Fish Passage Site 50101562

Coordinates (dec. deg.): 64.76602°, -163.80723°
Legal Description: K008S025W30
Region: Arctic
Road Name: Council Road

Datum: NAD83
Quad Name / ITM: Solomon D-4
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Mile 63.4. On curve.

Survey Date: Jul 02, 2006

Survey SEW05-COR07

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Kyle Negri

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray
  2. Outfall height gray

Comments: Excavated material piled around outlet pool.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 40.4
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 5.5
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.95 6.0
Height(ft):6.1 6.1
Apron Length(ft):
Water Depth(ft): 0.3
Rustline Height(ft):0.75
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.26
Outfall Type:
Constriction Ratio: 0.52
Culvert Gradient: 1.39%
Max Slope:
Max Slope Length:
 

Comments: water depth in outlet est.
  Culvert Observations:
  1. Culvert gradient gray
  2. Outfall height gray
  3. Constriction ratio gray
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 40.2
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 5.5
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.95 5.95
Height(ft):6.0 6.0
Apron Length(ft):
Water Depth(ft): 0.3
Rustline Height(ft):0.55
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.34
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.52
Culvert Gradient: 1.34%
Max Slope:
Max Slope Length:
 

Comments: water depth outlet est.
  Culvert Observations:
  1. Outfall height gray
  2. Culvert gradient gray
  3. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 207.0 27.90
Downstream ordinary high water 422.0 17.90
Upstream bank full 150.0 25.70
Upstream bank full 180.0 21.10
Upstream bank full 300.0 13.20
Upstream bank full 385.0 21.10
Upstream bed width
Upstream ordinary high water 150.0 19.30
Upstream ordinary high water 180.0 17.70
Upstream ordinary high water 300.0 11.70
Upstream ordinary high water 385.0 16.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 1 3.10
Max Pool Depth 2 3.50
Outlet Pool Water Elev 93.91
D/S Grade Ctrl (Thalweg) 0.00 2007.0 91.73
D/S Grade Ctrl (Thalweg) 1585.00 422.0 89.79
D/S Grade Ctrl (Thalweg) 1660.00 347.0 90.55
D/S Tailcrest or 1st Thalweg 1983.00 24.0 93.29
OHW (Outlet Tailcrest) 1983.00 24.0 94.06
Bankfull 1983.00 24.0 94.63
D/S Thalweg 1 2002.00 5.0 2.45
D/S Thalweg 2 2002.00 5.0 2.55
Outlet Invert 1 2007.00 0.0 93.87
Outlet Invert 2 2007.00 0.0 93.95
Road Elev 2027.00 102.75
Inlet Culvert Invert 1 2047.00 0.0 94.43
Inlet Culvert Invert 2 2047.00 0.0 94.49
U/S Grade Ctrl (Thalweg) 2091.50 44.5 95.36
U/S Grade Ctrl (Thalweg) 2226.00 179.0 96.80
U/S Grade Ctrl (Thalweg) 2369.00 322.0 97.88

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.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov