HomeMy WebLinkAbout5.1 GrantLk (P-13212) DLA Vl1 Content Definitions 03-27-15 FINAL
Draft License Application
Grant Lake Hydroelectric Project (FERC No. 13212)
Kenai Hydro, LLC
March 2015
DRAFT LICENSE APPLICATION
Grant Lake Hydroelectric Project Kenai Hydro, LLC
FERC No. 13212 i March 2015
TABLE OF CONTENTS
CONTENTS AND DEFINITIONS
List of Tables ........................................................................................................................... viii
List of Figures .......................................................................................................................... xiv
List of Acronyms and Abbreviations ....................................................................................... xix
INITIAL STATEMENT
EXHIBIT A: PROJECT DESCRIPTION
1 Contents and Purpose of This Exhibit .............................................................................. A-1
2 General Project Description............................................................................................... A-1
3 Project Area and Vicinity ................................................................................................... A-2
4 Proposed Project Facilities ................................................................................................. A-5
4.1. Grant Creek Diversion ................................................................................................. A-11
4.2. Grant Lake Intake ........................................................................................................ A-11
4.3. Tunnel and Surge Chamber ......................................................................................... A-11
4.4. Penstock and Surge Tank ............................................................................................ A-12
4.5. Tailrace ........................................................................................................................ A-12
4.6. Tailrace Detention Pond .............................................................................................. A-13
4.7. Powerhouse ................................................................................................................. A-13
4.8. Transmission Line/Switchyard .................................................................................... A-13
4.9. Appurtenant Facilities ................................................................................................. A-14
4.10. Access Roads ............................................................................................................... A-14
5 Project Lands .................................................................................................................... A-15
EXHIBIT B: PROJECT OPERATIONS AND RESOURCE UTILIZATION
1 Contents and Purpose of This Exhibit ...............................................................................B-1
2 Project Site Selection and Proposed Operations ...............................................................B-1
2.1. Project Site Alternatives ................................................................................................ B-1
2.1.1. Crescent Lake................................................................................................... B-1
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2.1.2. Ptarmigan Lake/Creek ..................................................................................... B-1
2.1.3. Falls Creek ....................................................................................................... B-1
2.1.4. Grant Lake/Creek ............................................................................................. B-2
2.2. Project Facility Designs, Processes, and Operations Alternatives ................................ B-3
2.2.1. Configuration Alternatives............................................................................... B-3
2.2.2. Proposed Design .............................................................................................. B-7
2.2.3. Grant Lake Operational Model ........................................................................ B-7
2.3. Project Operations During Adverse, Average, and High Water Years ......................... B-8
2.3.1. Adverse Water Years ....................................................................................... B-8
2.3.2. Average Water Years ....................................................................................... B-8
2.3.3. High Water Years ............................................................................................ B-8
3 Existing Resource Utilization ..............................................................................................B-9
3.1. Plant Control .................................................................................................................. B-9
3.2. Annual Plant Factor ....................................................................................................... B-9
3.3. Dependable Capacity and Average Annual Energy Production ................................... B-9
3.3.1. Project Flow Data ............................................................................................ B-9
3.3.2. Flow Duration Curves .................................................................................... B-10
3.3.3. Critical Streamflow ........................................................................................ B-13
3.3.4. Storage Capacity ............................................................................................ B-13
3.3.5. Rule Curve ..................................................................................................... B-16
3.3.6. Tailwater Rating Curve .................................................................................. B-17
3.3.7. Power Plant Hydraulic Capacities and Capabilities ....................................... B-18
4 System and Regional Power Needs ...................................................................................B-19
5 Future Resource Utilization ..............................................................................................B-21
6 References ...........................................................................................................................B-21
EXHIBIT C: CONSTRUCTION SCHEDULE
1 Contents and Purpose of This Exhibit .............................................................................. C-1
2 Construction Schedule ........................................................................................................ C-1
3 Commencement of Commercial Operation ...................................................................... C-1
4 Previously Constructed, Unlicensed Water Power Structures or Facilities .................. C-1
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EXHIBIT D: PROJECT COSTS AND FINANCING
1 Contents and Purpose of This Exhibit .............................................................................. D-1
2 Original Costs ...................................................................................................................... D-1
3 Estimate of the Amount Payable if the Project were to be Taken Over Pursuant to
Section 14 of the Federal Power Act ................................................................................. D-1
4 New Construction Costs ..................................................................................................... D-1
5 Average Annual Costs ........................................................................................................ D-3
5.1. Cost of Capital ............................................................................................................... D-4
5.2. Local, State and Federal Taxes ...................................................................................... D-4
5.3. Depreciation and Amortization ..................................................................................... D-4
5.4. Operations & Maintenance Expenses ............................................................................ D-4
5.5. Protection, Mitigation, and Enhancement Expenses (PM&E) ...................................... D-5
6 Value of Project Power ....................................................................................................... D-5
6.1. Contingency Spinning Reserve ..................................................................................... D-5
6.2. Estimated Average Annual Value of Power .................................................................. D-6
7 On-peak and Off-peak Values of Project Power .............................................................. D-7
8 Alternative Energy Sources ............................................................................................... D-7
9 Consequence of License Application Denial ..................................................................... D-8
10 Sources and Extent of Financing ....................................................................................... D-9
11 Cost to Develop the License Application .......................................................................... D-9
EXHIBIT E: ENVIRONMENTAL ANALYSIS
1 Introduction ..........................................................................................................................E-1
1.1. Purpose of Exhibit E ....................................................................................................... E-1
1.2. Traditional Licensing Process (TLP) Schedule .............................................................. E-1
1.3. Document Organization ................................................................................................. E-3
2 Proposed Action and Alternatives ......................................................................................E-3
2.1. Proposed Action ............................................................................................................. E-3
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2.1.1. Proposed Project Boundary ............................................................................... E-3
2.1.2. Proposed Project Facilities ................................................................................ E-4
2.1.3. Proposed Project Safety .................................................................................. E-13
2.1.4. Proposed Project Operations ........................................................................... E-13
2.1.5. Proposed Environmental Measures ................................................................. E-14
2.2. Requested PM&E Measures ......................................................................................... E-16
2.3. No Action ..................................................................................................................... E-16
2.4. Alternatives Considered but Eliminated ....................................................................... E-17
2.4.1. Project Site Alternatives ................................................................................. E-17
2.4.2. Project Facility Designs, Processes, and Operations Alternatives .................. E-19
