ML20107F313

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Thermal Mapping Repts 84-3,84-4 & 84-5 Re Isotherm Surveys for 841001,06 & 13,per App B to ETS
ML20107F313
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 10/13/1984
From: Willsey W
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To: Ippolito T
Office of Nuclear Reactor Regulation
References
NUDOCS 8411050419
Download: ML20107F313 (1)


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PEACH BOTTOM ATOMIC POWER STATION

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THERMAL MAPPING REPORT NO. 84-3

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FOR OCTOBER 1, 1984 FOR h

l THERMAL MONITORING REQUIREENTS UNITS NO. 2 # O 3 PHILADELPHIA ELECTRIC COMPANY 4

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On October 1,1984, one cooling tower was in operation and the river flow was less than 15,000 cfs, therefore, thermal plune mapping was performed.

The following table IIst conditions on October 1,1984:

River Flow (cfs) 7,200 g

Heat Discharge (BTU /hr) 6.11 x 10

  1. of C.W. Punps Operating :

3

  1. of Cooling Towers 1

Temp.DischargeCanaf2}F(g):

82.2 Terrp. State Line F 69.4 Terrp. Hoitwood Dam F 67.3 AT Plant = [(STA23-STAl-TCL)] 1.8

= [(20.8 - 19.0 - 1.8)] 1.8

. JF (1) Bulk temperature of eter discharged to Conowingo Pond frrm Discharge Canal.

(2) Pennsylvania / Maryland State Line.

MA/dg/10238484-3 n--

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i TABLE BOAT SURVEY INFORMATION i

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SURVEY DATE 10/01/84 TIE:-

Survey Start (EST) 0834 9

State Line (EST) 1013 Survey Finish (EST) 1240 4

HYDRAULIC DATA:

'h Pond Elevation Start (Ft.)

107.50 Pond Elevation Finish (Ft.)

107.66 Natural Flow (24 hr. ave., CFS) 7,200 s

Conowingo Inflow (24 hr. ave., CFS) 8,175 Conowingo Dam Draft (24 hr. aves CFS) 8,450 PBAPS Power Outpit:

~

Unit 2:

Thermal (MW) 0 i

c Electrical (MW)

-4.6 Unit 3:

Thermal ( N )

3144 Electrical (N) 1004 s

i E TEOROLOGICAL DATA:

Time (EST) 1013 I

Air Termerature (oF) 51 Dew Point ( F) 45 Precipitation (24 hr. total, In)

.33 t

j Wind Speed Omh) 9 Cloud Over Cloudy

{

Location:

Weather Station #1 Wind Direction 10 i

e' WATER TEN ERATURE (SURVEY)

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AT C, ( F) 9.1 (16.3)

Pond Surface Max.

OC, CoF) 27.9 (82.2) k Min.

  • C, ( F) 18.3 (64.9) l Aond Bottom Max.
  • C, ( F) 27.8 (82.0)

Min.

C, ( F) 17.9 (64.2) i i

No. of C.W. Pt.sms Operating 3

No. of Cooling Towers Operating 1

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PEACH BOTTOM ATOMIC POWER STATION THERMAL MAPPING REPORT NO. 84-4 FOR OCTOBER 6, 1984 5

FOR THERMAL M0t1ITORING REQUIREMENTS 4

i UNITS NO. 2 AND 3 PHILADELPHIA ELECTRIC COMPANY i

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StM4ARY on October 6, 1984, one cooling tower was in operation and the river flow was less than 15,000 cfs,-

1 therefore, thermal plure inapping was performed.

The following table list conditions on October 6, 1984:

River Flow (cfs) 6,500 g

Heat Discharge (BTU /hr) 4.72 x 10

  1. of C.W. Punps Operating :

3 9 of Cooling Towers 1

Term. Discharge Canaf 23F(1)::

77.8 Ta m. State Line OF 66.7 Temp. Holtwood Dam of 62.4 AT Plant = [(STA23-STAl-TCL)] 1.8

= [C19.3 - 17.5 - 0.7)] 1.8

= 1.98 F (1) Bulk temperature of water discharged to Conowingo Pond from Discharge Canal.

(2) Pennsylvania /Ma yland State Line.

MA/dg/10238484-4

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+

TABLE BOAT SURVEY INFORMATION

. SURVEY DATE 10/06/84 TIN :,

Survey Start (EST)-

0545 State Line (EST) 0710 Survey Finish (EST) 0840 HYDRAULIC DATA:

Pond Elevation Start (Ft.)

