ML20126K591
| ML20126K591 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 04/03/1985 |
| From: | Blay J, Quennoz S, Wise S TOLEDO EDISON CO. |
| To: | |
| References | |
| SP-1104.04, NUDOCS 8507300345 | |
| Download: ML20126K591 (49) | |
Text
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- 12. DECAY HEAT SYSTEM COOLING OF THE SPENT FUEL POOL If both SFP pumps or heat exchangers of the spent fuel pool cooling system are unavailable or if the heat load exceeds the SFP cooling system capacity the Decay Heat System can be used to cool the SFP water.
12.1 Prerequisites
. 12.1.1 Decay heat pump 1-1(1-2) and decay heat cooler 1-1(1-2) is available for cooling the spent fuel pool. Identify the desired Pump and Cooler to be used for SFP Cooling.
, DH Train 1 DH Train 2 12.1.2 Depending upon the condition of the RCS, the DH System will ,
either be lined up for decay heat removal as per Section 4, or lined up in Normal Lineup as per Section 13 of this procedure. 12.1. 3 SFP Cooling and Cleanup System lined up normally in accord-ance with Valve Verification List A of SP 1104.06, "SFP {E l
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Cooling and Cleanup Systen Procedure". 12.2 Procedure
# 12.2.1 Stop or verify that'DH Pump 1-1(1-2) is stopped prior to aligning it to the Spent Fuel Pool.
12.2.2 Close Decay Heat Pump 1-1(1-2) suction valve DH 1517 (DH 1518), the Decay
- Heat Cooler Discharge Valve DH 14B (DH 14A) and DH 2733 (DH 2734),* the DH pump suction from the BWST valves if they are open.
12.2.3 Close DH 10* (DH 26)* (J ces, r.as ic)pjs,- 12.2.4 -Ghet the Decay Heat Cooler Bypass Valve DH 13B (DH 13A) if it is open. Closs 12.2.5 Shet the Decay Heat System discharge valve to the Reactor Coolant System DH 1B*(DH 1A)*1f it is open. 12.2.6 Stop the running Spent Fuel Pool Pumps. 12.2.7 Open SFP to Decay Heat System Valve SF 115. 12.2.8 Open SFP to DH Pump 1-1 (1-2) valve DH 31* (DH 30)* 12.2.9 Open DH Cooler 1-1 (1-2) discharge to SFP valve DH 66* (DH 65)*and open DH 69.
- Controlled per AD 1839.02.
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f - s 12.2.10 Establish component cooling water to DH Cooler 1-1 (1-2) if not already being supplied by opening DR Cooler 1-1 (1-2) CCW outlet isolation valve CC 1467 (CC1469). Use control room switch HIS-1467 (HIS-1469) located on panel C5716 (Engineered Safety Features Panel). 12.2.11 Perform decay heat removal pump 1-1 (1-2) Pre-Startup Check-off List, Enclosure 7 of this procedure, except Step 5. ,. 12.2.12 Start DH Pump 1-1 (1-2). 12.2.13 Open and throttle DH 148 (DH 14A) and DH 13B (DH 13A) to maintain adequate NPSH (> 3.7 psig) and cooling. Use DH pump suction pressure gauge PI 1507 for DH pump 1-1 and PI 1538 for DH Pump 1-2. 12.2.14 Monitor DH cooler 1-1 (1-2) to SFP flow using flow indicator cesiopohe FI DH2B (FI-DH2A). ^- -- :::;;dW3000 GPM, (for DH pump runout protection). W b k55 *^^ Section 12 Completed Date
'). NORMAL LINEUP During normal operation, the Decay Heat System will be lined up to provide
(.j s Low Pressure Injection if it is needed. This lineup is the " Normal Lineup". No operator sign off is required for this section of the test. 13.1 Prerequisites >> 13.1.1 Decay Heat System filled and vented. 13.1.2 Safety Features Actuation System is in service per
" Safety Features Actuation System Procedure," SP 1105.03.
13.1.3 Verify power is supplied to the motor operated valves and pumps listed in Enclosure 1. Verify control power is removed from DH1A and DH1B from indicating lights DH1A-2 and DH1B-2 on C5716. 1 6
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. a SP 1104.04 3 Davis-Besse Nuclear Power Station Unit No. 1 Operating Procedure SP 1104.04 Decay Heat and Iow Pressure Injecticn Operating Procedure i
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\[) 1. PURPOSE To provide procedures for the operation of the Decay Heat Removal System during the following normal and Safety Features Actuation ' modes: (these modes may be performed independently) Mode Section Decay heat removal during RCS cooldown 4 i Decay heat removal during RCS component repair 5 Decay heat coolant purification 6 Decay heat removal during refueling 7 Decay heat removal during RCS heatup 8 - Low pressure injection from the borated water storage tank 9 Recirculation of containment vessel emergency , sump fluid 10 , Decay heat system supply of containment vessel i emergency sump water to the high pres- ! sure injection pumps 11 l Decay heat system cooling of the spent fuel pool 12 Normal Lineup 13 Recirculation of the BWST with a D.H. pump 14 The decay heat removal system removes decay heat from the core and
- sensible heat from the reactor coolant system during the later stages
("~) of cooldown. The system also provides auxiliary spray to the pressurizer for complete depressurization, maintains the reactor coolant temperature during refueling, and provides a means for filling and partial draining of the refueling canal. Two pumps and two coolers perform the decay heat cooling function. After the steam generators have reduced the reactor coolant temperature to 280F, decay heat cooling is initiated. Normally two pumps will take suceton from the reactor coolant outlet line and discharge through che coolers into the reactor vessel. To control the decay heat return temperature a portion of the reactor coolant must be bypassed around the decay heat coolers. If only one pump or one cooler is available, the reactor coolant temperature is reduced at a lower rate. The equipment utilized for decay heat cooling is also used for low pressure injection during loss-of-coolant accident conditions. 15 During refueling, the decay beat from the reactor core is rejected to the decay heat removal coolers in the same manner as it is during cooldown to 140F. The refueling canal can be filled by switching the suction of the decay heat pumps from the reactor outlet to the borated water storage tank. As the borated water passes through the reactor vessel into
r . 2 SP 1104.04.20
- )
- the refueling canal it absorbs the decay heat from the core. This procedure is NOT normally used in order to minimize the contamination of the refueling canal. When the refueling canal is filled, suction to the pumps is switched back to the reactor outlet pipe. The refueling canal may be drained after refueling by switching the discharge of one of the pumps from the reactor injection nozzle to the borated water storage tank. The other pump will continue the recirculation mode of decay heat removal.
After the Decay Heat Removal System has been brought on line, the Reactor Coolant Pumps are secured. This results in the loss of normal spray to the pressurizer. An auxiliary spray connection from the Decay Heat Removal System to the pressurizer is provided in order to continue Reactor Coolant System depressurization. The auxiliary spray connection originates downstream of Decay Heat Removal Cooler 1-2, penetrates the Containment Vessel, and connects to the normal spray line between the pressurizer and the normal. spray line throttle valve. A remote operated throttle valve (DH 2736) is provided in the auxiliary spray line for flow control. The Decay Heat Removal System is connected to the Loop 2 reactor - outlet line on the suction side and through the core flooding lines on the discharge side. The system is isolated from the Containment Vessel on the suction side by two electric motor operated stop valves in series (DH 11 and DH 12) located inside the Containment Vessel. The isolation valves DH1A and DH1B can be throttled from 5 their Control Room switch. Throttling with DHIA and DH1B should be ;/ done only under emergency conditions or well into long term cooling (after a LOCA). The isolation valve DHIA (DH1B) has switch DHIA-2 (DH1B-2) to disconnect control power to the valves during normal 20 operation. During plant startup when entering Mode 3 control power from DH11 and DH12 is removed by tripping their circuit breakers.
