ML16272A218

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Revision 1 to Flood Hazard Reevaluation Report on Oconee Nuclear Station, Appendices, Dated March 6, 2015 (Redacted)
ML16272A218
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 03/06/2015
From:
HDR Engineering
To:
Office of Nuclear Reactor Regulation
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ML16070A295 List:
References
FOIA/PA-2016-0071
Download: ML16272A218 (63)
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Text

u15072A108 C ......... r -, r .,- , r ,- -*,, , ,r *,uu.,.l*, ,v...,,.;.

APPENDICES

£* .... .,..:..* .n........ ;!* * ..... IJl* 1,,.n ........ 1..........

'I,

  • ,,,l,, ,',,,,,, ,.,,,I ........ ,, ,.* .., .,*,,,,*,,,*,,wI
  • .*°,, i.d,*o.* i*, ,v * .* L.o,*....,vl..*jrL APPENDIX A FIGURES AND TABLES

23:=*'.-* JIv........

si aaru:_:'_ u--._-y-rm - _--Isn

  • -ir--::: .. .... . ........... ..

FIGURE A-I. CUMULATIVE AND INCREMENTAL PRECIPITATION DURING THE 48-HOUR PMP FOR A RAINFALL DEPTH OF 26.6 INCHES 30LO

~Cw Z.S0 I* 0--

U~m.lim

  • A-i

FIGURE A-2. MID-AUGUST 1940 RAINFALL MASS CURVE

.MASS RAINFALL CURVES

'S l w-.I II t.. *- -Ii /S-I I

- ~ ,,s-r E 11 IN 1mT t-4" i* -t 4- i-iI5iIdl "':-.: I- -.. 4ijE, l~'l-!.4L-i4*i I. *- r.6-.-

'o

~ -."Ih-PI. V 1/i-.

..- 'i.-J i" -4 ~ .J. -

L L l*i*[*gJ*LJ*

  • Iii*IIi,-14,,- p .iI li* l II 41I*qi*iII *

-I- ~-4-~4 .L.. ---i.ii-:-b,-l-I I ~ -

-- 1--

~

4. '-S- - --

tJi!4~i 1

(,I)

"Li" I 131... I

.1 U 11: -J- .4 - *J

-*..*,*.*"(.o "° -il-h41Th111114441 z

z .. *.-,,-,...*-;,*-'*;-.i.ROCK HOUSE:

c ~!1~4- H-~~ - 2 -CAESARS ISEAD

.'..a .3 -WAIHALL A-IL

~. 4 -CL1EMSION COLLEGEa r*kf I--

-J 5 -1.~~-

iU U

13 'a AUGUST 1940 Source: U.S. Geological ,Survey, 1949, Floods of August 1940 in the southeastern States: U.S.

Geological Survey Water-Supply Paper 1066.

A-2

.. . . .- I.. .... p * + ,.L...* .. ... +_ .... ;t.Uh,..l ,.Jd[....... U I~fll..I,

. .. 1,5 t.,, ,,,, +..OotJ u,, ,

................. ,,I' .................. i FIGURE A-3. AUGUST 11-14, 1940, PRECIPITATION RairdfalI intensit~t (finhi) 3,0 I ....II 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 Oa*,0 Day 1 D~y 2 A-3

LI --. EX l*. ... st

  • iEzi1i.. :t u:_ - ....,A I. t;.LI..fm --. . LII: r:. 10 CrIlf I lulIJO(J(1 FIGURE A4. ONS SITE INCLUDING KEOWEE HYDRO POWERHtOUSE A-4

FIGURE Ao4-A. MODEL EXTENTS OF ONS YARD E:J Offsite hydrology area 2-D simulation area A-5

tk.... . *e

.O. ...J .. ...

L... JL ...

'L...I.....~...... ~..... ..10 c ., 2,, . ..O(,;l1, FIGURE A-S-,B. MODEL Ik*EXTENTS OF KEOWEE HYDRO POWERHOUSE SUB-,BASIN A-6

FIGURE A-6-A. 2-D00NS YARD MESH ELEMENT ELEVATIONS A-7

FIGURE A-6-B. 2-D ONFIGRE ISFSI 2- ONSELEMENT ELEVATIONS 6-8 MESH A-8

A

  • i A
  • A *a FIGURE A-7-A. COMPLETE HYDROLOGY OF THE ONS YARD A-9

FIGURE A-7-B. SUBBASIN HYDROLOGY OF THE ON$ YARD A-IO

FIGURE A-8. ROOF DRAINAGE CONNECTIONS TO ONS YARD DRAINAGE A-l1

EI.-V SJlArOdSNMkOC UO NOIiD3NNO0 J.:3)iIl VIA OUVA SNO 01 NOLLZ)]NNO3 iOO~J "6V 3:il9Ul)l

FIGURE A-10-A. CATCH BASINS AND OTHER NODES A-13

  • .., ,,,a,i i v.L,.L,a i * .b7 * ........ ............... * .......... . * . .. .

APPENDIX B CURRENT LICENSING BASIS LIP MODEL ANALYSIS INUNDATION LEVELS

L...LL... L.......... L. O......J2.. l..L.....AL... ..ali.LJJ I.

...... 0 V 10 am 0.3001 11117 FIGURE B-I. LOCATION IDS OF REPORTED WATER ELEVATION AROUND REACTOR, AUXlUARY, TURBINE, AND ADMINISTRATION BUILDINGS B-I

I .' ." 3.. J1

. . . ........ f ... -~.. . .,...,. ' .- ., ., hI.. - n f FR 2 lf

  • d~ lI FIGURE B-2. LOCATIONS OF MAXIMUM DEPTH IN ISFSI YARD AND RELAY HOUSE IN 230 KV SWITCHYARD B-2

con-talns *.uft 5.nstve lInl.-mauon; wltunoa worn pure.; pf iu *.r £.~JW~UJ 'i FIGURE 8-3. LOCATIONS OF MAXIMUM DEPTH AT KEOWEE POWERHOUSE B-3

i*nntnlnml *w*ajritv, ,*.aneIifi,. InfinrmmtI',n- withhi~ld frnm nithili.rw 1(

In '_D "* *OfljE4~f1 TABLE B-I. CURRENT UCENSING BASIS COMPARISON OF DEPTHS AND ELEVATIONS AROUND THE REACTOR, AUXILIARY, TURBINE, AND ADMINISTRATION BUILDINGS Administration, 1* Y- a"[Y TrieGround Yrd No Yar Yrd NO Yard Auxiliary,ian-'d SC Grid SC Grid leaio*~**rn Drainage Drainage Drainage /Drainage IDifference Rea;ctor... x(i) Y (ft) (I-"f)' WSEL IWSEL* Depth Depth (if)

North 2 1429836 1083071 797.94_ ....... 798.05 ..... 798.18 .......0:.11 . ..... 0..24 .... 0.13 North*-4.... 1429941 108309 797............ 797.66-i-

....*.26-: 797.80*- 0.---0 0.54* - 0.14-East I 1430169 1083131 796.53 797.53 797.69 1.00 1.16 0.16 East 3 1430205 1083025 796.54 797.53 797.69 0.99 1.15 0.16 East 5 1430195 1082862 797.17 797.18 797.26 0.01 0.09 0.08 East7 1430261 1082689 796.04 796.15 797.21 0.11 1.17 1.06 East9 1430324 1082501 796.15- ... 796.16 797.21

  • 0.01 " 1.06- . ...1.0)5...

East 11 ......... 1430398 108275 795.34 ... 796.35 .... 797.22 ... 0.01 ...... 0.88.... 0.87 E m m......m South 2 1430331 1082194 796.60 796.60 797.23 0.00 0.63 0.63 West 1 1430125 1082179 795.84 797.09 797.50 1.25 1.66 0.41 West 3 1429982 1082225 796.88 796.90 797.43 0.02 0.55 0.53 West5 1429960 108287 795.82 797.02 798.10 1.40 2.48 1.08 West7 1430040 1082432 796.00 797.37 798.12 1.37 2.12 0.75 West 9 1429913 1082479 796.31 797.07 798.12 0.76 1.81 1.05 West 11 1429859 1082613 796.62 797,12 798.16 0.50 1.54 1.04 West 13 142987 1082694 796.79 ... 79744 .. 798.17 0.65 1.38 0.73 West 15 1429956 1082883 796.62 797.46 798.17 0.84 1.55 0.71 West 17 11429838 1082903 797.01 797.45 798.17 0.44 1.16 0.72 Westl19 11429735 1082983 796.78 797.63 798.19 0.85 1.41 0.56

  • WSEL - Water Surface Elevation Level B-4

SL

":'"r"'J"rI:E"Irui , F 3901dW11 FIGURE 8-4. CURRENT LICENSING BASIS MAXIMUM DEPTH AND DURATION FOR 8SF, PSW, ESV AND CTS IN YARD WITH FUNCTIONING DRAINS kmevatmeN (t AM*,L) 7110 t

7 !17.0 p*

/

7 q91. .0... ..

00,00 0600 12.00 18;OO 00.00 06.00 12;OO 18.00 00.00 SJ12/'t9, R/t2t194 Elevation (ft msJ)

N In Max Point $SSF 796.521 797 .102 Point SSF2 796.509 797.076 Point CTS 796 .7 50 798.186 Point PSW2 795.341 795 .934 Point PSW1 796 .000 796.191 Point ESV 1 797.124 797.128 POint ESV2 7 96 .700 796 .70 3 13-5

w

  • w* ggeg*ggl* gJ *J*g*rw*kJ glq*ll*
  • mmu lw-l*ll IV 1*lFII Irqk 41*4,*4FiiPWlB![qillMI l I FIGURE 845. CURRENT LUCENSING BASIS MAXIMUM ELEVATION AND DURATION IN KEOWEE HYDRO POWERHOUSE SUB-BASIN WITH FUNCTIONING DRAINS KI S.e.*io (n midi 70.2O -

7O*. 10 -

701.00 -- /.--,

F I  !

i

-- A.-.

\

--S

-J 701.90--..

701.80 -

701-;n0

!3; IE1 00: CC 04500 IZO00 394 06:00 1Z;00 00;O 811/1940 Elevation (ftmid)

Min Max Point K) 701.725 702.137 Point K2 701.900 702.044 18-6

. ......... . ................................ ................... :J:..,

FIGURE 846. CURRENT LICENSING BASIS MAXIMUM DEPTH AND DURATION IN ISF$I YARD 8ekvala (ft AM4.)

825.310 825.10/

18:00 00.003 8/11/1940o 8/12/194o Eievation (f maJl

  • ..reit Yard Dra,,,aqe ,QC: F- WO>,C~urent 8-U.-3S0 SMin 82485 825.020 Ma I...ed>~ONS Current No YO-QC F> Current 8-11-1940 8248945 82.5240 . .

13-7

  • ,~ua,,U oWmunuy ~onsWVe imormalson; withlhoid fror public per 10 CFR 2.390(dl)(1 FIGURE 8-7. CURRENT LICENSING BASIS MAXIMUM DEPTH AND DURATION IN ISFSI YARD 824.90 824,10 824.50 8(1*1g40 8/13/1940 Min Max

.,.rent Yard Draoage -QC F - WD> Curret 8-11-1940 824332 824.520

.,,.ed>ONSCuvrentNoYD-C F>Curen8-11-1940 *824332 824.969 ,

B-8

Tr': Efl:rn:~ ~':ttii-ii Tr:i~-~ IVrc~~2U VIE 2JUU~1Jufl APPENDIX C FLOOD HAZARD REEVALUATION BEYOND DESIGN BASIS LIP MODEL ANALYSIS INUNDATION LEVELS

FIGURE C-I. BEYOND DESIGN BASIS CASE LOCATIONS OF MAXIMUM FLOOD ELEVATION IN ONS YARD c-1

L.m4DIInlilllWIk *F*UIIil *ll*lillg IIIl*lllgk * =u ..............

-- I--F* "#

FIGURE C-2. BEYOND DESIGN BASIS CASE MAXIMUM DEPTHS IN ONS YARD WITH YARD DRAINAGE AND ROOF DRAINAGE 9

'7 Depth (ft)

>=4.00

>=3.50

>=3.00 m 2.50 mm 2.00 m>= 1.50 m,=o0.2 0m.10, C-2

FIGURE C-3. BEYOND DESIGN BASIS CASE MAXIMUM DEPTHS IN ONS YARD WiTH ROOF DRAINAGE AND NO YARD DRAINAGE 0

U

-'P p y/

Depth (ft) i>=4.00

>=3.5O EE=3.00 N-I= 2.S0

  • > 2.00

>=1.50

  • ).= 1.00

.lIB> 0.50

>=0.25

>=0.10 C-3

FIGURE C-4, BEYOND D)ESIGN BASIS CASE MAXIMUM DEPTHS IN O)NS YARD WITH NO YARD DRAINAGE OR ROOF* DRAINAGE CA

FIGURE C-S. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD NEXT TO ADMINISTRATIV1E BUILDINGS (NORTH 1-

5) WITH FUNCTIOMiNG DRAINS 801.0-800.0 799.0-798.0 - . .....-................................................................ .. . .. . .

797.0-_.r 796.0- " " * *' '

00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 DayO0 Dayl Day 2 Day 3 Eievation (ftmaI Min Max Point North 1 796.858 800.254 Point North 2 797.942 800.025 Point North 3 797.385 799.493 Point North 4 797.260 799.654 Point North S 797.267 799.123 C-5

wfl.fl. .*.~ w...... y9P .... ~. ..... w..~ ywflfl*;* PS 9915 yS...w y.. Sw . S~ .w~fl -,

FIGURE C-4. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD BELOW TURBINE BUILDING (SOUTH 1-3) WITH FUNCTIONING DRAINS 798.00~

797.50-797.00-796.50-ZIII ZIZIIZIIZIZI ZZ IZIIZZI ZIZIIZIZZ ZZIIIIII ';;iii~.

7, QJ14flfil N *VIV . ... .... ...

I I I I I " I " I " I 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:03) 00:00 06:00 12:00 18:00 00:00 Day 0 Day 1 Day 2 Day 3 Elevation (It msl)

Mmn Max Point South 1 796 .382 797 .58 0 Point South 2 796.600 79 7.557 Point South 3 796.413 79 7.5 17 C-6

u;.wa:z ua-n, :zz~r.x... to-~mua~; .- r~.u r-svt  ;::iI. ;a: iu wi II ELJUUEUJI1J FIGURE C-7. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATI)N IN ONS YARD NEXT TO ADMINISTRATIVE AND TURBINE BUILDINGS (EAST 14) WITH FUNCTIONING DRAINS Elevation (f AMSL) 799.00-798.50-798.00-797.50-797,00-796.00- . *' *

  • i '

00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 Day 0 Day I Day 2 Day 3 Elevation (ft msl)

Mmn Max Point East 1 796.469 798.617 Point East 2 796.911 798 .6 26 Point East 3 796 .539 798.695 Point East 4 796 .748 797.605 Point East 5 I I IIIIIII II III I 796.836 797.607 C-7

  • nf.anuuwn wia Iit .~IIULIW iluiuuulawI~~,1 wIIIIlUUU hl*.fi IIUHeI *FI IU ,.,,r'* £..JVYIUO I FIGURE C-S. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD NEXT TO TURBINE BUILDING (EAST 6-11) WITH FUNCTIONING DRAINS 797.00 796.00 00:=00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:0t0 flay Itl nluy flnm7 lay~

Elevation (ft msl)

Min Max Point East 6 795.888 797 .604 Point East 7 7 96.039 797.508 Point East 8 795.880 797 .507 Point East 9 7 96 .002 797 .518 Point East 10 795.870 797 .50 5 Point East 11 796.017 797 .548 C-8

l____

FIGURE C-S. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD NEXT TO AUXILIARY, UNIT 3 REACTOR. AND UNIT 3 BORATED WATER STOAGE TANK BUILDINGS (WEST 1-4) WITH FUNCTIONING DRAINS E80l.Oe f ML 500.0 799.0 798.0 797.0 796.0 795,01 ' * * * '

OO=OO 06;0O 12;OO 18;00 00.00 O00O00 1Z;O0 18.00 OO;OO 06;00 I2;0O 18;00 00;00 Day 0 Day I Day 2 Day 3 Elevation (ntm@I MtIn Max 795.842 798.697 Point West 1 Point West 2 796.967 798.669 Point West 3 796.978 798.344 Point West 4 795.375 798 .970 Point West 5 795.619 800.041 Point West 6S 796 .34 5 800 .048 C-9

Z...=.L. C.. . 0. .....L ... .L .. 4 ... UIIJ.. ..... . ...LI . . ............. L W FIGURE C-10. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD NEXT TO AUXILIARY, UNITS 1 & 2 REACTOR, UNITS 1 & 2 BORATED WATER STORAGE TANK, AND HOT MACHINE SHOP BUILDINGS (WEST 7-13) WITH FUNCTIONING DRAINS Elevation (ft MSL) 8O1.0~ ftmmad) 800.0 799.0 7SJ8.0 797.0 796.0 795.0 '~

00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 06:00 12:00 18:00 00:00 Day 0 Day 1 Day2_ Day 3 Elevation (ft rn~l Min Max 796 .358 800.057 Point West 7 Point West 8 796.464 800.056 Point West 9 796 .3 12 800.054 Point West 10 796.317 800.069 Point West 11 796.621 800 .10 7 Point West 12 795.892 800.111 Point West 13 796.787 8 00 .128 C-10

O.2..L: C.AL. ...JU.~.. L.L.....4L.... Ilt.LJJ L..~... ..~..LIL.

.. . is o~n L;8~J;L1; FIGURE C-11. BEYOND DESIGN BASIS MAXIMUM FLOOD ELEVATION IN ONS YARD NEXT TO AUXILIARY, TURBINE, AND ADINISTRATIVE BUILDINGS (WEST 14-19) WITH FUNCTIONING DRAINS C -C 7~7(4 796 C 3600 3~0 1100 0C~0 360 I*.0 38oo 0Co0 oo 00 o 3 t~S 310o C0!o 0ay 0 2 .

  • 3 Ma*

Point1Wes334 796.570 600.133 Point *es3 35 796.70? 800.132 POolnW.,t 36 796.323 600.332 Point West 37? 796.905 600.133 Point West 38$ 796.692 600,325 Point West i , 796.981 800.3 46 c-ll

FIGURE C-12. BEYOND DESIGN BASIS CASE ROOF DRAINAGE PERFORMANCE Note: The auxiliary building roof area node identiictions have been shortened to the last part (e.g..

B8075-8078-8082-A2 = A2). A = the northern auxiliary building; B = the middle auxiliary building; and C =

the southern auxiliary building.

C-12

TABLE C-I. BEYOND DESIGN BASIS CASE COMPARISON OF FLOOD DEPTHS AROUND ADMINISTRATIVE, TURBINE, AUXILIARY, AND REACTOR BUILDINGS Yard NO Yard Yard No Yard SC Grid SC Grid Elevation Drainage Drainage Drainage Drainage Difference Pit X (ft) Y (ft) (ft) WSEL WSEL*- Depth Depth (ft)

}NorthrI 4291776 1082989 796;86 __800925 _ 8_00._52 .... 33 .60.2_6 North 2 1429836 1083071 797.94 800.03 800.27 2.09 2.33 0.25 North 4 1429941 1083099 797.26 799.65 799.78 2.39 2.52 0.12 to--dihi- TIi01~W1__0 83158 79727. _1T7*912. 799,23-_ 1.85 f._194__ Th East 1 1430169 1083131 796.53 798.62 798.61 2.09 2.08 0.00 East 3 1430205 1083025 796.54 798.69 798.71 2.15 2.17 0.01t East 5 1430195 1082862 797.17 797.61 797.70 0.44 0.53 0.08 F*EasT- - 14302_20: ,1082791 __795._89___ 79,7.60 i--t797.69 -__ 1....;71-- -1.80'-- 0.08__

East 7 1430261 1082689 796.04 797.51 797.62 1.47 1.58 0.11 East 9 1430324 1082501 796.00 797.52 797.62 1.36 1.47 0.11 East 11 1430398 I1082275 I796.02 I797.55 .797.81 797.64 :_63 1.21 ..

1. 1...17__4__

1.31 0.09 79.-7*<68._ 1.20 1.30 South 2 !143037-2 1052205 j796.38 797.58 0.10 1430331 I1082194 I796.60 797.66 0.96 1.06

[ -SOi-ih-TT 1,19, 143U*i03 West 1 1430125 1082179 795.84 798.70 799.07 2.86 3.23 0.38 FWest 3 798.67 _2,.25_ _

1429982 1082225 796.88 798.34 798.92 1.45 2.04 0.58 West 3 _79*8,97 -799.23 3.*"59g.. 3--.85 - _0.27*~

Wet 1429960 1082287 795.62 800.04 800.32 4.42 4.70 142999 1.082328! 800.05 800.32 3_.70o_ L_3.97 .. 0:27 West 5 1430040 796.00 800.06 800.33 4.06 4.33 0.27 10824321 LWest 16 11429913 -800.06 800.33 3_--

]i:65 1082479 0.28__

796.31 800.05 800.33, 3.74 4.02 West 73 0.28 800.06 1429859 1082613 796.62 800.38 3.49 3.76 800.11 0.27 1429837 10826941 796.79 800.39 " 3.3-4-.. 3.60 3.82 0.26 LWist West 1415 1429956 1082807 _.'76*57 "1082-883- 796.62 800.13 800.39 3.51 3.77 0.26 -]

800.13 0.26 West 17 1429838 1082903 797.01 800.39 4.13 800.13 3.38 1082883 796.55 West 19 i1429735 800.13 1082983 796.78 800.42 3.37 3.64 0.27 RH W7FP 1430655 1082853 I770.291 771.93 772.10 -- 1.64* - 1.81 0.17

',RHN 1430663 1082892 771 .87 0.18. 73--

RH E .77t100 1430693 1082864 771.05 771.83 772.06 0.78 1.01 0.23 hofZ E~SV I 14300 67 1081874 797.12 798.99 799..31 1.87 2.19 0.32

__796.70 _ -7099.,1 2.04 PSW I 1430295 1082080 796.00 797.76 797.92 1.76 1..92 0.16

  • 795.34. ...

797.43= 1.99--*. 2.09 0o:10. 7 SSFI1 1429764 1082541 796.52 800.11 800.38 3.59 3.86 0.27 800.34 !3.56 -3.83--

1020 796:51 800.07 C-13

Yard No Yard Yard No Yard Pit SC Grid SC Grid Elevation Drainage Drainage Drainage Drainage Difference X (ft) Y (ft) (ft) WSEL WSEL* Depth Depth (ft)

CT-5 1429250 1082240

__ __ _ _ __ i ) Aft L (ft) 1(ft _ __ __

-796.75 800.15 800.42 3.40 3.67 0.27 ISFSI 2 1429667 1081237 824.93 825.43 825.48 _ 0.50 0.55 __0.05 KI 114334501j1084003 701.73 1702.93 702.941I 1.20 1.21 0....'01:I Keowee PH with catch-basins and culverts blocked C-14

we it o el 6*.se*.* w,*l61 TABLE C-2. BEYOND DESIGN BASIS CASE ROOF DRAINAGE

SUMMARY

Ma Mx otl Depth Available Total NoeID evl Parapet Depth WSEL* Volume Volume WSE Volume fal Node et)

Level (ft)

(ft) j on Roof (ft) on Roof (cu-ft) of Ro (cu-ft)

}Parapet toft Parapet (cu-ft) olm Vlm (cu-ft)

... 88075-8078-973.25 2.65 973.32 11,332 10,916 -0.07 -417 46,918 8082-RB- 970.67 Mid #

IB8075- 97325 2.6 11,325 807.8- 970.67 1.0,913 8082-RB-2.74 ,973.41 11,842 -0.16 48:,611 973.25 -926 88075-8078-8.13.5,0 0,:95*

.8082-RB3 2.18 838.00 841.13 1.02 839.02 2,319 7,079 4759 10,981 8078-8082-A6. 853.00 "853.25' 0.25 *52 B8075-8078- 868.00 871.13 0.65 868.65 317 1,525 2.48 1208 2,415 8082-1b 862.'00/ 862.06 130.. . 2.94 B8075-8078- 858.00 861 .13 1.46 859.46 1.3,815 29,621 1.67 15806 57,706 S826&00: 826.98 *1 827' S5,853 8082-lbt 844.00 847.13 0.36 844.36 108 953 2.77 845 1,10=5 E--~- I- - 1-

8078- ,858.86 2.27:'

0.86 68075-8078- 882.75 885.75 883.73 1,918 5,881, 2.02 3962 7,584 8082-BIB 1:.37 827;i87 0.

013..., 17,335*

88075-.

8078- 860.79 861.13 2.22 863.01 1,164 558 -1.88 -606 5,844 8082-818 13,613' 816.63 ...

3.10 : 0,03 1123 21,162*

B8075-8078-8082-52 838.00 841.13 0.77 838.77 1,748 7,079 2.35 15331 10,947 A J. .L I I I .1 I &

C-15

1 I Max ~Max ~Total .Depth Available' Total Rof Parapet Depth WSEL* jVolume Volume WL VoueIRainfall Node ID Level Level (ft) (ft) 'on Roof Ion Roof Iof Roof to to Volume (ft) (~ cuft)(cu-ft) (cu-ft)

Parpe Paap t )

_4 Prpt)

(f)_ Paru-et) ~t S853.25:

853,00 ,*0*39 853.39

  • 74 52 -01t4 B8075-8078- 908.42 911.13 0.68 909.10 354 1,416 '2.03 1061 2,612 8082-B4 S27,Z9 9671 op33_-

B8075-8078- 882.75 863.00 2.33 885.08 1,140 490 -2.08 -650 7,692 8082-Gll KB80T7-s;

...86200o 865.00 0.

072 1,,$510' 4762. ,

58075-8078- 858.00 861.13 *0.59 858.59 792 4,220 2.54 3428 5,228 8082-C13 78:80785 , 816.63 , 9,801, 81.5 15,29 58075-8078- 813.50 816.63 2.94 816.44 1,152 1,225 0.19 73 1,524 8082-C3

° *I 7_80_8*.*C: .7,079: *229 :5192

  • 838.00 841.:13 0.83 B8075-8078- 853.00 861.13 0.36 853.36 76 1.699 7.76 1623 1,020 8082-C5 8e79.00o 1201~o6.

rB8o76-884.50 8079- 879.00 3.66 882.66 11,270 27,026 1.84 15756 90,628 8083-C-N 870;o.0 *4;36. 1'5,460 24,478 B8076-8079- 840.59 845.50 3.96 844.55 3,350 4,638 0.95 1288* 35,638 8083-EL-N

[ 8083-EL-. :840.59 4,6 5.70 -0.79 845.50 B8076-8079- 840.59 9.81 850.40 10,014 4,132 -4.90 -5882 31,.839 8083-EL-S

--B8-07Br--

8079- 882.95 B88076- 879.11 8079-8083-El- 884.50 3.95 883.06 5,362 11,263 1.44 5902 60,179 M 87-9.11-

  • 3;U1, igd2,92:

C-16.

Roof PretDthWL*Vlm, Max Max Total Voue 1Available ITOtal Depth IVolume WSEL Rifl ParapetDDepteWlE...Volum Voue to Ito IRifl NodeI LeelLevel (ft) (ift) on Roof on Roof of Roof *Parapet Parapet Volume (i)J____ (ft) (cu-ft) .(cu-ft) (ft) j (cu-ft) j (cu-ift)

B8076-8079- 879.07 884.5.0 1.27 880.3:4 3,067 82,433 .4.16 79366 33,024 8083-W-N B8076-'

8079- 879.07 884.50 11.29 880.36 3,191 ' 82,433 4.14 79241 31.761 "8083-W'S.____ ____ ___ ____ ____ ____ ____ ____ ____

Notes:

Negative depths = distance over parapet level Negative volumes = volume above parapet level

  • WSEL = water surface elevation level
  1. Roof has defined parapet overflow to Yard or other roof segment, as appropriate C-17

TABLE C-3. ROOF PERFORMANCE WITH BLOCKED ROOF DRAINS AND YARD CATCH BASINS Ma Mx otl Depth Available Total Roof Parapet Depth WSEL' Volume Volume WE Voue Rainfall Node ID Level Level to to (t (t) (ft) on Roof on Roof of Roof Volume (t (f)(ft) (cu-ft) (cu-ft) Parapet Parapet

____________ ...!!.. (cu. t) (cu-t)

B8075-8078-8082-RB-Mid 970.67 973.25 2.63 973.30 11,204 10,916 -0.05 -289 46,912

'B8075-8078-8082-RB-Sth 970.67 973.25 2.65 973.32 11,317 10,91 6 -0.07 -402 48,604 B8075-8078- 838.00 841.13 14.72 852.72 14,148 7,079 -11.59 -7,069 10,960 8082-A3_

[5 80758078.- . 853.00 853.25 "16.65* *869.65- 1,056 " 52: -16.40 -,:1004; 1,056)

B8075-8078- 868.00 871.13 11.33 879.33 2,415 1,525 -8.20 -890 2,415 8082-A6 _____

S8082-la i 862.00 865.0{0 11i.431 ;873,43 11,'599... 6;524 -8.43 -*5.076 142 58075-8078- 858.00 861.13 15.43 873.43 70,86.5 29,621 -12.31 -41,244 57,699 8082-lb _

!B8O0782*07"826,00 829.1 8.63. *834.63 7:,367, 5,853. .-5.50 -i,514' 7,367 587-8082-B 844.00 847.13 7.20 851.20 1,104 953 -4.08 -152 1,104 B808751478 587-8082-B1 882.75 885.75 8.87 891.62 7,583 5,881 -5.87 -1,702 *7,583 B8780782-16_ ___ -

587-8782-B 860.79 86.1.13 ;10.37 871.16 15,913 608 -10.04 -15,305 5,844 B8075-8078--

857-078-,8 838.00 841.13 14.75 852.75 14,176 7,079 -11.63 -7,097 10,945 B8075827-2 B87-8782-B 908.42 911.13 12.04 920.46 2,612 1,416 -9.33 -1,196 2,612 680758078l 882.75 883.00 16.46 899.21 7,691 490 -16.21 -7,201 7,691 B8075827-C 687-8782-C 858.00 861.13 115.33 973.33 135,837 4,220 -112.21 -131.,617 5,227 BO 8~8150 81:3 j1i~826 15',294 ;9,801. " -8.07 -:..5,493 15,294" B8075-8078 B87.8782-3 813,50 816,63 8.44 821.94 1,523 1,225 -5.32 -298 1,523

C-18
  • ,mUliLdlll* t.*.BUi I/V wlJ*JJOlllV* Ilil*ll41*ki*lls lillilllViV IIVIII k ..... * ..................

Roof Parapet J Det IMax WSEL* Max Volume Total Volume Depth WSEL Volume IRainfall

~Available~ Total (It)

_________t)_

(ft) (It) on Roof 1c~t (cuIt (cuffIt)o (cu t Par;apet (It) i Parapet (cu-ft)

(u-)

(__u-_)

B8075-8078-8082-C5 853.00 861.13 4.88 j857.88 I1.020 I1,699 3 25 679 S1.020

  • 879.00' 88.5.0;

~B876-8079- *12J9' 8:91.*79 90.617 :27,026 879.00 884.50 12.75 891.75 93,132 27,867 -7.25 -65,265 93,-131 8083-C-M I -'~~---~-----'-4*-------.---

  • I. I- I.---.
  • 12.88 i,82772%

B8076-8079- 27.87 35,633 4,638 -30,996 840.59 845.50 868.46 -22.96 35,633 8083.EL.N 84.50 ,*869.63' 4,4;69*  ::35,:8437 84.0,59 B8076-8079- 4,132 845.50 28.00 868.59 31,835 -23.09 -27,703 31,.835 8083-EL-S B56071-8079-I S61,002' -12.30' 879.11 17.89 898.80:

B8076-8079- 60.,172 -11.65 884.50 17.04 896.15 11,263 -48,909 60,172 8083-ET-M 87.... 1..

B8076-8079- 33,021 879.07 884.50 3.46 882.54 82,433 1.97 49,41.2 33,020 8083-W.N hB*768079w 58076807-W-S I 879.07

. 879.07, :884.50, 884.50 3.59, 3.41 882.66 882.48 36,21-3 31.759

!82,433

.82,.433 1.*84.

2.02 45,220 50,674

'36i214:

31.757 Notes:

Negative depths = distance over parapet level Negative volumes = volume above parapet level

  • WSEL = water surface elevation 'level
  1. Roof has defined parapet overflow to Yard or other roof segment as appropriate.

C-19

.~: ' i~ :~1 - LZ .n .. *m

-. ,.,,,.,,.: n APPENDIX D DAM BREACH MODEL UNSTEADY FLOW MODELING DETAILS

TABLE D-1. UNSTEADY FLOW INITIAL CONDITIONS Jocassee Dam Fair-Weather

, No. Location Description Fallure(cfs)

.. 6 __Creek Cane 1 400 9 Crooked Creek 1 300 11 ___Deep, Creek 1 500

___15 Keowee River 1 600 LIT ..... 7 Z. .ZITZ-L * ..

  • River *:T'7TTT 7 17 ___Keowee River 3 __ 900 19 -. Keowee. River 5 1

!,600 __

. . ....* -- ive 6*.. . . ...- *.. . ..* * * , . ..

21 Keowee Spill I 150 __

24 Little Creek S 1 250

-26 ___ __ Little Creek S 3 400 ____

36 " Powerouse 1I ..... 150 53 Seneca River ,1225 55 ____Seneca River 3 i3,400 59 Tugaioo River 1. ._!3,0.1,200 *o'°__:_.. .. --

TABLE D-2. INITIAL RESERVOIR ELEVATIONS Development Initial Elevation (ft msl)

Keowee 800 lartwelil. ".. . 6160* -- -il-,,

D-1

~,qJpILq,.I~ ~UtuI .&y .J~uI~ILIv~ *..mu.,a.auuus, VVItIIIIUIU IIUIIE ~JUUII~.. 1Jt~I III ~ I~

TABLE D-3. JOCASSEE AND KEOWEE DEVELOPMENT BREACH PARAMETERS ib)(7)(F) 1 Jocassee'Dam Time to Empty Reservoir is entereda*b()) lin HEC-RAS as recommended in AMEC 2014a.

D-2

FIGURE D-1. HEC-RAS SINE WAVE BREACH PROGRESSION FOR KEOWEE DAMS 07 S06; I i 0 0?! 02 03 04 05 06. 07 08 09 Rehbri'eTinp PIOgi rimn D-3

FIGURE D-2. AMEC JOCASSEE BREACH PROGRESSION AND STAGE-DISCHARGE HYDROGRAPHS Ib)(T)(F) 0-4

n I"e aeiJI ,",a ld r... ua ...

FIGURE D-3. JOCASSEE DAM SINE WAVE BREACH PROGRESSION D-5

FIGURE D-4. STUDY AREA OVERVIEW 2-0 MODEL

  • m=
    =
    • :==Feet D-6

Fiue -. 2- oelbunaycodtonfowhdogah (b~(7)(~)

Figure D-6. 2-D model boundary condition stage hydrograph D-7

FIGURE D-7. MANNING'S ROUGHNESS COEFFICIENTS b1~(7,IF) 0-8

E E FIGURE D-.8A. WATER VELOCITIES AND FLOW PATTERNS AT T = 2.9 HOURS (The top of the figure is North)

D-9

FIGURE D-8B. WATER SURFACE ELEVATIONS AT T =2.9 HOURS (The top of the figure is North)

D-IO0

-..-.-... *.*-~.-,......-.-- I WI (b()FIGR) -A AE EOIISADFO ATRSA . OR tb)(7)IF)

(The top of the figure is North)

D-11

  1. ,OllptdIlb O*eUUI ly ,011sI[IVe! llluppliIgauOei, Wvii~ino lUpip pJuuae'.

ii pii PU brr L.3j~u~uJI)t FIGURE D-9B. WATER SURFACE ELEVATIONS AT T = 5.1 HOURS (The top of the figure is North)

D-12

............ i i d II TI I uoris euiyb)stveIrraun in7)(F) uzc p~ utar.£~uut~

(The top of the figure is North)

D-1 3

FIGURE D-10B. WATER SURFACE ELEVATIONS AT T = 20.0 HOURS (The top of the figure is North)

D-14

tll* nrnllilpi * .n UsII 0.iulll u[Vl *ilmnollnln~rl ulllalrull Ilmnl mu taunuu. al f mu,111 11 IU - i c[* ./l] liu'~I-FIGURE D-11. MONITORING POINT LOCATIONS D-1 5

FIGURE D-12. KEOWEE DAM HEADWATER ELEVATION FIGURE D-13. KEOWEE DAM TAILWATER ELEVATION NEAR ONS 0-16

FIGURE D-14. WATER SURFACE ELEVATION IN ONS INTAKE CANAL DIKE (fl)(7),{F)

FIGURE D-15. WATER SURFACE ELEVATION NEAR VISITOR'S CENTER SWALE WALL D-1 7

D mR A*

  • A*Am lid JI FIGURE D-16. WATER SURFACE ELEVATION AT SAFE SHUTDOWN FACILITY 0-18
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