Fish Passage Site 50101558

Coordinates (dec. deg.): 64.82498°, -163.71612°
Legal Description: K008S025W03
Region: Arctic
Road Name: Council Road

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

Elevation:

Site Comments: Mile 68.8

Survey Date: Jul 01, 2006

Survey SEW05-COR03

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Mechanical damage or joints parting
  2. Culvert is poorly aligned
  3. Culvert gradient red
  4. Outfall height red

Comments: 36" overflow to north and 24" overflow to south.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 49.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 27.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.85 4.9
Height(ft):4.85 4.8
Apron Length(ft):
Water Depth(ft): 0.6
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: 0.54
Outfall Type:
Constriction Ratio: 0.87
Culvert Gradient: 6.12%
Max Slope:
Max Slope Length:
 

Comments: water depth in outlet estimated based on invert and tailwater elevations; pipe has compound slope; two overflow pipes not surveyed.
  Culvert Observations:
  1. Mechanical damage or joints parting
  2. Culvert is poorly aligned
  3. Culvert gradient red
  4. Outfall height red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:Silt/ClayGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 75.0 7.90
Downstream ordinary high water 124.0 7.90
Upstream bank full 75.0 7.60
Upstream bank full 100.0 5.50
Upstream bank full 125.0 5.80
Upstream bank full 150.0 6.00
Upstream bed width
Upstream ordinary high water 75.0 7.30
Upstream ordinary high water 100.0 4.60
Upstream ordinary high water 125.0 5.20
Upstream ordinary high water 150.0 5.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 4.00
Outlet Pool Water Elev 93.19
D/S Grade Ctrl (Thalweg) 0.00 124.0 91.17
D/S Grade Ctrl (Thalweg) 49.00 75.0 92.37
D/S Tailcrest or 1st Thalweg 94.00 30.0 92.74
OHW (Outlet Tailcrest) 94.00 30.0 93.29
Bankfull 94.00 30.0 93.64
D/S Thalweg 119.00 5.0 3.50
Outlet Invert 1 124.00 0.0 93.13
Road Elev 148.50 101.02
U/S Grade Ctrl (Thalweg) 173.00 0.0 95.67
Inlet Culvert Invert 1 173.00 0.0 96.13
U/S Grade Ctrl (Thalweg) 183.00 10.0 95.83
U/S Grade Ctrl (Thalweg) 193.00 20.0 94.81
U/S Grade Ctrl (Thalweg) 225.00 52.0 96.05
U/S Grade Ctrl (Thalweg) 281.00 108.0 96.52
U/S Grade Ctrl (Thalweg) 313.00 140.0 97.15

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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