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This letter serves to clarify the design and construction standards for processing plants. The Pipeline Regulation, Section 12 (1) and (2), Standard for Pipelines, requires installation, operation and welding to be in accordance with CSA Z662. Section 13 requires all pumping stations and compressor stations to be installed in accordance with the requirements of Canadian Standards Association (CSA) Z662. | OIL AND GAS COMMISSION January 17 2005 AMENDED INFORMATION LETTER OGC 04-26 SUBJECT STANDARDS FOR PROCESSING PLANTS - Z662-03 and B31.3 This letter serves to clarify the design and construction standards for processing plants. The Pipeline Regulation Section 12 1 and 2 Standard for Pipelines requires installation operation and welding to be in accordance with CSA Z662. Section 13 requires all pumping stations and compressor stations to be installed in accordance with the requirements of Canadian Standards Association CSA Z662. Section 16 states the requirement of CSA Z662 for oil storage tanks or to American Petroleum Institute API Standards 12B 12D or 12F depending on the size and type of construction of the tank . Section 21 states the requirement for operation and maintenance procedures on oil and gas pipelines to CSA Z662 unless otherwise approved. The intent of the Regulation to specify CSA Z662 is very clear. However CSA Z662 does provide an option to use American Society of Mechanical Engineers ASME B31.3 as follows. CSA Z662-03 4.10.2.7.3 It shall be permissible to design each type of piping system within compressor stations in its entirety in accordance with the requirements of ASME B31.3. Notes 1 All other requirements in Clause 4 relating to compressor station design are applicable. 2 Examples of types of piping systems included are those for main service fluids lubricating oil water steam processing and hydraulic fluids. CSA Z662-03 4.10.3.5.4 It shall be permissible to design each type of piping system within pump stations in its entirety in accordance with the requirements of ASME B31.3. Notes 1 All other requirements in Clause 4 relating to pump station design are applicable. 2 Examples of types of piping systems included are those for main service fluids lubricating oil water steam processing and hydraulic fluids. CSA Z662-03 6.1.4 Compressor and pump station piping designed in accordance with the requirements of ASME B31.3 see Clauses 4.10.2.7.3 .
