ML20209G911
| ML20209G911 | |
| Person / Time | |
|---|---|
| Issue date: | 06/25/1985 |
| From: | Derek Widmayer NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | Higginbotham L NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| Shared Package | |
| ML20209G768 | List: |
| References | |
| FOIA-85-583 NUDOCS 8509190750 | |
| Download: ML20209G911 (3) | |
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JUN 2 51985 201.7/DNW/85/6/12
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- _1 MEMORANDUM FOR: Leo B. Higginbotham, Chief DISTRIBUTION: dsf201.D Low-Level Waste and Uranium WMLU rf nrra rf Recovery Projects Branch DWidmayer JStarmer Division of Waste Management JBunting RBrowning MBell DMartin FROM: Derek A. Widmayer, Project Manager JSha ffner Low-Level Waste and Uranium JHunt Recovery Projects Branch DGoode Division of Waste Management
SUBJECT:
MEETING WITH CHEM-NUCLEAR SYSTEMS, INC. ON JUNE 11, 1985 Enclosed are the meeting minutes for the subject meeting with Chem-Nuclear Systems, Inc. and Dames & Moore. If you have any questions please see me.
5 Derek A. Widmayer, Project Manager Low-level Waste and Uranium Recovery Projects Branch Division of Waste Management
Enclosure:
Meeting Minutes 8509190750 850904 PDR FOIA PAY 85-583 PDR OFC :WML kJ : : : : : :
NAME :DAWidmayer : : : : : :
DATE :85/06/ : : : : : : 4,
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MEETING MINUTES DATE: June 11, 1985 TIME: 2:00 PM PLACE: NRC Headquarters, Willste Building, Silver Spring, Maryland ATTENDEES: Chem-Nuclear Systems, Inc. (CNSI)
Michael T. Ryan, Director, Regulatory Affairs-Barnwell Les Poppe, Director, Licensing Dames & Moore Jim Cline, Partner Robert Kupp, Manager-Radioactive Waste Technology NkC Robert Browning, Director, Division of Waste Management John Starmer, Section Leader, Division of Waste Management Jim Shaffner Derek Widmayer Joel Hunt Dan Goode
Purpose:
To discuss a conceptual design for a disposal facility and requirements of 10 CFR Part 61.
Sumary: Dames & Moore, CNSI's principal contractor for current developmental work in South Dakota, presented basic information on the major properties of shale stratigraphy, geology, and hydrogeology. Some of these properties were:
Shale has relatively low permeability, Deep artesian features are present, Terrain is generally rolling, Layers of weathered shale are present.
Water Table levels are relatively shallow.
Dames & Moore also presented the basics of a conceptual design for a disposal facility to serve as a model for discussions with NRC representatives present on whether the design could meet requirements of Part 61. The conceptual design included engineered trenches, bentonite slurry walls, and surface feature engineering for control of water. ,
NRC emphasized that the analysis presented in any license application that may include engineering features such as those presented by Dames & Moore would have to show that the
' 9 performance objectives of Part 61 would be met. NRC assured CNSI that the framework of Part 61 included the necessary flexibility to license engineered facilities such as the conceptual design presented. NRC established that credit for engineered features in the analysis demonstrating that the performance objectives would be met will be considered.
However, natural site features will be the primary consideration in meeting the minimum site suitability criteria, and engineering features may not be allowed to compensate for an unsuitable site. NRC stressed that a licensee must demonstrate the case that a site is suitable to the NRC in its license application. NRC reiterated that a license review under Part 61 for an engineered alternative without protracted hearings, could take from 2 to 31 years. NRC told CNSI to expect 2 rounds of questioning during license review for a design like the one discussed.
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