- After the normal DH Cooldown valves, DH11 and DH12, are energized and are opened, Control Power to DH11 and DH12 is removed at C 5704 using HIS DH11A and HIS DH12A, to prevent inadvertent closure while on D.H. The Blue " CTRL PWR OFF" light on HIS DH11A and DH12A will illuminate indicating control power has been removed from DH11 and DH12. If DH11 (DH12) is open and control power has NOT been removed at HIS DH11A (HIS DH12A), computer alarm Q694 (Q695) will occur.
20 The relief capacity of the decay heat removal system relief valve PSV4849 is adequate to relieve any overpressure condition which could occur during shutdown. In the event that this relief valve is not OPERABLE, reactor coolant system pressure, pressurizer level and make up water inventory has to be limited and the capability of the high pressure injection system to inject water into the reactor coolant system must be disabled to ensure operation within reactor coolant system pressure - temperature limits. The Decay Heat Removal Suction Line Isolation Bypass Valves DH21 and DH23 are normally lock closed and controlled per AD 1839.02,
" Operation and Control of Locked Valves". However they have unique locks (this is specified in PT 5186.01) as a license condition
3 SP 1104.04.18 to decrease the ikelihood of the bypass path being opened inadvertently during periods wian isolation of the decay heat removal loop is required (RCS overpressure). 18 If the D.H. System is recirculating a partially drained RCS with a suction through the bypass line (through DH21 and DH23), do NOT increase flow above 4000 GPM. The flowpath through the smaller bypass line does not provide adequate NPSH to allow for two D.H. pump operation. The DH System is also used for a Low Pressure Injection (LPI) System which supplies water from the BWST to the core in the event of a loss of coolant accident (LOCA). At least one of the LPI pumps must supply BWST water to cool the core. In the worst case of a LOCA (*8.55 ft double 2 ended break at the RC pump discharge) at approximately 19 seconds after the break, the RCS pressure would be down to approxi-mately 450 psig and the LPI pumps would be started by the SFAS signal. At approximately 25 seconds after the break, the RCS pressure would be down to approximately 40 psig and LPI flow should be well eastablished. Since manual stops are installed on the cooler outlet valves, no throttling of the cooler outlet valves DH14A and DH14B should be done. If the cooler outlet valves are not open and the SFAS module has k.- tripped a computer alarm will occur. This computer alarm, Z323 (Z326) is actuated off an independent position switch on DH14B (DH14A). During normal operation if power is not removed from the solenoid on DH14B (DH14A) by pushing the open button on HISDH14B (HISDH14A) computer alarm Q318 (Q319) will occur. The times given are for the worst case of a LOCA and would vary as to the smaller the break, the longer would be the times. A simultaneous loss of offsite power would delay the LPI System response no more than six seconds since the pumps and valves would be sequenced at a maximum of 25 seconds after the RCS break. The LPI lines discharge into the Core Flood (CF) Injection Lines and the flow must go through the core flood nozzles into the reactor. The case of a CF line break downstream of the LPI tie-in would render one LPI string inoperable. If the diesel generator supplying the second LPI pump failed, the second LPI string would also be inoperable (single failure). For this size break, one High Pressure Injection Pump and one Core Flood Tank is sufficient for immediate cooling. The operator must establish LPI flow for long term cooling by first 18 closing the suction valve on the disabled pump and then opening the motor operated LPI cross over valve DH830 or DH831 to maintain 1500 gpm per line until the location of the RCS break is known. Failure to close the suction valve on the disabled pump would pressurize u -_ _ __ _ ____ _ __ _ __ ___
8 e 4 SP 1104.04.19 7~ the pump suction piping to pump discharge pressure and lift the emergency sump relief valve DH1508 or DH1509. If no air supply is available to DH14A or DH14B, in order to throttle to 1500 GPM per line, throttle the DH injection valve DHIB (IA) under emergency conditions. The controls for this motor operated valve allow the valve to be throttled since the motor operator only moves while the control switch is held. Local LPI/DH flow indicators are located at elevation 555' of the Auxiliary Building, above the DH cooler room outside of the nega-tive pressure boundary door 105. These flow indicators were fastalled for local flow indication while throttling the DH cooler outlet l valves (DH14A and B) with portable air tanks if the air supply had failed. This air tank method of throttling has been replaced with the throttling of DHIA and B, but the flow meters can still be used by personnel in the Auxiliary Building to monitor DH/LPI flow. The normal cooldown motor operated isolation valves DH11 and DH12 l are protected in a waterproof pit since they are below the level ^ i of water af ter a LOCA. These valves will be used well into long-l term cooling and, therefore, must be protected through the LOCA. l Whenever the waterproof seat is broken on the pit, it must be retested 19 as per "DH Valve Pit Leak Test", ST 5051.07. This requires sealing i the vent on the pit which cannot be done during power operation.
- l. Therefore, the plant must be shutdown before the pit seal is broken. .
During long term cooling within 7 days af ter a L.O.C. A., the operator must establish a second flowpath through the core to provide mixing l for Baron Concentration Control. (See " Loss of RC and RC Pressure EP 1202.06.). One flowpath could be to open the normal cooldown isolation valves (DH11 and DH12) to get 40 gpm through the minimum cooldown i flowpath (2 1/2" GCB-7) around the DH pumps suction to RCS valves I (DH1517 and DH1518). Control Room mounted (on C5716) flow indicators have been installed solely for the purpose of verifying 40 gpm through these minimum cooldown lines for boron dilution. A second flowpath would be to the pressurizer auxiliary spray line from the outlet of DH Cooler 1-2 through the 1 1/2" cross connect. A flow I indicator with local indication is installed on the auxiliary spray line. The local indicator is located at elevation 565' in the Auxiliary Building in the hallway across from the Makeup Pump Room between the BA Evaporator Room doors (close to the floor). The flowpath used would be decided by the location of the break in the RCS piping. A crosstie is available to supply power for establishing a second 19 flowpath. The crosttie can be accomplished by installing draw out units into the breaker cubicles. These are located in the Maintenance Shop storage bin and are " yellow" tagged. Breaker cubicle BE 1153 (EllB) is located on Elev. 585' outside #3 Mech. Pent. Room. Breaker cubicle BF 1135 (F11A) is located on Elev. 603' in the North end of
#2 Elec. Pent. Room. MCC E11B can be crosstied with Fila if one MCC l
l
e o . 5 SP 1104.04.17 ,/ is de-energized. This is to assure both Boron Concentration Control Flowpaths Double Isolation Valves (DH11 and DH12; DH2735 and DH2736) can be operated even if the MCC that normally supplies power to the valve is de-energized. See EP 1202.06, Loss of R.C. and R.C. Pressure, for specific steps. To prevent thermal expansion pressurization of the piping between DH11 and DH12, a thermal expansion flowpath is now provided through i DH24, DH49 and DH2O (See P&ID M-033, H-2). Design characteristics for the DH pumps, motors, and coolers are as follows: 17 To prevent an inadvertent transfer of water, the D.H. minimum cooldown deboration flowpath isolation valves DH10 and DH26 will be closed just prior to placing the Decay Heat System in recirculation. DH Pump 1-1 (1-2) Manufacturer Babcock & Wilcox Canada Ltd. Serial No. 67791 (67790) Size 10 x 12 x 21 - Model KMSh - Equipment. No. P42-1 (P42-2) Capacity (spm) 3000 Head (feet) 350
Pump Speed (rpm) 1750 f .
