24/04/2021
Skid Systems
• Tank material (10mm) and bow (12mm) made of P355NH comply with EN10028-3 and tested lamination control based on EN10160 with certificated 3.1 based on EN10204
• Welded according to EN9606-1 (WPS&PQR); certification
• Tank consist of single module sheets
• Each module has only single welding seam
• Bow thickness not less than critical calculation
• Welding of tank comply with EN287-1
• Tank-tank and tank-bow welded by SAW
• Tank-nozzle by GTAW/SMAW
• Pipe-fittings and pipe-flange by TIG
• Welding preparations comply with EN 1708 and EN 9692-2.
• Welding wires comply with EN ISO 14171
• Radiographic X-ray control
• Control is done by certificated technician by third party
• Nozzle-tank and manhole weldings controlled
• Control is done by certificated technician
• Each tank will be applied hydrostatic test comply with EN 13445
• Clean and fresh water will be used
• Water temperature will be above 15oC
• After hydrostatic test tank inside will be purified from water
• All fittings and connections will be check by foam