Mine Solutions
Tailings Manual


Version 2.08, 15 January 2009

The Tailings application and installer have been made Surpac V6.1 compatible.


Version 2.07, 31 January 2008

Tailings has been made Surpac V6.0 comaptible. Fixed some minor bugs for advanced mode operation.


Version 2.06, 8 October 2003

Fixed a problem when determining if grid nodes were deemed valid or within tolerence. some topo grids were not being processed properly and only a fraction of the grid nodes were deemed valid or within tolerence.


Version 2.05, 5 September 2003

Fixed a problem in the time calculation procedure that could cause a crash when a spigot had no assigned density or discharge and no default insitu density or discharge was specified.

Points can be drawn on-screen by checking the View progress on screen checkbox to show the progress of the modeling script as it use to in earlier versions.

Fixed minor bugs with the demonstration menus that caused spurious messages in Surpac Vision V5.0.

Help manual updates.


Version 2.04, 12 August 2003

In certain circumstances the model tailing function returned an incorrect slope at the limits of deposition. This only occurred where a step slope was defined for sub-aqueous deposition. The application now carters for this type of scenario.


Version 2.03, 15 June 2003

Implementation of network licensing system. A Tailings license can now be shared across Surpac Vision installations that use the SSI license manager (SSIlm). See the Mine Solutions licensing manual for further information.


Release 011109

Updated scripts to use scllib:: package for many of the generic functions. (scllib::retrieve scllib::strore for defaults management, scllib::strload and scllib::strsave for string file functions, etc.) Updated documentation with more details on the modeling method. Fixed script to accommodate underwater discharge points. Fixed discharge point edit form to permit null values for all except coordinates and order. Changed basin capacity curve script to output results to .csv file. Updated this script to use scllib procedures. Added a meaningful example for the advanced mode and created subdirectories for the standard and advanced mode example files. Added an example to display output results for an example basin.


Release 011012

Minor bug fixes and improvements to documentation and form actions.


Release 010817

A fundamental upgrade has been made to the modeling method. It is now possible to choose to input deposition targets (time) instead of discharge point elevations. These targets are input by string and each discharge string is modeled sequentially. All the discharge points in a string are raised by the same elevation increment to arrive at a solution. The discharge points in the string are still modeled sequentially as well. The old method (now called the "standard" method) is still functional, and is the recommended place for a beginning user to start. The "basin capacity chart" function has been removed from the menu as it has been very difficult to reconcile its results with other method of volume calculation. It will be reintroduced when suitable methods are devised to reconcile and account for the volume differences between other (more tedious) methods.


Release 010709

Added a new script "Create Grids" to automatically generate grids at different grid spacings for a given input topography dtm file. This function should be used with care as it is not fully tested. A side-effect of unrelated development now allows the user to specify string ranges for the input files. For example, a range of string numbers can now be specified for spigots, dams and basins.


Release 010627

Fulfilled a request to specify density and discharge rate individually by discharge point. The density is now taken from d6 and the discharge rate is from d7 if they exist. Otherwise, the default density will be used. The density and discharge rates are now included as part of the discharge point report table (True North Energy / Klohn-Crippen request). Added the x,y,z coordinates of the discharge point to the output report (Klohn-Crippen request).


Release 010625

Added a "basin water capacity chart" function so that staged storage curves of basin water capacity can be produced. The input to this function is a topographic grid and an optional boundary polygon. The results are output to the message window in comma delimited format. The output should be pasted to the message window, and a chart created of the last two columns. The elevation interval is currently fixed at 0.05m (Agrium request). Fixed a number of issues with the "2D profile from 3D lines" function so that it works with a wider range of data. There were several problems with segments which had varying numbers of d-fields. This has been fixed. This utility is useful for presenting berm centerline profiles.


Release010612

Update the documentation and corrected problems with the example data. Fixed a problem with the custom menu


Release 010611

Rigorous validation of the slope definitions in the function "edit spigot definitions". All fields must be filled in correctly in order to proceed. Documentation update.


Release 010414

Underwater deposition is fully implemented All points are checked to determine if they fall inside a defined basin limit. The applet will stop if a point has no defined basin to prevent unexpected results inside ponds. Addition of a practical limit on polynomial curves and a default slope to be used when depositing beyond this distance (Falconbridge project need).