C. . ? NPSH (req'd) 8.5 Design Press / Temp 520 psig/350*F DH Pump Motor 1-1 (1-2) Manufacturer Westinghouse Serial No. 2S-72 (15-72) Equipment No. MP 0421 (MP 0422) Horsepower 400 Madel HSDP Frame 5010-S Volts 4000 Amps (full load at rated voltage) 50 Insulation Class B Motor Weight (1bs) 3420 DH Cooler 1-1 (1-2) Manufacturer Atlas Industrial Mfg. Co. Equipment No. E27-1 (E27-2) Serial No. 1592 (1591) Type Shell and Tube Performance Heat Load (@ 140'F) 30 x 108 BTU /hr (Emergency condition) 105 x 108 BTU /hr Reactor Coolant Flow (gpm) 3000 Component Cooling Water flow (gpm) 6000 Material shell/ tube CS/SS Design Pressure shell/ tube (psig) 150/450 f Design Temperature shell/ tube (*F) 250/350
6 SP 1104.04.16 Pressure Drop shell/ tube (psi) 13.3/3.2 Heat transfer area (ftz) 3250 System Design Operating Conditions:
- 1. DHR - Initiate decay heat removal when RCS is $280*F and 296 PSIG at the D.H. Cooldown Line or 266 PSIG as read on PIRC2A6.
- 2. LPI - SFAS starts LPI pump when RCS decreases to 450 PSIG or containment pressure increases to 18.4 psia.
- 3. Pressure Relief Valve Setpoints:
DH 1508 and DH 1509 = 75 psig DH 1529 and DH 1550 = 450 psig DH 4849 = 320 psig at centerline of DH11 & DH12 (DH 4849 has a thermocouple installed in the discharge of the valve which actuates a computer alarm T362 "D.H. Norm Suct Rif Viv Out
- Temp", to sense when the relief has lifted).
DH 2797 = 125 psig
- 2. PRECAUTIONS AND LIMITATIONS )
2.1 When the Reactor Coolant System (RCS) has been shutdown and depressurized, isolate the Borated Water Storage Tank (BWST) from the Decay Heat Removal System (DH) to prevent the possi-bility of the RCS being flooded from the BWST due to the eleva-tion differences by closing DH7A and DH78, BWST Outlet Isolation Valves. 2.2 Decay heat System shall be isolated from the RC System when:
- a. RC pressure at the centerline of DH11 and DH12 piping (elev. 559) is above 296 psig (PIRC2A6 reading 266 psig, elev. 633') and/or
- b. The RC temperature is above 350*F.
NOTE: The isolation of the DH system from the RCS when the RCS pressure >266 psig indicated on PIRC2A6 prevents the lifting of PSV4849. The DH system is protected from overpressurization by:
- a. PSV4849 set to relieve at 320 psig at the centerline of DH11 and DH12 (290 psig as read on PIRC2A6).
[ . 7 SP 1104.04.18
\# b. An SFAS signal (PSH7531A) closes DH11 at 331 psig at tha centerline of DH11 and DH12 (301 psig as read on PIRC2A6).
- c. A pressure switch PSHRC2B4 closes DH12 at 296 psig at the centerline of DH11 and DH12 (266 psig as read on PIRC2A6).
NOTE: The autoclosure of DH11 and DH12 is defeated when control power is removed from DH11 and DH12. DH11 and DH12 or DH21 and DH23 must be open to provide overpressure 18 protection to the RCS whenever RCS temperature is less than 280*F. The pressurizer heater control circuit is interlocked to prevent energization of the pre: Surizer heaters if (1) either DH11 or DH12 are not closed (M0'. Limit switches and stem mounted limit switches) and (2) RCS p:es.ure is above the setpoint for the autoclosure of DH11 (331 psig at the centerline of DH11 and DH12, 301 psig as read on PIRC2A6). See SP 1103.05, Pressurizer Operation System Procedure for a detailed description of the pressurizer heater interlock. . For allowable RCS pressure during simultaneous DH and RC pump operation, see Figure numbers 15A and ISB of the Plant Limits and Precautions Procedure, PP 1101.01. ( ~' . 2.3 The Decay Heat System is put in service during RCS cooldown, and
" .s RC pumps started during heatup only within the pressure ranges allowed by required RC pump NPSH and allowable Decay Heat System Pressure, Figure 1 and 2 (Enclosures 2 and 3).