2.4.3. Alternative Energy Sources ............................................................................ E-23
2.4.4. Consequence of License Application Denial .................................................. E-24
3 Consultation and Scoping..................................................................................................E-24
3.1. Consultation .................................................................................................................. E-24
3.2. Scoping ......................................................................................................................... E-26
3.3. Response to Comments on the Draft License Application ........................................... E-29
3.4. REA Notice .................................................................................................................. E-29
4 Environmental Analysis ....................................................................................................E-30
4.1. Cumulative Effects ....................................................................................................... E-30
4.1.1. Geographic Scope ........................................................................................... E-30
4.1.2. Temporal Scope .............................................................................................. E-31
4.2. Applicable Laws ........................................................................................................... E-31
4.2.1. Section 401 of the Clean Water Act ............................................................... E-31
4.2.2. Section 404 of the Clean Water Act ............................................................... E-31
4.2.3. Endangered Species Act ................................................................................. E-31
4.2.4. Magnuson-Stevens Fishery Conservation and Management Act ................... E-31
4.2.5. Coastal Zone Management Act ....................................................................... E-32
4.2.6. National Historic Preservation Act ................................................................. E-32
4.2.7. Wild and Scenic Rivers Act ............................................................................ E-32
4.2.8. The National Trails System ............................................................................ E-33
4.3. General Description of River Basin ............................................................................. E-33
4.3.1. Topography ..................................................................................................... E-33
4.3.2. Hydrology ....................................................................................................... E-37
4.3.3. Climate ............................................................................................................ E-38
4.3.4. Land and Water Uses ...................................................................................... E-39
4.4. Geological and Soil Resources ..................................................................................... E-43
4.4.1. Affected Environment ..................................................................................... E-43
4.4.2. Environmental Analysis .................................................................................. E-61
4.4.3. Proposed Environmental Measures ................................................................. E-64
4.4.4. Cumulative Effects Analysis ........................................................................... E-65
4.4.5. Unavoidable Adverse Impacts ........................................................................ E-65
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4.5. Water Quality and Quantity ......................................................................................... E-65
4.5.1. Affected Environment ..................................................................................... E-65
4.5.2. Environmental Analysis .................................................................................. E-86
4.5.3. Proposed Environmental Measures ................................................................. E-89
4.5.4. Cumulative Effects Analysis ........................................................................... E-90
4.5.5. Unavoidable Adverse Impacts ........................................................................ E-90
4.6. Aquatic Resources ........................................................................................................ E-91
4.6.1. Affected Environment ..................................................................................... E-91
4.6.2. Environmental Analysis ................................................................................ E-195
4.6.3. Proposed Environmental Measures ............................................................... E-242
4.6.4. Cumulative Effects Analysis ......................................................................... E-244
4.6.5. Unavoidable Adverse Impacts ...................................................................... E-244
4.7. Terrestrial Resources .................................................................................................. E-244
4.7.1. Affected Environment ................................................................................... E-247
4.7.2. Environmental Analysis ................................................................................ E-307
4.7.3. Proposed Environmental Measures ............................................................... E-333
4.7.4. Cumulative Effects Analysis ......................................................................... E-336
4.7.5. Unavoidable Adverse Impacts ...................................................................... E-337
4.8. Recreation and Land Use Resources .......................................................................... E-337
4.8.1. Affected Environment ................................................................................... E-337
4.8.2. Environmental Analysis ................................................................................ E-352
4.8.3. Proposed Environmental Measures ............................................................... E-358
4.8.4. Cumulative Effects Analysis ......................................................................... E-361
4.8.5. Unavoidable Adverse Impacts ...................................................................... E-362
4.9. Aesthetic Resources ................................................................................................... E-362
4.9.1. Affected Environment ................................................................................... E-362
4.9.2. Environmental Analysis ................................................................................ E-375
4.9.3. Proposed Environmental Measures ............................................................... E-384
4.9.4. Cumulative Effects Analysis ......................................................................... E-384
4.9.5. Unavoidable Adverse Impacts ...................................................................... E-385
4.10. Cultural Resources ..................................................................................................... E-385
4.10.1. Affected Environment ................................................................................... E-385
4.10.2. Environmental Analysis ................................................................................ E-390
4.10.3. Cumulative Effects Analysis ......................................................................... E-393
4.10.4. Unavoidable Adverse Impacts ...................................................................... E-393
4.11. Socioeconomics .......................................................................................................... E-394
4.11.1. Affected Environment ................................................................................... E-394
4.11.2. Environmental Analysis ................................................................................ E-398
4.11.3. Proposed Environmental Measures ............................................................... E-400
4.11.4. Cumulative Effects Analysis ......................................................................... E-400
4.11.5. Unavoidable Adverse Impacts ...................................................................... E-400
4.12. Developmental Analysis ............................................................................................. E-400
4.12.1. Power and Economic Benefits of the Project ............................................... E-400
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4.12.2. Costs of Environmental Measures ................................................................ E-401
4.12.3. Comparison of Alternatives .......................................................................... E-401
4.13. Consistency with Comprehensive Plans ..................................................................... E-402
4.13.1. Bureau of Land Management. South central Alaska water resources study:
Anticipating water and related land resource needs. October 1981. ....................... E-402
4.13.2. Alaska Department of Natural Resources. Fish Creek management plan.
August 1984. ............................................................................................................. E-402
4.13.3. Alaska Department of Fish and Game. Palmer Hay Flats State Game Refuge.
December 2002. ........................................................................................................ E-402
4.13.4. Alaska Department of Fish and Game. Susitna Flats State Game Refuge. March
1988. .................................................................................................................. E-403
4.13.5. Alaska Department of Fish and Game. Catalog of waters important for
spawning, rearing, or migration of anadromous fishes. June 2014. ........................ E-403
4.13.6. Department of Fish and Game. Anchor River/Fritz Creek Habitat Area. June
1989. .................................................................................................................. E-403
4.13.7. Alaska Department of Fish and Game. Mendenhall Wetlands State Game
Refuge. March 1990. ............................................................................................... E-403
4.13.8. Alaska Department of Fish and Game. Anchorage Coastal Wildlife Refuge.
February 1991. .......................................................................................................... E-403
4.13.9. Alaska Department of Fish and Game. Minto Flats State Game Refuge. March
1992. .................................................................................................................. E-403
4.13.10. Alaska Department of Fish and Game. Kachemak Bay/Fox River Flats
Critical Habitat Areas. December 1993. .................................................................. E-403
4.13.11. Alaska Department of Fish and Game. Trading Bay State Game Refuge and
Redoubt Bay Critical Habitat Area. July 1994. ....................................................... E-403
