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A flag meaning not in the shop.
Also known as: On-site weld flag, Erection weld mark
The welding symbol showing that the weld is to be made on site rather than in the fabrication shop.
Shows that the weld is made at the erection site rather than in the shop.
Contexts: Technical drawing
A fabrication instruction rather than a geometric one: it changes who makes the weld and under what conditions, and therefore what it costs, without changing the weld itself.
Contexts: Technical drawing
A small triangular flag on a short staff at the junction of the arrow and the reference line, pointing away from the line.