ML20198R435
| ML20198R435 | |
| Person / Time | |
|---|---|
| Site: | 07000734 |
| Issue date: | 01/31/1998 |
| From: | GENERAL ATOMICS (FORMERLY GA TECHNOLOGIES, INC./GENER |
| To: | |
| Shared Package | |
| ML20198R413 | List: |
| References | |
| NUDOCS 9801230314 | |
| Download: ML20198R435 (5) | |
Text
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4 GENERAL ATOMICS' SITE DECOMMISSIONING PLAN SEPTEMBER 1996 (Revised December 1996)
(Revised April 1997)
(Revised January 1998) j n '
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perform limited work with radioactive material. If the worker requires entry into any of the above special areas or if thejob requires any of the hands-on" work mentioned, then the worker must attend Radblogical Worker Training.
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n=Aalnoial Worker Tralal== (RWT 16 Ilouri--- Training will be provided to personnel who require unescorted access to Restricted Areas and who may perform more cortplex radiologicaljob functions.
- GERT and RWT are required initially. Both are effective for two years, not to exceed 27 months, except l
when a change of visitor status (GERT) to worken status occurs, in which case RWT is required.
11ealth Physics Tedmician Training Only HP Technicians with sufficient experience will be used. HP
- Tocht.icians must successfully complete Radiological Worker Training. In addition, IIP Technicians
- must review and understand procedures according to the 11P Technician Procedure Review Sign-off l
4 Forms. ItP Technicians will also review applicable procedure revisions in a timely manner.11P
- Technicians will also be familiarized with the specific procedures for the specific decommissionbig project.
c i--In.einn enne,ol Tralala=-Personnel will be trained in contamination contiol together with boundary control, ventilation control, etc. Cross contamination will be limited by the use of training and
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radiological controls. Radiological and hazardous material contamination will be strictly controlled during all decommissioning work. His control will be accomplished using qualifiert workers to perform work identified in approved work procedures. In some instances, special brief~mgs and dry-runs may be used to perfect, demonstrate, and qualify the workers.
4.4.2 Equipment Operator Training All equipment operators will have proper training completed and documented prior to working with the equipment.
4.4.3 Safety / Accident Prevention Training GA has an Accident Prevention Program which is defined in the Accident Preventics: Program Manual (APPM) ~ All employees are required to abide by the requirements of this Manual. Additional specific Project requirements are specified in the plans and procedures for specific decommissioning projects.
Dese additional requirements arise because of the nature of the work to be performed.
Ha=Ld ca==uat=*ian Trainina-A hazard communication training program has been developed for decommissioning projects in accordance with OSHA 1910.1200 and the GA APPM. This program promotes
- awareness of chemical hazards that are present at the specific facility, and provides means to communi:ste
-REVISED NGEJanuary 13,1998 i
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1 RCRA Facility Standards Overview Training-This class covers the requirements established under 40 CFR 264.16 for personnel who may handle hazardous wastes within the Facility. The class covers the Federal Standards and discusses compliance requirements for generators of hazardous and mixed wastes.
An annual update is provided.
4.4.5 Other Training Waste Accentance Criteria--Training is provided to the requirements established for the disposal site (s).
An annual training update is provided.
GA litnergency Response Training-GA has an " Emergency Plan"(a.k.a. Radiological Contingency Plan), as required by the NRC and the State of California. All facilities in whir.h licensed material is stored or used have specific implementing procedures for this plan. Training on the Rcdiological Contingency Plan is provided every 2 years to Emergency Response and Recovery D! rectors (specific to each facility) and their alternates. Emergency Response Team members also receive training specific to their facility's potential hazards / emergencies.
4.5 Procedures All decommissioning work will be performed in accordance with written, approved procedures and/or plans.
Revisions to Decommissioning Project procedures are reviewed, approved, and processed in the same manner as the initial document. Fic!d changes to existing approved procedures are made in accordance with current procedure control requirements, llP procedures are developed by Project and GA IIP personnel and approved by UA IIP and Licensing, Safety, and Nuclear Compliance (LS&NC) manageme
?uality Assurance procedures are developed by Project and GA Quality Assurance personnel and approved by GA Quality Assurance management.
4.6 Schedule GA anticipates decommissioning, or the transfer ofjt'risdiction to the State of California, of all facilities described in Table S 1 to take approximately 5 years.
4,7 Methods Used For Protection ofOccupational and Pubile Health andSafety 4.7.1 ALARA Program REVISED PAGE January 15,1998 4-5 1
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t lirpited to the floor and lov>cr (up to 2 m height) walls. Survey locations are referenced to the grid system; surveys of ongridded surfaces are referenced to the floor or to prominent building / area features or tendmarks. He grids described above are intended primarily for reference purposes, and although grid intersections are the locations where measurements or samples are normally collected, they do not necessarily dictate the spacing of survey measurements or sampling.
Scanning-Scans of approximately 100% of the accessible suspect afTected area (normally the floor and 2 m up the wall) will be perfonned for all radiations which may be emitted from the radionuclides of interest. locations of areas of elevated activity will be identified and direct measurements will be taken at these locations. Residual activity above the releuse criteria will be remediated until the release criteria is satisfied.
For upper walls and ceilings that are classified as suspect affected areas, a reasonable effort will be made to survey at least 25% of the suspected contaminated surfaces. Additional survey coverage is needed if levels detected are 175% of the limits is detected on ar,y of the surfaces. Survey coverage may also be modified based on as assessment of the situation. For example,if contamination has been detected only on I-beams or other flat horizontal surfaces and generally not on vertical surfaces, then a reasonable effort to survey approximately 100% of the flat horizontal surfaces will be made and an attempt to survey at least 10% of vertical surfaces will be made.
hteasurements - A measurement is either (1) a " fixed" measuremen! representing total activity or (2) a wipe representing removable activity. He number of measurement locations will be based in part on the size of the rea being surveyed. He minimum number of measurements per survey unit will be:
For survey units s 20 m' A minimum of 30 measurement locations For survey units > 20 m' A minimum of I measurement location for each 4 m' In addition, in suspect affected areas, the survey plan must incorporatodditional sampling points specific to each area and developed on a case-by-case basis. This will include consideration for survey of overhead structures (including lights,1 beams, piping, ducts, vents, and other structures), sr.rvey of drains, etc.
Exnosure Rate Measurements If gamma emitting radionuclides are among the potential z
contaminants, exposure rate measurements will be taken approximately every 4 m of accessible floor area. If potential contaminants did not include gamma emitters, expcsure rate measurements will be performed at a minimum spacing of I measurement per 10 m'.
Outside Surveys for Affected Arcu (Concrete or Asnhalt Surfaces)
Exposure rates are not to exceed 10 micro-R/hr above background at 1 m above the surface (concrete or asphalt surfaces). For open land areas, exposure rates (measured at I m above the surface) can be averaged over 10m by 10m grids. The maximum exposure rates over any discrete area may not exceed two times the limit above background, it is GA's intent to remediate all areas where micro-R readings exceed 10pR/hr at I m above the surface. Ilowever, in the event that reasonable efforts have been made and measurements continue to remain elevated, GA may apply the averaging criteria described above to detennine con pliance.-
REVlSED PAGE January 15,1998 6-7 1
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