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Treating Redundancies

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The simplest case of a redundant link is a start-to-start (SS) or finish-to-finish (FF) link between two activities that are already finish-to-start (FS) connected. The more complex case of a redundant link is an SS link, FF link, or no-lag FS link connecting an activity to a successor, which, topology constant, cannot acquire a zero gap under any combination of durations and lags, because the successor is inevitably driven by a successor to the activity. The reverse of a redundant link is a valid link.

Redundant links can be hidden, displayed, faded, or shown. You can also tell if a link is redundant by opening its object property window. In the bottom left, it will display if it’s redundant or valid.

NOTE: Redundancy options through the menu bar are continually checked; rather, these are one-time operations, which must be done periodically as the schedule evolves.

Steps

All at once

  1. Click Objects > Redundant Links from the menu bar.
    1. To hide all redundant links on the canvas, click Hide.
    2. To show all redundant links on the canvas, click Show.
    3. To fade all redundant links on the canvas, click Fade.
    4. To spotlight all redundant links on the canvas, click Spotlight.

One-by-one

  1. Click Schedule > Open Layout Manager… from the menu bar.
  2. Click the down arrow next to the Statistics icon and choose Links.
    1. To spotlight a link on the canvas, select it in the list.
    2. To hide a redundant link on the canvas, check the box under the Hide column next to the link.
    3. To fade a redundant link on the canvas, check the box under the Fade column next to the link.
    4. To delete a redundant link on the canvas, select it in the list and click Delete.
  3. Click Save or Close to close the manager. The list will be saved automatically regardless.

 

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