Is a single-line diagram necessary?
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There is a question: in general engineering projects, is it necessary to include single-line diagrams in the completion documents? I’m not sure what standards specify this Let’s see what the experts have to say! Thank you
Required by the regulations for the supervision of pressure pipelines
I think this looks pretty good. What kind of drawings are used in the design? In 2012, I saw for the first time drawings that showed only the single-line diagrams; the plan views and sectional views depicted only the pipe and duct sections of the equipment, which was certainly inappropriate.
From the perspective of traceability, without a flowchart, how can the quality inspection of materials and welds at later stages be traced? Considering future maintenance, should we perform on-site measurements for refueling?
For the inspection of pressure pipelines, a crucial part of the on-site inspection is the verification of the single-line diagram, as well as the inspection of welds and non-destructive testing
HG-T-20519-2009 Unified Specifications for the Content and Level of Detailed Drawings in Chemical Process Design – Part 4
Thank you so much, you are very professional! ! :handshake
TSGD0001-2009
The axonometric diagram in Article 36 of Chapter 3 shall represent the basic standards for the safety of industrial metal pipes