Term
SW
Describe the SW pump power supplies. |
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Definition
-11 pump: LC-107.
-12 pump: LC-104.
-13 pump: LC-102. |
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Term
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Definition
-East and West turbine building headers.
-Rx building.
-ECCS room coolers/motors.
-RBCCW HXs.
-Recirc MG sets.
-Emergency makeup to hotwell.
-Admin building, computers, chillers. |
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Term
SW
Describe any SW alarms or interlocks. |
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Definition
-Low discharge pressure at 45psig.
-Standby pump starts at 40psig if set up for standby. |
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Term
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Definition
| Provides keep fill to RHRSW up to pump discharge check valves. |
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Term
SW
Describe the SW strainer. |
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Definition
-Rotates at 4 rpm.
-Powered from MCC-123.
-Backwash valve opens at 2.1 psig, shuts at 0.9 psid. |
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Term
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Definition
-12 and 13 pumps get load shed on a loss of power and an ECCS signal.
-11 pump is shed on station loss of power to LC-107 and 10 seconds. |
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Term
SW
Describe the RHRSW pump power supplies. |
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Definition
-11 & 13 pumps: 15 bus.
-12 & 14 pumps: 16 bus. |
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Term
SW
Describe the RHRSW loads. |
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Definition
-RHR HXs.
-RHR HX outlet valves. |
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Term
SW
Describe the RHRSW/RHR HX D/P requirement and how it is controlled. |
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Definition
-SW > the RHR by 20#.
-Controlled by control valve that controls pressure when energized (RHR pump running). |
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Term
SW
Describe the RHRSW strainer alarm. |
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Definition
| Strainer at 5 psid, max D/P at 10 psid. |
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Term
SW
Describe RHRSW pumps on LPCI initiation signal. |
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Definition
-All 4 pumps auto secure.
-Can restart if > -47" Rx level and < 1.84 psig drywell pressure or if override.
-Should also secure a RHR pump for EDG loading. |
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Term
SW
Describe the EDGSW pump power supplies. |
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Definition
-11 pump: MCC-134.
-12 pump: MCC-143A. |
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Term
SW
Describe the EDGSW loads. |
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Definition
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Term
SW
Describe the EDGSW flow and pressure alarms. |
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Definition
-Low flow: 367gpm.
-Low discharge pressure: 30psig.
-Low EDG water pressure: 7 psig. |
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Term
SW
Describe EDGSW minimum flow. |
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Definition
| -Min flow is 367gpm (7gpm for error). |
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Term
SW
Describe which EDGSW pump can be operated from ASDS. |
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Definition
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Term
SW
Describe the ESW pump power supplies. |
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Definition
-13 pump: MCC-134.
-14 pump: MCC-144. |
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Term
SW
Describe the ESW loads. |
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Definition
-Emergency AC units.
-ECCS motor oil coolers.
-ECCS room coolers.
-11/12 core spray.
-13/14 RHR. |
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Term
SW
Describe the ESW strainer alarm. |
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Definition
| Hi Y-strainer dP at 2 psid for 135secs. |
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Term
SW
Describe the ESW SW pressure setpoint. |
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Definition
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Term
SW
Describe the low EFT condenser dP. |
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Definition
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Term
SW
Describe the ESW auto start sequence. |
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Definition
-Supply breaker to 15/16 bus opens and EDG output breakers shut.
-1AR breaker shut. |
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