ML20198J567
| ML20198J567 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 05/29/1986 |
| From: | Conway R GEORGIA POWER CO. |
| To: | Youngblood B Office of Nuclear Reactor Regulation |
| References | |
| GN-927, NUDOCS 8606030150 | |
| Download: ML20198J567 (4) | |
Text
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Georgia P.ow Company.
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1' Director' of Nuclear Reactor Regulation File: X7BC'35 i
' Attentions-Mr. B.-J. Youngblood Log:
GN-927
.PWR. Project Directorate #4-
- Division of PWR Licensing'A U. - S. - Nuclear Regulatory Commission Washington, D.C.
.20555 NRC DOCKET NUMBERS 50-424~AND 50-425 CONSTRUCTION PERMIT NUMBERS'CPPR-108 AND CPPR-109
.V0GTLE ELECTRIC GENERATING PIANT - UNITS 1 AND 2 ALTERNATE RADWASTE BUILDING
Dear Mr. Denton:
' Georgia Power. Company (GPC) is currently designing an alternate radwaste
- building for The-Vogtle Electric' Generating. Plant (VEGP). The following brief overview of the alternate radwaste building is provided for your information.
lA more detailed description of the building'will be included in an upcoming FSAR Amendment. This building will consist of a permanent structure to house contractor services for processing radwaste, during the life of the plant, when the primary radwaste. disposal system is not available.
7 u
,- integrated. volume reduction and solidification design supplied by Aerojet-L
' Energy Conversion Company :(AECC) and Stock Equipment Company (SECO). The AECC volume reduction system provides incinerator-dryer capability for both dry and wet'radwaste. The SECO solidification system provides for both cement and polymer encapsulation capability for dry and wet. radwaste.
1 at Due to the state-of-the-art technology of the design and equipment in the integrated solidification and volume reduction systems, numerous delays during functional and startup testing of systems with similar design and equipment have been _ experienced.at two recently licensed nuclear plants. These delays extended the radwaste system startup at these two plants for more than one
. year.t 2
1 slT-0606030150 860029 PDR ADOCK 0000 4
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Director of Nuclear Reactor Regulation File: X7BC35 May 29, 1986 Log:
GN-927 Page 2 Considering the potential for similar unanticipated delays as those encountered at these two recent plants, the possibility exists that the volume reduction and solidification facility may not be available to support VEGP Unit No.1 startup. As a contingency to possible impacts on the VEGP Unit No. 1 startup schedule, Georgia Power Company has made the decision to delay the completion of the VEGP primary radwaste disposal facility for an indefinite period and construct an alternate radwaste building to utilize contract vendor services for processing and disposal of radwaste.
Currently, both the VEGP FSAR and Process Control Program (PCP) have provisions for contract vendor services.
As shown on Attachment 1, the alternate radwaste facility will consist of a steel-framed building approximately 40 feet wide, 63 feet long and 35 feet high.
In the building is a shielded demineralizer cubicle for leased or purchased demineralizers, a laydown area, and a truck-trailer loading bay serviced by a 15-ton pedestal crane. The crane will be used to manipulate shielded liners and liner covers, to load and unload trucks, to set process skids and for general material handling.
The building will contain services required by a contract vendor such as demineralized water, service air, a monitored process vent, electrical supply and equipment drains.
Piping for each liquid waste stream to be processed will be routed either from the existing piping in the radwaste transfer tunnel or from the appropriate storage tank in the auxiliary building.
Isolation valves for each waste stream will be provided in conjunction with individual pipe connections on the outside of the radwaste transfer building south wall for contract vendor connections.
The alternate radwaste building will function as a radwaste processing and disposal area for the waste streams previously designated for the primary radwaste building and for the radwaste evaporators in the auxiliary building.
These processing functions include backup liquid waste demineralizers, dewatering, solidification, and dry active waste compaction.
The design of this alternate radwaste building will conform to applicable NRC criteria for such facilities. For example, the building will have (1) a basemat designed to contain spills following an OBE event, (2) fire detection capability and sprinkler capability in areas of high combustible loading, (3) container vent to monitored auxiliary building HVAC, and (4) floor drain sump discharge to auxiliary building tanks.
Radwaste vendor services will be contracted from vendors with a NRC-approved topical report and/or Process Control Program (PCP) for producing a radwaste package acceptable to licensed burial grounds.
The vendor PCP requirements will be incorporated in the VEGP procedures and approved prior to use. The appropriate vendor PCP documentation will be referenced in an amendment to the current VEGP PCP.
F Director of Nuclear Reactor Regulation File:
X7BC35 May 29,1986 Log:
GN-927 Page 3 While this alternate facility will be the only method for radwaste processing during the early life of the plant, it is GPC's plan that the permanent volume reduction and solidification building as described in the FSAR be eventually completed and placed in service. Therefore, we request the licensing activities for the primary radwaste disposal design, as described in the FSAR, continue to completion.
Should you have any questions concerning this issue, please inquire.
Sincerely,
):24N^ '
-R. E. Conway REC / JAB /sm xc:
J. A. Bailey R. A. Thomas J. E. Joiner, Esquire B. W. Churchill, Esquire (1)
M. A. Miller (2)
B. Jones, Esquire G. Bockhold, Jr.
D. C. Teper (1)
W. C. Ramsey L. T. Gucwa Vogtle Project File 0498V
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