ML100630155
| ML100630155 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 02/25/2010 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| TAC MD8203 | |
| Download: ML100630155 (14) | |
Text
2 Table 1. Operating Conditions for Intake Pumping Station Number Operating Units Flow Condition ERCW System RCW System Approx Combined Flow ERCW &
RCW systems Number Operating Pumps Approx Combined Flow of Pumps Number Operating Pumps Approx Combined Flow of Pumps One Representation of Unit 1 operating experience 2
47.9 cfs 4
40.1 cfs 88.0 cfs 21,500 gpm 18,000 gpm 39,500 gpm 31.0 mgd 25.9 mgd 56.9 mgd Two Normal mode 2
47.9 cfs 6
68.2 cfs 116.1 cfs 21,500 gpm 30,600 gpm 52,100 gpm 31.0 mgd 44.1 mgd 75.1 mgd Normal max mode 4
106.1 cfs 6
68.2 cfs 174.3 cfs 47,600 gpm 30,600 gpm 78,200 gpm 68.5 mgd 44.1 mgd 112.6 mgd Table 2. Hourly River Flow Month Hourly River Flow (°F)
Min Average Max Jan 0
36132 122404 Feb 0
40256 115311 Mar 0
34047 156599 Apr 0
19978 156599 May 0
16982 119306 Jun 0
20909 81291 Jul 0
18723 60179 Aug 0
22584 49140 Sep 0
21687 81288 Oct 0
20789 70603 Nov 0
29240 84984 Dec 0
32374 102251
3 Table 3. Hourly Ambient River Temperature Month Hourly Ambient River Temperature (°F)
Min Average Max Jan 36.6 44.2 52.0 Feb 36.3 43.9 52.2 Mar 38.9 49.1 60.0 Apr 47.8 56.5 67.2 May 54.4 64.1 73.2 Jun 61.6 71.6 79.7 Jul 68.7 76.6 83.9 Aug 72.4 78.3 84.6 Sep 69.6 76.4 82.7 Oct 57.5 68.6 79.2 Nov 47.1 58.6 68.8 Dec 37.7 49.4 59.5 Table 4. Hourly Drybulb Temperature Month Hourly Drybulb Temperature (°F)
Min Average Max Jan
-9.9 39.3 77.0 Feb 3.0 43.6 79.0 Mar 10.0 51.9 87.1 Apr 26.1 60.4 91.0 May 37.9 68.1 93.0 Jun 46.9 75.6 100.9 Jul 57.0 78.9 105.1 Aug 54.0 78.2 104.0 Sep 41.0 71.6 100.0 Oct 26.1 60.1 91.0 Nov 16.0 50.4 82.9 Dec
-2.0 42.3 77.0
4 Table 5. Hourly Wetbulb Temperature Month Hourly Wetbulb Temperature (°F)
Min Average Max Jan
-10.7 35.4 67.0 Feb 2.5 38.7 66.7 Mar 8.2 45.6 72.4 Apr 23.3 53.0 76.2 May 36.2 61.4 79.8 Jun 41.0 68.5 81.3 Jul 46.0 71.8 85.2 Aug 52.9 71.1 84.0 Sep 40.3 65.4 78.5 Oct 25.3 54.6 76.5 Nov 15.2 45.7 72.2 Dec
-3.0 38.3 68.9 Table 6. Difference between Hourly Wetbulb and Hourly Ambient River Temperatures Month Difference Between Hourly Wetbulb Temperature and Hourly Ambient River Temperature (°F)
Min Average Max Jan
-53.9
-8.8 22.1 Feb
-38.9
-5.2 24.3 Mar
-36.2
-3.5 22.2 Apr
-36.3
-3.5 18.3 May
-27.8
-2.7 15.6 Jun
-26.2
-3.2 11.7 Jul
-31.2
-4.8 9.9 Aug
-26.5
-7.2 5.5 Sep
-35.6
-11.0 3.0 Oct
-38.4
-13.9 7.8 Nov
-42.5
-12.9 16.2 Dec
-46.9
-11.1 22.8
5 Table 7. Water Surface Elevations in Watts Bar and Chickamauga Reservoirs Month Watts Bar Reservoir WSEL (feet msl)
Chickamauga Reservoir WSEL (feet msl)
Jan 736.00 677.00 Feb 736.00 677.00 Mar 736.00 677.00 Apr 739.80 681.50 May 740.75 682.50 Jun 740.75 682.50 Jul 740.75 682.50 Aug 740.75 682.50 Sep 740.75 682.50 Oct 740.75 681.00 Nov 740.75 679.00 Dec 736.00 677.00
6 Table 8. Operating Assumptions for Unit 1 and Unit 2 for Normal Winter and Summer Conditions Month Avg Hourly River Flow (cfs)
Avg Hourly River Temp
(°F)
Avg Hourly Drybulb Temp
(°F)
Avg Hourly Wetbulb Temp
(°F)
Unit 1 Power
(% OLP)
Unit 2 Power
(% OLP)
No. Unit 1 CCW Pumps No. Unit 2 CCW Pumps Tower 1 Capability
(%)
Tower 2 Capability
(%)
No. ERCW Pumps No. RCW Pumps Watts Bar Reservoir WSEL (feet msl)
Chickamauga Reservoir WSEL (feet msl)
Pond WSEL (feet msl)
SCCW Operation Jan 36132 44.2 39.3 35.4 101.4 100 4
4 105%
105%
2 6
736.00 677.00 698.00 Summer Feb 40256 43.9 43.6 38.7 101.4 100 4
4 105%
105%
2 6
736.00 677.00 698.00 Summer Mar 34047 49.1 51.9 45.6 101.4 100 4
4 105%
105%
2 6
736.00 677.00 698.00 Summer Apr 19978 56.5 60.4 53.0 101.4 100 4
4 105%
105%
2 6
739.80 681.50 698.00 Summer May 16982 64.1 68.1 61.4 101.4 100 4
4 105%
105%
2 6
740.75 682.50 698.00 Summer Jun 20909 71.6 75.6 68.5 101.4 100 4
4 105%
105%
2 6
740.75 682.50 698.00 Summer Jul 18723 76.6 78.9 71.8 101.4 100 4
4 105%
105%
2 6
740.75 682.50 698.00 Summer Aug 22584 78.3 78.2 71.1 101.4 100 4
4 105%
105%
2 6
740.75 682.50 698.00 Summer Sep 21687 76.4 71.6 65.4 101.4 100 4
4 105%
105%
2 6
740.75 682.50 698.00 Summer Oct 20789 68.6 60.1 54.6 101.4 100 4
4 105%
105%
2 6
740.75 681.00 698.00 Summer Nov 29240 58.6 50.4 45.7 101.4 100 4
4 105%
105%
2 6
740.75 679.00 698.00 Summer Dec 32374 49.4 42.3 38.3 101.4 100 4
4 105%
105%
2 6
736.00 677.00 698.00 Summer Table 9. Simulation Results for Operation of Unit 1 and Unit 2 for Normal Winter and Summer Conditions - Hourly Avg Heat Balance Month Waste Heat Created Waste Heat Dissipation in Atmosphere via Cooling Towers Waste Heat Dissipation in River via Diffusers/Outfall 101 Waste Heat to (+) or from (-)
Storage in Yard Holding Pond Waste Heat Dissipation in River via Yard Holding Pond Overflow/Outfall 102 Waste Heat Dissipation in River via SCCW System/Outfall 113 Unit 1 (106 BTU)
Unit 2 (106 BTU)
Total (106 BTU)
Unit 1 (106 BTU)
Unit 2 (106 BTU)
Total (106 BTU)
(106 BTU)
(106 BTU)
(106 BTU)
(106 BTU)
Jan 7682 7572 15254 7177 6723 13900 220 NA NA 1134 Feb 7689 7576 15265 7131 6614 13745 249 NA NA 1271 Mar 7710 7591 15301 7177 6680 13857 235 NA NA 1209 Apr 7742 7618 15360 7167 6737 13904 248 NA NA 1208 May 7796 7662 15458 7285 6894 14179 219 NA NA 1060 Jun 7862 7720 15582 7460 7091 14551 178 NA NA 853 Jul 7904 7762 15666 7598 7283 14881 136 NA NA 649 Aug 7903 7765 15668 7669 7398 15067 104 NA NA 497 Sep 7830 7718 15548 7656 7457 15113 75 NA NA 360 Oct 7744 7647 15391 7532 7338 14870 90 NA NA 431 Nov 7703 7601 15304 7337 7050 14387 159 NA NA 758 Dec 7683 7579 15262 7268 6896 14164 177 NA NA 921
7 Table 10. Simulation Results for Operation of Unit 1 and Unit 2 for Normal Winter and Summer Conditions - Flow Balance and Temperature Month Inflow from Intake Pumping Station Inflow from SCCW System Cooling Tower Evaporation Discharge from Diffusers/Outfall 101 Discharge to (+) or from (-)
Storage in Yard Holding Pond Discharge from Yard Holding Pond Overflow/Outfall 102 Discharge from SCCW System/Outfall 113 Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone (cfs)
(°F)
(cfs)
(°F)
(cfs)
(cfs)
(°F)
(°F)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(°F)
(°F)
Jan 174 46.0 205 44.2 59 54 63.3 46.1 0.1 NA NA NA NA 266 63.3 46.0 1.8 Feb 174 45.5 205 43.9 58 54 65.2 45.6 0.1 NA NA NA NA 267 65.2 45.5 1.6 Mar 174 50.9 205 49.1 59 54 69.4 51.0 0.1 NA NA NA NA 266 69.4 50.9 1.8 Apr 174 58.7 262 56.5 59 67 74.0 58.9 0.2 NA NA NA NA 310 74.0 58.7 2.2 May 174 66.1 274 64.1 60 70 79.0 66.3 0.2 NA NA NA NA 318 79.0 66.1 2.0 Jun 174 73.0 274 71.6 62 69 83.6 73.1 0.1 NA NA NA NA 317 83.6 73.0 1.4 Jul 174 77.6 275 76.6 63 69 85.8 77.8 0.1 NA NA NA NA 317 85.8 77.6 1.0 Aug 174 79.1 275 78.3 64 69 85.3 79.2 0.1 NA NA NA NA 316 85.3 79.1 0.8 Sep 174 77.0 275 76.4 64 69 81.5 77.0 0.1 NA NA NA NA 316 81.5 77.0 0.6 Oct 174 69.4 275 68.6 63 69 74.7 69.5 0.1 NA NA NA NA 317 74.7 69.4 0.8 Nov 174 59.8 274 58.6 61 69 69.3 59.9 0.1 NA NA NA NA 318 69.3 59.8 1.2 Dec 174 51.1 205 49.4 60 54 64.9 51.1 0.1 NA NA NA NA 265 64.9 51.1 1.7
8 Table 11. Cases Yielding Greatest Impact on Receiving Waterbody Case Condition Producing 1
Maximum Instream Temperature Rise at Outfall 101 2
Maximum Instream Temperature Rise at Outfall 113 3
Maximum Combined Instream Temperature Rise at Outfall 101 and Outfall 113 4
Maximum Instream Temperature at Outfall 101 5
Maximum Instream Temperature at Outfall 113
9 Table 12. Operating Assumptions for Unit 1 and Unit 2 for Greatest Impact on Receiving Waterbody Case Hourly River Flow (cfs)
Hourly River Temp
(°F)
Hourly Drybulb Temp
(°F)
Hourly Wetbulb Temp
(°F)
Unit 1 Power
(% OLP)
Unit 2 Power
(% OLP)
No. Unit 1 CCW Pumps No. Unit 2 CCW Pumps Tower 1 Capability
(%)
Tower 2 Capability
(%)
No. ERCW Pumps No. RCW Pumps Watts Bar Reservoir WSEL (feet msl)
Pond WSEL (feet msl)
SCCW Operation 1
3500 42.4 56.5 54.5 101.4 100 4
4 105%
105%
4 6
736.00 707.00 Summer 2
0 42.4 56.5 54.5 101.4 100 4
4 105%
105%
4 6
736.00 707.00 Winter 3
3500 42.4 56.5 54.5 101.4 100 4
4 105%
105%
4 6
736.00 707.00 Summer 4
3500 84.6 93.9 83.0 101.4 100 4
4 105%
105%
4 6
740.75 707.00 Summer 5
0 84.6 93.9 83.0 101.4 100 4
4 105%
105%
4 6
740.75 707.00 Summer Table 13. Simulation Results for Operation of Unit 1 and Unit 2 for Greatest Impact on Receiving Water Body - Hourly Avg Heat Balance Case Waste Heat Created Waste Heat Dissipation in Atmosphere via Cooling Towers Waste Heat Dissipation in River via Diffusers/Outfall 101 Waste Heat to (+) or from (-)
Storage in Yard Holding Pond Waste Heat Dissipation in River via Yard Holding Pond Overflow/Outfall 102 Waste Heat Dissipation in River via SCCW System/Outfall 113 Unit 1 (BTU)
Unit 2 (BTU)
Total (BTU)
Unit 1 (BTU)
Unit 2 (BTU)
Total (BTU)
(BTU)
(BTU)
(BTU)
(BTU) 1 7730 7600 15330 6880 6261 13141 999
-651 0
1841 2
7736 7609 15345 7052 6502 13554 0
258 0
1533 3
7718 7600 15318 6869 6260 13129 999
-651 0
1841 4
8081 7910 15991 7762 7428 15190 328
-192 0
665 5
8083 7912 15995 7740 7462 15202 0
130 0
663
10 Table 14. Simulation Results for Operation of Unit 1 and Unit 2 for Greatest Impact on Receiving Water Body - Flow Balance and Temperature Case Inflow from Intake Pumping Station Inflow from SCCW System Cooling Tower Evaporation Discharge from Diffusers/Outfall 101 Discharge to (+) or from (-)
Storage in Yard Holding Pond Discharge from Yard Holding Pond Overflow/Outfall 102 Discharge from SCCW System/Outfall 113 Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone (cfs)
(°F)
(cfs)
(°F)
(cfs)
(cfs)
(°F)
(°F)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(°F)
(°F) 1 174 47.3 205 42.4 57 156 73.7 48.8 1.6
-102 73.7 0
NA 268 73.7 47.3 4.9 2
174 47.9 211 42.4 59 0
73.7 47.8 0.0 41 73.7 0
NA 285 66.8 47.8 5.4 3
174 47.3 205 42.4 57 156 73.7 48.8 1.6
-102 73.7 0
NA 268 73.7 47.3 4.9 4
174 86.0 275 84.6 65 165 94.0 86.4 0.4
-96 94.0 0
NA 315 94.0 86.0 1.4 5
174 86.9 275 84.6 65 0
94.0 86.9 0.0 69 94.0 0
NA 315 94.0 86.9 2.3
11 Table 15. Operating Assumptions for Unit 1 for Normal Winter and Summer Conditions Month Avg Hourly River Flow (cfs)
Avg Hourly River Temp
(°F)
Avg Hourly Drybulb Temp
(°F)
Avg Hourly Wetbulb Temp
(°F)
Unit 1 Power
(% OLP)
Unit 2 Power
(% OLP)
No. Unit 1 CCW Pumps No. Unit 2 CCW Pumps Tower 1 Capability
(%)
Tower 2 Capability
(%)
No. ERCW Pumps No. RCW Pumps Watts Bar Reservoir WSEL (feet msl)
Chickamauga Reservoir WSEL (feet msl)
Pond WSEL (feet msl)
SCCW Operation Jan 36132 44.2 39.3 35.4 101.4 0
4 0
105%
NA 2
4 736.00 677.00 698.00 Summer Feb 40256 43.9 43.6 38.7 101.4 0
4 0
105%
NA 2
4 736.00 677.00 698.00 Summer Mar 34047 49.1 51.9 45.6 101.4 0
4 0
105%
NA 2
4 736.00 677.00 698.00 Summer Apr 19978 56.5 60.4 53.0 101.4 0
4 0
105%
NA 2
4 739.80 681.50 698.00 Summer May 16982 64.1 68.1 61.4 101.4 0
4 0
105%
NA 2
4 740.75 682.50 698.00 Summer Jun 20909 71.6 75.6 68.5 101.4 0
4 0
105%
NA 2
4 740.75 682.50 698.00 Summer Jul 18723 76.6 78.9 71.8 101.4 0
4 0
105%
NA 2
4 740.75 682.50 698.00 Summer Aug 22584 78.3 78.2 71.1 101.4 0
4 0
105%
NA 2
4 740.75 682.50 698.00 Summer Sep 21687 76.4 71.6 65.4 101.4 0
4 0
105%
NA 2
4 740.75 682.50 698.00 Summer Oct 20789 68.6 60.1 54.6 101.4 0
4 0
105%
NA 2
4 740.75 681.00 698.00 Summer Nov 29240 58.6 50.4 45.7 101.4 0
4 0
105%
NA 2
4 740.75 679.00 698.00 Summer Dec 32374 49.4 42.3 38.3 101.4 0
4 0
105%
NA 2
4 736.00 677.00 698.00 Summer Table 16. Simulation Results for Operation of Unit 1 for Normal Winter and Summer Conditions - Hourly Avg Heat Balance Month Waste Heat Created Waste Heat Dissipation in Atmosphere via Cooling Towers Waste Heat Dissipation in River via Diffusers/Outfall 101 Waste Heat to (+) or from (-)
Storage in Yard Holding Pond Waste Heat Dissipation in River via Yard Holding Pond Overflow/Outfall 102 Waste Heat Dissipation in River via SCCW System/Outfall 113 Unit 1 (106 BTU)
Unit 2 (106 BTU)
Total (106 BTU)
Unit 1 (106 BTU)
Unit 2 (106 BTU)
Total (106 BTU)
(106 BTU)
(106 BTU)
(106 BTU)
(106 BTU)
Jan 7733 0
7733 6584 0
6584 179 0
0 970 Feb 7735 0
7735 6445 0
6445 202 0
0 1088 Mar 7754 0
7754 6524 0
6524 191 0
0 1039 Apr 7779 0
7779 6507 0
6507 212 0
0 1060 May 7827 0
7827 6700 0
6700 190 0
0 937 Jun 7891 0
7891 6982 0
6982 153 0
0 756 Jul 7938 0
7938 7243 0
7243 117 0
0 578 Aug 7944 0
7944 7414 0
7414 89 0
0 441 Sep 7890 0
7890 7508 0
7508 64 0
0 318 Oct 7794 0
7794 7338 0
7338 77 0
0 379 Nov 7747 0
7747 6951 0
6951 134 0
0 662 Dec 7735 0
7735 6802 0
6802 144 0
0 789
12 Table 17. Simulation Results for Operation of Unit 1 for Normal Winter and Summer Conditions - Flow Balance and Temperature Month Inflow from Intake Pumping Station Inflow from SCCW System Cooling Tower Evaporation Discharge from Diffusers/Outfall 101 Discharge to (+) or from (-)
Storage in Yard Holding Pond Discharge from Yard Holding Pond Overflow/Outfall 102 Discharge from SCCW System/Outfall 113 Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone (cfs)
(°F)
(cfs)
(°F)
(cfs)
(cfs)
(°F)
(°F)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(°F)
(°F)
Jan 88 45.9 215 44.2 28 44 62.9 46.0 0.1 NA NA NA NA 231 62.9 45.9 1.7 Feb 88 45.5 215 43.9 27 44 64.8 45.6 0.1 NA NA NA NA 232 64.8 45.5 1.6 Mar 88 50.9 215 49.1 28 44 69.1 51.0 0.1 NA NA NA NA 231 69.1 50.9 1.8 Apr 88 58.6 270 56.5 28 56 73.7 58.8 0.2 NA NA NA NA 274 73.7 58.6 2.1 May 88 66.0 282 64.1 28 59 78.8 66.2 0.2 NA NA NA NA 283 78.8 66.0 1.9 Jun 88 72.9 282 71.6 30 59 83.5 73.0 0.1 NA NA NA NA 281 83.5 72.9 1.3 Jul 88 77.6 282 76.6 31 58 85.7 77.7 0.1 NA NA NA NA 281 85.7 77.6 1.0 Aug 88 79.0 282 78.3 31 58 85.3 79.1 0.1 NA NA NA NA 281 85.3 79.0 0.7 Sep 88 77.0 282 76.4 32 58 81.5 77.0 0.0 NA NA NA NA 280 81.5 77.0 0.6 Oct 88 69.4 282 68.6 31 58 74.6 69.4 0.1 NA NA NA NA 281 74.6 69.4 0.8 Nov 88 59.7 282 58.6 29 59 69.1 59.8 0.1 NA NA NA NA 282 69.1 59.7 1.1 Dec 88 51.0 215 49.4 29 44 64.6 51.1 0.1 NA NA NA NA 230 64.6 51.0 1.6
13 Table 18. Operating Assumptions for Unit 1 for Greatest Impact on Receiving Waterbody Case Hourly River Flow (cfs)
Hourly River Temp