4.13.12. Alaska Department of Fish and Game. Tugidak Island Critical Habitat Area.
June 1995. ................................................................................................................. E-403
4.13.13. Alaska Department of Fish and Game. McNeil River State Game Refuge and
State Game Sanctuary, draft. November 1995. ....................................................... E-404
4.13.14. Alaska Department of Fish and Game. Kenai River comprehensive
management plan. December 1997. ......................................................................... E-404
4.13.15. Alaska Department of Fish and Game. Atlas to the catalog of waters
important for spawning, rearing, or migration of anadromous fishes. 2014. .......... E-404
4.13.16. Alaska Department of Fish and Game. Yakataga State Game Refuge June
1999. .................................................................................................................. E-404
4.13.17. Alaska Department of Fish and Game. Kenai Peninsula brown bear
conservation strategy. June 2000. ............................................................................ E-404
4.13.18. Department of Agriculture, U.S. Forest Service. Chugach National Forest
revised land and resource management plan. May 2002. ........................................ E-404
4.13.19. Alaska Department of Natural Resources. Alaska’s Outdoor Legacy:
Statewide Comprehensive Outdoor Recreation Plan (SCORP) 2009-2014. July 2009. ..
.................................................................................................................. E-404
4.13.20. U.S. Fish and Wildlife Service. Fisheries USA: the recreational fisheries
policy of the U.S. Fish and Wildlife Service. December 1989. ............................... E-404
5 References .........................................................................................................................E-406
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Exhibit E Attachments
Attachment E-1. Licensing Consultation Record
Attachment E-2. Aquatic Mapping and Instream Flow Study, Addendum
Attachment E-3. Terrestrial Resources Study, Final Report Addendum
EXHIBIT F: GENERAL DESIGN DRAWINGS AND SUPPORTING
INFORMATION
1 Contents and Purpose of this Exhibit................................................................................. F-1
Exhibit F Attachments
Attachment F-1. Preliminary Supporting Design Report
Attachment F-2. Preliminary Facility Design Drawings
EXHIBIT G: PROJECT BOUNDARY MAPS
1 Contents and Purpose of This Exhibit .............................................................................. G-1
Exhibit G Attachments
Attachment G-1. Project Boundary Maps
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List of Tables
Exhibit A – Project Description
Table A.4-1. General characteristics of the proposed Grant Lake Project facility. ................... A-9
Table A.5-1. Tabulation of federal lands within the proposed Project boundary, by township,
range and section. .............................................................................................................. A-15
Exhibit B – Project Operations and Resource Utilization
Table B.3-1. Grant Creek monthly flow statistics, in cfs (calendar years 1948-2013). ........... B-10
Table B.3-2. Grant Creek annual and monthly daily average flow exceedance percentile, in cfs
(calendar years 1948-2013)............................................................................................... B-11
Table B.3-3. Grant Lake storage and surface area relative to lake elevation. ......................... B-16
Table B.3-4. Grant Lake Project Maximum and Minimum Operating Conditions. ................ B-18
Exhibit C – Construction Schedule
[No tables.]
Exhibit D – Statement of Costs and Financing
Table D.4-1. Summary of estimated costs associated with construction of major Project works.
(All costs in 2015 dollars.) .................................................................................................. D-2
Table D.5-1. Annual operation and maintenance costs. ............................................................ D-4
Table D.6-1. Contingency spinning reserve. ............................................................................. D-6
Table D.8-1. HEA generation facilities. .................................................................................... D-8
Exhibit E – Environmental Analysis
Table E.1-1. Milestones associated with filing of the Project DLA. .......................................... E-2
Table E.2-1. General characteristics of the proposed Grant Lake Project facility. .................... E-7
Table E.2-2. KHL proposed environmental measures .............................................................. E-14
Table E.2-3. HEA generation facilities. .................................................................................... E-23
Table E.3-1. List of consulted parties. ...................................................................................... E-24
Table E.3-2. Major consultation engagements to date. ............................................................. E-26
Table E.4-1. Mean monthly and annual discharge data for Grant Creek in cfs. (Calculation
period 9/1/1947-9/30/1958 at USGS Gage 15246000).1 ................................................... E-37
Table E.4-2. Mean monthly and annual discharge data for Grant Creek in cfs. (Calculation
period 1/1/1948-12/31/2013 based on 66 year composite record). .................................... E-38
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Table E.4-3. Mean monthly and annual precipitation and temperature based on NOAA records1
and Grant Creek weather station (GC 200 – based on 9/15/2011-6/17/2014 period of
record). ............................................................................................................................... E-39
Table E.4-4. Relative erodability integrating erosion susceptibility with wave energy potential.
............................................................................................................................................ E-53
Table E.4-5. Summary of incipient motion calculations at 385 cfs. ......................................... E-60
Table E.4-6. Potential geomorphic responses from Project operational conditions. ................. E-63
Table E.4-7. Mean monthly and annual discharge data for Grant Creek in cfs. (Calculation
period 1/1/1948-12/31/2013 based on 66-year composite record). ................................... E-71
Table E.4-8. Water quality parameters sampled in Grant Lake, Grant Creek and Trail Lakes
Narrows, calendar year (CY) 2013. ................................................................................... E-73
Table E.4-9. Water quality sampling results for the Grant Lake GLTS site – 2009, 2010, and
2013. 1,2............................................................................................................................. E-74
Table E.4-10. Water quality sampling results for the Grant Lake GLOut site – 2009, 2010, and
2013. 1,2............................................................................................................................. E-75
Table E.4-11. Water quality sampling results for the Grant Creek GC200 site – 2009, 2010, and
2013. 1,2............................................................................................................................. E-77
Table E.4-12. Water quality sampling results for the Trail Lake Narrows site – 2013. 1,2 ..... E-78
Table E.4-13. Comparison of mean monthly temperatures at shallow Grant Creek depths and
Grant Creek – 2009-2013................................................................................................... E-86
Table E.4-14. Proposed monthly and annual powerhouse flows and watershed inflows for Grant
Lake Project. ...................................................................................................................... E-87
Table E.4-15. Upstream, downstream and net passage of pink, Chinook, sockeye and coho
salmon across the weir in Grant Creek, 2013. ................................................................... E-97
Table E.4-16. Stream life estimates for the combined recovery of Floy tagged and radio tagged
Chinook, sockeye and coho salmon in Grant Creek, 2013. ............................................... E-98
Table E.4-17. Visual counts of sockeye, Chinook and coho salmon above and below the weir in
Grant Creek, 2013. ........................................................................................................... E-100
Table E.4-18. Escapement estimates for salmon in Grant Creek at the weir and estimated from
area-under-the curve with stream life and observer efficiency. ....................................... E-108
Table E.4-19. Run timing by week of the year for pink, Chinook, sockeye and coho salmon
assessed at the weir on Grant Creek, 2013. ..................................................................... E-109
Table E.4-20. Mean, maximum, and minimum length and weight of Chinook, sockeye and coho
salmon measured at the weir on Grant Creek, 2013. 1 .................................................... E-110
Table E.4-21. Age-at-return for coho, Chinook and sockeye salmon sampled in Grant Creek,
2013.................................................................................................................................. E-111
Table E.4-22. Length-at-age for returning coho salmon sampled at the Grant Creek weir in 2013.
