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Bentley Software

OpenSite Designer

OpenSite Designer

Regular price $3,644.00 AUD
Regular price Sale price $3,644.00 AUD
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Win bids, jump-start new projects, and produce site designs with confidence

OpenSite Designer is an application designed to address all aspects of site design, engineering, and land development. OpenSite Designer also includes OpenSite SITEOPS, so you can quickly identify constraints early, understand financial implications and project feasibility, and produce optimized solutions to meet your client’s needs.

Whether your land development project is commercial, residential, or industrial; easily work with other project stakeholders to meet demands from survey to plan production. And you can ensure data-rich BIM deliverables to help you advance BIM workflows in a digital twin authoring environment while also creating all traditional and digital design deliverables.

Develop site designs quickly

Create and optimize multiple design scenarios in days, not weeks, for commercial, industrial, residential, and campus projects. Using auto-drawing capabilities and dynamic 3D modeling, conceptualize and detail building pads, parking lots, sidewalks, streets, and other design features. Ensure high-quality design deliverables with automated production of drawings using design constraints, design-time visualization, dynamic annotation, and automated plan production based on the live model. As the design changes, the multidiscipline documentation sets are automatically updated.  And ensure data-rich BIM deliverables to help advance BIM workflows in a digital twin authoring environment while also creating all traditional and digital design deliverables.

Design in context

Understand existing conditions, accelerate modeling workflows, and make better design decisions by easily integrating point clouds, reality meshes, photogrammetry, total station surveys, and terrain into design and construction models.

Optimize earthwork and site layout

Investigate site layout options quickly with parametric drawing capabilities of parking lots, buildings, drives, and walkways. Design changes are easy due to dynamic interaction of elements. Next, optimize earthwork using a grading solver that runs thousands of iterations based on designer-defined constraints to find the best cost of construction. Evaluate results and respond to project stakeholder feedback quickly.

Analyze feasibility of parcel layout and grading

Use automated parcel layout and grading tools to identify project risks associated with earthworks, zoning, and client requirements.

Download Product Data Sheet

Technical Capabilities

Integrated CAD Capabilities

  • Integrate data with MicroStation, ProjectWise, OpenBuildings, OpenFlows, LumenRT, and other Bentley applications
  • Support for managed workspaces
  • Works across references files
  • Include other engineering data (e.g. drainage) as referencing it to the DGN model
  • Utilize an unlimited number of federated reference files
  • Create and edit CAD elements
  • Read and write to DGN and DWG files
  • Supports design history
  • Apply digital signatures using industry-standard encryption
  • Secure digital rights definition for reviewing, printing, and editing
  • Supports multiple raster formats
  • Supports PostScript and HPGL2/RTL printing
  • Use AccuDraw and AccuSnap navigation tools
  • Track annotation

Reality Modeling

  • Read/write standard data formats for:
    • 2D/3D CAD graphics
    • ASCII/text data
    • LandXML
    • LiDAR data: ASCII and LAS
    • USGS digital elevation models
    • Photogrammetric data
    • Raster files
    • Contour maps
  • Import and analyze point-cloud data
  • Merge surfaces automatically
  • Update surface data dynamically

Terrain Modeling

  • Create intelligent, data-rich and lightweight terrain models
  • No need for secondary terrain analysis to represent the terrain display. Includes context sensitive re-symbolization for triangles, contours, linear features, slope vectors, color code for slopes, elevation banding, and aspect
  • Create terrain models from a variety of import sources
    • Reality models
    • 3D graphical data automatically using graphical filters
    • ASCII/text data
    • Legacy data formats of InRoads, GEOPAK, and MX
    • Point clouds
    • LandXML
    • LiDAR data: ASCII and LAS
    • USGS digital elevation model data
    • Aerial data
    • Raster files
  • Ensure live, federated, and intelligent terrain models when stored as a DGN element
  • Maintain terrain models through the preservation of relationships to source data
  • Ensure correct entry with undo/redo capabilities
  • Standardize displays via element templates
  • Use across multiple disciplines via reference files in an open modeling environment
  • Re-symbolization of display across multiple disciplines using an open modeling environment
  • Control maximum length of triangles
  • Control boundary conditions
  • Create complex and clipped terrain models
  • Interrogate the intelligent data-rich 3D models
  • Support for different feature types including but not limited to boundaries, holes, voids, breaklines, inferred breaklines, and random points
  • Model intelligent 3D real-world civil features (ditches, curbs, trees, and culverts)
  • Context-sensitive intelligent editing of features
  • Dynamic editing for
    • Extend, trim, and intersect features
    • Insert, move, and delete vertices
    • Delete, partially delete, break, or join features
  • Manage large LiDAR datasets
  • Exclude non-DTM features from triangulation
  • Control density of points on linear features for optimal surface presentation
  • Display cut and fill delineation
  • View and edit feature properties
  • Contour smoothing
  • Major, minor, and depression contours
  • Automatic and manual contour labelling


  • Model multiple design scenarios
  • Edit designs dynamically
  • Automatic model updates driven by design intent
  • Design time visualization with automatic material assignments
  • Undo/redo capabilities
  • Interactively interrogate federated 3D models with dynamic cross sections
  • Manage 2D/3D models and display representation
  • Use enhanced clipping and point controls
  • Integrate and utilize CAD graphical elements in the model
  • Create model reports dynamically
  • Generate plan ready cross sections
  • Adheres to regional design standards

Dynamic Geometric Design

  • Interactive geometry capabilities
  • Enhanced integration with AccuDraw and AccuSnap through CivilAccudraw
  • Multiple vertical geometries supported per alignment
  • Design time standards input and feedback with errors and warnings in Civil Message Center
  • Store rules and relationships between geometric elements
  • Create horizontal/vertical by PI method or by elements
  • Offset capabilities to easily create complex yard layouts
  • Create circular and parabolic vertical curves
  • Create arc and chord horizontal curves
  • Support tangential and non-tangential curves
  • Edit elements associatively and dynamically
  • Define curves by radius, degree of curvature, and pass-through points
  • Edit, delete, and join elements
  • Support delta angles greater than 180°
  • Annotate alignments and points with object attribution, geometric properties, stationing, dynamically and automatically
  • Additional annotation capabilities for one-off object labeling
  • Review and report geometry in a variety of customizable formats
  • Perform design checks dynamically or in batch processes
  • Display 3D geometry

Template Libraries

  • Support for surface and linear templates
  • Include components, end conditions, and features
  • Create components for real-world objects such as lanes, curbs, walls, ditches, and barriers
  • Define parametric components graphically
  • Apply constraints to components
  • Place component points as free, partially constrained, or fully constrained
  • Set constraints as horizontal, vertical, sloped, projected, vectors, offsets, and elevations
  • Constrain end conditions partially or fully
  • Set end conditions to trace existing surfaces such as rock
  • Drag-and-drop assembly of templates from components and end conditions
  • Perform graphical tests to verify design

Site Layout Modeling

  • Create custom parametric parking lots
  • Modify parking limits by simple line and point manipulation
  • Modify parking limits to remove parking spaces
  • User controlled design standards
  • Revise parking orientation with customized direction path
  • Control size requirements for parking spaces, islands, bays, and aisles
  • Parametric revision of island locations and quantities
  • Integrate building(s) from OpenBuildings and other building design software
  • Parametric interaction between parking and building for optimal site configuration