Wednesday, September 30, 2009

004-Issues encountered for revit BIM

1. Library for revit?
http://revit.autodesk.com/library/html/index.html
http://www.revitobjects.com/RevitLibrary/Default.aspx
http://www.revitcity.com/downloads.php
http://revitfactory.com/
2. Teaming/grouping
For small projects, recommended grouping into 3groups :
1.Site 2.Building 3.Façade

Notes:
Revit elements are divided into Model / Datum / View Specific Items
Work flow:
Concept>Dev control > working group > submission

Rte = dwg
Rvt = dwf

3. How to create site information? Concrete, planting strip, driveway, lot lines?
Property lines and offset property lines

4. How to import the library in?
Transfer project standards > select items to copy > railing.rvt

5. How to create shading through railing?
2nd level> railing > create railing path > pick lines > finish railing > modify railings > convert to xxx.rvt

6. How to change levels of railing?
Levels to be change through element properties > base offset


7. How to import wall elements?
Manage > transfer project standards

8. How to create floor slabs?
Modify Floors > Instant properties > materials > edit assembly

9. How to join floor to wall?
Modify > Edit Geometry > Join

10. How to change lineweight?
Manage > Settings > Object Styles

11. How to create beam?
Home > structural beam > place Beam > Load Beam > structural > Framing > Concrete > M_Concrete-Rectangular Beam
[Warning will be out if no structural Elements]

12. How to create stairs?
Home > Stairs > Create stairs sketch > instance properties > type [In-situ concrete 150mm waist]
Edit Type [to monitor maximum height minimum thread] > draw risers [indication will be shown]
Edit Sketch [to modify landing etc]

13. How to connect railings?
Create additional railings at joint. Edit railing Path to monitor

14. How to create concrete roofing?
Roof Level > Home > Roof > roof by footprint > uncheck defines slope [ can specify overhang ] > instance properties > Edit Assembly [ add layers/detailing / to the floor slab & check variables with sloping layer] > Draw > Modify sub Elements

15. How to create different texture on roofing?
Modify > Paint

16. How to attach wall to slab?
Select items > Modify wall > attach [check base] > select floor

17. How to create parapet copping?
File> new family > Select Template File > Metric Profile-Hosted.rtf > create > Line > save > load into project
Then go to instance properties of project
Edit Assembly > View : Section : Modify type > Sweep >

18. How to create area schedule?
Home > Room &Area > Place Room > Legend > Choose Space (choose none) > Edit scheme >create new type click the icon
View > Schedule > schedule/Quantities > Category > room schedule > schedule properties > add to scheduled fields

19. How to calculate ventilation ratio?
View > schedule > schedule quantities > view schedule > category room > room > properties of the room > add > calculated value (added item)
[renaming can be done through]
Schedule Properties > schedule fields (add items) > calculated value (Volumn/ floor area )

20. Area calculation is done through the room icon, middle wall?
Selections can be done when command in use.

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