Length (cm) was measured from mid-eye to the fork of the caudal fin. ......................... E-111
Table E.4-23. General freshwater life history of Chinook, coho and sockeye salmon returning to
Grant Creek, 2013. ........................................................................................................... E-112
Table E.4-24. Number of Chinook, sockeye, pink, and coho salmon recovered during carcass
surveys on Grant Creek, 2013. ......................................................................................... E-112
Table E.4-25. Number of new redds constructed in Grant Creek by week of the year for pink,
Chinook, sockeye and coho salmon in 2013. A designation of “MS” (Mass Spawning)
means that new redds and old redds for could not be distinguished in the mass spawning
aggregates. ....................................................................................................................... E-113
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Table E.4-26. Number and proportion of redds counted in each reach of Grant Creek for pink,
Chinook, sockeye and coho salmon in 2013. ................................................................... E-129
Table E.4-27. The number of unique detections of radio-tagged adult salmon by species and
reach within Grant Creek. ................................................................................................ E-129
Table E.4-28. Location of salmon redds within different channel areas of Grant Creek. ...... E-130
Table E.4-29. Location of pink, Chinook, sockeye and coho salmon redds within reaches and
aquatic habitats of Grant Creek. A designation of “NA” means that the habitat type was not
available in that reach of Grant Creek. ............................................................................ E-131
Table E.4-30. Number of detections for radio tagged Chinook, sockeye, and coho salmon in
aquatic habitats of Grant Creek, 2013.............................................................................. E-132
Table E.4-31. Weekly passage of rainbow trout and Dolly Varden across the weir in Grant
Creek, 2013. ..................................................................................................................... E-133
Table E.4-32. The travel time and length of residence of radio-tagged rainbow trout detected in
Reach 5 of Grant Creek. ................................................................................................... E-134
Table E.4-33. Number of minnow traps, total effort, and number of fish captured in Reach 5 of
Grant Creek from April through October 2013. .............................................................. E-137
Table E.4-34. Number, proportion and CPUE of fish caught in Reach 5 of Grant Creek with
minnow traps from April through October 2013. ............................................................ E-137
Table E.4-35. Number of fish captured in minnow traps by month for upper Grant Creek from
April through October 2013. ............................................................................................ E-138
Table E.4-36. The date of tagging, transmitter coding, capture method, sex, weight and length of
20 adult rainbow trout tagging in Grant Creek, Alaska 2013. ......................................... E-142
Table E.4-37. Habitat use by location based on mobile telemetry surveys for radio-tagged
rainbow trout in Grant Creek, AK, 2014. ........................................................................ E-143
Table E.4-38. The number of radio-tagged rainbow trout and Dolly Varden detected by reach
within Grant Creek, Alaska 2013. .................................................................................... E-143
Table E.4-39. The date of last detection for 18 radio-tagged adult rainbow trout in Grant Creek,
Alaska, 2013. ................................................................................................................... E-147
Table E.4-40. Number of minnow traps, total effort, and number of fish captured in lower Grant
Creek from April through October 2013. ........................................................................ E-148
Table E.4-41. Number, proportion, and CPUE for fish caught in Lower Grant Creek from April
through October of 2013. ................................................................................................. E-148
Table E.4-42. Number, proportion and CPUE of fish caught in lower Grant Creek with minnow
traps from April through October, 2013. ......................................................................... E-149
Table E.4-43. Numbers of fish collected from minnow trapping in lower Grant Creek from April
through October 2013. ..................................................................................................... E-150
Table E.4-44. Number of fish captured in minnow traps in different reaches of lower Grant
Creek from April through October 2013. ........................................................................ E-151
Table E.4-45. CPUE for fish captured in minnow traps in different reaches of lower Grant Creek
from April through October 2013. ................................................................................... E-151
Table E.4-46. Number and density of salmonids observed during night time snorkel surveys in
lower Grant Creek in April 2013. .................................................................................... E-154
Table E.4-47. Abundance of salmonids observed in 20-mm increments during night time
snorkels surveys in lower Grant Creek in April and May 2013. ..................................... E-155
Table E.4-48. Number and density of salmonids observed during night time snorkel surveys in
lower Grant Creek in May 2013. ..................................................................................... E-155
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Table E.4-49. The number of fish released and recovered by species for the two flow blocks and
their corresponding trap efficiencies. ............................................................................... E-156
Table E.4-50. The number of juvenile migrants by species captured within the lower incline
plane trap, and corresponding abundance estimates and standard errors based on capture
efficiencies in Grant Creek. ............................................................................................. E-157
Table E.4-51. Number of minnow traps, total effort, number of fish captured and CPUE in the
Trail Lake Narrows in July 2013. .................................................................................... E-160
Table E.4-52. Number, proportion and CPUE of fish caught in the Trail Lake Narrows with
minnow traps in July 2013. .............................................................................................. E-160
Table E.4-53. Number and proportion of catch for fish seined in beach areas of the Trail Lake
Narrows in July 2013. ...................................................................................................... E-163
Table E.4-54. Angling station and number and size and weight of rainbow trout and Dolly
Varden observed in July 2013. ......................................................................................... E-164
Table E.4-55. Mesohabitats found in Grant Creek. ................................................................ E-168
Table E.4-56. Aquatic habitats found in Grant Creek. ........................................................... E-168
Table E.4-57. List of macroinvertebrate taxa collected at Grant Creek sampling sites GC100 and
GC300, 2009 and 2013. ................................................................................................... E-189
Table E.4-58. Grant Creek macroinvertebrate population density and taxa richness metrics, 2009
and 2013. 1,2 .................................................................................................................... E-190
Table E.4-59. Grant Creek macroinvertebrate population composition by percent metrics, 2009
and 2013.1 ........................................................................................................................ E-191
Table E.4-60. Grant Creek macroinvertebrate functional feeding group metrics based on entire
sample from each site, 2009 and 2013. ............................................................................ E-191
Table E.4-61. Grant Creek macroinvertebrate biotic indices and habitat assessments, 2009 and
2013.................................................................................................................................. E-192
Table E.4-62. Mean percent composition of the aquatic insect fauna in streams of the Cook Inlet
Basin, Alaska [modified from Oswood and others (1995)] (excerpted from Brabets et al.
