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El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer Middle Rio Grande Conservancy District

El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

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Page 1: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

El Vado Dam Corrective Action Study

New Mexico Watershed and Dam Owners Coalition

Conference – May 12, 2015Presented by

Mike A. Hamman, Chief EngineerMiddle Rio Grande Conservancy District

Page 2: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

El Vado DamQuarter Inch Faceplate

Page 3: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Early Construction Photo

Page 4: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

El Vado Dam Spill

Page 5: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Intake Structure for SJC Project

Page 6: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

View of Expansion Joints and Patches looking up to the Crest

Page 7: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Expansion Joint Separation

Page 8: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Failed Expansion Joint

Page 9: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Patched Spillway Wall

Page 10: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Failed Bracing on Spillway Wall

Page 11: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Backfill Behind Spillway Wall

Page 12: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Complete designs for concrete spillway, gate and emergency spillway dike and related reports by 12/2015

Complete abutment and faceplate assessments by 2/2016

NEPA Compliance by 5/2016 Construction start by 2/2017 ??

CAS Status

Page 13: El Vado Dam Corrective Action Study New Mexico Watershed and Dam Owners Coalition Conference – May 12, 2015 Presented by Mike A. Hamman, Chief Engineer

Questions?