# IFC4.2 **URL:** https://forums.buildingsmart.org/c/developers/schema-ifc42/47.md [Latest](https://forums.buildingsmart.org/latest.md) · [Categories](https://forums.buildingsmart.org/categories.md) · [Tags](https://forums.buildingsmart.org/tags.md) --- ## [About the IFC4.2 category](https://forums.buildingsmart.org/t/about-the-ifc4-2-category/417)
**Author:** [@jwouellette](https://forums.buildingsmart.org/u/jwouellette)\ **Replies:** 0
This sub-category was created to discuss the draft of IFC4.2, which includes the new IfcBridge extensions. Please post a separate topic for each item or issue you wish to respond to. --- ## [IfcDeepFoundation (IFC4.2 Draft)](https://forums.buildingsmart.org/t/ifcdeepfoundation-ifc4-2-draft/641)
**Author:** [@alexroda](https://forums.buildingsmart.org/u/alexroda)\ **Replies:** 1\ **Last updated:** [June 8, 2021, 6:00am UTC](https://forums.buildingsmart.org/t/ifcdeepfoundation-ifc4-2-draft/641 "2021-06-08T06:00:06Z")
The IfcDeepFoundation abstract entity proposed in the IFC 4x2 DRAFT is included within IfcSharedBldgElements, however, this entity and its subtypes are specific to the domain of structural elements. It is my understandi… --- ## [IFC 4.2 Pset/Qto missing on new entities](https://forums.buildingsmart.org/t/ifc-4-2-pset-qto-missing-on-new-entities/2372)
**Author:** [@kevin.nahaboo](https://forums.buildingsmart.org/u/kevin.nahaboo)\ **Replies:** 0\ **Last updated:** [February 4, 2020, 9:22am UTC](https://forums.buildingsmart.org/t/ifc-4-2-pset-qto-missing-on-new-entities/2372 "2020-02-04T09:22:01Z")
Hello, IFC 4x2 introduce new spatial and physical elements. My question is why there is no Pset/Qto for following entities : Spatial entities : IfcFacility, IfcFacilityPart. Physical entities : IfcDeepFoundation, Ifc… --- ## [Bridge IFC file](https://forums.buildingsmart.org/t/bridge-ifc-file/2260)
**Author:** [@kevin.nahaboo](https://forums.buildingsmart.org/u/kevin.nahaboo)\ **Replies:** 1\ **Last updated:** [January 13, 2020, 10:32am UTC](https://forums.buildingsmart.org/t/bridge-ifc-file/2260 "2020-01-13T10:32:19Z")
Hello all, Is there any IFC4x2 file that can be share ? I would like to start testing the implementation of the IFC4x2 schema. Thank you. --- ## [Design Options + Units + Color](https://forums.buildingsmart.org/t/design-options-units-color/2006)
**Author:** [@ReD\_CoDE](https://forums.buildingsmart.org/u/ReD_CoDE)\ **Replies:** 9\ **Last updated:** [December 2, 2019, 12:58pm UTC](https://forums.buildingsmart.org/t/design-options-units-color/2006 "2019-12-02T12:58:53Z")
Does IFC4 support Design Options? Also, IfcColourRgb is based on 3 channels, Red, Green, Blue, in the range of 0.0 ... 1.0, so does it support some 4 channels technologies like WebGL? Also, does a range of 0.0 ..… --- ## [IFC & Data/Information](https://forums.buildingsmart.org/t/ifc-data-information/1930)
**Author:** [@ReD\_CoDE](https://forums.buildingsmart.org/u/ReD_CoDE)\ **Replies:** 0\ **Last updated:** [October 21, 2019, 11:27am UTC](https://forums.buildingsmart.org/t/ifc-data-information/1930 "2019-10-21T11:27:57Z")
Hi all, I clearly understand the logic behind the UserDefined to give enough freedom to the end-user (Convergence = Standardization & Divergence = Non-standardization) However, I think it’s the time to improve Psets, Q… --- ## [Does IFC support granular assets?](https://forums.buildingsmart.org/t/does-ifc-support-granular-assets/949)
**Author:** [@ReD\_CoDE](https://forums.buildingsmart.org/u/ReD_CoDE)\ **Replies:** 4\ **Last updated:** [August 5, 2019, 1:44pm UTC](https://forums.buildingsmart.org/t/does-ifc-support-granular-assets/949 "2019-08-05T13:44:25Z")
I’d like to know your opinion about the classification methodology I’ve started to develop and also the potential of IFC to support these kinds of granular assets. The main aim of this granular hierarchy is developing a… --- ## [Feedback on the IFC4.2 Draft](https://forums.buildingsmart.org/t/feedback-on-the-ifc4-2-draft/429)
**Author:** [@borrmann](https://forums.buildingsmart.org/u/borrmann)\ **Replies:** 8\ **Last updated:** [December 19, 2018, 11:11am UTC](https://forums.buildingsmart.org/t/feedback-on-the-ifc4-2-draft/429 "2018-12-19T11:11:38Z")
Dear International IFC community, The IFC-Bridge extension is ready for inspection. Please provide feedback on IFC 4.2 DRAFT in this forum until November 30th, 2018. You can find the schema and the HTML doc as well as t… --- ## [4.2 - Domain/ Extension/ Update etc](https://forums.buildingsmart.org/t/4-2-domain-extension-update-etc/588)
**Author:** [@hkgrani](https://forums.buildingsmart.org/u/hkgrani)\ **Replies:** 1\ **Last updated:** [November 15, 2018, 7:34am UTC](https://forums.buildingsmart.org/t/4-2-domain-extension-update-etc/588 "2018-11-15T07:34:52Z")
This question/ comment is more about how the 4.2 bridge release release fits into into the overall IFC 4.X story Looking in from the outside it is a bit hard to understand if the documentation package describes the “ful…