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The plug-in addresses the issues of risk around information currency associated with the traditional import and export approach and keynote functionality. Notably, that frequent changes in the specification and the drawings means that the potential for the exported CAD and specification information to become out of date is high.

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Download the NBS Plug-in for Autodesk® Revit®


Drag-and-drop objects direct from NBS National BIM Library - Direct access to over 4,000 generic and proprietary objects and 45 manufacturers available on externallink. Drag and drop component objects straight into your model.

Synchronised design guidance - Benefit from direct access to the NBS guidance; maintained, specialist content equivalent to 10,000 pages of A4. Select an object in the model and the equivalent "general guidance" page in the NBS guidance displays, with information such as design principles, performance, health and safety, environmental and contractual issues.

Automatically create an outline specification - at a click of a button, create an outline specification from the design model. This will be synchronised with the model and highlight any objects that may not have been added.

Improved specification navigator - Once a specification is coordinated with the model. It is possible to continue to manage the links to the specification.

Improved object navigation - A report on the associated objects may be generated. Each associated object is clickable so it is possible to quickly locate the instances of this in the model.

Improved association report - Indicating what objects are not associated to a specification clause, which specification clauses may have been renamed and which objects have no classification. You're guided through the process of fixing these with quality assurance information such as which user renamed an item and when.

Combined IFC generation (Beta) - a chance to preview and feedback on a new IFC export that allows you to combine property sets from the linked specification clauses with the objects in the model.

Explore in more detail

The information in BIM

The resources panel within the NBS Plug-in for Autodesk® Revit® gives access to two essential sources of information.

The first is the ‘BIM Objects’ tab, which allows users to discover thousands of generic and manufacturer BIM objects from the free-to-use NBS National BIM Library. Once found, an object may be dragged and dropped into the project. All NBS objects contain references to the equivalent NBS specification clauses.

The NBS National BIM Library now contains generic objects for architects, landscape architects and service engineers. Objects from manufacturers are also being added at an impressive rate with objects from around 50 manufacturers already added within the last year.

Those users that subscribe to NBS specification software can also access the NBS technical guidance from within the context of Autodesk® Revit®. By selecting an object and then clicking to view the guidance, technical information on key design topics such as fire, security, accessibility and health + safety can all be accessed. Where office guidance notes have been added, these also may be viewed directly from the user’s design environment.


fig. 1. Drag and drop objects from NBS National BIM Library


fig. 2. The NBS National BIM Library, now with generic objects for service engineers

Specification annotations

All objects within the design can be linked to the project specification. Using the ‘associate with clause’ feature system objects (walls, floors...), component objects (doors, windows...), material objects (insulation, cladding...) and 2D objects (wall ties, concrete blocks...) can all be linked to their corresponding NBS specification clause.

When finding the correct specification clause, the user may toggle between the tree and list view or use the search functionality. Where an object is already classified, but the type is unknown, the user interface displays the relevant clauses from which the user may select.

All annotations use the parameters within the objects. This allows the annotations to be configured to an office’s drawing standards. It also allows these to be used in schedules and material take-offs.


fig. 3. The different types of clauses in the project specification are grouped by classification


fig. 4. Annotation of the various material layers is now easier

Specification viewer

NBS Create project specifications may be viewed by the Autodesk® Revit® user without the need to open or check-out an NBS Create licence. Multiple system specifications may be opened in the same viewer. Within each system, the viewer has a number of features, such as the ability to expand and collapse sub-sections, hide and display meta data, and internal and external hyper-linking.

If a user wishes to edit the specification, they can click the ‘Edit Clause’ button to open it within NBS Create.


fig. 5. A specification for a floor system within the NBS viewer


fig. 6. The hyperlinks within the viewer link to standards and other referenced documents

* Only available to subscribers of Construction Information Service (CIS) for NBS Building Regulations.

Coordinating project information

The user may check that all objects are correctly associated with NBS clauses in the linked project specification. The Association Report displays the status of all of relevant objects. Where a clause has been renamed or removed from the specification, this is highlighted to the user and there is functionality to help fix this.

The user may view each instance of an object in the model by clicking on the corresponding specification name.


fig. 7. Associated objects and their corresponding status may be viewed

Object authoring support

Where an office has their own BIM objects, the NBS Plug-in for Autodesk® Revit® may be used to add the specific NBS parameters required to enable integration with the specification. This may be done from library NBS references within the Autodesk® Revit® Family Editor.

Where NBS office masters are referenced then this allows specifications to be created from the model starting with partially complete NBS office master clauses.


fig. 8. Office BIM objects can have parameters added from NBS and office master clauses

Which NBS products work with the plug-in?

The plug-in will work with specification documents produced using NBS Create, NBS Building, NBS Landscape, NBS Scheduler and NBS Domestic Specification. This means that if you are a contractor who is a recipient of a specification document and is using the read only contractor version of NBS Create, you can enjoy some of the benefits of the plug-in too.

Download the plug-in

Download the NBS Plug-in for Autodesk® Revit®