Fish Passage Site 20703248
Coordinates (dec. deg.): 57.76661°, -152.53389°
Legal Description: S028S020W09
Region: Southwest
Road Name: Magazine Access Road
Datum: WGS84
Quad Name / ITM: Kodiak D-2
AWC Stream #: 259-21-10120-2011
Stream Name: Battery Creek Tributary
Elevation:
Site Comments: None
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Survey UPD21-MAR02
Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kim Clark, Michael Mazzacavallo
Overall Fish Passage Rating:
Tidal: No
Backwatered: No
Step Pools: No
Construction Year: 2019
Comments: Juvenile salmonids observed throughout the site. 3 rock clusters built inside the culvert. Embedded substate designed to be 1.3' deep at thalweg but during assessment was calculated to be only 0.4' at inlet.
Culvert Measurements
ID: 1 | Structure Type: Box culvert (Structural aluminum plate) | Fish Passage Rating: | ||||||||||||||||||||||||||||||||||||||||||
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Comments: Pipe gradient- Top: 1.4%, Inver gradient: 0.65%, Water Surface gradient: 1.4% Pipe dimensions per designs: 15'4"x 6'5"x 63" |
Stream Measurements
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Stream Width Type | Distance From Crossing (ft) |
Stream Width (ft) |
---|---|---|
Upstream ordinary high water | 32.0 | 8.20 |
Upstream ordinary high water | 70.0 | 11.50 |
Upstream ordinary high water | 100.0 | 7.20 |
Elevations
Locator ID | Culvert Number |
River Distance (ft)1 |
Distance From Crossing (ft)2 |
Relative Elevation (ft) |
---|---|---|---|---|
Road Elev | 100.61 | |||
D/S Thalweg | 0.00 | 92.77 | ||
D/S Water Surface Elev | 0.00 | 93.15 | ||
Outlet Invert | 23.00 | 93.15 | ||
Outlet Culvert Top (on the rib) | 23.00 | 99.11 | ||
D/S Water Surface Elev | 23.00 | 93.57 | ||
Inlet Culvert Top (on the rib) | 86.30 | 100.01 | ||
Inlet Culvert Invert | 86.30 | 93.56 | ||
U/S Water Surface Elev | 86.30 | 94.58 | ||
U/S Water Surface Elev | 89.30 | 94.58 | ||
U/S Thalweg (pool depth) | 89.30 | 93.25 | ||
U/S Water Surface Elev | 92.30 | 94.58 | ||
U/S Thalweg (on wood) | 92.30 | 94.52 | ||
U/S Thalweg (to capture just above wood) | 96.30 | 94.56 | ||
U/S Water Surface Elev | 96.30 | 94.78 | ||
U/S Water Surface Elev | 109.30 | 95.01 | ||
U/S Thalweg | 109.30 | 94.74 |
Notes:
- River distance is measured continuously throughout the survey reach along the thalweg of the stream.
- 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