PROGRAM AGENDA Workshop on Dam Break Analysis ... - InfoMine

<strong>PROGRAM</strong> <strong>AGENDA</strong>
<strong>Workshop</strong> on Dam Break Analysis Applied to Tailings
Doubletree Hotel (Quebec Street)
Denver, Colorado
August 24-26, 2011
Wednesday, August 24, 2011
1. Welcome/Opening Statement – José Clemente (Bechtel) 8:00-8:05 am
State-of-the-practice – Tatyana Alexieva (MWH) 8:05-8:50 am
2. Regulatory aspects of dam break analysis applied to tailings dams – José 8:50am-10:00 am
Clemente (Moderator, Bechtel)
ASDSO Survey – Robert K. Martinez (Nevada Division of Water Resources)
South American Practice – Tatyana Alexieva (MWH)
Break 10:00-10:30 am
2. Regulatory aspects of dam break analysis applied to tailings dams – José 10:30am-12:00 pm
Clemente (Moderator, Bechtel)
Regulatory Environment in Nevada, Regulator’s Perspective –Michael Anderson (NV DNR)
Regulatory Environment in Nevada, Practitioner’s Perspective – Russ Browne (Golder)
Lunch 12:00-1:00 pm
3. Predictive models and available software, Carmen Bernedo (MWH)
Bob Snow (Moderator, D’Appolonia)
Updated 02 October 2011
1:00-1:45 pm
4. Failure modes – Bob Snow (Moderator, D’Appolonia) 1:45-2:45 pm
Review of the literature, Richard Kulesza (Bechtel)
Debris flow as a failure triggering mechanism, Jeff Keaton (AMEC)
Break 2:45-3:15 pm
4. Failure modes – Bob Snow (Moderator, D’Appolonia) 3:15-5:00 pm
Failure modes, Clint Strachan (MWH)
Geomechanics of dam breach analysis, A. Carraro (Colorado State University)
Risk assessments of slopes, D. V. Griffiths (Colorado School of Mines)
EVENING RECEPTION WITH EXHIBTS
5:30-7:30 pm

Thursday, August 25, 2011
Welcome/Opening Statement – José Clemente (Bechtel) 8:00-8:05 am
5. Modeling tailings flow after dam breaks – Don Poulter (Moderator, Golder) 8:05-9:00 am
Overview of USACE Dam Break Modeling, Mapping and Consequence Analysis – Will Breitkreutz
(USACE)
FEMA’s Development of Standard Approaches to Inundation Mapping, Ed Beadenkopf (URS)
Downstream Modeling of Tailings Flow from Failure of a 380-ft High Tailing Dam – James Kunkel
(Knight Piésold)
Dambreak modelling of Tailings Dams using combined 1D- and 2D-models, Anders Söderström
and Nils Isaksson (SWECO)
Break 9:30-10:00 am
5. Modeling tailings flow after dam breaks – Don Poulter (Moderator, Golder)
Rheology of hyper-concentrated flows, Pierre Julien (Colorado State Univeristy)
Tailings properties and their effect on flow, John Lupo (Newmont)
Estimation of dam break discharges, Arvind Dalpatram (KCBL)
6. Case Histories, Don Poulter (Moderator, Golder)
Institutional issues related to engineering management, Bill Almes (GAI)
Updated 02 October 2011
9:30 am-11:15 am
11:15 am-12:00 pm
Lunch 12:00-1:00 pm
6. Case Histories, Carmen Bernedo (Moderator,MWH) 1:00-2:15 pm
Kingston, TN Coal Ash Pond Failure, Bill Walton (GEI)
Bafokeng, the controversial slimes dam break (South Africa), Jack Caldwell (Robertson
Consultants)
When Things Go Wrong, A Mine Tailings Impoundment Failure, Larry Hansen (AMEC)
Break 2:15-2:45 pm
6. Case Histories, Carmen Bernedo (Moderator,MWH) 2:45-4:30 pm
Enhanced Predictions for Peak Outflow from Breached Embankment Dams, Chris Thornton
(Colorado State University)
Providing realistic data for calibration of models: results from South Africa (Merriespruit), Chile
(Maule), and Australia (submarine landslides), Andries Fourie (University of Western Australia)
October 2010, Red sludge tailings dam failure in Kolontar Hungary, Pal Hegedus (RBF Consulting)
Modeled Combined Tailing/Water Outflows Compared to Experience Data, James Kunkel (Knight-
Piésold)
7. Closure, José Clemente (Moderator, Bechtel)
4:30-5:00 pm
Dam failures can’t happen here – and other myths, Stan Michalek (MSHA)

Friday August 26, 2011
Field Tour – Site visit to the Henderson Mine Tailings Disposal Facility (2.5-hr drive)
Updated 02 October 2011