Fish Passage Site 20303516

Coordinates (dec. deg.): 60.95970°, -149.15119°
Legal Description: S010N002E17
Region: South Central
Road Name: Alyeska Highway

Datum: NAD83
Quad Name / ITM: Seward D-6
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Aug 01, 2016

Survey UPDATE-ALH01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: William Frost

Overall Fish Passage Rating: Gray

Tidal:
Backwatered: No

Step Pools:
Construction Year: 2016


Comments: Baffles inside culvert.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated aluminum) Fish Passage Rating: Gray
 
Length(ft):
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.):
Corrugation Width(in.):
Condition Rating(1-5): 5
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):
Height(ft):
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient:
Max Slope:
Max Slope Length:
 

Comments: All measurements have been taken from plans and permits and have not been verified by project staff. Culvert width 4.1 ft. Culvert height 2.75 ft. Culvert length 50 ft. Culvert slope 3.3%.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:
Subdominant:
Stream Slope(deg.):
Stream Flow Stage:

No stream width data available.

Elevations

No elevation data available.

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