ML18230A998

Letter Informing of Visit to Proposed Shearon Harris on June 13 and 14, 1972 to Review Environmental Factors Related to the Construction and Operation of the Plant

ML18230A998
Person / Time
Site:	Harris
Issue date:	07/03/1972
From:	Muller D US Atomic Energy Commission (AEC)
To:	Jackie Jones Carolina Power & Light Co
References
Download: ML18230A998 (14)

Text

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ZNVIH,ON JUL 0 3 t972 Docket Hos. 50-40 60-401 50-402 and 50-403 Carolina Power 8 Light Company ATTN:

Hr. J. A. Jones, Senior

%lice Pres'.

Engineering and Operating Group 336 Fayetteville Street Raleigh, North Carolina 27602 Gentlemen:

A visit to the proposed Shearon Harris Nuclear Power Plant site was made on June 13, 'l4, 1972, by a team from the Directorate of Licensing and Battelle Hemorial Institute, Pacific Northwest Laboratories, to,review environmental factors related to the construction and operation of the plant.

As a result of this visit and our continuing review, additional information will be required to continue,our review.

Accord)ngly, please submit the information requested as identified in the enclosure to this letter.

Your reply should consist of three signed originals and 297 additional copies as a sequentially numbered supplement to your Environmental Report.

In order to maintain our licensing review schedule we will need a completely adequate response by July 21, 1972.

Please inform us within seven days after receipt of this letter to your confirmation of the schedule or the date you will be able to meet. If you cannot meet our specific date or if your reply is not fully responsive to our requests, it is highly likely that the overall schedule for completing the licensing review for this project will. have to be extended.

Since reassignment of the staff's efforts will require completion of the new assignment prior to returning to this project, the extent of extension will most likely be greater than the extent of delay in your response.

t Sincerely>

Original signed by Daniel R Muller Daniel R. Huller, Assistant Director for Environmental Projects Directorate of Licensing OFFICE >

SURNAME >

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Form hEC-518 (Rcv'. 9-53) hKCM 0240 V. S. COVERNMENT PRNTWO OPPlCES IOr0 0- 40S-NC

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Carolina Power 8 Light Company

&2M JUL 03 1972

Enclosure:

Request for Additional Information cc:

Mr. George F. Trowbridge, Esg.

Shaw, Pittman, Potts, Trowbridge and Madden 91O Seventeenth

Street, N.W.

Hashirgton, D. C.

2OOOG Mr. C. D. Barham, Jr., Esq.

Carolina Power I'E Light Company 336 Fayetteville Street Raleigh, North Carolina 27602 DISTRIBUTION:

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~VEST POR ADDITIONALINFORMATION ENVIROmmTAL REVmr SHHARON HARRIS UNITS 1, 2, 3 AND 4 Please provide detailed information on the following:

As PHYSICAL PLANT 1.

The elevation of the bottom of the intake aperture.

2.

The water velocity at the intake screens, maximum, rate of water intake, and intake screen mesh size.

3.

The tx'ansit time of water through the condenser cooling system.

4.

A description of the outfall structure; the water velocity at the point of discharge.

5.

The expected average annual flow through the culvert in the dike.

6.

Plans to make the color and texture of the plant aesthetically compatible with the natural environs; how the plant profile fits with the natural environs and the surrounding topogxaphy.

7.

A description of the load cycle expected for the Harris Plant over a 24-hour pexiod and the associated circulating watex temperature

, fluctuations.

8.

Hest-rate curves for various turbine back pressuxes in order to permit eva1uation of thermal effects and operational costs of the various alternatives.

9.

Detailed. diagrams or plans of the circulating watex system intake and discharge structures.

1.

The temperature differential between the water discharged from the Harris Reservoixs and the Cape Pear River and the expected seasonal, variation in temperature and volume of the reservior discharge.

2.

The increase in the silt load discharged to the Cape Pear Iver from White Oak and Buckhorn Creeks which willresult from the construction of Harris Units 1, 2, 3, and 4, if any.

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DATE0 Form AEC-318 (Rev. 9-53) hECM 0240 R V.S.GOVERNMENT PRINTINO OFFICE:

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1 The kinds, amounts and concentrations of chemicals to be dis-charged in the liquid wastes released to Che cooling reservoir.

4.

A description of the method of chlorination and concentrations of chlorine which will be intxoduced into the condenser cooling system to control fouling.

