Before the FERC Application for New License for the Annex Creek ...

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-,t· " FEDERAL ENERGY REGULATORY COMMISSION WASHINGTON 20426 IN RE~LY REP'EA TO. OEPR-DIHLA Project No. 2307-Alaska Alaska Electric Light and Power Company Mr. William A. Corbus Manager Alaska Electric Light and Power Company 134 N. Franklin Street Juneau, Alaska 99801 Dear Mr. Corbus: . This is in reply to your letter of February 15, 1983, requesting an exemption from the requirements of Subpart D, Part 12 of the Commission's Regulations for the Annex Creek Development of the Salmon Creek and Annex Creek Project No. 2307. Based on the information contained in your letter, I am granting the requested exemption from the requirements for an inspection by an independent consultant for the Annex Creek Development of Project No. 2307. Sincerely, ~U.~ Ronald A. Corso Acting Director, Division of Inspections and HydrO-License Administration
ANNEX CREEK/SALMON CREEK HYDROELECTRIC PROJECT FERC NO. 2307 INFORMATION PACKET FOR PREFILING CONSULTATION - INITIAL MEETING January 17, 1985 Introduction This packet of information has been prepared to initiate the formal prefiling consultation required by regulations of the Federal Energy Regulatory Commission (FERC) for relicensing of the Annex Creek/Salmon Creek Project (Project) and has been sent to all agencies listed in Attachment A. Following the scoping meeting, agencies with jurisdiction over resources or expressing interest in the relicensing will be contacted for additional information and discussion. Our goal is to address and resolve all issues prior to completion of the draft license application, which will be submitted to all of the agencies listed in Attachment A. Agencies will have 60 days to comment on the draft application. The application will be finalized and filed with FERC by August 31, 1985. Project Description The Project includes existing developments at both Salmon and Annex Creeks. Locations of the facilities are shown in Fig. 1. The Salmon Creek facility consists of a l65-foot concrete arch dam which forms a reservoir with a maximum capacity of 19,000 acre-feet. Water from Salmon Creek Dam is conveyed downstream to the Upper Powerhouse by a 4,477-foot-long steel pipe. Before reaching the powerhouse the penstock divides into a wye branch which diverts the water either to the Upper Powerhouse or to another penstock leading to the Lower Powerhouse. This flow is controlled by two butterfly valves. The Upper Powerhouse contains two 2,500- horsepower impulse wheels directly connected to a 1,400-kW generator. The rehabilitation of the Lower Salmon Creek Hydroelectric Facility that was completed in December 1984 will provide an additional 2.8 MW of capacity and an estimated 15,000,000 kWh annually. The Annex Creek facility consists of a 20-foot timber crib dam located at Annex Lake outlet. A l,420-foot-long t.unnel has been driven into the lake, which provides a drawdown of 150 feet and 22,000 acre-feet of storage. At the tunnel outletk a 34-inch pipe is used to control the water supply. The penstock is a riveted steel pipe and is 7,273 feet long. Annex Creek Powerhouse contains two units, each consisting of a 2, SOO-horsepower impulse wheel, connected to a l,750-kVA generator. A 23-kV transmission line extends 12.4 miles between Annex Creek and Thane.
