There are four Layers that affect Typical Groups:
1 - The Takeoff Item's Individual Layer
Just like any other takeoff the takeoff inside the Typical Group Frame and displayed at the Typical Group Marker responds to the state of a Takeoff Item's Show-Hide control in the Takeoff Items Pane.
2 - The Layers to which the Takeoff Item is Assigned
Each Takeoff Item used to draw the takeoff within the Typical Group Frame can be assigned to a Layer (or will be on the "Takeoff" Layer).
Just like any other takeoff the takeoff inside the Typical Group Frame and displayed at the Typical Group Marker responds to the state of a Layer to which a Takeoff Item is assigned.
However, if the Layer to which the Typical Group itself is hidden all takeoff associated with the Typical Group is hidden regardless of the "show" state for individual Takeoff Items or Layers.
3 - The Layer to which the Typical Group Itself is assigned
The Layer to which you assign the Typical Group (in the Typical Group Properties dialog box) controls the Typical Group Markers throughout the bid. Showing or hiding this Layer shows or hides the Markers and the takeoff associated with each Marker (unless you are already hiding this by right-clicking on a Typical Group and selecting "Hide Takeoff at Markers..."
4 - The Typical Groups Layer
This is a System Layer to which all Typical Group Frames are assigned. Showing or Hiding this Layers shows-hides all Typical Groups Frames but does not affect their associated takeoff throughout the bid.
The takeoff still displays both where the Typical Group Frame is located and where each Typical Group Marker is placed.
 How Bid Areas Work When Using Typical Groups | Takeoff You Should Never Include in a Typical Group  |
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