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Thermal Mapping Rept 85-1 for 850717 for Thermal Monitoring Requirements
	ML20133M396
Person / Time
Site:	Peach Bottom
Issue date:	07/17/1985
From:	; PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	;
Shared Package
ML20133M382	List: ML20133M379; ML20133M396;
References
	NUDOCS 8508130115
	Download: ML20133M396 (5)
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PEACH BOTTOM ATOMIC POWER STATION THERMAL MAPPING REPORT NO. 85-1 FOR JULY 17, 1985 FOR THERMAL MONITORING REQUIREMENTS LNITS NO. 2 AND 3 PHILADELPHIA ELECTRIC COMPAF#

l 0500130115 050000 PDH ADOCK 00000277 PDR R

L

SLM WRY For several days during the week of July 15, 1985 there were less trian 3 cooling tcwe. s in operation and the river ficw was less than 15,000 cfs, therefore, thermal plune mapping was performed.

The following table IIsts condition on July, 20, 1985 River Flcw (cfs) : 11,500 g Heat Discharge (BTU /hr) : 2.05 x 10

of C.W. Purps Operating : 4

% of Coo 1Ing Towers : 0 Terp. Discharge g}) F(3) : 86.0 Tecp. State Line F : 84.9 Teco. Holtwood Dam F : 82.2 T Plant = [(STA23-STAl-TCL)] 1.8

= [(29.4-27.8-2.4)] 1.8

= OCF (1) Bulk terperature of water discharged to Conowingo Pond from Discharge Canal.

(2) Pernsylvania/ Maryland State Line.

RJZ/rb/02018503 l

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TABLE BOAT SURVEY INFORf% TION SURVEY DATE ,

7/17/85 Tite:

Survey Start (EST)

0847 i

State Line (EST) 1106 Survey Finish (EST) 1302 HYDRAULIC DATA:

Pond Elevation Start (Ft.) 106.52 Pond Elevation Finish (Ft.) 107.74 Natural Flow (24 hr. ave., CFS) 11,200 Conowingo inflow (24 hr. ave., CFS) 11,500 Conowingo Dam Draft (24 hr. ave., CFS) 16,250 PBAPS Power Output:

Unit 2: Thennal (W) 2116 Electrical (W ) 14,426.4 Thermal (W ) 0 Unit 3:

Electrical (MW) -433.6 METEOROLOGICAL DATA:

Time (EST) 1110 Air Tenperature (UF) 75 Dew Point (0F) 52a Precipitation (24 hr. total, in) NONE Wind Speed (ftph) 6 NotJE Cloud Over Location: 1A Wind Direction 350

. J WATER TEMPERATURE (SURVEY)

PBAPS Discharge C, ( F) 28.18 (82.72)

OC, ( F) 27.16 (80.88)

Intake 1.02 ( 1.84)

T OC, ( F)

C, ( F) 28.6 (83.48)

Pond Surface Max.

C, ( F) 26.3 (79.34)

Min.

OC, ( F) 28.4 (83.12)

Pond Bottom Max.

C, ( F) 25 4 (77.72)

Min.

5 f4o. of C.W. Pums Operating 3

No. of Cooling Towers Operating RJS/dg/07318506 l'

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ML20133M396

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