1 - Alaska Energy Data Inventory

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APPENDIX BlHYDRAULIC DESIGN OF RECOMMENDED PLAN1.01 GENERALAppendix B describes the hydraul ic design of the power tunnel, surgetank, and penstock for the .Crater Lake phase of the Snettisham powerfacilities. The surge tank design requires consideration of the plantoperating conditions, expected turbine characteristics and the total headlosses in the conduit system from the reservoir to the powerhouse. Thepower conduit will be connected to a turbine-generator unit which is to beinstalled in the existing powerhouse which was built for the Long Lakephase of the Snettisham project.Computation sheets for selected aspects of the surge tank design, waterhammer, and conduit hydraul ic losses are included in Hydraul ic AppendixB2. Computer printouts from the digital computer programs used forhydraulic transients are also presented in appendix B2. Hydraulic AppendixB3 describes alternative plans I and II. Alternative II is the onerecommended in OM 23, which was the GDM for the Crater Lake phase datedDecember 1973. Alternative I differs from alternative II only in the typeof gate shaft that is used. Both a lternat ives use a vented surge tank.Hydraulic appendix B4 describes alternative III which incorporates the airchamber surge tank.Two consultants were retained to assist the District in the hydraul icdesign of the project. Polarconsult, Inc., of Anchorage, subcontractedIngenior CHR. F. Gr¢ner of Oslo, Norway, who advised us on the lake tap,rock traps, and general tunnel design. Dr. Hanif Chaudhry of Wa.sh·ingtonState University (formerly of Old Dominion University) advised us onAlternate Plan III which incudes hydraulic transients in the air chambersurge tank plus water hammer and speed rise at the turbine. The Reportsubmitted by Polarconsult is included in Volume 1 of this report as Exhibit4. The report submitted by Dr. Chaudhry is exhibit Bl in Appendix B4.Bl-2
Various plates which appear in both volumes of this report are referredto in this appendix. Plates identified by a number only are located inVolume 1 and those identified by a letter and number (Bl through B27) arelocated at the end of the Hydraulic Appendix. The exhibits referred to arein Volume 1 of this report. References are located at the end of appendixB1.Bl-3
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. c-o,.oy t:) ~3 J .-7I ~U~~T Snett
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SYNOPSISThe Long Lake - Crater Lake
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LOCATION:SNETTISHAM PROJECT, ALASKA
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Maximum momentary head, ft(during l
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(3) Based on generation of 27.3 MW
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APPENDIX AGEOTECHNICAL DATAAlA2GEOM
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A. "AVERAGE" FAULT CONDITION.GEOMEC
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For the existing conditions the fol
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SUMMARY ."'OGHOLE Nv.N 93 61':' I S
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SUMMARY LOG N 93614 1 ~H~~T3 Of 3HO
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SUMMARY LOG95473H 0 LEN DH 99 9 160
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SUMMARY LOG N 95473 I SWFFT 4 OF 4H
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SUMMARY LOGHOLE NE9361186371Crater
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SUMMARY LOG N 93611 I SHEET 4 OF 4H
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SUMMARY LOGHOLE N DH 101 cont'd9411
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N 93.616 lSME£T 1 OF4SUMMARY LOGHO
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DEPTH OF HOLE9361686380DRILL OATES
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SUMMARY LOG I SHEF:T 1 OF' 4H 0 L E
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SUMMARY LOGHOLE NO.I N 9L271.~9 I S
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SWN\I~ARYLOGH 0 L E NO.DDH-10~I~N=-
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LOGH 0 L E NO. DDH-lO~ HE N;;--,,"9
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SUMMARY LOGHOLE NO.DDH-IO~PROJECT S
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SUM~AR,(LOG\ N ac.~l~ I SHEET 2 OF,
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SU,'t1:--,lARY LOG I N 0)':'1 ,c,.
