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Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

6 meters high debris flow barrier UX180

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

4 meters high debris flow barrier UX160

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

4 meters high debris flow barrier UX160-H4

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

6 meters high debris flow barrier VX160

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

Front view of filled debris flow barrier. Barrier can either be cleaned out or left in place as a check dam.

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

The completely filled debris flow barrier

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

Cleanout of debris flow barrier

Debris Flow & Shallow Landslide Protection - Santa Clara Pueblo 2014

UX160-H4 debris flow barrier cleaned out, re-tensioned and put back into service

 

Year of installation

2014

Initial situation

The Las Conchas Wildfire started in 2011 in the Santa Fe National Forest and burned more than 150,000 acres, threatening Los Alamos National Laboratories and the town of Los Alamos.  After five days of burning, it became the largest wildfire in New Mexico state history at the time.  The fire started on June 26, 2011, at approximately 1:00 pm Mountain Daylight Time when a tree fell on a power line.  On the first day, driven by strong and unpredictable winds, the fire burned 43,000 acres—a rate of about an acre per second.

By the evening of the first day, no part of the fire was contained and the county was put under voluntary evacuation.  The fire burned over 61,000 acres by the end of the day on June 27, The fire also burned south, threatening the town of Cochiti Lake. On June 29, it was reported that the fire was 3 percent contained, 12 miles southwest of Los Alamos, and had burned nearly 70,000 acres (109 sq mi). By then the fire had pushed farther north into the land owned and held sacred by Santa Clara Pueblo. By June 30, the burned area had increased to over 103,000 acres (161 sq mi), making it the largest fire in New Mexico history.

The fire was 100% contained on August 3 and efforts are still ongoing for recovery of the burned areas.

Sixteen thousand acres of Santa Clara Pueblo burned in the fire, much of it in the pueblo's watershed. Forty-five percent of the watershed was burned, leading to fears of flooding. The Pueblo responded by preparing for floods.  Destructive flooding occurred in the burned region as the result of a monsoon rainstorm on August 21.  Currently, much of the burned area is still at risk for dangerous flash floods.

Description

The debris flows analysis and report was prepared by Kane Geotech (available upon request).  Several mountain canyons were identified as serious risks for probable debris flows due to the Las Conchas wildfire.  It was determined that debris flow barriers would provide the most cost-effective protection for the Santa Clara watershed and tribal land.

Geobrugg supplied (4) flexible debris flow barriers for the project.

Customer

Santa Clara Pueblo

Contractor

Hi-Tech Rockfall Construction, Inc.

Protected object

Touristic infrastructure, Infrastructure, Other

Corrosion protection

Galvanized, GEOBRUGG SUPERCOATING

Engineering

Kane Geotech

Your local contact

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / United States Regional Manager Northeast

E-Mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / United States Regional Manager California

E-Mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / United States Regional Manager Central US

E-Mail

Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / United States Regional Manager Southeast

E-Mail

Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Natural Hazards
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

E-Mail

Tim Shevlin
 

Tim Shevlin

Sales Director

Natural Hazards
Geobrugg North America, LLC,Salem OR 97302 / United States Sales Director

E-Mail