Fish Passage Site 50101598

Coordinates (dec. deg.): 64.97008°, -164.77100°
Legal Description: K006S030W16
Region: Arctic
Road Name: Kougarok Road

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

Elevation:

Site Comments: Mile 47.1

Survey Date: Sep 19, 2005

Survey SEW05-KR10

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio red

Comments: River is braided upstream of culverts.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 60.5
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 33.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.9
Height(ft):5.9
Apron Length(ft):
Water Depth(ft): 1.9
Rustline Height(ft):2.6
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.19
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.16
Culvert Gradient: -0.10%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Mechanical damage or joints parting
  3. Hydraulic flows exceeded capacity
  4. Constriction ratio red
  5. Inlet perch
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 56.6
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 38.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.9
Height(ft):5.9
Apron Length(ft):
Water Depth(ft): 1.6
Rustline Height(ft):2.6
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 1.1
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.16
Culvert Gradient: 1.11%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Mechanical damage or joints parting
  3. Hydraulic flows exceeded capacity
  4. Constriction ratio red
  5. Culvert gradient gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 300.0 52.20
Upstream bank full 75.0 84.60
Upstream bank full 100.0 88.30
Upstream bank full 125.0 106.40
Upstream bank full 382.0 54.40
Upstream bed width 75.0 52.20
Upstream bed width 100.0 27.40
Upstream bed width 125.0 24.60
Upstream bed width 382.0 19.80
Upstream ordinary high water 75.0 76.50
Upstream ordinary high water 100.0 36.50
Upstream ordinary high water 125.0 34.60
Upstream ordinary high water 382.0 49.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 2 5.00
Outlet Pool Water Elev 2 93.11
Max Pool Depth 1 2.00
Outlet Pool Water Elev 1 95.46
U/S Thalweg 1 96.34
U/S Thalweg 2 95.62
D/S Thalweg 0.00 300.0 85.17
D/S Tailcrest or 1st Thalweg 2 273.50 26.5 92.11
OHW (Outlet Tailcrest) 2 273.50 26.5 93.14
OHW (Outlet Tailcrest) 1 274.50 25.5 95.58
D/S Tailcrest or 1st Thalweg 1 274.50 25.5 94.75
D/S Thalweg 1 295.00 5.0 1.70
D/S Thalweg 2 295.00 5.0 4.70
Outlet Invert 1 300.00 0.0 93.75
Outlet Invert 2 300.00 0.0 92.61
Road Elev 329.00 102.23
Inlet Culvert Invert 2 358.00 0.0 93.24
Inlet Culvert Invert 1 358.00 0.0 93.69
U/S Thalweg 2 370.00 12.0 94.52
U/S Thalweg 1 370.00 12.0 96.28
U/S Thalweg 1 508.00 150.0 99.08
U/S Thalweg 2 508.00 150.0 99.63
U/S Thalweg 1 588.00 230.0 100.15

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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