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Site Constants

SettingDescription
Boundary CAD Level is the CAD level boundary elements are drawn on.
  • Constant: *DPAR-BOUNDARY-CAD-LEVEL*
  • English: “inlines”
  • Metric: “inlines”
Grade The elevation to be used as grade throughout the site. This parameter affects default Z-coordinate values of equipment locations when positioning equipment in a model for the first time.
  • Constant: *DPAR-GRADE*
  • English: 1200.0 in
  • Metric: 0.0 mm
Headroom The minimum vertical clearance over stairs, platforms, walkways, passageways and working areas. This value is not used internally, rather it was designed for use in vicinity routing rules.
  • Constant: *DPAR-HEADROOM*
  • English: 90 in
  • Metric: 2285 mm
Levels Above Highest Obstacle The number of routing planes above the highest obstacle that will determine the upper boundary of the routing space.
  • Constant: *DPAR-ROUTING-HIGHEST-LEVEL-OFFSET*
  • English: 4
  • Metric: 4
Minimum Access Spacing The minimum distance two components can be from each other without creating a Proximity Conflict. This value is used when there is no Plant Spacing Class assigned to the component(s).
  • Constant: *PW-MINIMUM-ACCESS-SPACING*
  • English: 0.0 in
  • Metric: 0.0 mm
Minimum Line Spacing Used to calculate the obstacle formed by a pipeline. The Minimum Line Spacing is the distance between one pipe’s outer diameter and the adjacent pipe’s outer flange diameter – insulation thicknesses are include in the diameters when necessary.
  • Constant: *DPAR-MINIMUM-LINE-SPACING*
  • English: 1.0 in
  • Metric: 25.0 mm
Obstacle Vertical Clearance The distance an obstacle or equipment obstacle box is extended vertically downwards to block lower routing levels.
  • Constant: *DPAR-PEDESTAL-MIN-VERTICAL-ROUTING-SPACE*
  • English: 16.0 in
  • Metric: 400.0 mm
Pipeway Adjacency Threshold The maximum distance within which two perpendicular pipeways (exterior or structure) will be considered as intersecting by the Router.
  • Constant: *DPAR-NEARBY-CHANNEL-DISTANCE-LIMIT*
  • English: 241.0 in
  • Metric: 6150.0 mm
Plot Boundary Offset Defines the horizontal extension of the plot boundary (routing space) beyond the outside obstacles. Expressed as a multiplier of the Routing Plane Offset.
  • Constant: *DPAR-PLOT-BOUNDARY-OFFSET*
  • English: 4
  • Metric: 4
Routing Plane Offset The vertical distance between routing planes.
  • Constant: *DPAR-ROUTING-PLANE-OFFSET*
  • English: 36.0 in
  • Metric: 1000.0 mm