1999) and in Grant Creek, 2009 and 2013. ...................................................................... E-193
Table E.4-63. Scoring thresholds for core metrics used to calculate ASCI scores (excerpted from
Major et al. 2000), and Grant Creek: average of GC100 and GC300, 2009. .................. E-193
Table E.4-64. ASCI scores based on core metrics (excerpted from Major et al. 2000), and score
for Grant Creek: average of GC100 and GC300, 2009. .................................................. E-194
Table E.4-65. Average1 concentrations of chlorophyll a from periphyton collected in Grant
Creek, 2009 and 2013. ..................................................................................................... E-194
Table E.4-66. Grant Lake salmonid species and life history stages. ...................................... E-196
Table E.4-67. Results of the Grant Creek habitat time series analysis (KHL 2014h; Attachment
E-2), which depicts the post-Project WUA relative to the pre-Project conditions for
anadromous and resident salmonids by life stage. ........................................................... E-199
Table E.4-68. Mesohabitat assessment sites (revised from KHL 2010c). .............................. E-208
Table E.4-69. Calibration flows, Grant Creek (as measured in the mainstem). ..................... E-209
Table E.4-70. Calculations of flow in side channels, lobes, and tributaries, as related to the Grant
Creek flow. 1 .................................................................................................................... E-209
Table E.4-71. Flow portioning in Grant Creek for PHABSIM study. .................................... E-210
Table E.4-72. Salmonid species and life history stages to be modeled in the Grant Creek
Instream Flow Study. ....................................................................................................... E-211
Table E.4-73. Life history stages modeled at each Grant Creek transect. .............................. E-212
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Grant Lake Hydroelectric Project Kenai Hydro, LLC
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Table E.4-74. Grant Lake salmonid species and life history stages. ...................................... E-213
Table E.4-75. Summary of transect and reach weighting. ...................................................... E-215
Table E.4-76. Proposed Grant Creek engineering flows and salmonid species and life history
periodicity. ....................................................................................................................... E-217
Table E.4-77. Grant Creek spawning WUA. .......................................................................... E-219
Table E.4-78. Grant Creek fry rearing WUA. ........................................................................ E-220
Table E.4-79. Grant Creek juvenile and adult rearing WUA. ................................................ E-221
Table E.4-80. Transects used to model spawning habitat on Grant Creek. ............................ E-224
Table E.4-81. Approximate flows at which certain percentages of spawning and incubation
habitat are protected, given an initial spawning flow of 450 cfs or median pre-Project and
post-Project spawning flows (all values in cfs). .............................................................. E-225
Table E.4-82. Grant Creek pre-Project and with-Project WUA for life history stages. ......... E-239
Table E.4-83. Species evaluated for connectivity in Grant Creek. ......................................... E-240
Table E.4-84. Discharge (cfs) for meeting salmonid passage criteria in Reach 5, Grant Creek. ....
.......................................................................................................................................... E-241
Table E.4-85. Upland vegetation types, acres, and percentages within the vegetation study area.
.......................................................................................................................................... E-247
Table E.4-86. Wetlands and waters – summary within wetlands assessment area. ................ E-258
Table E.4-87. Wetlands and waters within the 2014 wetlands assessment area (detailed). ... E-271
Table E.4-88. Raptors detected during site specific studies and year of study. ....................... E-277
Table E.4-89. Bird species and breeding habitats in the 2013 wildlife study area. 1 ............. E-279
Table E.4-90. Qualitative assessment of avian species presence in sampled 2013 wildlife study
area vegetation classification. .......................................................................................... E-283
Table E.4-91. Qualitative assessment of avian species presence in non-sampled Project area
vegetation classification. .................................................................................................. E-287
Table E.4-92. Waterfowl species detected during 2010 studies. ............................................ E-290
Table E.4-93. Acres of upland vegetation types affected by the Project. ............................... E-311
Table E.4-94. Total area and percentages of upland vegetation types affected by the Project. ......
.......................................................................................................................................... E-311
Table E.4-95. Estimated direct and indirect impacts to wetlands and waters. ........................ E-315
Table E.4-96. Potential impacts to wetlands and waters by Project infrastructure type. ........ E-323
Table E.4-97. Proposed Project mitigation ratios and ILF preservation credit requirements in
acres. ................................................................................................................................ E-335
Table E.4-98. Numbers of trail users by type and location. ................................................... E-346
Table E.4-99. Harvest within Game Management Unit 7 (ADF&G 2013). ........................... E-349
Table E.4-100. Viewer group and expected values for the viewshed. .................................... E-362
Table E.4-101. Distance zones (USFS 1995). ........................................................................ E-365
Table E.4-102. Viewer groups and exposure period. .............................................................. E-365
Table E.4-103. Attractiveness classes and description (USFS 1995). .................................... E-366
Table E.4-104. Scenic class matrix (USFS 1995)................................................................... E-366
Table E.4-105. Unit key matrix. ............................................................................................. E-367
Table E.4-106. AHRS sites located within the Project area. .................................................. E-386
Table E.4-107. Summary of cultural resources and their eligibility status. ............................ E-389
Table E.4-108. Case Mine District contributing and non-contributing elements. .................. E-390
Table E.4-109. Summary of the estimated effect of the project for historic properties. ........ E-392
Table E.4-110. Kenai Peninsula Borough land ownership information (KPB 2005). ............ E-394
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Grant Lake Hydroelectric Project Kenai Hydro, LLC
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Table E.4-111. Population growth in the Kenai Peninsula Borough (KPB 2010). ................ E-396
Table E.4-112. Income and occupations in Kenai Peninsula Borough (2013 U.S. Census Data).
.......................................................................................................................................... E-397
Table E.4-113. Employment in the Kenai Peninsula Borough (2013 U.S. Census Data). 1 .. E-398
Table E.4-114. KHL monthly manpower estimates and associated payroll expenditures for
construction of the Grant Lake Project. ........................................................................... E-399
Table E.4-115. Summary of parameters and assumptions used for the economic analysis of the
Grant Lake Project. .......................................................................................................... E-401
Table E.4-116. Summary of cost, power benefits, and net benefits of the Grant Lake Project.
