Shared Flashcard Set

Details

ECCS/RHR open interlocks
n/a
9
Engineering
Professional
05/03/2014

Additional Engineering Flashcards

 


 

Cards

Term
What is needed to open CHS*MV8511A/B (Charging to RWST min-flow recircs)
Definition
  • SIL*MV8804A and B closed

AND

  • Either CHS*LCV112B or 112C closed
Term
What is needed to open CHS*MV8512A/B (charging to RWST Min-flow recircs)
Definition
  • SIL*MV8804A and B closed
Term
What is needed to open SIH*MV8814, 8920 and 8813 (SIH Min flow recircs)
Definition
  • SIL MV8804A and 8804B must be closed  to open any SIH recirc valves
Term
What is needed to open RSS*MV8837 A/B and 8838 A/B (Recirc spray to RHR isolations)?
Definition
  • RWST isolated (Either SIL*MV8812A or B closed)
  • RHS suction from the RCS isolated (Any 8701 closed for "A" Train and any 8702 Closed for "B" train)
Term
What is needed to open SIL*MV8804A/B (RHR to CHS/SI supply)
Definition
  • RHS suction for affected train isolated( either any of the 8701s or 8702s)
  • SIH pump recirc isolated (SIH*MV8813 or both SIH*MV8920 AND SIH*MV8814 closed)
  • CHS pp recirc path isolated (either 8511A and 8512A or 8511B and 8512B closed)
  • RSS supply to RHR open (8837A or 8838A for "A" train or 8838B or 8837B for "B" train)
Term

What is needed to open RHR loop suction (Middle Valves)

(8701A or 8702B)

Definition
  • RCS loop 1 (4) wide range pressure PT405A (PT403A) <390psia
  • 8804A (B) closed- RHR to CHS/SI
  • 8812A (B) closed- RWST suction
  •  8837A (B) closed - RSS to RHR
  • 8838A (B) closed - RSS To RHR

 

Term
What is needed to open RHS*8701B (8702A)-Valves closest to RHR pump?
Definition
  • RCS loop 1 (4) wide range pressure PT403A (PT405A) <390psia
  • 8804A (B) closed- RHR to CHS/SI
  • 8812A (B) closed- RWST suction
  •  8837A (B) closed - RSS to RHR
  • 8838A (B) closed - RSS To RHR
Term
What is needed to open SIL*MV8812A (B) RWST to RHR pump isolations?
Definition
  • SIL*MV8804A (B) closed
  • RSS *MV8837A (B) closed
  • RSS* MV8838 (B) closed
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