ML18153D231

Forwards Addendum to Joint Permit Application for Maint Dredging Project at Facilities & Addl Matl Re Project Provided to Army Corps of Engineers.State of VA Marine Resources Commission Approved Issuance of Permit

ML18153D231
Person / Time
Site:	Surry
Issue date:	01/26/1993
From:	Marshall B VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Gardner L VIRGINIA, COMMONWEALTH OF
References
NUDOCS 9302020430
Download: ML18153D231 (6)

Text

Innsbrook Technical Center 5000 Dominion Boulemrd Glen Allen, Virginia 23060 January 26, 1993

• VIRGINIAPOWER Mr. Lance M. Gardner Environmental Specialist, Sr.

State water Control Board P. o. Box 11143 Richmond, VA 23230-1143 RE: PERMIT APPLICATION #92-1347 SURRY POWER STATION - PROPOSED DREDGING

Dear Mr. Gardner:

Enclosed is an Addendum to the Joint Permit Application for the maintenance dredging project at Surry Power Station. Also enclosed, for your information, are copies of additional material regarding this project which were provided to the Army Corps of Engineers.

We have been notified that the Virginia Marine Resources Commission has approved issuance of their permit for this project. No decision has been received from the Army Corps of Engineers on which type of permit action they will apply to this project.

Should you need additional information or have any questions, please contact Daniel James at (804) 273-2996.

Sincerely, B. M. Marshall, P.E.

Manager Water Quality Attachments (2) cc: (w/attachment 1)

U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Re: Surry Units 1 & 2 Docket Nos. 50-280/50-281 License Nos. DPR-32/DPR-37 020039 -- --- ~ -~---- -

9302020430 930126 PDR ADOCK 05000280 P PDR

l Mr. Lance M. Gardner January 26, 1993 Page 2 cc: U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Re: Surry Units 1 & 2 Docket Nos. 50-280/50-281 License Nos. DPR-32/DPR-37 Mr. M. w. Branch NRC Senior Resident Inspector Surry Power Station

e JOINT PERMIT APPLICATION #92-1347 SURRY POWER STATION - MAINTENANCE DREDGING VIRGINIA WATER PROTECTION PERMIT ADDENDUM TO THE JOINT PERMIT APPLICATION Part I

1. Local Government Approval Form- Form has been sent to Surry County and will be forwarded upon receipt.

2. Joint Permit Application- Copy attached.

3. Location map- Attached.

a. Latitude/Longitude- 37° 09' 25"/76° 40' 15" at the shoreward end of the channel.

b. Hydrologic Unit Code- 02080205

c. Stream Classification- I

d. Drainage area of upstream state waters- Greater than 6,758 mi 2 (USGS datum at Richmond).

e. Watershed- James River

4. Functional values and beneficial uses- Other than the unavoidable, temporary, lo_calized increases in turbidity normally associated with dredging operations, no surface waters will be affected or functional values impacted.

The only beneficial use impacts will be the maintenance of the existing uses of the James River as a source of cooling water for the Surry Nuclear Power Station and as a route of transportation to the station.

5. Description of project- As described in the Joint Permit Application, the proposed project consists of maintenance dredging of the previously permitted intake channel to its original dimensions. No changes in alignment, width, or depth from those in the prior permits are proposed.

Disposal of dredged materials will be into the upland, bermed, clay lined disposal pond used for previous dredging operations. After solids settling, water from the disposal pond discharges into the station's intake canal. (Reference note: The intake "channel" is in the James River, the intake "canal" is the upland facility through which water flows from the intake pumps to the station.) The pond's discharge will be controlled with stoplogs and/or valving to provide adequate settling to prevent excessive solids carryover.

6. Toxic contaminants- All dredged material will be disposed of in the previously approved, upland disposal area with no significant return of any toxic contaminants which may be present. The area to be dredged receives no contaminants from the operations at Surry Power Station, other than as authorized by th_e VPDES permit. Any contaminants present or involved in the proposed project would be those which may exist in the James River from other sources.

Although kepone was once of concern in this area, the proposed maintenance dredging project does not involve disturbance of any old sediments. Only sediments deposited in the channel since previous dredging projects will be handled. Therefore, the level of any kepone contamination involved would be that which presently exists in this area of the James River and equivalent to, or less than, the levels detected by analyses conducted in reference to previous dredging projects of this same channel. Since the previous analyses did not indicate a need for extraordinary precautionary measures to control kepone contamination, other than those already planned for this project, the imposition of requirements for additional kepone analyses is not warranted.

7. Beneficial use impacts- As described in #4 above.

8. Wetlands impacts- No wetlands areas are present in the area of the proposed project nor are any expected to be impacted.

9. *Mitigation plans- All dredging operations will be conducted by an experienced contractor, with Virginia Power oversight, in accordance with established practices to control discharges of dredged materials to the minimal, unavoidable amounts associated with such

_operations. If necessary, the appropriate control measures, such as silt curtains, will be employed to reduce the resuspension of silt in adjacent surface waters. As mentioned in #5 above, discharge of dredged materials from the disposal pond will be controlled at the pond's discharge .structure. If the disposal pond is filled to levels which do not provide adequate settling time and the solids concentration in the pond's discharge approaches unacceptable levels, the rate of dredging and pumping of spoils into the pond will be reduced as necessary.

Part II- Not Applicable.

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