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SU~AMARYLOGHOLE NO.N 95159. I SHF E
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SUMMARY LOG N 951S9. 1 SHct=:T 4 OF
Page 53 and 54: SU:\,1:--.4ARY LOGH 0 L E NO.DIJH-1
Page 55 and 56: LOGHOLE NO. DCii-107 I SUR,rACe: EL
Page 57 and 58: ,S UMMARY .~OG N 93451 r SHEff 1 Qf
Page 59 and 60: SUMMARY LOGH 0 L-E NO. DDH-I09~NIiI
Page 61 and 62: _liUMMARY lOG N 93685 1 ~W~F'T 3 OF
Page 63 and 64: SUMMARY LOGH-O-L E NO.DDH-110N 9354
Page 65 and 66: $UMMARY I~~GK 93729.8HOLE N . DH-ll
Page 67 and 68: N 93729.8~UMM~RY Ib~G.. OL;- N . Dh
Page 69 and 70: HOLEI PROJEC_,- e"WLa,. COIoIP.~ ~F
Page 71 and 72: ,~UMMARY IbOGN Q
Page 73 and 74: Il,UMMARV ,~~G N 93767.6I OLE N . D
Page 75 and 76: [ ~UMMARY LOG N 93767.6OLE NO. rlH
Page 77 and 78: ~UMMARV I'cfGN q17fi7 fiOLE N DH-1l
Page 79 and 80: SUMMARY .L;PG N 93773. 3 SH~~T 1 OF
Page 81 and 82: SUMMARY ,,,,00N 93773. 3 SM~~T 30F
Page 83 and 84: ~~UMMARY 1'o~GI PAO::C~ ("tee ",.N
Page 85 and 86: ISUMMARY LOGHOLE N . DH-1l4PROJECT
Page 87 and 88: 93731.086934.0PROJ E C TORILL DATES
Page 89 and 90: SUMMARY LOG 93731.0HOLE N . 86934.0
Page 91 and 92: SUMMARY I~OGN 95300.4SHEET 1 Of 7 j
Page 93 and 94: ! SUMMARY.",OG N 95300.4 SH£~T1 Of
Page 95 and 96: SUMMARY LOG- N QC;1nn. 4HOLE NO. DH
Page 97 and 98: SUMMARY I~OG N Q'i1nO.4 SH£~T 7 OF
Page 99 and 100: APPENDIX BlHYDRAULIC DESIGN OF RECO
Page 101 and 102: PARAGRAPHC. Hydraulic Losses in Mac
Page 103: APPENDIX B1HYDRAULIC DESIGN OF RECO
Page 107 and 108: C. Power Tunnel. The power tunnel i
Page 109 and 110: The primary and secondary rock trap
Page 111 and 112: G. Gate Structure Transition.(1) Si
Page 113 and 114: quantity of water in the gate struc
Page 115 and 116: will be approximately 12.5 ft and o
Page 117 and 118: Figure 7 in appendix B2 contains a
Page 119 and 120: accompaning cross-sectional areas o
Page 121 and 122: (3) Losses in Steel Penstock - Fric
Page 123 and 124: the type of pipe to be used at Crat
Page 125 and 126: unlined tunnel was 0.187 ft. Simila
Page 127 and 128: 1.04 HYDRAULIC TRANSIENTSA. Operati
Page 129 and 130: Representat i ves of HEOB and OCE r
Page 131 and 132: nominal diameter and 27.9 percent f
Page 133 and 134: I. Computer Models.(1) Computer Pro
Page 135 and 136: increase the Polar Moment of Inerti
Page 137 and 138: "WHAMO" was used for the run and re
Page 139 and 140: surge tank (reject condition) is 10
Page 141 and 142: a surge tank approximately 350 ft h
Page 143 and 144: 1.05 LAKE TAPA. Genera 1. The 1 ake
Page 145 and 146: Trashrack ConditionZero clogging25%
Page 147 and 148: plug, approximate sta 10+50 and at
Page 149 and 150: the blast pressure recorded at cell
Page 151 and 152: REFERENCES1. Mattimoc, J. J., Tinne
Page 153 and 154: APPENDIX B2SUPPORTING TECHNICAL DAT
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eUN.(Fl.). ,~f···~"'. '"".f1~~_.
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'.1":' ..."'..: ..:.........iI\~~fr
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COMP .~ > ,;--C H K 0 • ~,-,,,,-\
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C OMP. '3N3""CHKD. ___SUBJECTU.S. A
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COMP. ;IN:rCHKD. __ _SUBJECTC.IGA T
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CaMP. In::;:CHKD. ___ _SUBJECTU.S.
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JI~COMPoCHKD. ___SUB~IECTC I( A Te(
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·COMP. :1Nd~, U.S. ARMY ENGINEER D
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'COMPo )N"TCHKD. __ _SUBJECTU.S. AR
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COMPoC H KD.:r~:ru.s. ARMY ENGINEER
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(C OMP. :r IV 3'CHKD. J .,..1SUBJEC
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C OMP. ::r NS"CHKD.J 101SUBJECT3LiU
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46 13231~ t l TIr!!f I..I' ,;I ' 'j
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COM P. JIv J u . S. ARM YEN GIN E E
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COMP.lf!::C H K D •.::.YuleIDo/L.
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COMPo 0N"S'""CHKD •• J WJ"JU.S.
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U.S. ARMY ENGINEER DISTRICT, ALASKA
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COIo4P.CHKD.U.S. ARMY ENGINEER DIST
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COMPoCHKD.,r., '........,.~S U!:!..
