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:
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a Plant er V Drive Rdc Ulp Operating Procedure O.P.2.7, Rev. 5
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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 2.1 2.2 NORMAL LEVEL AND FLOW CONTROL 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).
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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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
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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 9
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.00 X2..00 4000' 44 t2.10 4124 41 t2.20 4251 4:
12.30 4381 4:
22.40 4514 4!
12.50 4650*
utafTD RTA8R6 D8PARYt4? OF rWFR302
- Gwi0rcPm mmvfy - WABR RE8"CES OZV!82OW B."M2D!,
RAtlM LZE DAY! PTROCSs 02-11-1998 0 lOS3 BY bvchurch LLLB.
S*
DDS 4
7TPSt 001 SSMM DAT!/7IM!i RAn3o R!At1VA¶'W POR USS MOMnI tO/01/86 OTSCHAROR IN CUBIC FRR? PtR RMO2D (E!PAOND PRICKwE)
.01
.02
.03
.04
.05
.06
.07
.09
.4 PAGE 4
TYPE.
LOG RA'rTWG P0
- 20. 0 10-01-80 10030) 01?
Itt 0 PER 29 TEN"¶ PT~
124.0 127.0 230.0 133.0 136.0' W12 L37 364 l9S 528 4025 4150 4277 4408 4542 4037 4162 4290 4421 4555 449 4175 4303 4434 4568 4062 4399 4316 4447 4582 4074 4200 4329 4461 4595 4087 4213 4342 4474 4609 4099 4226 4355 4487 4623 4112 4239 4368 4501 4636 H
'-3 9
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1.00e 02130900 DATE PROCIS5M 02-11-1999 a 09M57 BY bwehurch D
BLACI CRLTR MWAR MCDCR,
- 6. C.
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,00 R? DAM/?trMa 10-1-96 1600) o0.
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, PM9 A.
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&me as Rating fo.9 aboY. 8.00 Et G.".
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of rt ko (D
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-j CA 125C)ARG IIN CUBIC FT!
PER Sl1eO?
.01
.02
.03
.04 (BPANOWD PROCISTON)
.OS
.06
.07
.00 2.90 3.00 3.l0 3.20 3.30 3.40 3.50 3.60 3.70 3.90 3.90 4.00 4.10 4.20 4.30 4.40 4.SO 4.60 4.70 4.80 4.90 5.00 5.10 S.20 5.30 5.40 5.50 5.60 5.70 5.80 5.90 6.00 6.10 6.20 6.30 6.40 6.50
- 19. 00*
19.10 20.00*
20.15 21.48 21.64 23.03 23.18 24.63 24.79 26.28 26.45 28.00' 26.18 29.86 30.05 31.79 31.99 33.79 34.00 35.84 36.07 38.000 35.24 40.42 40.66 42.93
- 43. L8 45.52 45.79 48.22 48.49 51.00*
51.28 53.82 54.10 56.73 57.02 59.73 60.03 62.82 63.13 66.00^
