Biofouling monitoring and control program at the Boston Edison Pilgrim Nuclear Station: A twelve year history
Technical Report
·
OSTI ID:414824
- Marine Biocontrol Corp., Sandwich, MA (United States); and others
This paper reviews the history of the Biofouling Monitoring and Control Program at the Boston Edison Company Pilgrim Nuclear Power Station. The program was initially developed in 1982 in response to serious operations, maintenance and performance related problems due to biofouling in both the circulating and service water systems. Although implemented seven years prior to federal mandates under GL 89-13, this program also satisfies regulatory criteria for biofouling monitoring and control of nuclear service water systems. Since its inception, the impact of macrofouling on plant operation and availability has been significantly reduced. Stringent monitoring for blue mussels, installation of mechanical barriers to horseshoe crabs, improvements in screens, screenwash and debris removal systems, and an on-going commitment to biofouling control have reduced the number of condenser backwashes per year from > 40 (1989) to < 10. Depending on conditions and timing of a backwash, the resulting economic gain from this improvement alone can be 1.5 to more than 4 million dollars a year. Other improvements in related components and the service water system have also resulted in reduced maintenance related problems and an additional cost benefit to the plant. 13 refs., 6 figs., 1 tab.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (United States); Stone and Webster Engineering Corp., Boston, MA (United States)
- OSTI ID:
- 414824
- Report Number(s):
- EPRI-TR--106781; CONF-960857--
- Country of Publication:
- United States
- Language:
- English
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