What is the primary code of construction for Alberta-registered OTSGs?

What is the primary code of construction for Alberta-registered OTSGs?

• A. ASME Section VIII
• B. CSA B51
• C. EN 13445
• D. ASME Section I

Answer: (D)

Once-through steam generators used as power boilers in Alberta are treated as high‑pressure boilers. The primary construction code for these units is ASME Section I, the Rules for Construction of Power Boilers. It sets the design, materials, fabrication, testing, and stamping requirements for boilers intended to produce high‑pressure steam in continuous operation. Section VIII covers pressure vessels by itself, which isn’t the applicable umbrella for a complete boiler assembly like an OTSG. EN 13445 is a European standard not used for Alberta approvals, and CSA B51 is a Canadian code that often references ASME, but the main construction path for these boilers in Alberta is ASME Section I.

Once-through steam generators used as power boilers in Alberta are treated as high‑pressure boilers. The primary construction code for these units is ASME Section I, the Rules for Construction of Power Boilers. It sets the design, materials, fabrication, testing, and stamping requirements for boilers intended to produce high‑pressure steam in continuous operation. Section VIII covers pressure vessels by itself, which isn’t the applicable umbrella for a complete boiler assembly like an OTSG. EN 13445 is a European standard not used for Alberta approvals, and CSA B51 is a Canadian code that often references ASME, but the main construction path for these boilers in Alberta is ASME Section I.