66.30 69.04 69.35 72.27 72.49 75.37 75.69 78.64 70.99 82.006 82.41 86.14 86.5S 90.40 90.84 94.80 95.25 99.33 99.79 104.0' 104.5 108.9 109.4 114.0 114.5 119.2 lt9.7 124.5 125.0 130.0' 130.6 19.20 20.29 21.79 23.34 24.95 26.62 28.37 30.24
- 32. 19 34.20 36.29 36.48 40.91 43.44 46.06 48.77 51.56 54.39 57.32 60.34 63.4S 66.60 69.66 72:.80 76.02 79.3L 82.82 86.99 91.27 95.70 100.3 20S.0 109.9 llS.0 120.2 125.6 131.2 19.30 20.44 21.94 23.50 25.12 26.79 2a.55 30.44 32.39 34.41 36.50 38.72 42.16 43.70 46.32 49.04
- 51. 84 54.68 57.62 60.64 63.76 66.91 69.91
- 73. t2 76.34 79.64 83.23 67.40 9L.71 96.15 100.7 105.5 110.4 115.5 120.7 126.1 132.7 19.40 20.59 22.09 23.66 25.28 26.96 28.74 30.63 32.59 34.62 36.71 39.96 41.41 43.95 46.59 49.32 52.12 S4.97 57.91 60.95 64.01 07.21 70.26 73.44 76.67 79.98
]."64 87.83 92.15 tO1.2 105.9 130.9 l26.0 121.3 126.7 132.3 M9,50 20.73 22.25 23 82
,25.45 27.t3 28.92 30.82 32.79 34.82 36.92 39.20 41.66 44.21 46.86 49.60 52.40
$5.26 S8.21 61.26 64.40 67.51 70.60 73.76 77.00 80.32 84.05 88.25 92.59 97.05 101.6 106.4 1LA.4 116.5 122.8 127.2 132.5 t9.60 20.86 22.40 23.98 25.62 27.32 29.11 31.01 32.99 35.03 37.14 39.44 41.91 44.47 47,3 49.8S 52.68 55.55 58.51 61.57 64.72 67.82 70.91 74.08 77.32 80.65 84.47 81.58
- 93. 03.:
97.5 102.1 106.9 111.9 117.1 122.3 127.8 133.4 29.70 21.03 22.56 24.14 21.78 27.49 29.30 31.21 33.19 35.23 37.35 39.68 42.16 44.74 47.40 50.1S 52.96 55.84 18.82 61.81 65.04 68.12 7t.22 74.40 77.65 80.9, 84.88.
- 89. 1 93.47 97.96 102.6 107.4 112.4 117.6 12.9 128.3 234.0
.06 19.80 21.18 22.72 24.30 25.95 27.65 29.49 31.40 33.39 35.44 37.57 39.93 42.42 45.00 47.67 50.44 53.25 56.14 S9.12 62.29 65.36 68.43 71.54 74.72 77.98 e8.32 es.30 89.U4 93.91 96.42 103.3 107.9 1L2.9 118.1 123.4 126.9 134.5
.09 19.90 21.33 22.67 24.46 26.21 27.83 29.67 31.60 33.59 35.65 37.78 40.17 42 67 45.26
.7.90 50.72 53.53 56.43 59.42 62.50 6S.68 68.74 71.95 75.04 78.3l 81.66 85.72 89.97 94.36 98.87 103.5 108.4 113.4 118.6 124.0 129.4 135.1 DIFF IN Q MR 1.000 1.480 1.550 1.600 1.650 1.720 1.660 1.930 8
2.000
=
2.070 3
2.140 z
0-3 2.420
(.n 2.510 2.590 2.700 r
2.780 0
2'70 2.B20
(
2.910 I
3.000 3.090 Mh 3.040 3.130 3.200 3.270 3.360 4.140 4 260 4.400 4.530 4.670 4.900 5.100 5.200 5.300 5.500 S.700 D 0) 0 I '
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tr 6.60 235.7 236.3 O 6 70 141.5 142.1 6.60 147.5 148.1 0
6.90 153.7 154.3 7.00 160.0*
160.7 7.10 L67.5 168.3
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7.40 291.S 292.3 0
- 0.
7.50 20M.0*
200.8 7.60 208.3 209.2 (D
7.70 216.9 217.8 O
7.80 225.7 226.6 7.90 234.7 235.6 9.00 244.0k 245.!
