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This page displays an up-to-date listing of changes to the SRCE model and this website. The information listed here includes, postings of version updates, scheduled releases, or problems and solutions that may affect all users. When problems reported by users get fixed, we'll place a notice here, along instructions for the fix.

Latest News







Aug_01_2014

Updated Nevada Approved and International Model Versions are now available for download.

Both the Nevada Approved Version (1.4.1 Build 17) and the International Version (1.4.1 Build 16b) have been updated to work with Excel 2013. The previous version would not open Cost Data files or previous SRCE models for import.


May_30_2014

Updated Nevada Approved and International Model Versions are now available for download.

Both the Nevada Approved Version (1.4.1 Build 17) and the International Version (1.4.1 Build 16b) have been updated with a new code signing certificate. This will not affect the functioning of either model in any way, but keeps the user from having to select the Enable Content button when opening the model each time. The new code signing certificate is valid until 2016. For more information on setting security setting in Excel, please see the FAQ Page on this website.


August 1, 2012

Nevada Approved Model Version 1.4.1 Build 017 is now available for download.

This version is a modified version of Version 1.4.1 Build 016, which has been approved for use in the State of Nevada, USA for calculating financial assurance cost estimates.

This version requires Cost Data File version 1.12.


February 17, 2012

Model Version 1.4.1 Build 016 is now available for download.

This version fixes an issue that resulted in the user being prompted to enter the SRCE Project Password when exiting Excel. Although this was not a fatal flaw and the repeatedly pressing cancel would eventually make the dialog box disappear, Build 16 eliminates this issue.

This fix also appears to have solved a problem some users have experienced when two or more workbook were open at the same time. When a user attempted to import Cost Data or User Data into a workbook other than the first workbook opened, the data was loaded into the first file rather than the intended workbook. The fix in Version 1.4.1 Build 16.

This version also increases the speed of the import routine by modifying the way the user information on the User Sheets is copied.


December 8, 2011

A new version of User Data File (Version 1.12) is now available for download. This version fixes the formatting of several cells in the Indirect Costs sheet. The example User Data File (Version 1.12) has also been fixed and uploaded.


November 26, 2011

Model Version 1.4.1 Build 014 - is now available for download from this site. This version of the model includes a few of enhancements (and a few bug fixes) from Version 1.4.1 Build 11. Most importantly, this version includes a simple Cost Schedule sheet that allows the user to schedule the costs shown in the Cost Summary sheet.

This version is NOT YET approved for use in the State of Nevada. This model version requires use of User Data File Version 1.12. It can also be downloaded from this site. See the FAQ Page on this website for instructions on how to load new cost data file into model.

A few of the enhancements included in this version are:

  • Cost Schedule worksheet to allow scheduling of costs presented in the Cost Summary sheet. Useful for preparing LOM and ARO cost estimates.

  • Modifications to the water quality Monitoring module that allows time for each sampling event to be set by user.
  • A number of bug fixes

July 20, 2011

Model Version 1.4.1 Build 011 - is now available for download from this site. This version of the model includes a number of enhancements (and a few bug fixes) from Version 1.3.002. This version is NOT YET approved for use in the State of Nevada. A new version of the User Data File (Version 1.12) is necessary for use with this version of the model. It can also be downloaded from this site. See the FAQ Page on this website for instructions on how to load new cost data file into model.

A few of the enhancements included in this version are:

  • Developed  in Excel 2007 and tested in Excel 2010

  • Old Excel 2003-style menus replaced with Excel 2007/2010 ribbon controls
  • The Other Costs table from the Misc. Costs sheet is automatically transferred to the Other User sheet during importing
  • New equipment added to equipment list
  • New fleet options for some activities
  • User control productivities for some activities in the Misc. Unit Costs sheet (e.g. demolition)
  • Addition of shovel option for haul truck fleets
  • Numerous enhancements of existing modules
  • A number of bug fixes

August 3, 2010

2010 Nevada Standardized Cost Data File is available for downloading from the NDEP website. This Data file must be used for bond cost estimates in the state of Nevada beginning on August 1, 2010.  See FAQ Page on this website for instructions on how to load new cost data file into model.