(°F)
Hourly Drybulb Temp
(°F)
Hourly Wetbulb Temp
(°F)
Unit 1 Power
(% OLP)
Unit 2 Power
(% OLP)
No. Unit 1 CCW Pumps No. Unit 2 CCW Pumps Tower 1 Capability
(%)
Tower 2 Capability
(%)
No. ERCW Pumps No. RCW Pumps Watts Bar Reservoir WSEL (feet msl)
Pond WSEL (feet msl)
SCCW Operation 1
3500 42.4 56.5 54.5 101.4 0
4 0
105%
NA 2
4 736.00 707.00 Summer 2
0 42.4 56.5 54.5 101.4 0
4 0
105%
NA 2
4 736.00 707.00 Winter 3
3500 42.4 56.5 54.5 101.4 0
4 0
105%
NA 2
4 740.75 707.00 Summer 4
3500 84.6 93.9 83.0 101.4 0
4 0
105%
NA 2
4 740.75 707.00 Summer 5
0 84.6 93.9 83.0 101.4 0
4 0
105%
NA 2
4 740.75 707.00 Summer Table 19. Simulation Results for Operation of Unit 1 for Greatest Impact on Receiving Water Body - Hourly Avg Heat Balance Case Waste Heat Created Waste Heat Dissipation in Atmosphere via Cooling Towers Waste Heat Dissipation in River via Diffusers/Outfall 101 Waste Heat to (+) or from (-)
Storage in Yard Holding Pond Waste Heat Dissipation in River via Yard Holding Pond Overflow/Outfall 102 Waste Heat Dissipation in River via SCCW System/Outfall 113 Unit 1 (BTU)
Unit 2 (BTU)
Total (BTU)
Unit 1 (BTU)
Unit 2 (BTU)
Total (BTU)
(BTU)
(BTU)
(BTU)
(BTU) 1 7759 0
7759 5839 0
5839 990
-695 0
1625 2
7771 0
7771 6271 0
6271 0
202 0
1298 3
7759 0
7759 5839 0
5839 990
-695 0
1625 4
8100 0
8100 7383 0
7383 324
-204 0
597 5
8101 0
8101 7387 0
7387 0
117 0
597
14 Table 20. Simulation Results for Operation of Unit 1 for Greatest Impact on Receiving Water Body - Flow Balance and Temperature Case Inflow from Intake Pumping Station Inflow from SCCW System Cooling Tower Evaporation Discharge from Diffusers/Outfall 101 Discharge to (+) or from (-)
Storage in Yard Holding Pond Discharge from Yard Holding Pond Overflow/Outfall 102 Discharge from SCCW System/Outfall 113 Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone Flow Temp Flow Temp Flow Temp End of Pipe Temp End of Mixing Zone Temp Rise End of Mixing Zone (cfs)
(°F)
(cfs)
(°F)
(cfs)
(cfs)
(°F)
(°F)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(cfs)
(°F)
(°F)
(°F) 1 88 47.2 215 42.4 25 149 73.2 48.7 1.5
-104 73.2 0
NA 233 73.2 47.2 4.8 2
88 47.3 221 42.4 26 0
73.4 47.3 0.0 31 73.4 0
NA 252 65.2 47.3 4.9 3
88 47.2 215 42.4 25 149 73.2 48.7 1.5
-104 73.2 0
NA 233 73.2 47.2 4.8 4
88 85.9 282 84.6 31 157 94.1 86.3 0.4
-99 94.1 0
NA 281 94.1 85.9 1.3 5
88 86.7 282 84.6 31 0
94.1 86.7 0.0 58 94.1 0
NA 281 94.1 86.7 2.1
15 Table 21. Comparison of Plant Inflows and Outflows Based on Average of Monthly Results Plant Operation Approx Plant Inflow Approx Plant Outflow IPS SCCW Total Cooling Tower Evaporation Diffuser/Outfall 101 SCCW/Outfall 113 (cfs)
(cfs)
(cfs)
(cfs)
(% Total)
(cfs)
(% Total)
(cfs)
(% total)
Unit 1 88 258 346 29 8%
53 15%
264 76%
Unit 1 & Unit 2 174 250 424 61 14%
64 15%
299 71%