Example: Use control numbers to indicate the erection order

Last updated September 10, 2019 by Tekla User Assistance tekla.documentation@trimble.com

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Example: Use control numbers to indicate the erection order

Example: Use control numbers to indicate the erection order

This example shows how to assign control numbers to six concrete walls. As four of these walls have the same cast unit position, you cannot make a clear distinction between the cast units based on their position numberidentifier that is assigned to all similar parts, assemblies, cast units, or reinforcement

Position number consists of a prefix, separator, and running number. The prefix is part of the position number, identifying a numbering series. The running number is part of the position number, and is the assigned number in the numbering series, based on the start number. The separator is an optional character, such as a slash, that separates the prefix and the running number.

In Tekla Structures, the position numbers assigned in the numbering are shown in marks and templates, for example.

In the US, the term piece mark or ship mark is used to refer to a position number.

. That is why each wallplate that represents a structure such as a wall or roof panel

In Tekla Structures, a panel is created by picking two or more points.

In cast-in-place concrete the term wall refers to a concept similar to panel.

will get a unique identifier that indicates their erection order at the site. The erection order also affects the order of shipping. For example, the wall number 1 needs to be shipped on top of the delivery, because it will be erected first on the site; the wall number 2 should be the second on the bundle, because it will be erected next; and so on.

The following image represents the desired end result.

Erected as 1st

Erected as 2nd

Erected as 3rd

Erected as 4th

Erected as 5th

Erected as 6th

To assign control numbers to the concrete walls:

  1. On the Drawings & reports tab, click Numbering settings > Assign control numbers to open the Create control numbers dialog box.
  2. Select the six concrete walls.
  3. Define that you want to assign control numbers only to parts in the numbering seriesset of identifiers defined by the user, based on which Tekla Structures compares parts, assemblies, cast units, or reinforcement with each other during the numbering and gives position numbers

    Numbering series is defined by a prefix and a start number.

    The user can, for example, allocate separate numbering series to different phases or part types.

    S with the start numberfirst number of a numbering series


    1. In the Numbering list, select By numbering serie.
    2. In the Prefix box, enter S.
    3. In the Start number box, enter 1.
  4. Define that you want to use the numbers 1–6 as the control numbers for these concrete walls.
    1. In the Start number of control numbers box, enter 1.
    2. In the Step value box, enter 1.
  5. Define that you want to first number the walls with identical z coordinates in the order they appear in the positive x axis.
    1. In the First direction list, select Z.
    2. In the Second direction list, select X.
  6. Click Apply to save the changes.
  7. Click Create to number the concrete walls.

    Each concrete wall gets a unique control numberuser-defined attribute of an assembly or a cast unit that identifies the assembly or cast unit main part

    A control number does not affect numbering.

    Control numbers are running numbers.

    , as shown in the following image.


    If you cannot see the control numbers in the model, modify the display settings. For more information on the required settings, see Display control numbers in the model.

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