108.05 Pond Elevation Finish (Ft.)

108.03 Natural Flow (24 hr. ave., CFS) 6,500 Conowingo Inflow (24 hr. ave., CFS) 6,475 Conowingo Dam Draft (24 hr. ave., CFS) 2,250 PBAPS Power Output:

Unit 2:

Thennal (MW)

O Electrical (MW)

-4.7 Unit 3:

Thennal (MW) 3167 Electrical (MW) 1032 ETEOR0 LOGICAL DATA:

Time (EST) 054) l Air Terrperature ( F) 47 i

Dew Point ( F) 29 Precipitation (24 hr. total, in) 0 Wind Speed (mph) 7 Cloud Over Clear Location:

Weather Station #1 Wind Direction 360 i

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'hlATER TEMPERATURE (SURVEY)

PBAPS Discharge oC, (oF) 25.5 (77.8)

Intake

. C, CoF) 18.5 (65.2)

, AT C, ( F) 7.0 (12.6)

Pond Surface Max.

C, ( F) 27.0 (80.6) 4 Min.

C, ( F) 17.2 (63.0)

Pond Bottom Max.

C, ( F) 24.3 (75.7)

Min.

C, (oF) 16.7 (62.1)

No. of C.W. Pumps Operating 3

No. of Cooling Towers Operating 1

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y-I

SUMMARY

On October 13, 1984, two cooling towers were in operation and the river flow was less'than 15,000 cfs,-

therefore, thermal plune mapping was performed.

The following table list conditions on October 13, 1984:

River Flow (cfs) 5,300 g

Heat Discharge (BTU /hr) 5.32 x 10

  1. of C.W. Purps Operating :

3

  1. of Cooling Towers 2

Tenp. Discharge Canaf 23F(g):

77.3 Teno. State Line F 66.4 Temp. Holtwood Dam F 62.2 T Plant = [(STA23-STAI-TCL)] 1.8

= [(19.1 - 17.0 - 0.9)] 1.8

= 2.16 F (1) Bulk tenperature of water discharged to Conowingo Pond from Discharge Canal.

(2) Pennsylvania / Maryland State Line.

MA/dg/10238484-5 I

I j.

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-TABLE-to.-

BOAT SURVEY INFORMATION-SURVEY DATE 10/13/84

. TIN:

Survey Start (EST) 0715 i

State Line (EST) 0827 Survey Finish (EST) 1030 HYDRAULIC DATA:

I Pond Elevation Start (Ft.)

108.53 Pond Elevation Finish (Ft.)

108.53 Natural Flow (24 hr. ave., CFS) 5,300 Conowingo Inflow (24 hr. ave., CFS) 4,525-Conowingo Dam Draft (24 hr. ave., CFS) 2,225 PBAPS Power Output:

1 Unit 2:

Thermal (N) 0 Electrical (N)

-7.3 i

Unit 3:

Thennal (N) 3147

{

Electrical (N) 1019.2 i

i ETEOROLOGICAL DATA:

Time (EST) 0827 i

j Air Termerature (oF) 59.5 f

Dew Point ( F) 46 Precipitation (24 hr. total, In) 0

{

Wind Speed (rmh) 9 Cloud Over Cloudy Location:

Weather Station #1A Wind Direction 352o 3

1

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W6TER TEPPERATURE (SURVEY)

PBAPS Discharge C, ( F) 25.2

.(77.3) i j-Intake C, (oF) 17.3 (63.1) i AT OC, ( F) 7.9 (14.2)

Fond Surface Max.

C, CoF) 25.2 (77.4)

Min.

C, ( F) 17.0 (62.6)

Pond Bottom Max.

C, ( F) 25.1 (77.2)

Min.

C, ( F) 16.9 (62.4)

No of C.W. Pungs Operating 3

No. of Cooling Towers Operating 2

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PHILADELPHIA ELECTRIC COMPANY 2301 MARKET STREET P.Ot. BOX 8699 PHILADELPHI A. PA.19101 12151841 4000 October 30, 1984 Mr. Thomas A. Ippolito Operation Reactors Branch 3 Division of Reactor Licensing U. S. Nuclear Regulatory Commission Washington, D.C.

20555

Dear Mr. Ippolito:

Enclosed are copies of Thermal Mapping Reports 84-3, 84-4, and 84-5 covering the Isotherm surveys for October 1, October 6, and October 13, 1984.

The information has been completed in compliance with the reporting requirements set forth in Appendix B to the Peach Bottom Operating License Environmental Technical Specification and Bases.

Yours truly

-//_A,r7.

  • i 09 /3cd W. B. Willsey Director Environmental Affairs WBW:htr Enclosure cc:

Dr. Thomas E. Murley Regional Administrator, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406

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