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Before the FEDERAL ENERGY REGULATOR
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ANNEX CREEK/SALMON CREEK HYDROELECT
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BEFORE THE FEDERAL ENERGY REGULATOR
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. Alaska Public Utilities Commissio
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EXHIBIT A PROJECT DESCRIPTION TABLE
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A-2 AELP and, consequently, to AELP
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Here a transition is made to a 78-i
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Township Exhibit and Range Section
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A-8 the crown of the arch, the dam
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3.6 ADDITIONAL EQUIPMENT A-10 Salmo
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APPENDIX A-1 PROJECT LICENSE CHRONO
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EXHIBIT B PROJECT OPERATION AND RES
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1.0 INTRODUCTION The Annex Creek an
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Streamflow Hydrology, Reservoir Inf
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3.0 SALMON CREEK COMPONENT Sa 1 mon
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B-7 Dur i ng adverse water years, w
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B-9 3.3 PROJECT OUTPUT UTILIZATION
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RESERVOIR SURFACE AREA (ACRES) 250
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240 220 200 180 -CI) 160 L&.. c.J -
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7~--------~------------------T-----
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1.0 CONSTRUCTION HISTORY OF EXISTIN
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C-3 Date March 23, 1973 May 1977 Ev
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C-5 1964-67 Date March 23, 1973 Dec
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LIST OF TABLES Table Number D-1 D-2
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D-2 2.0 FAIR VALUE, NET INVESTMENT,
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0-4 Table 0-6 presents the calculat
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D-6 4.0 ESTIMATED ANNUAL VALUE OF P
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TABLE D-2 ESTIMATED FAIR VALUE SALM
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TABLE D-4 PROJECT ANNUAL COST ANNEX
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ALTERNATIVE COST 10 MW DIESEL (1985
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SEVERENCE DAMAGES (1985 DOLLARS) TA
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TABLE D-7 AVERAGE ANNUAL PROJECT EN
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TABLE D-8 Page 2 llL (2) (3) (4) (5
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TABLE D-10 ANNUA~ 'IXED CHAftGaS PE
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TABLE D-11 Page 2 Account lumber 19
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APPENDIX 0-1 ALTERNATIVE FAIR VALUE
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w , to :c x I,.lJ
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TABLE OF CONTENTS (continued) Secti
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LIST OF TABLES Table Number E-2.1 E
Page 79 and 80: Appendix Number LIST OF APPENDICES
Page 81 and 82: E-2 o o Lower Powerhouse Transmissi
Page 83 and 84: E-4 1.2.3 Topography, Vegetation, a
Page 85 and 86: E-6 The dominant vegetative associa
Page 87 and 88: Creek. AELP has a water ri ght for
Page 89 and 90: E-10 Appropriation and adjudication
Page 91 and 92: 2.2.3 Impacts of Continued Operatio
Page 93 and 94: _...-4 - - fi\LLg i> 2.2 WATER QUAL
Page 95 and 96: 3.0 REPORT ON FISH, WILDLIFE, AND B
Page 97 and 98: E-15 15 m (50 ft.) wi de s pawi ng
Page 99 and 100: E-17 flow of 1.4 feet as recorded o
Page 101 and 102: TABLE E-3.1 Page 2 Length of Fish O
Page 103 and 104: TABLE E-3.2 Page 2 ~(2) (continued)
Page 105 and 106: E-19 the Project license was made 1
Page 107 and 108: E-21 other debris that would damage
Page 109 and 110: E-23 according to the Juneau Area R
Page 111 and 112: E-25 The Annex Creek Switchyard is
Page 113 and 114: E-27 north of the Lower Powerhouse
Page 115 and 116: Photo 1 Upper .~d Lower Annex Lake.
Page 117 and 118: Photo 5 Salmon Creek Dam Photo 6 Up
Page 119 and 120: E-29 7.0 LIST OF LITERATURE Alaska
Page 121 and 122: 1 1 1 TRUE j/' NORTH ~29 . 5· MAGN
Page 123 and 124: - - -- ------------ - - ------, 1 T
Page 125 and 126: ._ - --- _._- - - ------ ---- r TRU
Page 127 and 128: 1. SCOPING PROCESS APPENDIX E-1 AGE
Page 129: o ~ ALAS&CA ELECTRIC LIGHT AND POWE
Page 133 and 134: Mr. Robert W. McVey United States D
Page 135 and 136: ATTACHMENT C LICENSE ARTICLES PROTE
Page 137 and 138: ~"~~IIIIIIIIIIIIIIIIIIIIIIII"1I1I1i
Page 139 and 140: . . !!I~[I;nlilfIUl!irilllfl!IJI!~l
Page 141 and 142: MEETING NOTES ANNEX CREEK/SALMON CR
Page 143 and 144: Page 3 Should an earthquake with a
Page 145 and 146: ALASKA ELECTRIC LIGHT AND POWER CO.