(All costs in 2015 dollars). ............................................................................................... E-402
Exhibit F – General Design Drawings and Supporting Information
Table F.1-1. Summary of design drawings for the Grant Lake Project. ..................................... F-1
Exhibit G – Project Boundary Maps
[No tables.]
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Grant Lake Hydroelectric Project Kenai Hydro, LLC
FERC No. 13212 xiv March 2015
List of Figures
Exhibit A – Project Description
Figure A.3-1. Location map of Project vicinity. ........................................................................ A-3
Figure A.4-1. General Project features and facilities. ................................................................ A-7
Exhibit B – Project Operations and Resource Utilization
Figure B.3-1. Grant Lake average annual hydrograph. ........................................................... B-10
Figure B.3-2. Grant Lake monthly flow duration curves (calendar years 1948-2013). ........... B-12
Figure B.3-3. Grant Lake annual flow duration curves with Project and without Project
conditions (calendar years 1948-2013). ............................................................................ B-13
Figure B.3-4. Grant Lake storage capacity curve. ................................................................... B-14
Figure B.3-5. Grant Lake surface area curve. .......................................................................... B-15
Figure B.3-6. Grant Lake rule curve. ....................................................................................... B-17
Figure B.3-7. Grant Lake tailwater rating curve. ..................................................................... B-18
Figure B.3-8. Project power generation vs. net head. .............................................................. B-19
Figure B.4-1. HEA’s load forecast. ......................................................................................... B-20
Figure B.4-2. HEA’s load duration curve. ............................................................................... B-20
Exhibit C – Construction Schedule
Figure C.2-1. Grant Lake Project, schedule. .............................................................................. C-3
Exhibit D – Statement of Costs and Financing
[No figures.]
Exhibit E – Environmental Analysis
Figure E.2-1. General Project features and facilities. ................................................................. E-5
Figure E.4-1. Location map of Project vicinity. ....................................................................... E-35
Figure E.4-2. Land status, ownership, water rights, and mineral claims in the Project vicinity. ....
............................................................................................................................................ E-41
Figure E.4-3. Geologic lineament, Grant Lake Project area. ..................................................... E-45
Figure E.4-4. Grant Lake shoreline geomorphology and relative erosion potential. ................. E-51
Figure E.4-5. Water quality, temperature, and hydrology study locations, 2013. .................... E-67
Figure E.4-6. Grant Creek stream profile generated from LiDAR (2002). Vertical axis is in feet
NAVD 88 and horizontal axis is in feet as measured from the outlet at Grant Creek. ...... E-69
Figure E.4-7. Comparison of historical and 2013 mean daily flow records. ............................ E-70
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Figure E.4-8. Daily mean water temperatures all Grant Creek main channel sites – 2013. ..... E-79
Figure E.4-9. Comparison of daily mean water temperatures between two off channel rearing
locations and the main channel of Grant Creek – 2013-2014. ........................................... E-81
Figure E.4-10. A comparison of daily mean water temperatures for Grant Creek, CY 2009 –
2014.................................................................................................................................... E-82
Figure E.4-11. Daily mean water temperature profiles in Grant Lake near the proposed intake
structure.............................................................................................................................. E-83
Figure E.4-12. Comparison of daily mean water temperatures in Grant Lake near the proposed
intake structure – 2013-June 2014. .................................................................................... E-84
Figure E.4-13. A comparison of daily mean water temperatures for shallow depths (< 3 meters)
of Grant Lake and Grant Creek in a) 2009 and b) 2013-2014. .......................................... E-85
Figure E.4-14. Grant Creek reaches. ......................................................................................... E-93
Figure E.4-15. The A-frame weir used on Grant Creek to count adult salmon, rainbow trout and
Dolly Varden in 2013......................................................................................................... E-96
Figure E.4-16. Observer efficiency relationships for sockeye, Chinook and coho salmon in Grant
Creek, 2013. ....................................................................................................................... E-99
Figure E.4-17. Visual surveys of Chinook salmon location in Grant Creek, 2013. ............... E-101
Figure E.4-18. Visual surveys of coho salmon location in Grant Creek, 2013. ..................... E-103
Figure E.4-19. Visual surveys of sockeye salmon location in Grant Creek, 2013. ................ E-105
Figure E.4-20. Plots of visual counts used to estimate area-under-the-curve for Chinook, sockeye
and coho salmon in Grant Creek, 2013. ........................................................................... E-107
Figure E.4-21. Spawning locations for Chinook salmon in Grant Creek, 2013. .................... E-115
Figure E.4-22. Spawning locations for coho salmon in Grant Creek, 2013. .......................... E-117
Figure E.4-23. Spawning locations for sockeye salmon in Grant Creek, 2013. ..................... E-119
Figure E.4-24. Spawning locations for pink salmon in Grant Creek, 2013. ........................... E-121
Figure E.4-25. Mobile telemetry detections for radio tagged Chinook salmon in Grant Creek,
2013.................................................................................................................................. E-123
Figure E.4-26. Mobile telemetry detections for radio tagged sockeye salmon in Grant Creek,
2013.................................................................................................................................. E-125
Figure E.4-27. Mobile telemetry detections for radio tagged coho salmon in Grant Creek, 2013.
.......................................................................................................................................... E-127
Figure E.4-28. Mobile telemetry detections for radio tagged rainbow trout in Reach 5 of Grant
Creek, 2013. ..................................................................................................................... E-135
Figure E.4-29. Location of minnow traps placed in Grant Creek, 2013. ................................ E-139
Figure E.4-30. Catch-per-unit-effort (CPUE) for juvenile Chinook (CK), coho (CO), Dolly
Varden (DV) and rainbow trout (RB) from minnow trapping in upper Grant Creek from
April through October, 2013. ........................................................................................... E-141
Figure E.4-31. The length-weight relationship of radio-tagged adult rainbow trout in Grant
Creek, 2013. ..................................................................................................................... E-142
Figure E.4-32. Mobile telemetry detections for radio tagged rainbow trout in Reach 1-4 of Grant
Creek, 2013. ..................................................................................................................... E-145
Figure E.4-33. CPUE for juvenile Chinook, coho, Dolly Varden and rainbow trout from minnow
trapping in lower Grant Creek from April through October, 2013. ................................. E-150
Figure E.4-34. CPUE for fish captured in minnow traps placed in backwater, side channel and
mainstem areas of lower Grant Creek from April through October 2013. ...................... E-152
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Figure E.4-35. CPUE for salmonids captured in minnow traps placed in backwater, side channel
and mainstem areas of lower Grant Creek from April through October 2013. ............... E-152
Figure E.4-36. CPUE for salmonids captured in minnow traps placed in different habitat unit
types of lower Grant Creek from April through October 2013. ...................................... E-153
Figure E.4-37. The distribution of size by date for Chinook, coho, rainbow trout, and Dolly
Varden captured in the lower incline plane trap, Grant Creek, Alaska 2013. ................. E-158
Figure E.4-38. Emigration timing for Chinook, coho, and Dolly Varden juveniles at the Lower
Incline Plane Trap in Grant Creek, Alaska, 2013. Estimated or extrapolated values are
highlighted red. ................................................................................................................ E-159
Figure E.4-39. Location of minnow traps and angling stations in the Trail Lake Narrows, 2013.
