NPO U.S.A.
1955 University Lane
Lisle, IL 60532 USA
T: (630) 963-0320
CELL(24/7): (630) 960-8500 NPO Europe
Campus de Ker Lann
Parc de Lormandière
Rue Maryse Bastié - Bât. C
35170 Bruz - France
T: +33 (0)2-23-50-13-80
F: +33 (0)2-23-50-13-90
San Onofre Nuclear Generating Station
Challenge: San Onofre wanted to decrease dose from small bore piping adjacent to where maintenance and inspection work is performed. The 3/4 inch (1.9 cm) pipe shown below is challenging to shield with lead blankets.
Solution: Using NPO T-Flex® tungsten/silicone shielding, we manufactured 65 form-fitting 3/4 inch (1.9 cm) and 1-1/2 inch (3.8 cm) diameter pipe shields for San Onofre, meeting their 10 pounds per linear foot weight allowance.
Results: San Onofre achieved 65 percent attenuation with approximately 5/8 inch (1.6 cm) thick high density T-Flex®. Because this shielding is quick and easy to install, workers incur a low installation dose.
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