2.4 Maintain RC level high enough to prevent DH suction line vortex formation and provide required NPSH. See Section 5. 2.5 During the operation or testing of the DH System, chemical samples should be taken from the cooler discharge and checked in accordance with " Operational Chemical Control Limits", PP 1101.04, Section 4. 2.6 When using the Spent Fuel Pool Cooling and Demineralizer System, or the Makeup and Purification System for purification, care should be taken to prevent overpressurization to the systems (>150 p'sig) and/or high temperatures (>130*F) that may damade demineralizer resins. 2.7 During normal decay heat removal from 280*F to 140*F, tie reactor coolant pressure,must be maintained sufficient 1; above saturation pressure to avoid formation of steam pockets tn the Reactor Coolant System high points which would prevent recirculation through the steam generators. See Enclosure 2.
r B 8 SP 1104.04.21 2.8 When using the Decay Heat System for Spent Fuel Pool cooling 9 '" monitor pool level to maintain level at 601' 6" t 4" (23 feet - 6 inches on LI-1600) as per SP 1104.06, Spent Fuel Pool Cooling and Cleanup Operating Procedure, and do not exceed an indicated flow of 3750 GPM per pump. 21l 2.9 To insure proper emergency operation, decay heat pump suctions must be filled with borated water. The head of water from the BWST will keep the emergency sump lines filled. 2.10 Decay Heat Removal Pumps: 2.10.1 Maximum allowable pump bearing oil temperature (motor end) is 170*F. See CPT T364 (T371) for DH Pump 1-1 (1-2). 2.10.2 Maximum allowable pump bearing oil. temperature (pump end) is 170*F. See CPT T368 (T375) for DH Pump 1-1 (1-2). 2.10.3 Minimum Allowable Flow per DH Pump is 80 GPM. . Minimum Allowable Continuous Flow per DH Pump is 80 SPe. 2.10.4 Maximum allowable flow per DH pump is 4000 GPM. 73
;,*)
2.10.5 When operating the pumps a high flow alarm (FAH-600 or FAH-595) will annunciate at 3750 gym. At this peint, the flow should be throttled (DH 14A and/or DH14B) to 31 l 3000 GPM to limit the flow thru the DH cooler when on decay heat. When on LPI from BWST no throttling should be done since mechanical stops have been installed. 2.11 Decay Heat Removal Pump Motors: 2.11.1 Maximum allowable outboard and pump end bearing oil temperature is 190*F. See CPT T365, T366 (T372, T373) for DH Pump 1-1 (1-2). 2.11.2 Maximum allowable stator temperature is 266*F. See CPT T367 (C374) for DH Pump 1-1 (1-2). 2.11.3 Maximum time for locked rotor, without damage at 100% voltage is 12 seconds. 2.11.4 Number of allowed successive starts with motor initially at ambient temperature is two starts. Number of allowed successive starts with motor initially at rated temperature is one start.