.......................................................................................................................................... E-161
Figure E.4-40. Grant Creek mesohabitats. .............................................................................. E-169
Figure E.4-41. Aquatic habitats. ............................................................................................. E-181
Figure E.4-42. Grant Creek instream flow transect locations. ................................................ E-203
Figure E.4-43. Average Grant Creek pre-Project and with-Project flows. ............................. E-218
Figure E.4-44. Grant Creek spawning WUA. ......................................................................... E-222
Figure E.4-45. Grant Creek fry rearing WUA. ....................................................................... E-222
Figure E.4-46. Grant Creek juvenile and adult rearing WUA. ............................................... E-223
Figure E.4-47. Chinook spawning WUA. ............................................................................... E-230
Figure E.4-48. Chinook fry rearing WUA. ............................................................................. E-230
Figure E.4-49. Chinook juvenile rearing WUA. ..................................................................... E-231
Figure E.4-50. Coho spawning WUA. .................................................................................... E-231
Figure E.4-51. Coho fry rearing WUA. .................................................................................. E-232
Figure E.4-52. Coho juvenile rearing WUA. .......................................................................... E-232
Figure E.4-53. Sockeye spawning WUA. ............................................................................... E-233
Figure E.4-54. Dolly Varden spawning WUA........................................................................ E-233
Figure E.4-55. Dolly Varden fry rearing WUA. ..................................................................... E-234
Figure E.4-56. Dolly Varden juvenile rearing WUA. ............................................................. E-234
Figure E.4-57. Dolly Varden adult rearing WUA................................................................... E-235
Figure E.4-58. Rainbow trout spawning WUA. ..................................................................... E-235
Figure E.4-59. Rainbow trout fry rearing WUA. .................................................................... E-236
Figure E.4-60. Rainbow trout juvenile rearing WUA. ............................................................ E-236
Figure E.4-61. Rainbow trout adult rearing WUA. ................................................................ E-237
Figure E.4-62. Salmonid spawning WUA. ............................................................................. E-237
Figure E.4-63. Salmonid fry rearing WUA. ........................................................................... E-238
Figure E.4-64. Salmonid juvenile rearing WUA. ................................................................... E-238
Figure E.4-65. Salmonid adult rearing WUA. ........................................................................ E-239
Figure E.4-66. Natural resources study area. .......................................................................... E-245
Figure E.4-67. Upland vegetation types. ................................................................................ E-247
Figure E.4-68. Updated 2014 wetland assessment area. ......................................................... E-255
Figure E.4-69. Wetland and waters types - global indicator map. ........................................... E-259
Figure E.4-70. Wetland and waters types - Grant Creek. ........................................................ E-261
Figure E.4-71. Wetland and waters types - Grant Lake-intake. ............................................... E-263
Figure E.4-72. Wetland and waters types - Grant Lake-NW elbow. ....................................... E-265
Figure E.4-73. Wetland and waters types - Grant Lake-island east. ........................................ E-267
Figure E.4-74. Wetland and waters types - Grant Lake-east end. .......................................... E-269
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Figure E.4-75. Major brown bear forage and denning habitat (Ebasco 1984). ....................... E-293
Figure E.4-76. Major brown bear forage and denning habitat (USFS 2008). ........................ E-295
Figure E.4-77. Mountain goat observations in study area 1982 (Ebasco 1984). .................... E-299
Figure E.4-78. High value brown bear, mountain goat, moose habitat, and moose winter range
(USFS 2008). ................................................................................................................... E-301
Figure E.4-79. Dall’s sheep observations in study area 1982 (Ebasco 1984). ......................... E-303
Figure E.4-80. Moose range on study area (Ebasco 1984). ..................................................... E-305
Figure E.4-81. General Project features, facilities, adjacent cleared areas and right-of-ways. .......
.......................................................................................................................................... E-309
Figure E.4-82. Impacts to wetlands/waters – overview. .......................................................... E-317
Figure E.4-83. Impacts to wetlands/waters – west. ................................................................. E-319
Figure E.4-84. Impacts to wetlands/waters – east. ................................................................... E-321
Figure E.4-85. Proposed Grant Lake seasonal lake levels (solid line). Estimated natural lake
levels during the growing season shown as dashed line (approximately at or slightly above
703 feet NAVD 88). ......................................................................................................... E-328
Figure E.4-86. Project location. .............................................................................................. E-339
Figure E.4-87. Project vicinity recreation resources. .............................................................. E-342
Figure E.4-88. Trail Lake........................................................................................................ E-343
Figure E.4-89. Vagt Lake trailhead. ........................................................................................ E-343
Figure E.4-90. INHT along western side of Vagt Lake. ......................................................... E-343
Figure E.4-91. Total trail users, 2014. .................................................................................... E-345
Figure E.4-92. Trail users by type, 2014. ............................................................................... E-345
Figure E.4-93. Grant Lake trail. .............................................................................................. E-346
Figure E.4-94. Grant Lake Trail through meadow. ................................................................ E-346
Figure E.4-95. Floatplane tie up, Trail Lake. .......................................................................... E-347
Figure E.4-96. Game management Unit 7. ............................................................................. E-348
Figure E.4-97. Kenai Area Plan, enlargement of Grant Lake designation. ............................ E-351
Figure E.4-98. INHT corridor re-route flagging. .................................................................... E-357
Figure E.4-99. Unit keys. ........................................................................................................ E-367
Figure E.4-100. Looking south across Trail Lakes toward Kenai Lake-view from aircraft. .. E-368
Figure E.4-101. Unit 1: Trail Lakes Valley. ........................................................................... E-369
Figure E.4-102. Looking south across Grant Lake from Grant Lake Trail. ........................... E-370
Figure E.4-103. Unit 2: Grant Lake West. .............................................................................. E-371
Figure E.4-104. Looking west across Grant Lake, view from aircraft. .................................. E-372
Figure E.4-105. Unit 3: Grant Lake East. ............................................................................... E-373
Figure E.4-106. Location of key views. .................................................................................. E-376
Figure E.4-107. Key View 1: Before. ..................................................................................... E-377
Figure E.4-108. Key View 1: After. ....................................................................................... E-378
Figure E.4-109. Key View 2: Before. ..................................................................................... E-379
Figure E.4-110. Key View 2: After. ....................................................................................... E-379
Figure E.4-111. Key View 3: Before. ..................................................................................... E-380
Figure E.4-112. Key View 3: After. ....................................................................................... E-381
Figure E.4-113. Key View 4: Before and after. ...................................................................... E-382
Figure E.4-114. General Kenai Peninsula land ownership delineation (KPB 2005). .............. E-395
Figure E.4-115. Land use in the Kenai Peninsula Borough (KPB 2005). .............................. E-395
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FERC No. 13212 xviii March 2015
Exhibit F – General Design Drawings and Supporting Information
[No figures.]