6.10 253.6 261.2 5.20 276.04 277.9 8.30 295.4 297.4 C
8.40 316.0*
318.3 3.50 340.0*
312.6 8.60 366.4 369.1 8.70 394.5 397.4 9.60 424.4 427.S 8.90 456.2 459.S 9.00 490.0' 493.3 9.10 523.8 527.3 9.20 559.5 563.2 9.20 597.2 601.2 9.40 637.0 64L.1 9.SO 679.0 683.4 9.60 723.3 727.9 9.70 770.0*
774.3 9.80 8L4.0 818.5 9.90 860.0' 864.6 10.00 906.9 921.7 10.10 95s.6 960.6 20.20 1007 t012 20.30 2060' 1066 BTAtS DNPAiTMMr(W oe If tOR - G8OL0CAto UWRVET - WArER R tVORM DIVISION BXPAMID
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DISCRARG TN CUIC rEEZT PMR DMCO"D
.02
.03
.04 (NXPANM PrCs8bO)
.05
.06
.07 2.6.8 142.7 248.7 541.9 161.5 169.0 176.8 184.9 193.2 202.6 220.0 218.6 227.5 236.6 247.2.
262. e 279.8 299.5 320.7 345.1 371.9 400.3 430.6 462,0
- 96.6 5)0.6 5CS.9 605.0 645.3 687.7 732.5 778.6 823.0 e69.2 916.5 965.8 2017 1071 137.4 143.3 149. 3 155 6 262.2 26.8 177.6 165.7 194.0 202.5 220.9 219.5 228.4 237.5 241.6 264.4 28.7 301.5 323.0 347.7 374.7 403.3 433.8 466.2 499.9 534.3 570.6 608.9 649.4 692.1 737.1 783.0 827.6 873.8 921.3 970.8 1023 2077 136.0 L43.9 150.0 156.2 163.0 270.6 270.4 186.5 194.9 203.)
212.7 220.4 229.3 238.4 250.1 266.1 283.6 303.5 325.4 350.1 377.4 406.3 436.9 469. S 503.3 537.6 574.3 612.9 653.6 696.5 741.7 797.4 832.1 78.5S 926.2 975.9 1028 1082 PAIM 2 TiPs I WuG (s 001 RA7DIM NOs 10
,I/TINE:
10-10-96 11600) 138.6 144.5 150.6
- 16. e 163.7 171.4 179.2 187.3 295.7 204.I 212.6 221.3 230.2 239.3 251.7 267.7 285.6 30S.6 327.8 353.0 380.2 409.2 440.1 472.9 506.7 54L.A 576.1 L66.9 657.7 700.9 746.4 791.7 836.7 883.2 931.1 951.0 1033 108e 139.2 139.8 145.1 145.7 151.2 151.6 157.S 1S9.I L64. 5 165.2 172. 1 172.9 180.0 LeO.8 289.2 189.0 196.6 197.4 205.0 205.8 213.4 214.3 222.1 223.0 231.1 212.0 240.3 241.2 253.3 254.8 269. 3 27o.0 207. s 269.5 307.6 309.7 330.2 332.6 355.6 35s3.
383.1 315.9 412.2 413.3 443.)
446.5 476.2 479.7 510.0 513.5 545.0 545.6 551.9 585.7 620. 8 624.9 662.0 666.2 705.3 709.8 751.0 1SS 7 796.2 80o.6 841.3 8 46.0 eo7 >9 82.6 936.0 940.9 986.1 991.3 1638 1044 1093 L099
- .08 140.3 146.3 152.4 156.7 266.0 173.7 181.6 18
- 198.3 206.6 215.2 223.9 232.9 242.1 256.4 272.7 291.5 311.5 335.1 362.0 386.7 428.3 449.7 483.1 516.9 552.2 5S9.5 626.9 670.5 714.3 760.5 605.0 850.6 697.3 915.8 996.4 1049 11O05
.09 240.9 246.9 153.1 15S9.
166.7 174.5 182.4 190.7 299.1 207.5 216.0 224.8 233.8 243.1 255.0 274.3 293.5 313.9 337.6 363.7.
