BCLP-062- Revit Essentials -Model Layout and positioning

Building Model Creation

• Architectural Elements Design elements such as walls, windows, doors, and finishes.
• Structural Elements Components supporting the building's structure like beams, columns, and slabs.
• MEP Systems Mechanical, electrical, and plumbing systems integrated into the building model.
• Design Options Alternate design scenarios for comparison and decision-making.
• Custom Components (Revit Families) Tailored elements created to fit specific project requirements.

Modeling Views

·?????? Views essential for design and modeling stages.

·?????? Assist in visualizing and refining the building model.

·?????? Enable efficient navigation and manipulation during the design process.

Model Layout

Define Levels Establish vertical heights or stories within the building.

§? Utilize the Level tool for this purpose.

§? Each level serves as a reference for elements hosted at that level, e.g., roofs, floors, and ceilings.

§? Create levels for each story or necessary reference point within the building.

§? Adjust level extents to control visibility in specific views.

§? Level annotations can be hidden after addition.

Levels in Detail

·?????? Level Type Properties Adjustable properties via the Type Properties dialog.

·?????? Constraints

-?????? Elevation Base: Reference point for level elevation measurement.

·?????? Graphics

-?????? Line Weight: Thickness of the level line.

-?????? Color: Color of the level line.

-?????? Line Pattern: Pattern of the level line.

-?????? Symbol: Appearance of the level number.

·?????? Level Instance Properties

-?????? Modify to specify elevation, computation height, name, etc.

-?????? Parameters like Elevation and Computation Height are crucial for accurate modeling.

-?????? Other parameters include Story Above, Scope Box, Structural, Building Story, and Design Option.

·?????? Instance Property Modification

-?????? Adjust instance properties via the Properties palette.

-?????? Parameters like Elevation and Computation Height contribute to accurate modeling.

-?????? Building Story parameter aids in exporting to IFC.

-?????? Structural identification and Design Option indication are other key properties.

Grids in Revit

Grid Placement

·?????? Column Grid Lines: Placed using the Grid tool.

·?????? Serve as reference lines for aligning architectural and structural elements.

·?????? Allow for the systematic organization of the building design.

Key Grid Features

·?????? Extents Adjustment: Draggable in elevation views to avoid intersection with level lines.

·?????? Enables control over grid visibility in new plan views.

Grid Types and Properties

·?????? Straight, Arc, or Multi-segmented: Flexibility in grid line shapes.

·?????? Type Properties:

·?????? Modify via the Type Properties dialog.

·?????? Changes apply to all instances in the project.

·?????? Parameters include:

o?? Symbol: End symbol display options.

o?? Center Segment: Style and customization options.

o?? End Segment: Weight, color, and pattern specifications.

o?? Plan View Symbols: Settings for bubble display in plan views.

o?? Non-Plan View Symbols: Bubble display settings for non-plan views.

Instance Property Modification

·?????? Grid Instance Properties:

o?? Allow for individual grid line customization.

o?? Parameters include:

§? Center Mark Visibility: Display of center mark for arc grid lines.

§? Name: Numeric or alphanumeric value for identification.

§? Design Option: Indication of the design option in which grid lines display.

§? Scope Box: Application of scope box for visibility control.

Positioning in Revit

About Coordinate Systems

·?????? Coordinate Systems in Revit Revit uses two primary coordinate systems - survey coordinate system and project coordinate system.

Survey Point

·?????? Establishes orientation in a survey coordinate system.

·?????? Useful for establishing shared coordinates when linking multiple models.

Project Base Point

·?????? Provides a reference for measurements and positioning within the model.

·?????? Specific to the current project.

Geographic Location

·?????? ?Specifies the model's real-world position using global coordinates.

True North

·?????? Sets the real-world north direction based on site conditions.

Project North

·?????? Aligns with the predominant axis of the building geometry.

·?????? Affects sketching and placement on sheets.

About Coordinate Systems

Survey Coordinate System

·?????? Describes real-world locations on the Earth's surface.

·?????? Handled outside the context of a project.

·?????? Often uses standardized systems like latitude and longitude or XYZ coordinates.

Project Coordinate System

·?????? Describes locations relative to the building model.

·?????? Specific to the current project.

·?????? Originates from the project base point within the model.

Internal Origin

·?????? Starting point for the internal coordinate system.

·?????? Basis for both survey and project coordinate systems.

·?????? Never moves within the model.

About the Geographic Location

·?????? Specifies the model's real-world position.

·?????? Utilized for positioning models relative to each other.

·?????? Used in generating location-specific shadows and weather information.

About Project North and True North

Project North

·?????? Aligned with the predominant axis of building geometry.

·?????? Used for sketching and easy design placement.

True North

·?????? Reflects real-world north direction based on site conditions.

·?????? Essential for accurate solar studies, rendering, and energy analysis.

Positioning Links and Imports

·?????? Align by internal origin for consistency.

·?????? Choose between Auto or Manual positioning options.

Spot Coordinates

·?????? Specify relative to survey point, project base point, or internal origin.

Maximum Distance Limit

·?????? Ensure model geometry stays within 16 kilometers of the internal origin.

·?????? Exceeding this limit may affect reliability and graphical representation.

Project Base Point

·?????? Use as a reference for measurements and positioning.

·?????? Pin it in place to prevent inadvertent movement.

Survey Point

·?????? Provides real-world context for the model.

·?????? Pin it to prevent accidental movement.

?BIMLABS Continual Learning Program

Attend the Questionnaire in the Given and link and win BCLP Credit Points to won Certifications and Course Vouchers

Questionnaire Link : https://forms.gle/BbLEUQfM1TCJrUav5

To get BCLP- ID : [email protected] | https://wa.link/s0pxbn | +91 97464 44064

Prepared by : Shiju Sasidharan, Sujisha V and BIMLABS Global Research Institute.

References :?

·??????? Autodesk Revit Help Documentation

·??????? Google , Gemini , ChatGPT and Respective Websites

Details and Benefits to Participate in? BIMLABS Continual Learning Program -BCLP? :

BIMLABS Continual Learning Program (BCLP) - BIMLABS Global

About BIMLABS Research Institute :? About BRI- BIMLABS Research Institute

Visit BIMLABS Global : www.BIMLABSglobal.com

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