ML20069N317

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Thermal Mapping Rept 82-7 for 821027 for Thermal Monitoring Requirements
ML20069N317
Person / Time
Site: Peach Bottom  Constellation icon.png
Issue date: 11/24/1982
From:
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20069N314 List:
References
NUDOCS 8212020352
Download: ML20069N317 (4)
v • d • e


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  • s' j Peach Bottom Atomic Power Station l Thermal Mapping Report No. 82-7 For October 27, 1982 For Thermal Monitoring Requirements j

Units No. 2 and 3 Philadelphia Electric Company 1

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SUMMARY

On October 27, 1982 less than three cooling towers were in operation and river flows were less than 15,000 cfs. Therefore thermal plume mapping was performed.

! The following table lists conditions on October 27, 1982:

Date  : October 27, 1982 River Flow (cfs)  : 6,300 9

, Heat Discharged (BTU /hr) : 7.88 x 10

  1. of C.W. Pumps Operating: 6
  1. of Cooling Towers  : 2 Temp Discharge Canal *F(I) 66.0*

Temp State Line 'F(2)  : 59.4*

Temp Holtwood Dam *?  : 53.1*

l AT Plant = [(STA 23 - STA 1 - TCL)] 1.8

= [(15. 2*C 12. 7'c - 1.8*C) ] 1.8

= 1.26*F 1

! e (1) Bulk temperature of water discharged to Conowingo. Pond from discharge canal.

(2) Pennsylvania / Maryland State Line.

Note: Station 1 is located upstream of PBAPS and Station 23 is located at the state line.

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TABLE o DOA? SUR**EY INFORMATION av

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SURVEY DATE 10/27/82 TINE:

Survey Start (EST) 0810 State Line (EST) 0943 Survey Finish (EST) 1130 ETDRACLIC DATA:

Pond Elevation Start (Ft.) 108.11 Pond Elevation Finish (Ft.) 107.89 Natural Flow (24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> ave. CPS) 6.300 Conovinto inflev (24 hrs, ave. , CFS) 6.350 Conowinas Das Draft (24 hr. ave.. CFS) 8.675 PBAPS Power Dutputt Unit 2: Thermal OtW) 1789.2 Electrical 0(W) 512.3 Unit 3: The rmal (ww) 3199.9 Electrical OWW) 1029.4 METEOROLOGICAL DATA:

1 Time (EST) 0830 Air Temperature (*F) 46' Relative Humidity (t) 70 Precipitation (24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> total. in) O

, Wind Speed (eph) 4 Cloud Dver clear River Tower Location: Weather Station Wind Direction 345' WATER TDIPERATURE (SURVET)

PBAPS Discharge 'C. (*F) 18.9 (66.0)

Intake 'C. ("F) 13.06 (55.5) af 'C. (*F) 5.83 (10,5)

Pond Surface Max. 'C. (*F) 17.4 (63.3)

Min. "C, ("F) 12.7 (54.9)

Pond Botton Max. 'C, (*F) 16.8 (62.2)

Min. 'C. ('F) 12.7 (54.9) _

No. of C.W. Pumps Operating 6 he. of Cooling Towers Operating 2 R/l

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