Test Prep (incomplete)

Question 1

What are Harsh Containment conditions

Answer 1

• ≥ 170°F
• 10E8 mr/hr

Question 2

HPSI Throttle Criteria

Answer 2

• Lpzr ≥ 10% [15%]
• SCM ≥ 24°F [≥ 44°F]
• One SG available (45-60% NR or restoring)
• RVUH ≥ 16%
• HPSI not needed for boration

Question 3

Natural Circ Indications

Answer 3

• Loop ΔT < 65°F
• Tc & Th ↔ or ↓
• ≥ 24°F [44°F] subcooled using CET
• < 30°F ΔT between Thot and max quadrant CET

Question 4

What are the Reduced RCS levels?

Answer 4

PLRM - (117 -3, -3, 103)

Partial Drain - 117’
Lowered Inventory - 114’
Reduced Inventory - 111’
Mid-Loop - 103’1”

Question 5

Hot Leg Injection criteria

Answer 5

• 2-3 hours after break AND one of the following:
• <24*F [44] REP CET subcooling
• Lpzr <10% [15]
• RVUH <16%

Question 6

Reflux Boiling indications

Answer 6

• <44*F [60] CET superheat
• SGWL 45-60% NR

Question 7

Criteria for stopping CSP’s

Answer 7

• Stop BOTH if
  
  • on mini-flow
  • not expected to be > 8.5psig in 1 hr
• Stop 1 if
  
  • Pcntmt < 50 psig and not rising
  • SI actuated and flow in delivery curve

Question 8

SDC entry conditions EOP

Answer 8

• < 24°F [44°F] subcooling
• Lpzr > 30% [38%]
• Ppzr < 385 psia
• Thot < 335°F

Question 9

Criteria for using CSP for SDC

Answer 9

LPSI criteria AND
- PPZR < 210 psia
- RCS temp < 185°F

Question 10

What is SDC Entry Criteria during a LOCA

Answer 10

• LPZR > 30% [38%] and controlled
• ≥ 24*F RCS subcooling
• Ppzr < 385 psia
• Thot < 335°F
• RCS activity will not result in unacceptable doses outside CTMT

CS pump
- Ppzr < 210 psia
- Trcs < 185*F