5. lvrm ch8 ukraine culverts eb
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NATURAL DRAINAGE NATURAL DRAINAGE CROSSINGS CROSSINGS
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Transcript of 5. lvrm ch8 ukraine culverts eb
NATURAL DRAINAGENATURAL DRAINAGE CROSSINGSCROSSINGS
CULVERTSCULVERTS
Stream Diversion
Plugging
Piping Failure
Installation
FISH PASSAGE / AOP
FISHBARRIERS
Location, location, location…
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0-25 26-50 51-75 76-100 101-125 126-150 151-175 176-200 201-225 226-250
Roa
d fa
ilure
s/m
ile o
f roa
d
Distance from stream (meters)
All failures (319)
Mass wasting (229)
Surface erosion (90)
High value systems intersect with a dismal link
Crooked Creek
High Value Infrastructure
High ValueEcosystems
Climate Change Vulnerability Assessment
Missouri Creek
Red Sandstone Creek
Summary
Summary
Ubiquitous Creek
Aging Infrastructure
Coal Creek
Dutch Creek
Swan River
What are we doing?
Lime Creek
Stream Simulation
North Thompson
OPTIMAL:
STREAM HEALTH /
ROAD HEALTH/ DEBRIS INPUTS
MAINTAIN STREAM
ECOSYSTEM
CONNECTIVITY
Ripple Creek
East Fork Eagle
ACCOMMODATE A
RANGE OF FLOOD
Straight Creek
ACCOMMODATE
DEBRIS AND
SEDIMENT
East Fork Eagle Creek
LONG-LASTING:
DESIGN LIFE 75 –
100 YEARS
BEFORE
AFTER
CULVERT MAINTENANCE & REHABILITATION
Clackamas County, OR
CULVERT REHABILITATION ANDCULVERT REHABILITATION ANDTRENCHLESS TECHNOLOGYTRENCHLESS TECHNOLOGY
TYPES OF PIPE
