DOE 2000. - Waste Isolation Pilot Plant - U.S. Department of Energy

WIPP RH PSAR DOE/WIPP-03-3174 CHAPTER 4
Table 4.1-1 Design Classes of Structures, Systems, and Components at the WIPP Facility Page 3 of 5
System/Component
Design
Class
(Note 1)
Seismic/Tornado Design
Requirements
Design Class Function
UNDERGROUND VENTILATION SYSTEM (SDD-VU00)
Exhaust duct elbow at the top of the Exhaust Shaft
II DBE, DBT Design Class Interface. (Channels exhaust air to the
EFB)
HEPA Filters and Isolation Dampers II Control of radioactive effluent
Exhaust Fans for the filtration mode
II Design Class Interface. (Channels exhaust air through
the EFB)
Exhaust System Instruments and Hardware IIIA Design Class Interface. (Supports Exhaust Filtration
System)
(6) High Pressure Fans for Bulkhead 309 (Pressure Chamber) IIIA Maintain buffer zone between RMA and non-RMA
WASTE HANDLING EQUIPMENT (SDD-WH00)
Facility Cask II (Note 4) Provides permanent shielding
25-Ton Crane - Cask Unloading Room IIIA (Note 6) Failure could cause radioactive materials release
Telescoping Port Shield II UBC (Note 5) Provides permanent shielding
Shield Bell II (Note 5) Provides permanent shielding
Cask Unloading Room Floor Shield Valve II (Note 5) Provides permanent shielding
Hot Cell Shield Valve II (Note 5) Provides permanent shielding
4.1-9 January 28, 2003