Collision Conflicts Check

When there are two or more sewer networks in one area, it's very important to know if there are any collisions among pipe lines. The Collision Conflicts Check command performs a three dimensional check on unlimited sewer .SEW, utility .UTIL networks and 3D pipe polylines. If any portions of the these systems are too close to each other, i.e their distance is closer than the safety buffer, the conflicting pipes and their collision locations would be reported. The program also checks for any collisions within the same sewer network. Besides checking unlimited sewer networks, the Check Pipe 3D Polylines option will check for collisions with 3D polylines that have been tagged as pipes with the Assign Pipe Data To Polyline command.

From the Network > Check Sewer Network menu in the Hydrology Module, select Collision Conflicts Check. In the dialog, select two or more network files that you want to check the collisions and/or select the Check Pipe 3D Polylines option. The program can also check collisions for 3D Pipes only and allow you to pick 3D pipe polylines on screen.

In the Conflict Tolerance box, specify the value of the distance buffer that any two of the sewer systems shouldn't violate. Optionally, use the Station Crossing/Collision by Reference Centerline switch and set the Reference CL to report any crossings and collisions by Station and Offset from the reference centerline.  The Use Collision Navigator toggle provides an Data Problem Log dialog to navigate you to the location of every collision, otherwise the collisions would reported in Carlson standard report format.

Draw Collision Symbols and Draw Crossing Symbols option will draw a symbol at each collision or crossing. Besides drawing symbols, there are options to label the clearance and pipe elevations.

The Order Rules button displays the Order Rules dialog, allowing the user to specify and report violations of the "depth order" of a set of various utilities.  For example, if Gas is supposed to be below Water, as indicated in the dialog below, but is actually above, the program will note this as a violation and report this in the Report Order Rule Violations formatted report.

Sewer Network Collision Conflict Check

The Report Crossings and Report Collisions buttons would show all the pipe crossings and collisions in a formatted report. 

Report Pipe Crossings   

Opens the Report Formatter Options Dialog Box. The user can select from the Available List and Add the to the Used list to customize the report, ans select output options. For more information on using the Report Formatter see Report Viewer in this manual.

Report Collisions   

Opens the Report Formatter Options Dialog Box. The user can select from the Available List and Add the to the Used list to customize the report, and select output options. For more information on using the Report Formatter see Report Viewer in this manual.

Data Problem Log dialog

When the Use Collision Navigator toggle is on, an Data Problem Log is generated if there are any collisions. Clicking to the "+" sign beside the Collisions Total will display the individual collisions. When a collision item is selected, click on Zoom To button and the drawing is centered to the exact location of the highlighted collision. Zoom In button zooms in on the highlighted collision for a closer inspection. Zoom Out zooms out away from the collision. Report All/One button between One and All depending on whether a single collision or all collisions are selected from the Log. An error Report is generated listing the positions of the entities in conflict. 

Collision Navigator

Report Pipe Min Horiz/Vert Clearance   button would report the Horizontal Separation and the Vertical Clearance of pipes in a formatted report. Report Pipe/Structure Min Horizontal Clearance button would report the pipe and structures horizontal separation in a formatted report.

Collision Example

Collision Report Example

Pulldown Menu Location: Network > Check Sewer Network
Keyboard Command: chkmswr
Prerequisite: two to four sewer files (.SEW)