SL 451-2009
Technique guideline for energency disposal of landslide lake (English Version)

Standard No.

SL 451-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Water Conservancy

Status

Be replaced 2022-02

Replace By

SL/T 450-2021

Latest

SL/T 450-2021

Scope

This standard is applicable to the emergency response to risk level I and II barrier lakes caused by landslides, collapses, debris flows, etc. Level III and IV shall be implemented accordingly. The disposal of barrier lakes formed by glacial deposits should be specially studied and certified.

SL 451-2009 Referenced Document

• DL/T 5087 Design guide of cofferdam for hydropower and water conservancy project(explanation)
• GB 18306 Seismic ground motion parameters zonation map of China*， 2015-05-15 Update
• GB 50287 Code for hydropower engineering geological investigation*， 2016-08-18 Update
• SL 203 Specifications for seismic design of hydraulic structures(explanation)
• SL 274 Design specifications for roller compacted earth-rock dams*， 2020-11-30 Update
• SL 450-2009 Standard for classification of risk grade of landslide lake

SL 451-2009 history

• 2021 SL/T 450-2021 Risk level classification and emergency response technical specifications for barrier lakes
• 2009 SL 451-2009 Technique guideline for energency disposal of landslide lake

SL 451-2009 Technique guideline for energency disposal of landslide lake was changed to SL/T 450-2021 Risk level classification and emergency response technical specifications for barrier lakes.