Exhibit G – Project Boundary Maps
[No figures.]
DRAFT LICENSE APPLICATION
Grant Lake Hydroelectric Project Kenai Hydro, LLC
FERC No. 13212 xix March 2015
List of Acronyms and Abbreviations
ACE Alaska Center for the Environment
ADEC Alaska Department of Environmental Conservation
ACHP Advisory Council on Historic Preservation
ADA Americans with Disabilities Act
ADCP Acoustic Doppler Current Profiler
ADF&G Alaska Department of Fish and Game
ADNR Alaska Department of Natural Resources
ADOT&PF Alaska Department of Transportation & Public Facilities
AEA Alaska Energy Authority
AHRS Alaska Heritage Resources Survey
APDES Alaska Permit Discharge Elimination System
APE Area of Potential Effect
APP Avian Protection Plan
ARRC Alaska Railroad
ARWG Aquatic Resources Work Group
ASCI Alaska Stream Condition Index
ATV all-terrain vehicle
AUC Area-Under-the-Curve
AWC Anadromous Waters Catalog
Bcf billion cubic feet
BE Biological Evaluation
BGEPA Bald and Golden Eagle Protection Act
BLM U.S. Bureau of Land Management
BMP Best Management Practices
CEA Chugach Electric Association
CEII Critical Energy Infrastructure Information
CFC Cooperative Finance Corporation
CFR Code of Federal Regulations
cfs cubic feet per second
CIAA Cook Inlet Aquaculture Association
CIRI Cook Inlet Region, Inc.
CMT culturally modified trees
CPUE catch-per-unit-effort
CRWG Cultural Resources Work Group
CWA Clean Water Act
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CZMA Coastal Zone Management Act
DOE determination of eligibility
DLA Draft License Application
EA Environmental Assessment
ECM Environmental Compliance Monitor
EFH essential fish habitat
EPA U.S. Environmental Protection Agency
EPT Ephemeroptera/Plecoptera/Trichoptera
ESA Endangered Species Act
ESCP Erosion and Sediment Control Plan
FERC Federal Energy Regulatory Commission
FL fork length
FLA Final License Application
FPA Federal Power Act
FPP Fire Prevention Plan
fps feet per second
ft feet
GIS geographic information system
GPS global positioning system
GVEA Golden Valley Electric Association
HBI Hilsenhoff Biotic Index
HGM hydrogeomorphic
HPMP Historic Properties Management Plan
HSC habitat suitability criteria
HVAC heating, ventilating, and air conditioning
IFIM instream flow incremental methodology
IFSG Instream Flow Subgroup
ILF in-lieu fee
INHT Iditarod National Historical Trail
INHTRP Iditarod National Historic Trail Re-routing Plan
KPB Kenai Peninsula Bureau
KHI Kenai Hydro, Inc.
KHL Kenai Hydro, LLC
km kilometer
kV kilovolt
KRSA Kenai River Sportfishing Association
KRSMA Kenai River Special Management Area
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KRWF Kenai River Watershed Foundation
LB left blank
LWD large woody debris
m meter
MBTA Migratory Bird Treaty Act
MCC motor control center
MCE maximum credible earthquake
Mcf thousand cubic feet
MEA Matanuska Electric Association
mg/L milligrams/liter
ML&P Municipal Light & Power
mm millimeter
MOA Memorandum of Agreement
MW megawatt
MWh megawatt hour
NAVD 88 National American Vertical Datum of 1988
NEPA National Environmental Policy Act
NGO non-governmental organization
NGVD 29 National Geodetic Vertical Datum of 1929
NHI/HRC National Heritage Institute/Hydro Reform Coalition
NHPA National Historic Preservation Act
NOAA
Fisheries
National Oceanic and Atmospheric Administration
NOI Notice of Intent
NPS U.S. Department of Interior, National Park Service
NPV net present value
NREL National Renewable Energy Laboratory
NRHP National Register of Historic Places
NRWG Natural Resources Work Group
NWI National Wetland Inventory
O&M operation and maintenance
OCMP Operational Compliance Monitoring Plan
PAD Pre-Application Document
PHABSIM Physical Habitat Simulation
PM&E protection, mitigation and enhancement
Project or
Grant Lake
Project
Grant Lake Hydroelectric Project
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PSAP Public Safety and Access Plan
RB right bank
RBCA Resurrection Bay Conservation Alliance
RCA Regulatory Commission of Alaska
REA Ready for Environmental Analysis
RNA research natural area
ROW right-of-way
RTE rare, threatened, and endangered
RUS Rural Utilities Service
SCORP State Comprehensive Outdoor Recreation Plan
SD1 Scoping Document 1
SD2 Scoping Document 2
SDR Supporting Design Report
SES Seward Electric System
SHPO State Historic Preservation Officer
SPCCP Spill Prevention, Control and Containment Plan
Tcf trillion cubic feet
TCF The Conservation Fund
TCP traditional cultural property
THPO Tribal Historic Preservation Officer
TWG Technical Working Group
USACE U.S. Army Corps of Engineers
USDA U.S. Department of Agriculture
USFS U.S. Forest Service
USFWS U.S. Fish and Wildlife Service
USGS U.S. Geological Survey
VMP Vegetation Management Plan
WAA wetlands assessment area
WOUS waters of the U.S.
WSE water surface elevation
WUA weighted usable area