New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function, and interaction of the LINEAR Solutions programs in Revit and LINEAR Building.
Preparing Building
Learn how architects prepare plans and models to create a building model for building analysis.
Pre-Concept Design
Learn how to collaboratively localize and dimension equipment rooms and how to create pipeline corridor concepts.
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
Dimensioning Components
Learn how to dimension radiators, convectors, panel heating and concrete core activation systems on the basis of the requirements analysis in LINEAR Building and manufacturer-specific.
Inserting Components
Learn how to insert components from the LINEAR CAD Browser, from the libraries and configurators of the library tab or from LINEAR Building into the model.
Constructing Networks
Learn how to create pipe and duct networks, design slots and openings and manage discipline-related reports and tasks.
Calculating Networks
Learn how to calculate pipe and duct networks.
Construction Design
Get information about the workflow Construction design in connection with pipe and duct networks.
- About Section/Delivery Lengths
  Explains the concept of Section/Delivery lengths.
  - Create Section Lengths
    Shows step-by-step how to divide ducts and pipes into section and delivery lengths.
  - Delete union
    Shows step-by-step how to recombine ducts or pipes divided into sections or delivery lengths.
  - Assigning Fitting Length
    Shows step by step how to assign a fitting length to an air duct.
  - Elongate Fitting
    Shows step-by-step how to replace remnants of branches or bends with elongated fittings.
  - Details on Section/Delivery Lengths
    Information about the Section/delivery lengths section.
- About Flanges
  Explains the concept of flanges in connection with pipes and pipe accessories.
- About Fixing
  Explains the concept of fixings for pipes and ducts.
- About Item Numbers
  Explains the concept of assigning item numbers to components.
- About e-KlimaX-Export
  Explains the concept of exporting air duct data to an xml file using the e-KlimaX export function.
- About Handover to Design 3D
  Explains the concept of transferring pipe and duct networks of a Revit model to the AutoCAD module LINEAR Design 3D Pipe&Power.
Labeling
Learn how to label section parts and components in the model.
Output
Get information about material compilation in LINEAR Building. You will also learn how to print or export calculation results and material lists in your CAD program.
Troubleshooting
Get information about possible sources of errors when working with LINEAR Solutions.

Delete union

Shows step-by-step how to recombine ducts or pipes divided into sections or delivery lengths.

Before you begin

You have divided a duct into section lengths or a pipe into delivery lengths and you want to remove the division.

Navigate to:

Project-tab ➤ Discipline Construction design ➤ Construction-tab

Initial situation:

Procedure

Open the Section/delivery lengths < section.
Click Delete union <.
Follow the instructions that appear.

Results

Name	Purpose	Lifetime	Type	Provider
CookieConsent	Saves your consent to using cookies.	1 year	HTML	Website
fe_typo_user	Assigns your browser to a session on the server.	session	HTTP	Website

Name	Purpose	Lifetime	Type	Provider
_ga	Used to distinguish users.	2 years	HTML	Google
_gat	Used to throttle request rate.	1 day	HTML	Google
_gid	Used to distinguish users.	1 day	HTML	Google
_ga_QTGLMF6700	Google Analytics cookie to throttle the request rate.	2 years	HTML	Google
_gcl_au	Used by Google AdSense to experiment with advertisement efficiency.	3 months	HTML	Google
_clck	Persists the Clarity User ID and preferences, unique to that site, on the browser. This ensures that behavior in subsequent visits to the same site will be attributed to the same user ID.	1 years	HTML	Microsoft
_clsk	Connects multiple page views by a user into a single Clarity session recording.	366 day	HTML	Microsoft
_uetsid	This is a tracking cookie used by Microsoft Bing Ads. It allows us to target a user who has visited our website before.	1 day	HTML	Microsoft
_uetvid	Used to track visitors across multiple websites to present relevant advertising based on the visitor's preferences.	390 day	HTML	Microsoft
ln_or	Registers statistical data on users’ behaviour on the website. Used for internal anyalyzes by the website operator.	1 day	HTML	LinkedIn

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Delete union

Before you begin

Navigate to:

Procedure

Results