Fish Passage Site 10302182

Coordinates (dec. deg.): 58.37526°, -134.57844°
Legal Description: C040S066E30
Region: Southeast
Road Name: Nancy Street

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #:
Stream Name: Duck Creek East Fork

Elevation:

Site Comments: None

Survey Date: Aug 25, 2011

Survey SEA11-NNS01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Jason Olds, Charmagne Gutierrez

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Constriction ratio red

Comments: No traps set as stream is already in the AWC, no fish observed. Duck Creek Greenbelt restoration area and ponds above culverts.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 65.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 24.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: Cobble
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 2.06
Rustline Height(ft):1.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.24
Culvert Gradient: 1.57%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Constriction ratio red
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 66.8
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 24.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: Cobble
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 2.16
Rustline Height(ft):1.3
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.24
Culvert Gradient: 1.23%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray
  2. Constriction ratio red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleSilt/Clay
Subdominant:GravelCobble
Stream Slope(deg.):1.06
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 39.0 13.30
Upstream ordinary high water 75.0 12.40
Upstream ordinary high water 123.0 12.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 99.92
D/S Tailcrest or 1st Thalweg 0.00 92.17
D/S Water Surface Elev 0.00 93.47
Outlet Pool Water Elev 15.50 93.47
Max Pool Depth 15.50 89.58
Outlet Invert (C2, on substrate) 2 17.00 91.32
Outlet Invert (C1, on substrate) 1 17.00 91.41
D/S Water Surface Elev (C1) 1 17.00 93.47
D/S Water Surface Elev (C2) 2 17.00 93.48
Outlet Culvert Top (C2) 2 17.00 94.04
Outlet Culvert Top (C1) 1 17.00 94.05
Inlet Culvert Top (C1) 1 82.10 94.95
Inlet Culvert Invert (C1, On substrate) 1 82.10 92.43
U/S Water Surface Elev (C1) 1 82.10 93.45
U/S Water Surface Elev (C2) 2 83.80 93.45
Inlet Culvert Invert (C2, on substrate) 2 83.80 92.14
Inlet Culvert Top (C2) 2 83.80 94.73
U/S Headwater (1st resting) 84.00 93.45
U/S Grade Ctrl (Thalweg) 104.00 93.09
U/S Water Surface Elev 104.00 93.71
U/S Water Surface Elev 230.10 95.00

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

Gear Type: None (A)
Comments: No traps set no fish observed.

Fish Observations

No fish observations occurred during this survey.

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