24
12/4/2008 - 3:00 pm - 4:30 pm Room:Lando 4205 (AEC) Custom Stairs and Railings in Revit® Architecture Attendees will learn how to create families for posts, balusters, panels, railings, and stair nosing. Focusing on design for high-end commercial and residential projects, this class will dive directly into the use of the Family Editor to physically build the components needed. Once the families are established, the class will move to Assembly in the project to expose the difficulties designers face. The commercial portion of the class will cover extruded steel with glass panels; the residential portion will cover custom handrails and raised panels. You’ll also learn how to design winding and spiral staircases, as well as how to create custom materials with wood hatching that you can apply to the stair components to give the stairs and railings your personal touch. AB314-3 About the Speaker: Patrick Davis, Assoc. AIA - , HNTB Architecture, Inc. Todd Williams (Co-Speaker) and Todd Williams Todd is a CAD/BIM Manager for HNTB Architecture located in Kansas City, Mo. With 13 years of experience, he is an expert in the deployment and implementation of AutoCAD Architecture. He has worked on and help support a wide variety of projects and project teams from sports stadiums, laboratories and mixed use commercial. He is skilled in project workflow and proper project creation and execution through the use of Project Navigator. Stay Connect with AU all year at www.autodeskuniversity.com r

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Page 1: AB314 3 Custom Stairs and Railings in Revit Architecture

12/4/2008 - 3:00 pm - 4:30 pm Room:Lando 4205 (AEC)

Custom Stairs and Railings in Revit® Architecture

Attendees will learn how to create families for posts, balusters, panels, railings, and stair nosing. Focusing on design for high-end commercial and residential projects, this class will dive directly into the use of the Family Editor to physically build the components needed. Once the families are established, the class will move to Assembly in the project to expose the difficulties designers face. The commercial portion of the class will cover extruded steel with glass panels; the residential portion will cover custom handrails and raised panels. You’ll also learn how to design winding and spiral staircases, as well as how to create custom materials with wood hatching that you can apply to the stair components to give the stairs and railings your personal touch.

AB314-3

About the Speaker:

Patrick Davis, Assoc. AIA - , HNTB Architecture, Inc.Todd Williams (Co-Speaker)and

Todd WilliamsTodd is a CAD/BIM Manager for HNTB Architecture located in Kansas City, Mo. With 13 years of experience, he is an expert in the deployment and implementation of AutoCAD Architecture. He has worked on and help support a wide variety of projects and project teams from sports stadiums, laboratories and mixed use commercial. He is skilled in project workflow and proper project creation and execution through the use of Project Navigator.

Stay Connect with AU all year at www.autodeskuniversity.comr

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STAIRS

�Below�is�an�outline�of�all�the�parameters�available�to�you�when�creating�and�editing�stairs�along�with�a�brief�description�of�parameters.��UI�/�Understanding�the�Dialog�Boxes�INSTANCE�PROPERTIES��Constraints��Base�Level���Sets�the�level�at�which�the�stairs�start.��Base�Offset���Sets�the�height�of�the�stairs�from�the�base�level.�Use�a�negative�number�to�start�below�the�level�and�a�positive�to�begin�above�the�level.�Top�Level���Sets�the�top�of�the�stairs�where�the�stairs�stop.��Top�Offset���Sets�the�offset�of�the�stairs�from�the�top�level.�Use�a�negative�number�to�finish�below�the�level�and�a�positive�to�finish�above�the�level.�Multistory�Top�Level���Sets�the�top�of�the�stairs�in�a�multi�story�building.�The�advantage�to�using�this�parameter�(as�opposed�to�sketching�individual�runs)�is�that�if�you�change�the�railing�on�one�run,�that�railing�is�changed�on�all�the�runs.�Also,�if�you�use�this�parameter,�the�project�file�size�does�not�change�as�significantly�as�it�would�if�you�sketched�individual�runs.�Note�that�the�levels�in�the�multi�story�building�MUST�be�a�uniform�distance�apart.���Graphics�Up/Down�Text���Sets�the�text�for�the�Up/Down�symbol�in�plan.�The�default�is�UP/DN.���Up/Down�Label/Arrow���Displays�or�hides�the�Up/Down�label�and�arrow�in�plan.���Show�Up�arrow�in�all�views���Displays�the�Up�arrow�in�all�project�views.���Dimensions��Width���Width�of�the�stairs.��Desired�Number�of�Risers���The�number�of�risers�is�calculated�based�on�the�height�between�levels.��Actual�Number�of�Risers���Normally,�the�same�as�Desired�Number�of�Risers.�However,�it�may�be�different�if�you�do�not�complete�adding�the�correct�number�of�risers�for�the�given�run�of�the�stairs.�This�is�a�read�only�value.���

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Actual�Riser�Height���Displays�the�actual�riser�height.�The�value�is�equal�to�or�less�than�the�value�specified�in�Maximum�Riser�Height.�This�is�a�read�only�value.���Actual�Tread�Depth���You�can�set�this�value�to�change�the�tread�depth�without�having�to�create�a�new�stair�type.�Also,�the�Stair�Calculator�can�change�this�value�to�satisfy�the�stair�equation.����Identity�Data��Comments���Specific�comments�on�the�staircase.�This�information�will�show�up�on�the�stair�schedule.��Mark���A�label�created�for�the�stairs.�This�value�must�be�unique�for�each�staircase�in�a�project.���Phasing��Phase�Created���The�phase�when�the�stairs�were�created.��Phase�Demolished���The�phase�when�the�stairs�were�demolished.������

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TYPE�PROPERTIES��Construction��Extend�Below�Base���Extends�stringers�below�the�base�level�of�the�stair.�This�is�useful�for�cases�where�the�stringer�attaches�to�the�face�of�a�floor�opening�rather�than�resting�on�the�surface�of�a�floor.�To�extend�the�stringer�below�the�floor,�enter�a�negative�number.���Monolithic�Stairs���Specifies�that�the�stairs�are�to�be�made�of�one�material.��Landing�Overlap���Enabled�when�stairs�are�set�to�monolithic.�When�a�monolithic�stair�has�a�winder,�the�bottom�of�the�stair�can�be�a�smooth�shape�or�stepped.�If�it�is�stepped,�this�parameter�controls�the�distance�between�the�riser�face�and�the�vertical�face�of�the�corresponding�step�on�the�underside.��Underside�of�Winder���Enabled�when�stairs�are�set�to�monolithic.�If�a�monolithic�stair�has�a�winder,�the�bottom�of�the�stair�can�be�a�smooth�shape�or�stepped.���Graphics��Break�Symbol�in�Plan���Specifies�whether�the�cutline�of�the�stairs�in�plan�view�has�a�break�line.��Text�Size�and�Text�Font���Changes�the�size�and�font�of�the�UP�DN�symbol�in�a�plan�view.����Materials�and�Finishes��Tread�(Riser,�Stringer�and�Monolithic)�Material�–�This�controls�the�material�used.�Click�the�button�to�open�the�Materials�dialog.���Treads��Minimum�Tread�Depth���Sets�the�initial�value�for�the�Actual�Tread�Depth�instance�parameter.�If�Actual�Tread�Depth�value�exceeds�this�value,�Revit�Architecture�issues�a�warning.���Tread�Thickness���Sets�the�thickness�of�the�tread.���Nosing�Length����Specifies�the�amount�of�the�tread�depth�that�overhangs�the�next�tread.���Nosing�Profile����The�profile�for�a�sweep�added�to�the�front�of�the�tread�(predefined�profiles).���Risers��Maximum�Riser�Height���Sets�the�maximum�height�of�each�riser�on�the�staircase.��Begin�with�Riser���If�selected,�Revit�Architecture�adds�a�riser�to�the�beginning�of�the�stairs.�If�you�clear�the�check�box,�the�beginning�riser�is�removed.�Note�that�you�may�receive�a�warning�about�actual�number�of�risers�exceeding�the�desired�number�of�risers�if�you�clear�this�check�box.�To�resolve�this,�either�select�End�with�Riser�or�change�the�desired�number�of�risers.���End�with�Riser���If�selected,�Revit�Architecture�adds�a�riser�to�the�end�of�the�stairs.�If�you�clear�the�check�box,�Revit�Architecture�removes�the�end�riser.��Riser�Type���Creates�straight�or�slanted�risers,�or�no�riser.���Riser�Thickness���Sets�the�thickness�of�the�riser.���

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Riser�to�Tread�Connection���Switches�the�connection�of�the�riser�and�tread�in�relation�to�each�other.�The�riser�can�extend�behind�the�tread,�or�the�tread�can�extend�under�the�riser.����Stringers��Trim�Stringers�at�Top���Trim�Stringer�at�Top�affects�the�top�end�of�stringers�on�a�stair’s�run.�If�you�select�Do�Not�Trim,�the�stringer�is�cut�with�a�single�vertical�cut�resulting�in�a�point�at�the�top.�If�you�select�Match�Level,�the�stringer�is�curt�horizontally,�making�the�top�of�the�stringer�flush�with�the�top�level.�If�you�select�Match�Landing�Stringer,�a�horizontal�cut�is�made�at�the�same�height�as�the�stringer�top�on�landings.�To�see�the�effects�of�this�parameter�clearly,�you�may�want�to�clear�the�check�box�for�End�with�Riser.���Right/Left�Stringer���Sets�the�type�of�stringer�for�the�right/left�side�of�the�stairs.�None�means�there�is�no�stringer.�A�closed�stringer�encases�the�treads�and�risers.�An�open�stringer�exposes�the�treads�and�risers.���Middle�Stringers���Sets�the�number�of�stringers�that�appear�underneath�the�stairs�between�the�left�and�right�of�the�stairs.���Stringer�Thickness���Sets�the�thickness�of�the�stringers.���Stringer�Height����Sets�the�height�of�the�stringers.���Open�Stringer�Offset���Enabled�when�the�stairs�have�an�open�stringer.�Moves�an�open�stringer�from�side�to�side.�For�example,�if�you�offset�an�open�right�stringer,�it�moves�toward�the�left�stringer.���Stringer�Carriage�Height���Allows�you�to�control�the�relationship�between�side�stringers�and�treads.�If�you�increase�the�number,�the�stringer�moves�down�from�the�treads.�Treads�do�not�move.�Railings�do�not�change�height�relative�to�treads,�but�balusters�extend�down�to�meet�the�stringer�top.�This�height�is�measured�from�the�tread�end�(lower�corner)�to�the�bottom�side�of�the�stringer,�perpendicular�to�the�stringer.���Landing�Carriage�Height���Allows�stringers�to�have�a�different�height�relationship�to�landings�than�they�do�to�sloped�runs.�For�example,�it�lowers�a�horizontal�stringer�toward�a�landing�on�u�shaped�stairs.����Identity�Data��Type�Mark���A�value�to�designate�the�particular�stairs.�Useful�if�you�need�to�identify�more�than�one�set�of�staircases.�This�value�must�be�unique�for�each�stairway�in�a�project.�Revit�Architecture�warns�you�if�the�number�is�already�used�but�allows�you�to�continue�using�it.�(You�can�see�the�warning�using�the�Review�Warnings�command).�Keynote���Add�or�edit�the�stairs�keynote.�Click�in�the�value�box�to�open�the�Keynotes�dialog.�See�Keynotes.��Model���The�model�type�for�the�stairs.��Manufacturer���Manufacturer�for�the�stair�materials.��Type�Comments���Specific�comments�on�the�stair�type.��URL���A�link�to�a�web�page�for�the�manufacturer�or�other�appropriate�link.��Description���A�description�for�the�stairs,�such�as�circular.��Assembly�Description���Description�of�the�assembly�based�on�the�assembly�code�selection.��Assembly�Code���Uniformat�assembly�code�selected�from�hierarchical�list.��Cost���Material�cost.���

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Calculation�Rules���Use�the�stair�calculator�to�calculate�the�tread�depth�of�stairs.�The�calculator�applies�a�common,�rule�of�thumb�formula,�for�example,�a�formula�specified�in�the�Architectural�Graphic�Standards.�Before�using�the�stair�calculator,�specify�values�for�the�minimum�tread�depth�and�maximum�riser�height.�Rule�of�thumb�formula���for�interior�stairs,�as�specified�in�the�Architectural�Graphic�Standards.��Riser�+�Tread�=�17.5�inches:�7.5�inches�for�the�riser�height;�10�inches�for�the�tread�depth.�Riser�*�Tread�=�75�inches.�2(Riser)�+�Tread�is�greater�than�or�equal�to�24�inches�(minimum�threshold)�or�less�than�or�equal�to�25�inches�(maximum�threshold).�

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RAILINGS��Below�is�an�outline�of�the�parameters�that�control�railings�with�a�brief�description.���UI�/�Understanding�the�Dialog�Boxes�INSTANCE�PROPERTIES��Constraints��Base�Level���Sets�the�base�level�for�the�railing.�You�can�change�this�value�to�any�level�in�the�project.���Base�Offset���Offsets�the�railing�to�a�specified�distance�above�or�below�the�base�level.����Dimensions��Length���The�actual�length�of�the�railing.����Identity�Data��Comments���Comments�on�the�railing.��Mark���A�mark�applied�to�a�railing.�This�can�be�a�label�that�appears�in�a�multi�category�tag�with�the�railing.�For�complete�information�about�multi�category�tagging�and�setting�up�shared�parameters,�see�Shared�Parameters.���Phasing��Phase�Created���The�phase�when�the�railing�was�created.�See�Creating�Phases.���Phase�Demolished���The�phase�when�the�railing�was�demolished.�See�Demolishing�Elements.�����������

��������

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���TYPE�PROPERTIES��Construction��Railing�Height���The�height�of�the�top�most�rail�in�the�railing�structure.��Rail�Structure���Opens�a�separate�dialog�where�you�set�the�number�of�rails,�height,�offset,�material,�and�profile�family�(shape)�for�each�rail.�See�Modifying�Railing�Structure.��Baluster�Placement���Opens�a�separate�dialog�where�you�define�baluster�patterns.�See�Controlling�Placement�of�Balusters�and�Posts.��Baluster�Offset���Offsets�the�balusters�from�the�rail�sketch�line.�By�setting�a�value�for�this�property�and�rail�offsets,�you�can�create�different�combinations�of�rails�and�balusters.���Use�Landing�Height�Adjustment���This�parameter�controls�the�height�of�railings�at�landings.�If�set�to�No,�railings�at�landings�use�the�same�height�as�they�do�over�stair�runs.�If�set�to�Yes,�the�railing�height�is�adjusted�up�or�down�by�the�amount�set�for�Landing�Height�Adjustment.�To�get�smooth�railing�connections,�set�the�Tangent�Joins�parameter�to�Extend�Rails�to�Meet.���Landing�Height�Adjustment���Raises�or�lowers�the�height�of�the�railing�from�the�value�indicated�in�the�Railing�Height�parameter�at�intermediate�or�top�landings.���Angled�Joins���If�2�railing�segments�meet�at�an�angle�in�plan�but�do�not�connect�vertically,�Revit�Architecture�can�add�vertical�or�horizontal�segments�to�create�a�join�or�add�no�connector,�leaving�a�gap.�This�can�be�used�to�create�a�continuous�railing�where�the�start�of�a�stair�run�leading�up�from�a�landing�cannot�be�displaced�by�one�tread�width.�Join�methods�can�be�overridden�on�an�connection�by�connection�basis.�See�Modifying�Railing�Joins.��Tangent�Joins���If�2�tangent�railing�segments�are�collinear�or�tangent�in�plan�but�do�not�connect�vertically,�Revit�Architecture�can�add�vertical�or�horizontal�segments�to�create�a�join,�extend�segments�to�meet,�or�add�no�connector�leaving�a�gap.�This�can�be�used�to�create�a�smooth�junction�when�the�railing�height�is�modified�at�a�landing�or�the�railing�turns�out�at�the�bottom�of�a�stair.�Join�methods�can�be�overridden�on�a�connection�by�connection�basis.�See�Modifying�Railing�Joins.��Rail�Connections���When�connections�are�made�between�railing�segments,�Revit�Architecture�tries�to�create�mitered�joins.�If�it�cannot�make�a�mitered�join,�then�segments�can�be�trimmed,�which�means�they�are�cut�with�a�vertical�plane,�or�they�can�be�welded,�which�means�they�are�joined�in�a�manner�as�close�to�a�miter�as�possible.�Welded�connections�work�best�for�circular�rail�profiles.���Identity�Data��Keynote���Add�or�edit�the�railing�keynote.�Click�in�the�value�box�to�open�the�Keynotes�dialog.�See�Keynotes.��Model���Defines�the�railing�model.��Manufacturer���Defines�the�railing�manufacturer.��

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Type�Comments���Railing�comments.��URL���Sets�applicable�URL.��Description���Railing�description.��Assembly�Description���Description�of�the�assembly�based�on�the�assembly�code�selection.��Assembly�Code���Uniformat�assembly�code�selected�from�hierarchical�list.��Type�Mark���Sets�the�railing�type�mark.��Cost���Railing�cost.�

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Relationship�of�railings�to�stairs��

�������

� Railing�is�hosted�by�the�stair.��� Railing�behaves�independently�of�the�stringer.��� Closed�stringer:�stringer�goes�on�the�outside�of�stair.��� Open�stringer:�stringer�goes�underneath�the�stair.�� Width�of�the�stair�does�NOT�change.�

�����

���Railing�will�always�update�as�changes�are�made�to�the�stair.�

� Once�the�sketch�of�the�railing�has�been�edited�then�the�rail�will�not�read�changes�made�to�stair.��Baluster�placement:��Click�on�railings�and�go�to�its�Type�Properties���Baluster�Placement�Specify� how�many�

balusters�per�tread�you�want�to�use�and�

Revit�will�do�the�math�to�figure�out�the�spacing.����������

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Tips�and�Tricks:��

� How�to�set�the�default�railing.��Before�you�draw�the�stair,�go�to�the�Modeling�tab���Railing�tool;�start�railing�tool�and�go�the�Railing�properties.�The�railing�specified�there�will�be�used�in�the�stair�if�you�specify�to�use�the�default�railing.��

�� How�to�draw�railings�from�scratch.�

Draw�railing.��Click�Set�Host�and�pick�stair.��Be�sure�that�rail�is�within�the�stair�boundry.�Change�Baluster�Offset�and�Rail�Structure�in�Type�Properties�window.��Insert�railings�and�customize�Profile.�

�� How�to�attach�a�railing�to�a�stair.�

You�can�draw�a�railing,�then�click�on�Set�Host�and�pick�the�stair.��

� Railings�are�system�families�so�you�can�copy�and�paste�the�railings�created�to�different�projects.�You�can�either�transfer�project�standards�or�find�the�railing�family�and�Copy�to�Clipboard.��

��General�Practices:���

� Stair�goes�uphill�from�the�way�you�draw�it.�

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CONSTRAINTS��The�Base�Level�is�the�level�that�will�be�used�to�start�the�stair.�The�Top�Level�is�where�Revit�will�stop�building�the�stairs.��

������

�You�can�adjust�the�distance�away�from�the�level�that�will�be�used�to�start�the�stair.�Enter�the�desired�distance�in�the�Base�Offset�tab.��

You�can�also�adjust�the�distance�away�from�the�top�level�by�entering�the�desired�distance�in�the�Top�Offset�tab.��������

��������

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The�Multistory�Top�Level�is�the�upper�most�level�at�which�the�multi�story�stair�will�finish.�All�the�floors�between�the�lowest�level�and�the�upper�most�level�MUST�be�equal.������������������

There�are�many�advantages�to�using�this�parameter:��1.�If�you�change�the�railing�on�one�run,�that�railing�is�changed�on�all�the�runs.��2.�The�project�file�size�does�not�change�as�significantly�as�it�would�if�you�sketched�individual���������runs.��

�������������������������

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�GRAPHICS�

�In�order�for�the�Up/Down�Text�to�show�up�you�have�to�check�the�Up/Down�label�box�within�the�Element�properties�dialog��boc.������

��

��In�order�for�the�Up/Down�Arrow�to�show�up�you�have�to�check�the�Up/Down�arrow�box.���This�display�is�controlled�by�a�yes/no�visibility�parameter.����

������

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�Type�Properties�Construction�

�������������

��You�have�to�enter�a�value�in�the�Extend�Below�Base�box�in�order�to�extend�the�stringers�below�the�base�level�of�the�stair.�This�is�useful�for�cases�where�the�stringer�attaches�to�the�face�of�a�floor�opening�rather�than�resting�on�the�surface�of�a�floor.�To�extend�the�stringer�below�the�floor,�enter�a�

negative�number.����

��������������

���To�create�a�stair�that�is�made�out�of�one�material�check�the�Monolithic�Stairs�box.���

���

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����When�a�monolithic�stair�has�a�winder,�the�bottom�of�the�stair�can�be�a�smooth�shape�or�stepped.�If�it�is�stepped,�this�parameter�controls�the�distance�between�the�riser�face�and�the�vertical�face�of�the�corresponding�step�on�the�underside.�The�Landing�Overlap�is�enabled�when�stairs�are�set�to�monolithic.�To�choose�whether�the�bottom�of�the�stair�is�a�smooth�shape�or�stepped,�make�your�selection�in�the��

Underside�of�Winder�box.���

���������������

��Click�the�Tread�(Riser,�Stringer�and�Monolithic)�Material�button�to�open�the�Materials�dialog.�This�where�you�can�choose�not�only�the�material�but�also�the�surface�and�cut�

pattern.�������

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��

�Treads����You�can�set�the�thickness�of�the�tread�in�the�Tread�Thickness�box.��������

��

���������

���You�can�specify�the�amount�of�the�tread�depth�that�overhangs�the�next�tread�in�the�Nosing�Length�box.�������

����

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�����������

��You�can�load�a�predefined�profile�from�the�library�and�use�it�for�a�sweep�added�to�the�front�Nosing�Profile�of�the�tread�to�create�a�rounded�edge.���If�you�want�to�display�the�nosing�profile�not�only�on�the�front�but�also�on�the�left�and�right�of�the�tread,�then�you�

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Custom Stairs and Railings in Revit Architecture

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