Increment offsets may be used to force a minimum or maximum vertical lag between phases.

Every bench at elevation (E) in the Successor stage is made dependent on the bench at elevation (E+Offset) in the Predecessor stage. Offsets may be positive or negative.

To add an Increment Offset:

Press the clipboard icon to add a new rule group.
Rename the rule group (i.e. mining rules, backfill rules, land-bridge rules).
Using the tree hierarchy on the right, select the successor record and double click on the predecessor.
Set the Vertical Offset in metres:
- Negative to keep the successor elevated over the predecessor
- Positive to keep the predecessor elevated over the successor
Verify the dependencies in the Preview panel.

Example of a 20 metre vertical lag between stages.

Cross-section showing the effects of Vertical Offsets on Stages.

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