5.

6.

The rate of head dissipation of the condenser cooling discharge in the cooling reservoir and data, computations and diagrams of the thermal plume (isothexms at the vater surface) and tempera-tuxe stratification expected in the Harxis Reservoir during winter and summer climatic extremes.

Describe Che program that villbe used to monitox thexmal patterns in Che Harris Reservoir during plant operation.

70 Data relating to suspended sediment that is available for Buckhorn Creek and Che Cape Fear River in the vicinity of Buckhorn Dam.

8.

A detailed description of the program that will be used Co minimise silt load discharge to the Cape Pear River during construction.

The volume and residual chlorine concentration of the sanitary vaste treatment system and whether this discharge will be com-bined with or separate from the condenser cooling discharge.

10, The D.O. of Che bottom water (below the thermocline) in the reservoir and Che expected seasonal variation in the D.O.

C4 BCOLOGY OF SATB AND SURROUNDXHGS A description of the extent that vegetation will be removed from the land that, villbe inundated by the cooing reservoir.

20 Results of entrainment studies on Che Cape Fear River and Whiteoak-Buckhorn Creek waters, and laboratory studies made on aquatic organism passage through the condenser cooling system at the Brunswick Nuclear Power Plant (research directed by Dx'. B J.. Copeland).

30 Results of recent limnological studies conducted by Carolina Power and Light.

4, The. kinds of organisms that vill be sampled, at vhat frequency, and for what kinds of analyses, in the pre-and post-impoundement OFFICE >

SURKAME IF DA1K I2 Form hEC-318 (Rcv. 9-53) hECM 0240

% V S. OOVERNMENT RRINQNG OFF2CE2 1072 453 015

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f'Iiup'j, j(j( ~ 'i I h I 4 ~ 'P4 P ( r Ij c gtp 5 p<<)h<<IPhiuhPPF ) j Ig jPF Jt '"Pq NIP P f, I5 PEF ATHOSPHEBE Describe the basic data, assumptions, and methods used to determine, the evaporation from the pxoposed res ervoirs. The variation, by month, of the fo11owing reservoir energy budget components for the 10,000 and 400 acx'e reservoirs a) natura 1 evapor tat%on, b)'orced evaporation, c) natural heat conduction to the atmosphere, d) foread heat conduction to the atmosphere. Describe the assumptions,

data, and methods used to determine these components.

Quantitativoly describe the annual frequency of occurrence of fogging and icing resulting from the proposed reservoirs fox the region of influonce. What would be the extent of fogging and icing for a worse caso conditionf Xf operating ezpex'ience is available and cited, demonstrate its applicability to the Shearon Harris plant and site. Describe the basis data, assumptions, and methods used. Si 6. Qhat 1ocal features and activities might ba affected by reservoir fogging and icing, and in what wayItI ~ntitatively describe how the results of the analysis -conducted in 4. would change fox'he 7000 acre make-up watex'eservoix necessary for a closed-cycle cooling alternative, where only the heat of the blowdown is addai to the reservoir. 7. Describe more fully the physical and opexating chax'acteristics and environmental impact of the cooling tower system which would meet the requirements of the Shearon Harris plant, including! a) sage 3 1)

numbers, c) probable placement on propex ty d) evaporation, e)

blowdown, (1) quantity (2) temperature (3) chemical content OFFICE IF SURNAME>

DATE> Form hEC-518 IRcv. 9-53) hECM 0240 W U. S, GOVEIINMENTPRINTINO OFFICE".1972 453 015 a f 'Qf'> .I <<jl +PA>r <<r j I') (T, <<Po <<, Ag~ IA fq I II >I<I 'I )Ptr v+ Q<<-J P f r )I IPI Q ', 3;, f I I, f >Puff'" ">f,7 r<<>A<<$ p l)I>> p fg p>)[ tr gr)l \\ A'<<>rf <<rfJr>J I>. rF.w PI rr> ~) I' ~g >pl', I'Pfl I > JJQ 5 f JJ Q r-PI gg(rf 'Pfg I.I IA'P P P>pf p IJ I ~ ", > ", A'r, f>')PIP <<~;ro" <<r ~p.Qr.," Q.'p I f Ap ~ f %4 ft. g' <<.P .Y' P 'P) f I-.. ) C% I 'I >I%'Irll >'I

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