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COMPo ;fA/if "CHKO.-r- u.s. ARMY EN
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COMP.CHkO.U.S. ARMY ENGINEER DISTRI
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COMP.CHKO.SUBJECTU.S. ARMY ENGINEER
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~~=::ySUBJECTU.S. ARMY ENGINEER DIS
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NPA FORM 16Ba (Rev.) Previous editi
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i•COMPo StJ\CHKD. JJSUBJECTZ/ 1?t
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COMPo ,)N)CHKD. 9"~SlIBJECTHU.S. AR
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NPA FORM 168a (Rev.) Previous editi
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"':'\.CO~P.~CHKD.~SUBJECTU.S. ARMY
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~( \lAL..\)~S iC.E\\\M\1'\) (.cc-0s
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-C OMP. \./ t..JCHJ(D._~_t~_"SUBJEC
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___ .___._~ ..-=..........__ ._+-__
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~UIII~::J•o•zo.,'"
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604·· FIUC • e893 FINI65COf41)
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1 CRATER lA
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lZ112Z DISPLAY ALL FINISHla3124 HIS
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S4· rRIC .01S0 FINI~5 COMO 10 C10e
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.DISCHRI2CE. CO£.FFICIGNT vs VALVE
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SA CPLUS .el C~1NUS .el rI~I65 CONO
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1'~,~~TER LAKE. Sl'fETTISHM. HYDRAU
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~!;:t:-~·.; ..'!;'~totoJ)l.14M PIa
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)0.40.5~IT' I" THiI "'lIee C .....
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sf· C· PLOTTIMG REQUESTS&a,1fLO.T
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········· .. ·· .... ·
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.... D.~.~ T.altcTtOtt II TJl II'UI
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'IIEL~CT'ltC6 ()veH .,}{)(L~ue TA ~
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\C'iCfilB1L L.A-1L-l:5'"GU3C-TelG "
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APPENDIX B3HYDRAULIC DESIGN OF ALTE
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The power tunne 1 entrance wi 11 be
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B. Losses in the Power Tunnel.(1) U
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3.04 SURGE TANK.A. Operating Requir
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in the power conduit. Condition E i
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(2) Condition A - Maximum surge for
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I. Stability Routings.To de~onstrat
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3.05 PRESSURE AND SPEED REGULATION.
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Maximum water hammer pressure gradi
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APPENDIX B4HYDRAULIC DESIGN OF ALTE
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4.02 DESCRIPTION OF THE POWER CONDU
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4.04 AIR CHAMBER SURGE TANK.A. Oper
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12-ft diameter power tunnel with a
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Asc = Critical (horizontal) area of
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CRITICAL AIR VOLUMES BASED ON SVEE
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Since the air volume required in th
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The results of the rejection and de
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from these gauges will be converted
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Air 1 eakage through the rock is go
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needed for normal power production
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4.06 PRESSURE AND SPEED REGULATIONA
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4.07 INTERNAL CONDUIT PRESSURESA. G
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hammer values. Water ham~er and spe
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16. U.S. Dept. of Interior, "Design
Page 295 and 296:
'I ,j:' 1 ! .~ .... ; : r :-:; I r
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1. Jistances ~f j,10,~nrl l~ tt h~t
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TABLE IMAXIMUM PRESSURE ANDSPEED RI
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17()D').~~-----; !CSURMSUR(Chaudhry
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5 4 3 21 0occBB-----------Aa..::;VI
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5I 4 I 32DESIGN SURGE TANK DIA. = 1
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D5 I4 I 3 2 1 1THIS TANK IS LESS TH
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5 I4 I 3 2 11---_._---0CRATER LAKE#
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c---54 : 3 2 11D1. SEE PLATE B2 FOR
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5 I 4 3 2 11----0 1. SEE PLATE B2 F
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5 I4 [ 3 2 !1DEUtICRATER LAKE, SNET
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5 l41...j3 2,1r0--£tEV'"1U4S.113e.
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CORPS OF ENGINEERSU. S. ARMY1040 f-
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\ \ /A~1-- I.- -- QUIESCENT' 1 I514
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CORPS OF ENGINEERSU. S. ARMY~'" 00~
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5 4 I 3 I 2 1 II THS TANK IS STABLE
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-DC 9505 I 4 I 3 I 2 1I DESIGN TANK
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APPENDIX CPENSTOCK DESIGNC1C2ANALYS
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e cANALYSIS OF CONFINED PENSTOCKS.
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-Rcdr.op a vertical l:ine to the ab
Page 335 and 336:
liner • Longitudinal members and.
Page 337 and 338:
- ~",/APPENDIX C2STRESS ANALYSIS OF
Page 339 and 340:
.' '", ,_" - _. ' •• :~"~';:',~
Page 341 and 342:
'. ~~'. L1 zmuslbe'es//mCl-led.:" ~
Page 343 and 344:
. ,c'R- II51-2 - 87"LlI -I- ~2 ,; O
Page 345 and 346:
CONCRFTEDEFORMATION...--'Ir---Difre
Page 347 and 348:
srra/n,- ....Bdt"sp/ac6'mel7tDC-r ,
Page 349 and 350:
- . .
Page 351:
7. E: ..':·"·tillTCES~ .Wa.ter Po
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