391.6 421.3 452.9 486.5 520.3 555. 8 593.3 632.9 674.7 718.8 765.2 809.5 8S5.3
- 902, 950.9 1002 1055 11ll DIFF IN Q PM:
5.800 6.000 6.200 6.300 7.500 7.600 8.000 8.200 8.500 9.300 8.6e00 8.800
-a 9.000 f
9.300 15.60 3
16.40 Z
19.40 20.60 1
24.00 26.40 r
28.10 29.90 0
31*80 33.8o0 0
33.60 0 35.70 W
37.70 39.80 42.00 44.30 46.70 44.00 46.00 46.90 48.90 51.20 533O0 56.00 0 Po pb i 0
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MMAEWCAL MWIT - WATR RIS0MCS DIVIS2OM EXPANDM RAYT=O TABLE PACe 3 TMPR & U 02130900 BWACR C1MMWAR ICD, S.
C.
0Pi1m
.00 HE2ORT (Fnwr)
.043
.01 10.40 2116 3322 10.50 1175*
1181 20.60 1238 1245 30.70 1304 1311 10.80 1373 1380 10.90 1445 1452 11.00 1520' 1528 11.10 1600 1608 11.20 1683 1691 12.30 1770 1779 11.40 1860f l170 11.50 19S9 1969 11.60 2062 2072 11.70 2169 2180 21.80 2281 2293 31.90 2398 2410 12.00 2520*
2S34 12.10 2662 2677 12.2 "
2611 2826 12.30 2966 2992 12.40 3129 3146 12.50 3300' 3319 12.60 3491 3510 12.70 3690 3711 12.80 3900 3921 12.90 4120 4242 13.00 4350' 4372 13.10 4570*
DATR Pe0CESM2 02-11-1998 0 09.57 BY bwChirch DO:
4 TYpEa 001 RATING "Os 10 STAR DAONSI¶MI 10-10-96 (1600) sam'e as Rating ft.9 Aboe 8.00 ft O.K.
IEXPAND8D P1C1IO0W)
.(6
.07 DOTCHARGE IN CUQIC FeW?
PRM M Me01D
.02
.03
.04 1126 1167 1251 1318 1387 1460 1536 2616 1700 1787 1879 1979 2083 2191 2304 2422 2549 2691 2841 2998 3163 3337 3S30 3732 3943 416s 4393 11.4 1t94 12S8 1325 1394 1467 1544 1624 1709 2796 2899 1999 2093 2202 2326 2434 2562 2706 2857 3015 3280 3356 35.49 3752 3965 418e 4425 1139 1200 1264 1332 1402 1475 1552 1633 2717 2 805 2899 1999 2104 1213 2327 2446 2576 2721 2872 3031 3197 3375 3569 3773 3987 4211 4437
.03 1145 2206 1271 1338 1409 1482 1559 1641 L726 L814 1909 2010 2115 2225 2339 2158 2S90 2736 2889 3047 3234 2394 3589 3794 409 4234 4459 1151 1213 1278 1345 1416 1490 1567 1649 1735 1823 1919 2020 2126 2236 2351 2471 2604 2750 2903 3063 3231 3413 3649 3815 4031 4257 4481 1157 3219 2234 33S2 2423 1497 1575 1659 1743 1833 1929 2030 2136 2247 2363 2423 2619 2765 2919 3080 3248 3432 3629 3826 4053
.4280 4503 116) 122s 1291 1359 1430 I505 1584 1666 1752 2842 2939 2041 2147 2259 2374 2495 2633 2780 293s 3096 326S 3452 3650 3857 4075 4303 4S25 116!
123 1291 1361 1431 1511 1591 167i 1761 1e85.
194!
2051 2151 2271 2384 2504 2644 2794 2951 311:
328:
347J 3671 3871
&OT, 4321 4S4' Dl" ZN Q PIM
.09 MRI Frr 9
59.00 2
63.00 66.00 69.00 8
72.00 2
75.00 80.00 4
83.00 1
87.00 L
90.00 g
99.00 k
30z03.0 107.0 3
112.0 S
117.0 8
122.0 5
142.0
(
6 149.0 1
155.0 3
163.0 5
172.0 L
191.0 0
299.0 P
210.0 7
220.0 S
230.6 8
220.0'
-3 II
-3 DO U
x-3
- M a0) q4 r
0 UIn -J I...
10 to 00 to Fh 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