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 2 of 5
System/Component
Design
Class
(Note 1)
Seismic/Tornado Design
Requirements
Design Class Function
PLANT MONITORING AND COMMUNICATION SYSTEM (SDD-CMOO)
Central Monitoring System IIIA Monitors important facility parameters
ENVIRONMENTAL MONITORING SYSTEM (SDD-EM00)
Volatile Organic Compound (VOC) Monitoring Equipment
and sub-systems
IIIA
Monitors release of VOCs
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM (SDD-HV00)
Exhaust Filtration System II Design Class Interface. (Control of radioactive
effluent)
HEPA Filters II Control of radioactive effluent
Tornado Dampers II DBE, DBT Control of radioactive effluent
Exhaust Systems HV02, (Bldg 411, RH HVAC), and HV04
(Station A and Bldg 413, Exhaust Filter Building HVAC)
IIIA
Design Class Interface. (Provide filtration and
maintain differential pressure)
HVAC for the CMR IIIA Design Class Interface. (Maintains acceptable CMR
environment)
RADIATION MONITORING SYSTEM (SDD-RM00)
Stations A3, B2, C, and D1 (including the UPSs) II DBE, DBT Monitors radioactive effluents
The remainder of the RMS SSCs are Design Class IIIA
(except PV00 equipment which is IIIB)
UNDERGROUND HOIST SYSTEM (SDD-UH00)
IIIA
Monitors radioactive effluents
Waste Hoist and Equipment IIIA (Note 3) Failure could cause radioactive material release
4.1-8 January 28, 2003