Fish Passage Site 50101625

Coordinates (dec. deg.): 64.92068°, -164.98380°
Legal Description: K006S031W32
Region: Arctic
Road Name: Kougarok Road

Datum: NAD83
Quad Name / ITM: Solomon D-6
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Mile 39.6

Survey Date: Sep 28, 2005

Survey SEW05-KR37

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Jason Cheney, Paul Thompson

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert is poorly aligned
  2. Culvert gradient red
  3. Constriction ratio red

Comments: 24" overflow pipe with both ends damaged at site. grayling obs in pool u/s of inlet;

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 58.5
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 37.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 1.06
Rustline Height(ft):0.8
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.19
Culvert Gradient: 4.67%
Max Slope:
Max Slope Length:
 

Comments: water depth at outlet calculated
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Culvert gradient red
  3. Constriction ratio red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 125.0 6.10
Upstream bank full 75.0 69.90
Upstream bank full 100.0 68.90
Upstream bank full 125.0 57.30
Upstream bank full 150.0 64.80
Upstream bed width 75.0 4.10
Upstream bed width 100.0 10.40
Upstream bed width 125.0 10.80
Upstream bed width 150.0 18.70
Upstream ordinary high water 75.0 11.70
Upstream ordinary high water 100.0 19.10
Upstream ordinary high water 125.0 11.90
Upstream ordinary high water 150.0 21.60

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 1.10
Outlet Pool Water Elev 90.18
U/S Thalweg 92.42
D/S Grade Ctrl (Thalweg) 0.00 200.0 82.18
D/S Grade Ctrl (Thalweg) 75.00 125.0 83.55
D/S Tailcrest or 1st Thalweg 177.00 23.0 89.79
OHW (Outlet Tailcrest) 177.00 23.0 90.17
D/S Thalweg 195.00 5.0 1.00
Outlet Invert 1 200.00 0.0 89.12
Road Elev 229.00 101.75
Inlet Culvert Invert 1 258.00 0.0 91.85
U/S Thalweg 264.00 6.0 91.54
U/S Grade Ctrl (Thalweg) 293.00 35.0 91.64

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

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