Fish Passage Site 10302181

Coordinates (dec. deg.): 58.38118°, -134.57751°
Legal Description: C040S066E19
Region: Southeast
Road Name: Cinema Drive

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

Elevation:

Site Comments: No fish observed and no traps set as stream is already in the AWC.

Survey Date: Aug 26, 2011

Survey SEA11-CMD01

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

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray

Comments: Site is ponded downstream from culvert.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Structural steel plate) Fish Passage Rating: Gray
 
Length(ft): 60.7
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 25.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):6.0 6.0
Height(ft):3.6 3.5
Apron Length(ft):
Water Depth(ft): 0.74
Rustline Height(ft):0.8
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.02
Outfall Type: Hydraulic Jump
Constriction Ratio: 0.64
Culvert Gradient: 0.43%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:OrganicOrganic
Stream Slope(deg.):1.37
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 31.0 7.10
Upstream ordinary high water 55.0 10.30
Upstream ordinary high water 70.0 10.90

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev 99.71
D/S Water Surface Elev (Pond surface) 0.00 94.15
D/S Water Surface Elev 1.00 94.37
D/S Grade Ctrl (Thalweg) 1.00 93.02
D/S Tailcrest or 1st Thalweg 7.00 93.02
D/S Water Surface Elev 7.00 94.43
D/S Water Surface Elev 15.00 94.45
Misc. (Substrate below pipe) 15.00 93.19
Outlet Invert (On pipe) 15.00 93.71
Outlet Culvert Top 15.00 97.24
Inlet Culvert Top 65.70 97.58
U/S Water Surface Elev 65.70 94.82
Inlet Culvert Invert (On pipe) 65.70 93.97
U/S Headwater (1st resting) 75.00 94.94
U/S Water Surface Elev 151.00 95.98
U/S Grade Ctrl (Thalweg) 151.00 94.75

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.

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