By Allan
For my concrete plan and elevations what lines and codes should I use for concrete joints? Joints can be shown as follows:
| Joint type | Abbreviation | Linetype |
| Construction joint—general | CJ |  |
| Construction joint—straight | CJ(S) |  |
| Construction joint—dowelled | DCJ |  |
| Construction joint—keyed | KCJ |  |
| Isolation joint | IJ |  |
| Contraction joints—keyed | KJ | |
| Contraction joints—dowelled | DJ | |
| Contraction joints—sawn or trowelled joint | SJ |  |
| Expansion joints —dowelled | DEJ | |
| Expansion joints —keyed | KEJ | |
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