Misc operating orders

Question 1

What are the three goals of Nuclear Operators when performing their O-19 actions (actions following Rx trip)?

Answer 1

• minimize cooldown
• check operating status
• check general integrity of plant systems

Question 2

What does O-36 postings mean?

Who determines what equipment is posted?

How often is an O-36 posting is checked?

Answer 2

posted protected equipment (other equip for same function is inoperable

WCSFM

shiftly

Question 3

Per O-12 (operation of manual CIV) what is required of individual responsible to isolate vavle if necessary?

Answer 3

2 forms of communication

no other concurrent duties

at location of valve

Question 4

Per O-9 (manual seating of MOV’s) what is the primary concern with manually operting MOV’s?

Answer 4

When a MOV is manually operated, it is de-clutched. When an MOV is de-clutched the limit/ torque switch is reset => if the valve is restored in the closed position and already closed it can torque shut (re-torque) and possibly damage the valve.