placer county water agency middle fork american river project terrestrial working group november 6,...
TRANSCRIPT
Placer County Water AgencyMiddle Fork American River Project
Terrestrial Working GroupNovember 6, 2007
TERR 4: Special-Status Wildlife
Preliminary ResultsPowerline Risk Assessment
Component
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Study Objective
Determine whether Project communication lines and powerlines are consistent with Avian Power Line Interaction Committee (APLIC) Guidelines
APLIC GUIDELINES
Powerpole configurations and
avian deterrent recommendations
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Extent of Study AreaAll Project powerlines and
communication lines (excludes underground powerlines)
Does not include PG&E transmission lines
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Powerline Risk AssessmentStudy Methods Overview
Pole Evaluation Conduct preliminary
powerline and communication pole and line evaluation
Habitat Assessment Determine location of
powerlines in relation to appropriate habitat
Determine availability of nesting or roosting trees or perches
Document avian use of powerlines
Summarize documented avian electrocutions
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Powerline Risk AssessmentPole Evaluation
Typical APLIC “problem” powerline characteristics:
Usually distribution lines
Distance between conductors is less than wingspan of landing/perching bird
Grounded hardware or equipment in proximity to energized conductors/jumper wires
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Typical APLIC “Problem” Powerline Configurations
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APLIC Recommended Powerline Configurations
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Typical APLIC “Problem” Equipment Pole Configuration
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APLIC Recommended Equipment Pole Configuration
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Low voltage
Insulated
Do not pose risk
of electrocution
MFP Photovoltaic Pole and Powerline Evaluation
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MFP Communication Poleand Line Evaluation
Low voltage
Insulated
Do not pose risk of electrocution
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MFP Pole and Powerline Evaluation
Powerline pole configuration may pose potential risk
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MFP Habitat Assessment Abundant alternative natural
structures for nesting and foraging
Powerlines are surrounded by appropriate habitat (e.g., hardwood and coniferous forest)
No avian use detected during surveys
No reported avian electrocutions or other mortalities
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Next Steps