4 9 SP 1104.04.16 kJ,) NOTE: An inte rval of five minutes with motor runnin:: or not running must elapse before an additional start. i 2.12 Decay Heat Removal Coolers: 2.12.1 Cooling water flow (shell side) to each DH Cooler is limited to a maximum of 6000 GPM. This is accomplished by the restricting orifices RO 3979 and RO 3980. 2.12.2 Maximum allowable tube side flow per cooler is 4000 GPM with no instrument error allowed. Throttle to 3000 GPM using DH14A &nd/or DH14B for decay beat operation. 2.12.3 Decrease in the cooler heat transfer indicates fouling and is cause to initiate cleaning. 2.12.4 Before initiating flow on either side of the cooler, both sides must be filled and vented, including connecting piping (preferably by gravity flow). - 2.13 The following is an explanation of the controls for the Decay Heat Cooler 1-1 (1-2) Outlet Valve DH14B (DH14A). 77 2.13.1 Upon receipt of SEAS signal SA 311 (SA 312) or upon bi ,%/ receiving an "0 PEN" signal from HIS DH 14B (DH 14A) located on Safety Features Actuation Panel C 5717, the valve will travel to its full open position and remain there. 2.13.2 In order for the operator to manually throttle the Decay Heat Cooler 1 (1-2) Outlet Valve DH 14B (DH 14A), he must perform the following:
- 1. Ensure that the setpoint of the Decay Heat Cooler 1-1 (1-2) Outlet Flow Controller HIC DH 14B (DH 14A), located on the RC Makeup and Pressurizer Control Console (C5704), is set at the disired setpoint.
- 2. If the Decay Heat Cooler 1-1 (1-2) Outlet Valve DH 14B (DH 14A) was automatically opened by SFAS signal SA 311 (SA 312), depress the " BLOCK" pushbutton on HIS DH 14B (DH 14A). If there was no tripping of the valve by the SFAS, proceed to Step 3.
s
10 SP 1104.04.19 19 3. Depress the "AUT0" pushbutton on HIS DH 14B (DH 14A). The valve will close to the position specified by the setpoint of the Decay Heat Cooler 1-1 (1-2) Outlet Flow Controller HIC DH 14B (Dd 14A).
- 4. The position of Decay Heat Cooler 1-1 (1-2)
Outlet Valve DH 14B (DH 14A) can now be manually throttled if needed by adjusting the setpoint of the Decay Heat Cooler 1-1 (1-2) Outlet Flow Controller HIC DH 14B (DH 14A). 2.14 The following is an explanation of the controls for the Decay Heat Cooler 1-1 (1-2) Bypass Valve DH 13B (DH 13A). 2.14.1 Upon receipt of SFAS signal SA 311 (SA 312) or upon receiving a "CLOSE" signal from HIS-DH 13B (DH 13A) located on Safety Features Actuation Panel C5717, the valve will travel to its full closed position and remain there. , 2.14.2 In order for the operator to manually throttle the Decay Heat Cooler 1-1 (1-2) Bypass Valve DH 13B (DH 13A), he must perform the following:
- 1. Ensure that the setpoint of the Decay Heat Cooler .D 1-1 (1-2) Bypass Flow Controller HIC DH 13B (DH 'M 13A) located on the RC Makeup andPressurizer Control Console (C5704) is set at the desired setpoint.
- 2. If the Decay Heat Cooler 1-1 (1-2) Bypass Valve DH 13B (DH 13A) was automatically closed by SFAS signal SA 311 (SA 312) depress the " BLOCK" pushbutton on HIS-DH 13B (DH 13A). If there was no tripping of the valve by the SFAS, proceed to Step 3.
- 3. Depress the "0 PEN" pushbutton on HIS-DH 13B (DH 13A). The valve will open to the position specified by the setpoint of the Decay Heat Cooler 1-1 (1-2) Bypass Flow Controller HIC-DH 13B (DH 13A).
- 4. The Decay Heat Cooler 1-1 (1-2) Outlet Valve DH 13B (DH 13A) can now be manually throttled if needed by adjusting the setpoint of the Decay Heat Cooler 1-1 (1-2) Bypass Flow Controller HIC-DH 13B (DH 13A).
S . 4 11 SP 1104.04.20 2.15 Whenever the Low Pressure Injection System is inoperable because ( "3
,2 of failure, repair work in progress or routine maintenance on the system, the operator is to turn IL 4804 "LPI SYS" on using RS 4804 on Panel C5717. This light is to remain illuminated as long as the system is inoperable.
20 2.16 In Modes 4 or 5 with the decay heat suction line relief valve PSV4849 not operable:
- 1) The capability of both high pressure injection (HPI) pumps to inject water into the reactor coolant system must be disabled. This is done by racking out the pump breakers and placing an information tag on them.
