Fish Passage Site 20501215

Coordinates (dec. deg.): 61.77355°, -149.27199°
Legal Description: S020N001E33
Region: South Central
Road Name: Old Palmer Fishhook Road

Datum: WGS84
Quad Name / ITM: Anchorage D-7
AWC Stream #:
Stream Name: Fishhook Creek tributary

Elevation:

Site Comments: Abandoned road bed u/s of hatcher pass road 100'. Downstream from site PFR09.

Survey Date: Aug 05, 2009

Survey MSB09-PFR10

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand, Gillian O'Doherty

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert gradient gray

Comments: Site is downstream from PFR09.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 20.5
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 44.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.3 3.1
Height(ft):2.9 3.0
Apron Length(ft):0.0 0.0
Water Depth(ft): 0.57
Rustline Height(ft):1.6
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: 0.38
Culvert Gradient: 0.83%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 11.00
Downstream ordinary high water 7.00
Downstream ordinary high water 6.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Grade Ctrl (Thalweg) 1 0.00 20.0 92.11
D/S Water Surface Elev (ws @ gp) 1 0.00 20.0 92.55
D/S Grade Ctrl (Thalweg) (1st gp d/s; no clear TWC) 1 11.00 9.0 93.11
D/S Water Surface Elev (ws @ gp) 1 11.00 9.0 93.84
D/S Thalweg 1 15.00 5.0 92.69
Outlet Invert 1 20.00 0.0 93.32
Outlet Pool Water Elev 1 20.00 93.89
Road Elev 1 30.00 98.64
U/S Headwater 1 40.50 94.45
Inlet Culvert Invert (thalweg on substrate) 1 40.50 0.0 93.49
U/S Water Surface Elev (ws @ gp) 1 46.00 5.5 95.05
U/S Grade Ctrl (Thalweg) 1 46.00 5.5 94.43

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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