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Site Symbol Spec Table
Site Symbol KS Specifications — 2 sizes
KS B ISO 2553
Symbols indicating welding execution conditions: field weld (flag) and all-around weld (circle).
Practical Notes
- Field weld = flag symbol; all-around weld = circle symbol. Clarify execution conditions on drawings.
KSSite Symbol
2 sizes| Name | Type | Symbol | Description | Dimension | Note |
|---|---|---|---|---|---|
| Field Weld | Site Symbol | ⚑ | Field Weld | - | Weld |
| All Around Weld | Site Symbol | ○↑ | All Around Weld | - | Pipe Joint |
Key Features
- Field construction condition instructions: field weld (flag), installation sequence, tack weld position marking
- Distinguishes temporary (tack) and permanent welds; specifies sequence of tack removal then final weld
- Marked on shop drawings to distinguish fabrication vs erection stage welds
Key Applications
Building site steel connections, shipyard block assembly, plant piping field construction, bridge erection sequence, heavy equipment field repair