call for tenders concerns the supply of pipes, elbows and "Y" in standard spiral welded steel as well as high abrasion resistance 400 HB steel pipes intended for the dredged sediment landings of the Port. from Rouen.

Fixed flanges to standard PN16, lengths 6 and 3 m. DN600 thickness 11 to 15 mm, internal diameter 597 mm, maximum ovalization +/- 2 mm.

Fixed and rotating flanges, PN16 standard, pipe lengths of 6 and 3 m. DN500:

- DN500 sheet thickness: 8 mm minimum,

- internal diameter of DN500: 492 mm, maximum ovalization +/- 2 mm.

DN600:

- sheet thickness of DN600: 11 to 15 mm,

- internal diameter of DN600: 597 mm, maximum ovalization +/- 2 mm.