ALARA review for peach bottom unit 3 pipe replacement modification
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:6867233
This paper describes an as-low-as-reasonably-achievable (ALARA) program developed by the Philadelphia Electric Company (PECo) for a major plant modification: replacement of the recirculation, residual heat removal, and reactor water cleanup system piping at Peach Bottom Unit 3. Improved materials and improvements in piping system design are expected to result in long-term dose benefits to plant operations and maintenance personnel. Plant modifications of this scope, however, require special attention to control personnel dose, since construction activities for implementing the modifications require on the order of 100,000 person-hours in plant radiation fields. The average collective dose reported by boiling water reactor owners who have performed major piping system replacement is approx. 1700 person-rem, even though significant attention has been given to dose reduction. Normal plant ALARA procedures are generally not sufficient to achieve the 2000 person-rem personnel dose criterion established by the US Nuclear Regulatory Commission for a major modification of this kind.
- OSTI ID:
- 6867233
- Report Number(s):
- CONF-880422-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 56
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100 -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ALARA
BWR TYPE REACTORS
CLEANING
COOLING SYSTEMS
DECONTAMINATION
DOSES
ENERGY SYSTEMS
ENRICHED URANIUM REACTORS
MAINTENANCE
MODIFICATIONS
NATIONAL ORGANIZATIONS
PEACH BOTTOM-3 REACTOR
PIPES
POWER REACTORS
PRIMARY COOLANT CIRCUITS
RADIATION DOSES
RADIATION PROTECTION
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR MAINTENANCE
REACTORS
RHR SYSTEMS
US NRC
US ORGANIZATIONS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100 -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220900* -- Nuclear Reactor Technology-- Reactor Safety
ALARA
BWR TYPE REACTORS
CLEANING
COOLING SYSTEMS
DECONTAMINATION
DOSES
ENERGY SYSTEMS
ENRICHED URANIUM REACTORS
MAINTENANCE
MODIFICATIONS
NATIONAL ORGANIZATIONS
PEACH BOTTOM-3 REACTOR
PIPES
POWER REACTORS
PRIMARY COOLANT CIRCUITS
RADIATION DOSES
RADIATION PROTECTION
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR MAINTENANCE
REACTORS
RHR SYSTEMS
US NRC
US ORGANIZATIONS
WATER COOLED REACTORS
WATER MODERATED REACTORS