Page 169 and 170: F·· L (~ a !; E~ c. C) n t a c. t
Page 171 and 172: BILL SHEFFIELD. GOVE.qNOR DEPART'IE
Page 173 and 174: BGH ENGINEERING, INC. 11550 CALUMET
Page 175 and 176: * (lTV/BOROUGH OF JUNEAU ALASI\AS C
Page 179 and 180: The Salmon Creek c()mpon~nt lies wi
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Our corrnnents to the Federal Energ
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• # ·' STATE OF ALASKA DEPARTMEN
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ALASKA ELECTRIC LIGHT AND POWER COM
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~~~~[ @~ ~~~~~£ OF .. I£E OF THE
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Regulatory Branch .~~~l.1a~¢e Sect
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William A. Corbus 2 August 5, 1985
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Page E-ll: The text states that ana
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United States Department of the Int
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William A. Corbus -2- August 26, 19
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Changes in the natural state of wat
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, \.~. I OFFICE OF MANAGEMENT AND B
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• ~: United States ~ Department o
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2 significant facility development
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Cor1ifi~~;) l~o •.. ~.~.Q .......
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·..'::-:~.'.~.. ij ;~~'~': ~>I CER
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. J.~~ ~V;;~." !. , I I CERTIFICA
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STATE·OF ALASKA DE~~TMENT OF NATUR
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FILE CUSTOMER-ID CASE STATUS LAS 19
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CERTIFICATE OF APPROPRIATION ADL l0
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FILE ADL 100598 WATER RIGHTS INQUIR
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\. Water will be tuen from sl.lrfac
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M~g Addre~ ________________________
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APPENDIX E-3 WATER QUALTY STANDARDS
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ALASKA WATER STANDARDS S-$83 708:10
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ALASKA WATER STANDARDS S-583 708:10
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ALASKA WATER STANDARDS 8-650 706:10
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~lf~lf~ (OJ~ ~~~£[K\~ • DEPT. OF
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APPENDIX E-4 SALMON CREEK FLOW DATA
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140nth 1'fJ,11y 1")n1.1~ Daily 1911
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United States Department of the lnt
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APPENDIX E-5 RECREATION The Federal
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Project No. 2307 - 2 - In conjuncti
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Al·rEfIDHENr NO.3#, I g INSTRmt1El
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Project No. 2307 - 3 - Interior, al
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,".~. ,#",,:M' Project No. 2307 - 5
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APPENDIX E-6 LAND USE DESIGNATIONS
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APPENDIX E-7 VISUAL QUALITY OBJECTI
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Varie1y Classes Process Variety Cla
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3. Rate features for variety This o
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, Sensitivity Leve'ls Process Sensi
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Level 2 ____ tfilt ......,.iliF1lt.
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Map Preparation for Sensitivi1y Lev
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8. When the overlays developed in s
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Quality Objectives At this p.olnt I
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Retention R This visual quality obj
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Partial Retention PR Management act
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Modification M Under the modificati
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Maximum Modification, MM Management
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Unacceptable M,odification This sec
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Rehabilitation reh Landscape rehabi
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APPENDIX E-8 ZONING DISTRICT DEFINI
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C-l. NEIGHBORHOOD COMMERCIAL DISTRI
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COASTAL PROJECT QUESTIONNAIRE 9/lfH
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c. Timber Yes No X If yes, amount?
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d) Incinerator burning more than 10
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· . utilization at the Power Plant
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APPENDIX E-10 STREAM GAUGE SALMON C
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,. Alaska· light and Power Company
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TRUE NORTH 729.5- -MAGNETIC NORTH I
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1 20'-0· ,------ --- -------------
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1 1 'b "' !!! 24· 010. tingle oate
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I 200 I 800 1 r--------------------
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I I 1 I ,. 1 . -'----~- Trashrack~
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TRUE NORTH MAGNETIC NORTH /IIPPER P
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EXHIBIT G PROJECT AREA MAPS TABLE O
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POWER CONDUIT ALIGNMENT EXHIBIT G-2
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COURSE NO FROM TO o (Lower PH I I 2
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