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

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WIPP RH PSAR <strong>DOE</strong>/WIPP-03-3174 CHAPTER 5<br />

Table 5.1-10 HAZOP Accident Scenario Ranking Page 5 <strong>of</strong> 13<br />

Accident Scenario # Node Deviation Consequence Qualitative<br />

Consequence<br />

Ranking<br />

(Table 5.1-6)<br />

Qualitative<br />

Frequency<br />

Ranking<br />

(Table 5.1-4)<br />

Prevention/Mitigation<br />

RH6 Seismic 13-1<br />

General<br />

Facility<br />

operation -<br />

NPH,<br />

External<br />

events<br />

Seismic event<br />

(Design Basis<br />

Earthquake)<br />

Potential for<br />

significant<br />

radioactive<br />

materials<br />

release<br />

4 3 Prevention: WHB and equipment<br />

designed for DBE, 72B Cask design -<br />

meets DOT Type B shipping container<br />

certification requirements.<br />

Mitigation: HVAC system shutdown<br />

switch, Emergency response plan and<br />

teams; Recovery plan.<br />

RH7 Tornado 13-2<br />

General<br />

Facility<br />

operation -<br />

NPH,<br />

External<br />

events<br />

Tornado event<br />

(Design Basis<br />

Tornado)<br />

Potential for<br />

significant<br />

radioactive<br />

materials<br />

release<br />

4 2 Prevention: WHB and equipment<br />

designed for DBT, 72B Cask design<br />

meets DOT Type B shipping container<br />

certification requirements.<br />

Mitigation: Weather monitored by<br />

CMR, Emergency response plan and<br />

teams; Recovery plan.<br />

5.1-39 January 22, 2003

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