risk based environmental assessment risk-based environmental assessment simon catchpole porto, may...

RISK BASED ENVIRONMENTAL ASSESSMENT

RISK-BASED ENVIRONMENTAL ASSESSMENT

Simon CatchpolePorto, May 2012

www.bgcengineering.ca

RISK BASED ENVIRONMENTAL ASSESSMENT

AN OVERALL RISK ASSESSMENT ADDRESSES THE UNDERLYING PHYSICAL RISKS, UPON WHICH THE NON-PHYSICAL RISKS DEPEND:

Environmental and Geotechnical Risks

Legal and Permitting

Social and Political

Financial

Safety and Human Health

Operational Risks

RISK BASED ENVIRONMENTAL ASSESSMENT

IMPACT COMPENSATION

RESIDUAL IMPACTS

IMPACT MITIGATION

POTENTIAL IMPACTS

SCREENING FOR PROJECT -

ENVIRONMENT INTERACTIONS

A.I. BASELINEPROJECT

DESCRIPTION

REGIONAL BASELINEALTERNATIVES

ANALYSIS

ENVIRONMENTAL IMPACT ASSESSMENT

RISK MANAGEMENT

RESIDUAL RISKS

RISK MITIGATION

EVENTUAL RISKS

SCREENING FOR PROJECT -

ENVIRONMENT INTERACTIONS

A.I. BASELINEPROJECT

DESCRIPTION

REGIONAL BASELINEALTERNATIVES

ANALYSIS

ENVIRONMENTAL RISK ASSESSMENT

RISK BASED ENVIRONMENTAL ASSESSMENT

SEA FISHING ENERGY USE WATER USEAGRICULTURE &

MININGLAND USE

CLIMATE CULTURAL

ARCHAEOLOGY

SEASONAL WEATHER

FAUNA

MARINE BIOLOGY AQUATIC BIOLOGY

VEGETATION

SOILS

OCEANOGRAPHYSNOW

ACCUMULATIONHYDROLOGY LANDSCAPE

GEOMORPHOLOGY

ICE ACCUMULATION WATER CHEMISTRY

COASTAL PROCESSES

SURFACE PROCESSES

FROZEN GROUND HYDROGEOLOGY

GEOLOGY SEISMOLOGY

GEO-HAZARDS

HYDRO-HAZARDSAVALANCHES

STORMS

SEISMICHAZARDS

TSUNAMI HAZARDS

RISK BASED ENVIRONMENTAL ASSESSMENT

RISKS AND IMPACTS INVENTORY

COMPONENT ENVIRONMENTAL ASPECT OR HAZARD

PREPARATION WORKS PERMANENT DAM WATER INTAKE COMMISSIONING

SURFACE

WATER

DIVERSION

SITE CLEAR

ING

COFFER

DAM CONSTRUCT

ION

EXCAVATION

TO BASE LEVEL

MATERIALS MANAGEME

NT

DAM WALL CONSTRUCT

ION

COMPLEMENTARY WORK

S

EXCAVATION

OF PORTA

L

TUNNEL

ADVANCE

WASTE

ROCK REMO

VAL

WATER

MANAGEME

NT

FILLING OF

RESERVOIR

DAMMING

OF RIVER FLOW

DISCHARGE

OF FLOO

D FLOW

S

GEOMORPHOLOGY

MODIFICATION OF SLOPES I I I I I      

MODIFICATION OF WATER COURSES I I I I  

SOILREMOVAL / DISTURBANCE OF SOIL I I I I I    

INCREASED EROSION RATE I R R R     R

HYDROLOGY

MODIFICATION OF FLOW REGIME I I I I I I

MODIFICATION OF SLOPE RUNOFF I I I I    

INCREASED SEDIMENT LOAD R R     I

MODIFICATION OF RECHARGE TO GROUNDWATER I I I I I

I EXPECTED IMPACTR ENVIRONMENTAL RISK

RISK BASED ENVIRONMENTAL ASSESSMENT

RISKS AND IMPACTS INVENTORY

COMPONENT ENVIRONMENTAL ASPECT OR HAZARD

PREPARATION WORKS PERMANENT DAM WATER INTAKE COMMISSIONING

SURFACE

WATER

DIVERSION

SITE CLEAR

ING

COFFER

DAM CONSTRUCT

ION

EXCAVATION

TO BASE LEVEL

MATERIALS MANAGEME

NT

DAM WALL CONSTRUCT

ION

COMPLEMENTARY WORK

S

EXCAVATION

OF PORTA

L

TUNNEL

ADVANCE

WASTE

ROCK REMO

VAL

WATER

MANAGEME

NT

FILLING OF

RESERVOIR

DAMMING

OF RIVER FLOW

DISCHARGE

OF FLOO

D FLOW

S

GEOMORPHOLOGY

MODIFICATION OF SLOPES I I I I I      

LANDSLIDE IN CATCHMENT R R R R    

MODIFICATION OF WATER COURSES I I I I  

SOILREMOVAL / DISTURBANCE OF SOIL I I I I I    

INCREASED EROSION RATE I R R R     R

HYDROLOGY

MODIFICATION OF FLOW REGIME I I I I I I

MODIFICATION OF SLOPE RUNOFF I I I I    

INCREASED SEDIMENT LOAD R R     I

MODIFICATION OF RECHARGE TO GROUNDWATER I I I I I

FLOOD EVENTS IN CATCHMENT R    

I EXPECTED IMPACTR ENVIRONMENTAL RISKR EFFECT ON GEOHAZARD RISK

RISK BASED ENVIRONMENTAL ASSESSMENT

RISKS AND IMPACTS INVENTORY

COMPONENT ENVIRONMENTAL ASPECT OR HAZARD

PREPARATION WORKS PERMANENT DAM WATER INTAKE COMMISSIONING

SURFACE

WATER

DIVERSION

SITE CLEAR

ING

COFFER

DAM CONSTRUCT

ION

EXCAVATION

TO BASE LEVEL

MATERIALS MANAGEME

NT

DAM WALL CONSTRUCT

ION

COMPLEMENTARY WORK

S

EXCAVATION

OF PORTA

L

TUNNEL

ADVANCE

WASTE

ROCK REMO

VAL

WATER

MANAGEME

NT

FILLING OF

RESERVOIR

DAMMING

OF RIVER FLOW

DISCHARGE

OF FLOO

D FLOW

S

GEOMORPHOLOGY

MODIFICATION OF SLOPES R R I I I R I R    

LANDSLIDE IN CATCHMENT R R R R    

MODIFICATION OF WATER COURSES I I I I  

SOILREMOVAL / DISTURBANCE OF SOIL R R I R I R    

INCREASED EROSION RATE R R R R R   R

HYDROLOGY

MODIFICATION OF FLOW REGIME I I I I I I

MODIFICATION OF SLOPE RUNOFF R R R I R    

INCREASED SEDIMENT LOAD R R R R R   I

MODIFICATION OF RECHARGE TO GROUNDWATER I I I I I

FLOOD EVENTS IN CATCHMENT R R  

I EXPECTED IMPACTR ENVIRONMENTAL RISKR EFFECT ON GEOHAZARD RISKR ENHANCED ENVIRONMENTAL RISK

RISK BASED ENVIRONMENTAL ASSESSMENT

RISK-BASED ENVIRONMENTAL ASSESSMENT

Simon CatchpolePorto, May 2012

www.bgcengineering.ca