Worcester Ball TW Cask Manual Fill Valves TW-V-*021 and TW-V-*027 Page: 7 of 16
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ECN No. NA C01 No. CG-SNF-D-47-P4-043 Page 3 of 2
tite: WORCESTER BALL TW CASK MANUA L FILL VALVES, TW-V-
,Sectin 4Enironmental& Natural Phenomena Hazard Desi n
Environmental Qualification Required: If yes: Environmental Quaiification Requirements
Yes [ ] Limiting Environmental Conditions:
No [ X Required Safety Functions:
Environmental Condition B Qualification Period:
Natural Phenomena Hazard (NPH) Design Required: If yes: NPH Design Requirements
Yes [ X ] Performance Category: PC-3
No [ ] NPH Design Req'ts.: Seismic Condition A
HNF-PRO-97, Rev. 0 Required Safety Functions: Provide post accident
W-441-P4, Rev. 2 monitoring of cash annulus water level for
runaway reaction prevention.
Flow Path for Tempered Water Refill
Sections omporient Functional Classification
[ X ] Safety Class (SC) [ ] General Service [ ] Safety Significant (SS)
Ifpart/component classification is different from host component/system, document basis.
Section 6 Reserved
[1e i d C ] USection 7 Resered
o 8 References for Functional Classification
National Codes/Standards: Safety Analysis Report (SAR): Drawings: H-1-82161, Rev. 2
AMSE B31.3 HNF-SD-SNF-SAR-002, HNF-SD-SNF-SEL-002, Rev. 6
Vendor Manual/Manufacturer/Supplier Information: Worcester Series 59 Full Port Ball Valve PB 451-22
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NUXALL, T.A. Worcester Ball TW Cask Manual Fill Valves TW-V-*021 and TW-V-*027, report, May 6, 1999; United States. (digital.library.unt.edu/ark:/67531/metadc738832/m1/7/: accessed February 21, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.