 | None |
| Loose Cover |
| Manhole |
| Secured Cover |
| Secured Cover with Manhole |
| (other) | Value is not listed. |
| (unknown) | Value is unknown. |
| (unset) | Value has not been specified. |
| Name | Description | |||
|---|---|---|---|---|
| NONE |
| |||
| LOOSECOVER |
| |||
| MANHOLE |
| |||
| SECUREDCOVER |
| |||
| SECUREDCOVERWITHMANHOLE |
| |||
| OTHER |
| |||
| NOTKNOWN |
| |||
| UNSET |
|
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