February 23, 2010

Model Version 1.3.002 - Metric Version is now available. A few minor bug fixes are included in this version including corrected formatting and adjustment to the number of tires that are standard on some of the truck fleets. It can also be downloaded from this site. See the FAQ Page on this website for instructions on how to load new cost data file into model.


The User Manual is now available. This manual (in PDF format) contains information on how the Model works and provides suggestions for inputting data into both the Model and Cost Data files. Tutorial exercises are also included along with technical reference information (incomplete still).  

August 1, 2009

2009 Nevada Standardized Cost Data File is available for downloading from the NDEP website. This Data file must be used for bond cost estimates in the state of Nevada beginning on August 1, 2009.  See FAQ Page on this website for instructions on how to load new cost data file into model.


October 5, 2009

Model Version 1.3 - Metric Version are now available for download from this site. This version of the model allows the user to work in metric units and has a number of enhancements (and a few bug fixes) from Version 1.1.2. This version is NOT YET approved for use in the State of Nevada. A new version of the User Data File (Version 1.11) is necessary for use with this version of the model. It can also be downloaded from this site. See the FAQ Page on this website for instructions on how to load new cost data file into model.

A few of the enhancements included in this version are:

  • Import routine to allow import model data from version 1.1.2 models or later

  • Heap leach drain system installation
  • Tailings embankment regrading
  • General material hauling module with crushing/screening and compaction options
  • New modules for Solution Management, Closure Planning, G&A and Human Resources
  • New module for Other User costs
  • New formula for pond volume calculation
  • Option to select seeding method by facility type
  • Temporary override for fuel cost for quick evaluation of fuel cost scenarios
  • Options for adding additional costs to labor rates (e.g. camp costs)
  • New equipment added to equipment list
  • New fleet options for some activities
  • New options for well closure
  • Option to define different sampling requirements for different time periods
  • User control of fleet configurations for most fleets
  • Automatic loader matching for haul truck fleets
  • User control of operator efficiency and job efficiency factors
  • Altitude deration factor added for all equipment including user override option
  • Full access to format options for User Sheets
  • Label option in Table of Contents for User Sheets
  • Numerous enhancements of existing modules
  • A number of bug fixes


February 29, 2008

SRCE Version 1.1.2 (update) is now ready for downloading. The NDEP, BLM and Industry have verified this version for use in Nevada. This version only contains changes to Operator correction factors used in productivity calculations for some of the equipment types used in the model. These changes are shown below. No other changes, bug fixes or improvements were made in this version.

Equipment Type Version 1.1.1 Version 1.1.2

Bulldozers

Loaders

Trucks

Scrapers

Graders

Excavators

0.75

0.75

0.75

0.75

0.75

0.75

0.75

1.0

1.0

1.0

1.0

0.75

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August 1, 2007

2007 Nevada Standardized Cost Data File is available for downloading from the NDEP website. This Data file must be used for bond cost estimates in the state of Nevada beginning on September 1, 2007.  See FAQ Page on this website for instructions on how to load new cost data file into model.

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October 31, 2006

SRCE Version 1.1.1 (update) is now ready for downloading. Both the BLM and NDEP have verified this version for use in Nevada. This contains a number of bug fixes and a few new features.

New Stuff: One new worksheets has been added for:

  • Waste Disposal

Improved: A number of the existing worksheets have been expanded and improved. Additions include:

  • new options for drillhole abandonment
  • new fencing choices
  • additional water monitoring options
  • new field added to most sheets to allow link to GIS systems and databases

Bug fixes: Many thanks to all of you who have provided input on Version 1.0 through the Bug Report page on this web site. We have fixed all of the reported bugs, but honestly know there will probably be more to come. Keep the suggestions and bug reports coming.

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 March 21, 2006

    • SRCE Version 1.0 available for download. Click here to go to downloads page.
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 March 17, 2006

    • SRCE version 1.0 completed and testing by NDEP finished
    • SRCE website prototype completed
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