Fish Passage Improvement site 10103598

Fish Passage Site 10103598

Coordinates (dec. deg.): 55.72429°, -132.93771°
Legal Description: C071S081E11
Region: Southeast
Road Name: North Prince of Wales Road

Datum: NAD83
Quad Name / ITM: Craig C-3
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Jul 13, 2017

Survey SEA17-NPW32

site photos

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:

Site Observations:

Outfall height red
Culvert gradient red

Comments: Upstream has some flow not going into culvert, pool off to side. Upstream has steep riffle cascades, some large woody debris. Downstream has steep riffle, disappears over edge of boulders and falls off over steep barrier. No survey due to steep riprap. Not much fill on culvert itself. No fish traps set.

Culvert Measurements

ID: 1

Structure Type: Circular pipe (Corrugated steel)

Fish Passage Rating: Red

Length(ft): 118.0

Inlet Type: Mitered

Outlet Type: Mitered

Corrugation Depth(in.): 1.0

Corrugation Width(in.): 2.5

Condition Rating(1-5): 4

Approach Angle: 30.0

Sedimentation At Inlet: Yes

Inlet Substrate: Cobble

Outlet Substrate: None

	Inlet	Outlet
Width(ft):	4.0	4.0
Height(ft):	4.5	4.0
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):	3.0
Substrate Depth(ft):	0.0	0.0

Backwatered?: No

Baffles Present: No

Embedded?: No

Outfall Height: 1.0

Outfall Type: Free Fall In To Pool

Constriction Ratio: 1.11

Culvert Gradient:

Max Slope:

Max Slope Length:

Comments: Outfall height and outlet depth estimated from rod, not surveyed. Gradient estimated with rangefinder at over 4%. Possible alignment issue with water missing culvert at inlet. Outfall hieght greater than 1 foot.

Culvert Observations: