ML031970588
| ML031970588 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 06/25/2003 |
| From: | England L Office of Nuclear Reactor Regulation |
| To: | Kozyra J Progress Energy Carolinas, Progress Energy Co |
| Emch R, NRR/DRIP/RLEP, 415-1590 | |
| References | |
| Download: ML031970588 (16) | |
Text
Kozyra, Jan From: England, Louise Sent: Wednesday, June 25, 2003 9:02 AM To: Kozyra, Jan
Subject:
Dam releases The Water Pollution Control Authority issued a permit on 5-15-61 for the discharges from Robinson Plant (Unit 1) into Lake Robinson. At that time the mflow in Black Creek below the lake is to be maintained at or above normal rate at all times".
Permit (issued 6-24-64) was revised to state "Discharge from Lake Robinson dam to be maintained at or above 1.47 times flow measured by USGS gauge on Black Creek near McBee, South Carolina. Flow ratio subject to review at 5-year intervals as data accumulates, or as major construction may indicate a need.'
First NPDES permit issued by EPA effective 2-18-75 had no verbiage concerning flow releases from Lake Robinson dam.
I could find no documentation that EPA was concerned with the flow releases from the dam.
First NPDES permit issued by SC DHEC effective in 1982 also had no verbiage concerning flow releases from Lake Robinson dam.
It appears that the limits within the Robinson Plant's operating procedure are a carryover from a gentleman's agreement with Sonoco. If you need more information please let me know.
1
4 CAROLINA POWER & LIGHT COMPANY ROBINSON/DARLINGTON COUNTY FOSSIL GENERATING PLANT T I T L E ROBINSON IMPOUNDMENT OPERATION OPERATING PROCEDURE O.P.2.7 REVISION 5 DATE: July 15, 1999 RECOMMENDED BY:
Opert oni Supervisor APPROVED: X L a Plant er V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5
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Page: 2 of 15 Date: 07-15-99 Rev.: 5 CAROLINA POWER & LIGHT COMPANY ROBINSON/DARLINGTON COUNTY FOSSIL GENERATING PLANT TITLE: Robinson Impoundment Operation APPLICABILITY: All Operating Personnel PURPOSE: Provide Instruction for Controlling Impoundment Level and Stream Flows
1.0 OBJECTIVE
Impoundment Operation is of extreme importance due to the mandatory requirement to supply adequate cooling water at all times to the Plant and due to the obligation to supply adequate water to downstream users. This procedure is to be followed as necessary to maintain proper impoundment level, stream flow, temperatures, Apd comply with Water Pollution Control Permits. The Operations Supervisor or the Plant Manager is to be notified of changes in the status of Robinson impoundment flow and level control (such as opening Howell-Bunger valves or Tainter Gates).
2.0 NORMAL LEVEL AND FLOW CONTROL 2.1 The spillage over "A" and "B" Tainter Gates will maintain proper downstream flow when Robinson impoundment levels are between elevation 220.7 and 221.5 feet mean sea level (MSL).
2.2 The normal downstream flow has a daily maximum temperature limit of 33 0C. (91.4 0F) measured at the gauging station located at SC Highway 23 bridge. The daily maximum temperature limit is a 24-hour average. The discharge from Robinson Impoundment Spillway during the months of June through September may need mixing of cooler water from "B" Howell-Bunger Valve to assure this temperature limit is not exceeded.
V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5
!Pr-ocedure
- No.-
- -O.PP-2.7 Page: 3 of 15 Date: 07-15-99 Rev.: 5 3.0 LOWER THAN NORMAL LEVEL AND FLOW 3.1 When Robinson impoundment level falls below 220.7 feet MSL, either "A" or "B" Howell-Bunger valve should be opened enough to maintain a downstream flow of approximately 65 CFS, measured at the gauging station located at SC Highway 23 bridge. Notify Unit 1 and Unit 2 shift management when the Howell-Bunger Valves are required.
3.2 When Robinson impoundment level is between 220.0 and 219.0 feet MSL, the downstream flow should be maintained at aproximately 30 CFS, measured at the gauging station located at SC Highway 23 bridge, using either "A" or "B" Howell-Bunger Valve.
3.3 When Robinson impoundment level reaches 219.0 feet MSL, Section and Department Management will be involved in decisions involved in spillway operation.
4.0 Higher than Normal/Flood Conditions If Head flow exceeds 750 CFS and Lake Level is above 221.2 ft.,
increase Tail Flow discharge rates to equal Head Flow supply rate, Notify the Operations Supervisor or the Plant Manager.
4.1 If the Head Flow reaches 900 CFS and the Lake Level is still rising, notify the Operations Supervisor or the Plant Manager. When the Tail Flow Discharge Rates reach 900 CFS notify Unit #2 Emergency Preparedness Group. When the Lake Level reaches 221.5 ft. and the Head Flow is greater than 900 CFS, maintain the Lake Level between 221.5 to 221.65 ft., utilizing the Spillway Equipment. When the Tail Flow Discharge rate of 1100 CFS, notify the Operations Supervisor or the Plant Manager. Note: Notify Unit #2 Shift Supervisor if and when the Tainter Gates are opened. Operations Supervisor or the Plant Manager can change the Lake Level or discharge rates depending upon Hydrological Conditions.
6.0 TESTING Both H-B valves are to be opened fully and both Tainter Gates partially operated (raised approximately one inch) once per month.
V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5
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Page: 4 of 15 Date: 07-15-99 Rev.: 5 7.0 RECORDS 7.1 Log in the Unit #1 Shift Log and Control Operator's Logs all valve and gate position changes, recording the time and the new position.
7.2 In the event that the continuous temperature recorder(s) are inoperative for periods in excess of 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, manual temperature observations shall be obtained at a frequency of not less than once per four hours at approximately equal time increments.
7.3 Upon notification that the Weir discharge temperature is out of service, verify that the backup is operative. If the backup recorder is out of service, the YSI is to be used to measure the Weir discharge temperature. This instrument is located in the Unit #l Lab. During normal working hours, the lab personnel will obtain tthe necessary readings. On night shift.and weekends Operations personnel will obtain, log, and route the necessary readings to the Unit #1 Lab.
8.0 See Attachment 6 for the authorized discharge temperatures from outfall number 001 (Discharge Canal Weir Temperature Monitor).
V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5
,cedure No1.: 0.P.2.7
- age: 5 of 15 Date: 07-15-99 Rev.: 5 ATTACHMENT 1 Expected Spillway Valve Discharge Rates
'A' Spillway Valve Only Lake Level CFS CFS CFS CFS CFS CFS CFS CFS CFS CFS 222 50 87 128 196 222 242 257 266 270 221.5 49 86 126 163 194 221 241 255 265 269 221 49 86 124 163 190 220 240 252 264 268 220.5 48 84 124 160 186 219 239 251 262 268 220 48 84 123 160 184 218 238 250 260 267 Valve Opening 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
"A" Spillway Valve Open 100% Plus "B" Spillway Valve Lake Level CFS CFS CFS CFS CFS CFS CFS CFS CFS CFS 222 314 362 398 430 458 482 500 510 519 525 221.5 310 361 395 428 454 480 499 509 517 524 221 309 359 1 390 426 450 478 497 507 515 523 220.5 308 358 386 424 448 474 495 504 512 521 220 308 354 385 422 446 470 490 502 511 520 Valve Opening 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
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V Drive Rdic Ulp Operating Procedure O.P.2.7, Rev. 5
- -,Procedure No>: -O.P-.2-.I-.:
Page: 6 of 15 Date: 07-15-99 Rev.: 5 ATTAcHmENT 2 .- LJ-+/-
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- r-ocedur .-N04: O.P .2.-7 Page: 7 of 15 Date: 07-15-99 Rev.: 5 ATTACHMENT 3 Expected Tainter Gate Discharge Flow Rate (Gate Raised)
Gate Ralsed-tnches One Gate Two Gates 1 260 680 2 400 900 3 445 1000 4 485 1085 5 510 1270 6 600 1375 7 685 1600 8 735 1700 Y.
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' 02130900 DATE PROCIS5M 02-11-1999 a 09M57 BY bwehurch D BLACI CRLTR MWAR MCDCR, 6. C. DOt 4 ?YPct 002 R.TM NOt I00
" OP7SMTe ,00 R? DAM/?trMa 10-1-96 1600) o0.
BA"SD ON ._ DTMEMA MOELTReM , PM9 . A. AJ2D 1S _ DIFIttl 8 _
-l- dMD Cre C C0N~'O" BY _ ATS CHK. DV DA7I
&me as Rating fo.9 aboY. 8.00 Et G.".
DIFF IN Q R 125C)ARG IIN CUBIC FT! PER Sl1eO? (BPANOWD PROCISTON) MR of .00 .01 .02 .03 .04 .OS .06 .07 .06 .09 rt 2.90 19. 00* 19.10 19.20 19.30 19.40 M9,50 t9.60 29.70 19.80 19.90 1.000 3.00 20.00* 20.15 20.29 20.44 20.59 20.73 20.86 21.03 21.18 21.33 1.480 ko 3.l0 21.48 21.64 21.79 21.94 22.09 22.25 22.40 22.56 22.72 22.67 1.550 It.
0 (D 3.20 23.03 23.18 23.34 23.50 23.66 23 82 23.98 24.14 24.30 24.46 1.600 3.30 24.63 24.79 24.95 25.12 25.28 ,25.45 25.62 21.78 25.95 26.21 1.650 0 3.40 26.28 26.45 26.62 26.79 26.96 27.t3 27.32 27.49 27.65 27.83 1.720 tD II CD 3.50 28.00' 26.18 28.37 2a.55 28.74 28.92 29.11 29.30 29.49 29.67 1.660 '-
N 0 3.60 29.86 30.05 30.24 30.44 30.63 30.82 31.01 31.21 31.40 31.60 1.930 8 3.70 31.79 31.99 32. 19 32.39 32.59 32.79 32.99 33.19 33.39 33.59 2.000 =
e 3.90 33.79 34.00 34.20 34.41 34.62 34.82 35.03 35.23 35.44 35.65 2.070 3 3.90 35.84 36.07 36.29 36.50 36.71 36.92 37.14 37.35 37.57 37.78 2.140 z
-j 0-3 4.00 38.000 35.24 36.48 38.72 39.96 39.20 39.44 39.68 39.93 40.17 2.420 (.n 4.10 40.42 40.66 40.91 42.16 41.41 41.66 41.91 42.16 42.42 42 67 2.510 4.20 42.93 43. L8 43.44 43.70 43.95 44.21 44.47 44.74 45.00 45.26 2.590 CA 4.30 45.52 45.79 46.06 46.32 46.59 46.86 47,3 47.40 47.67 .7.90 2.700 r 4.40 48.22 48.49 48.77 49.04 49.32 49.60 49.8S 50.1S 50.44 50.72 2.780 2'70 0 4.SO 51.00* 51.28 51.56 51. 84 52.12 52.40 52.68 52.96 53.25 53.53 2.B20 (
4.60 53.82 54.10 54.39 54.68 S4.97 $5.26 55.55 55.84 56.14 56.43 2.910 I 4.70 56.73 57.02 57.32 57.62 57.91 S8.21 58.51 18.82 S9.12 59.42 3.000 4.80 59.73 60.03 60.34 60.64 60.95 61.26 61.57 61.81 62.29 62.50 3.090 Mh 4.90 62.82 63.13 63.4S 63.76 64.01 64.40 64.72 65.04 65.36 6S.68 5.00 66.00^ 66.30 66.60 66.91 07.21 67.51 67.82 68.12 68.43 68.74 3.040 5.10 69.04 69.35 69.66 69.91 70.26 70.60 70.91 7t.22 71.54 71.95 3.130 S.20 72.27 72.49 72:.80 73. t2 73.44 73.76 74.08 74.40 74.72 75.04 3.200 5.30 75.37 75.69 76.02 76.34 76.67 77.00 77.32 77.65 77.98 78.3l 3.270 5.40 78.64 70.99 79.3L 79.64 79.98 80.32 80.65 80.9, e8.32 81.66 3.360 D 0) 0 I '
49 rt. t0 5.50 82.006 82.41 82.82 83.23 ]."64 84.05 84.47 84.88. es.30 85.72 4.140 (D, 5.60 86.14 86.5S 86.99 67.40 87.83 88.25 81.58 89.1 89.U4 89.97 4 260 5.70 90.40 90.84 91.27 9L.71 92.15 92.59 93. 03.: 93.47 93.91 94.36 4.400 5.80 94.80 95.25 95.70 96.15 97.05 97 .5 97.96 96.42 98.87 4.530 5.90 99.33 99.79 100.7 101.6 .. (
100.3 tO1.2 102.1 102.6 103.3 103 .5 4.670 UXO W M 0 6.00 104.0' 104.5 20S.0 105.5 105.9 106.4 106.9 107.4 107.9 108.4 4.900 '. C- :
108.9 109.4 109.9 110.4 130.9 1LA.4 C)' : '
6.10 111.9 112.4 1L2.9 113.4 5.100 6.20 114.0 114.5 llS.0 115.5 l26 . 0 116.5 117.1 117.6 0 'H 118.1 118.6 5.200 6.30 119.2 lt9.7 120.2 120.7 121.3 122.8 122.3 12 .9 123.4 124.0 5.300 6.40 124.5 125.0 125.6 126.1 126.7 127.2 127.8 128.3 126.9 129.4 5.500
'V 6.50 130.0' 130.6 131.2 132.7 132.3 132.5 133.4 234.0 134.5 135.1 S.700
I -A.1 uMIN BTAtS DNPAiTMMr(W oe If tOR - G8OL0CAto UWRVET - WArER R DIVISION tVORM PAIM 2 BXPAMID !IMATI MBI&I TiPsI WuG 02130900 DAS PFRCE5g0t 02-lt-12996 09s57 OT bwchurch R EArCcC8I!I "BAR MIBBt, 9. C. DMs 4 TTiP(s 001 RA7DIMNOs 10 g OPPJ .00 fRART DA' ,I/TINE: 10-10-96 11600) 0~~~0 $mmfl as RatLng lt0.9 above 8.00 ft O.N.
AOla DIFF IN Q DISCRARG TN CUIC rEEZT PMR DMCO"D (NXPANM PrCs8bO) PM:
o (Mr") .00 .01 .02 .03 .04 .05 .06 .07 * .08 .09 C
tr 6.60 235.7 236.3 2.6.8 137.4 136.0 138.6 139.2 139.8 140.3 240.9 5.800 6 70 O 141.5 142.1 142.7 143.3 L43.9 144.5 145.1 145.7 146.3 246.9 6.000 6.60 147.5 148.1 248.7 149. 3 150.0 150.6 151.2 151.6 152.4 153.1 6.200 0 6.90 153.7 154.3 541.9 155 6 156.2 16. e 157.S 1S9.I 156.7 15S9 . 6.300 7.00 160.0* 160.7 161.5 262.2 163.0 163.7 L64. 5 165.2 266.0 166.7 7.500 7.10 L67.5 168.3 169.0 26 .8 270.6 171.4 172. 1 172.9 173.7 174.5 7.600
%Q 7.20 175.3 176.2 176.8 177.6 270.4 179.2 180.0 LeO.8 181.6 182.4 8.000 7.30 183.3 164.1 184.9 165.7 186.5 187.3 289.2 189.0 18
- 190.7 8.200 0 7.40 291.S 292.3 193.2 194.0 194.9 295.7 196.6 197.4 198.3 299.1 8.500 0
- 0. 7.50 20M.0* 200.8 202.6 202.5 203.) 204.I 205.0 205.8 206.6 207.5 9.300 7.60 208.3 209.2 220.0 220.9 212.7 212.6 213.4 214.3 215.2 216.0 8.6e00 (D 7.70 216.9 217.8 218.6 219.5 220.4 221.3 222.1 223.0 223.9 224.8 8.800 -a O 7.80 225.7 226.6 227.5 228.4 229.3 230.2 231.1 212.0 232.9 233.8 9.000 f 7.90 234.7 235.6 236.6 237.5 238.4 239.3 240.3 241.2 242.1 243.1 9.300 ;
9.00 244.0k 245.! 247.2. 241.6 250.1 251.7 253.3 254.8 256.4 255.0 15.60 3 6.10 253.6 261.2 262.e 264.4 266.1 267.7 269. 3 27o.0 272.7 274.3 16.40 Z 5.20 276.04 277.9 279.8 28.7 283.6 285.6 207. s 269.5 291.5 293.5 19.40 8.30 295.4 297.4 299.5 301.5 303.5 30S.6 307.6 309.7 311.5 313.9 20.60 1 C 8.40 316.0* 318.3 320.7 323.0 325.4 327.8 330.2 332.6 335.1 337.6 24.00
.: 3.50 340.0* 312.6 345.1 347.7 350.1 353.0 355.6 35s3. 362.0 363.7. 26.40 r 8.60 366.4 369.1 371.9 374.7 377.4 380.2 383.1 315.9 386.7 391.6 28.10 8.70 394.5 397.4 400.3 403.3 406.3 409.2 412.2 413.3 428.3 421.3 29.90 0 I i 9.60 424.4 427.S 430.6 433.8 436.9 440.1 443.) 446.5 449.7 452.9 31*80 I~l 8.90 456.2 459.S 462,0 466.2 469. S 472.9 476.2 479.7 483.1 486.5 33.8o0 0
! 9.00 9.10 490.0' 523.8 493.3 527.3
- 96.6 5)0.6 499.9 534.3 503.3 537.6 506.7 54L.A 510.0 545.0 513.5 545.6 516.9 552.2 520.3 555.8 33.600 35.70 W 9.20 559.5 563.2 5CS.9 570.6 574.3 576.1 551.9 585.7 5S9.5 593.3 37.70 -
9.20 597.2 601.2 605.0 608.9 612.9 L66.9 620. 8 624.9 626.9 632.9 39.80 9.40 637.0 64L.1 645.3 649.4 653.6 657.7 662.0 666.2 670.5 674.7 42.00
.;i 9.SO 679.0 683.4 687.7 692.1 696.5 700.9 705.3 709.8 714.3 718.8 44.30 0 Po pb i 9.60 723.3 727.9 732.5 737.1 741.7 746.4 751.0 1SS 7 760.5 765.2 46.70 0 0) 0) (
9.70 770.0* 774.3 778.6 783.0 797.4 791.7 796.2 80o.6 605.0 809.5 44.00 :F 9.80 8L4.0 818.5 823.0 827.6 832.1 836.7 841.3 846.0 850.6 8S5.3 46.00 9.90 860.0' 864.6 e69.2 873.8 78.5S 883.2 eo7 >9 82.6 697.3 902,* 46.90 L' -J i -. t* i 10.00 906.9 921.7 916.5 921.3 926.2 931.1 936.0 940.9 915.8 950.9 48.90 I wA 0D 10.10 95s.6 960.6 965.8 970.8 975.9 951.0 986.1 991.3 996.4 1002 51.20 20.20 1007 t012 2017 1023 1028 1033 1638 1044 1049 1055 533O0 Ln0 20.30 2060' 1066 1071 2077 1082 108e 1093 L099 11O05 11ll 56.00 00
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0 UNx?3 HTAmT DMRl1WT? o0 INT RIOR - MMAEWCAL MWIT - WATR RIS0MCS DIVIS2OM PACe 3 EXPANDM RAYT=O TABLE TMPR &U CL 02130900 DATR Pe0CESM2 02-11-1998 0 09.57 BY bwChirch BWACR C1MMWAR ICD, S. C. DO: 4 TYpEa 001 RATING "Os 10
- 0 0Pi1m .00 STAR DAONSI¶MI 10-10-96 (1600) sam'e as Rating ft.9 Aboe 8.00 ft O.K.
Dl" ZN Q HE2ORT DOTCHARGE IN CUQIC FeW? PRM M Me01D IEXPAND8D P1C1IO0W) PIM (Fnwr) .043 .01 .02 .03 .04 .03 .(6 .07 .09 MRI Frr
.a 0 10.40 2116 3322 1126 11.4 1139 1145 1151 1157 116) 116! 9 59.00 0) tl 10.50 1175* 1181 1167 1t94 1200 2206 1213 3219 122s 123 2 63.00 0.
to 20.60 1238 1245 1251 12S8 1264 1271 1278 2234 1291 1291 66.00 m 30.70 1304 1311 1318 1325 1332 1338 1345 33S2 1359 1361 69.00 0 10.80 1373 1380 1387 1394 1402 1409 1416 2423 1430 14318 72.00 (D
- 0 10.90 1445 1452 1460 1467 1475 1482 1490 1497 I505 15112 75.00 a
-3 11.00 1520' 1528 1536 1544 1552 1559 1567 1575 1584 1591 80.00 CD 11.10 1600 1608 2616 1624 1633 1641 1649 1659 1666 167i 4 83.00 11.20 1683 1691 1700 1709 2717 L726 1735 1743 1752 17611 87.00 N
0 12.30 1770 1779 1787 2796 2805 L814 1823 1833 2842 1e85. L 90.00 II 11.40 1860f l170 1879 2899 2899 1909 1919 1929 2939 194!g 99.00
. 1 -3 U
11.50 19S9 1969 1979 1999 1999 2010 2020 2030 2041 2051k 30z03.0 DO 4
11.60 2062 2072 2083 2093 2104 2115 2126 2136 2147 2151 107.0 11.70 2169 2180 2191 2202 1213 2225 2236 2247 2259 22713 112.0 U' 21.80 2281 2293 2304 2326 2327 2339 2351 2363 2374 2384S 117.0 31.90 2398 2410 2422 2434 2446 2158 2471 2423 2495 25048 122.0 ' -3 x
12.00 2520* 2S34 2549 2562 2576 2S90 2604 2619 2633 2644 5 142.0 (
12.10 2662 2677 2691 2706 2721 2736 2750 2765 2780 27946 149.0 12.2 " 2611 2826 2841 2857 2872 2889 2903 2919 293s 29511 155.0 '
12.30 2966 2992 2998 3015 3031 3047 3063 3080 3096 311:3 163.0 12.40 3129 3146 3163 3280 3197 3234 3231 3248 326S 328: 5 172.0 12.50 3300' 3319 3337 3356 3375 2394 3413 3432 3452 347JL 191.0 12.60 3491 3510 3S30 35.49 3569 3589 3649 3629 3650 3671 0 299.0 12.70 3690 3711 3732 3752 3773 3794 3815 3826 3857 3871P 210.0 12.80 3900 3921 3943 3965 3987 409 4031 4053 4075 &OT, 7 220.0 :M a 0) 12.90 4120 4242 416s 418e 4211 4234 4257 .4280 4303 4321S 230.6 q4 r 00 13.00 4350' 4372 4393 4425 4437 4459 4481 4503 4S25 4S4' 8 220.0' 13.10 4570* 0 to UIn -J I...
10 Fh to Ln
- -roce.ure-No.:
Page: 15 of 15 Date:. 07-15-99 Rev.: 5 ATTACHMENT 6 WEIR DISCHARGE TEMPERATURE LIMITS (Daily Maximum)
Month Limit (0 F)
December - February 90.0 March 92.0 April 100.0 May 106.0 June - September 111.2 October 108.0 November 100.0 V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5