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| Element | Description | Element Code | Essential | Uniclass 2015 |
|---|---|---|---|---|
| Cover or Hatch | Means to allow or prevent access to a structure. Doors to buildings are covered separately. | CDR | No | Pr_30_59_36 |
Department for Environment Food & Rural Affairs
| Element | Description | Element Code | Essential | Uniclass 2015 |
|---|---|---|---|---|
| Cover or Hatch | Means to allow or prevent access to a structure. Doors to buildings are covered separately. | CDR | No | Pr_30_59_36 |