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Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

6 meters high debris flow barrier UX180

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

4 meters high debris flow barrier UX160

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

4 meters high debris flow barrier UX160-H4

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

6 meters high debris flow barrier VX160

Hangmuren- und Murgangschutz - 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.

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

The completely filled debris flow barrier

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

Cleanout of debris flow barrier

Hangmuren- und Murgangschutz - Santa Clara Pueblo 2014

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

 

Installationsjahr

2014

Ausgangslage

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.

Massnahme

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.

Kunde

Santa Clara Pueblo

Ausführende Firma

Hi-Tech Rockfall Construction, Inc.

Geschützte Objekte

Touristische Infrastruktur, Infrastruktur, Sonstige

Korrosionsschutz

Verzinkt, GEOBRUGG SUPERCOATING

Planer

Kane Geotech

Ansprechpartner

Roger Moor
   

Roger Moor

Country Manager Ost- und Zentralschweiz, Liechtenstein

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Schweiz Country Manager Ost- und Zentralschweiz, Liechtenstein

E-Mail

René Müller
   

René Müller

Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG,Industriestrasse 21,5200 Brugg / Schweiz Country Manager Kantone AG BE BL BS FR GE JU NE SO VD VS

E-Mail

Alexander Bittendorfer
   

Alexander Bittendorfer

Project Manager Inspection Services

Naturgefahren
Geobrugg AG,Aachstrasse 11,8590 Romanshorn / Schweiz Project Manager Inspection Services

E-Mail

Isacco Toffoletto
   

Isacco Toffoletto

Ticino Country Manager

Naturgefahren
Uferschutz/Wasserbau
Minen / Bergbau / Tunnel
Geobrugg AG,Stabile Cometal, via Pizzante 7,6595 Riazzino / Schweiz Ticino Country Manager

E-Mail