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We have Class B design qualifications for water treatment, but regarding methanol pipelines, steam pipelines, and dichloroethane pipelines, it should fall under....

2018-07-04View Original

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We have Class B design qualifications for water treatment, but projects involving methanol pipelines, steam pipelines, dichloroethane pipelines are likely to fall under the category of pressure pipelines. There are also methanol storage tanks and pressure vessels involved; the drawings required include details related to the piping and materials for pressure pipelines, as well as equipment diagrams for pressure vessels. Can we produce such drawings without having Class B qualifications? Are there any other specific qualifications required? Looking forward to your advice!
Reply #22018-07-04
These design scope items fall under the \"Petroleum, Chemicals, and Pharmaceuticals\" category of qualifications, while the pipelines belong to the industrial pipeline \"GC\" category. As for Class A or Class B design, it also depends on the scale of the installation. Water treatment Class B falls under the design scope of \"Environmental Engineering\" and cannot be designed across different industries.
Reply #32018-07-04
Our equipment is used in the wastewater treatment industry, but it involves pressure pipelines and pressure vessels. There are piping and material lists for the pressure pipelines, as well as equipment specification diagrams for the pressure vessels. I was wondering: should it be okay to prepare the drawings using a Class B qualification for water treatment, without considering the pressure pipelines and pressure vessels? But for the drawings related to pressure pipelines and pressure vessel equipment, in addition to having a Class B design qualification for water treatment, shouldn’t one also possess qualifications for drawing pressure pipeline designs and pressure vessel designs? I’m not sure if my understanding is correct; please correct me if I’m wrong
Reply #42018-07-04
Theoretically, the entire design should require dual qualifications in \"Chemical Engineering\" and \"Water Pollution Control Engineering\", or merely the \"Chemical Engineering\" qualification. A single installation cannot have part of it qualified under the \"Water Pollution Control Projects\" standards and another part qualified under the \"Chemical Engineering\" standards.
Reply #52018-07-05
In my case, do I still need to obtain qualifications for pressure pipelines and pressure vessels as well? ? ?
Reply #62018-07-05
It is necessary to obtain the qualification for pressure pipelines.

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