- 2) The automatic transfer of makeup pump suction to the borated water storage tank on low makeup tank level must be disabled. This could be done by positioning MU3971 to the NU tank and de-energizing it. An information tag should then be placed on the valve and breaker.
- 3) Makeup tank level is reduced to 173 inches, and the RCS .
pressure and pressurizer level is reduced to within the acceptable region of Figure 3.4.2-a (Mode 4) and Figure 3.4.2-b (Mode 5) of Technical Specifications.
,. 2.17 Isolation switch DH 1A-2 (DH 18-2) must be used to disconnect i the control power to the isolation valve DH1A (DH18) and the
(#
'~ valve must be open during normal operation.
2.18 Whenever the D.H. crossover line is used, the suction valve to the disabled pump must be closed to prevent overpressurization of the pump suction and lifting of relief valves DH 1508 or DH 1509. 80 2.19 While in Modes 4 and 5, isolation valves DH11 and DH12 should be open with control power removed from their valve operators; or valves DH21 and DH23 are open. During unit startup and power operation control power is also removed from DH11 and DH12. 2.20 Whenever the waterproof seal is broken on the pit for DH11 and DH12, ST 5051.07, "DH Valve Pit Leak Test" must be tun. This test requires sealing the vent on the pit which cannot be done during power operation. Therefore, the plant must be shutdown before the seal is broken. Also, the applicable portion of PT 5186.01 must be completed prior to closing the DH valve pit. 2.21 When changing flowpaths from recirculating the B.W.S.T. to recirculating the R.C.S., care must be taken to avoid inadvertent flowpaths from a pressurized R.C.S. to the discharge back to the B.W.S.T. After the recirculation of the B.W.S.T. is completed, h W-----
I 12 SP 1104.04.20
-N !
the discharge to the B.W.S.T. DN65 (DN66) and DN68 should be a e closed before further valve position changes are made. + 2.22 Whenever possible prior to the removal of both D.N. pumps from service, the operability of both D.M. strings should be confirmed. Therefore, with only one D.N. string operable, no actions should be takes to remove the lose operable pump from service if possible. 7 2.23 Menever possible prior to removing the DN system from service l with the RCS filled and pressure boundary intact, (Modes 4 & 5), : the following should be accomplished in addition to Step 2.22. 2.23.1 A water level of at least 10 feet maintained in the secondary side of each stone generator. 2.23.2 Main condenser la operation with a vacuum of at least 1 25" Ms. 2.23.3 All condenser dump valves in the full open position. 2.23.4 RCS pressure maintained above 200 psig using pressuriser heaters. 2.24 Wenever possible prior to removing the DN System from service with the RV head removed and the refueltas canal filled (Mode 3 ; 6), the following should be accomplished La addition to 2.22: Q) ) 2.24.1 Provisions should be made to monitor the temperature of the water above the reactor vessel. 2.24.2 The rate of toeperature lacrease of the refueling canal should be sonttored to allow adequate time to > j restore cooling prior to reaching saturation temperature. 20 2.25 At least one decay heat removal loop shall be in operation la Mode 6 when the water level above the top of the irradisted fuel assemblies seated within the reactor pressure vessel is l 123 feet. Two independent decay heat removat loops shall be operable when this level is less than 23 feet. ! 2.26 Whenever possible, the DN System should E be removed froe service with the RCS partially or fully drained. l 2.27 The DN System is required to circulate the RCS in Modes 3, 4 or l 5 whenever the RC Pumps are not in operation. However, all reactor coolant pumps and decay heat removat train pumps may be de-energized for up to one hour to accommodate decay heat ; removal pump switching operations, surveillance testing, and pre-operational testing, provided no operations are pareitted j which could cause dilution of tne reactor coolant systee boron 1 l
l l 13 SP 1104.04.20 20 concentration and core outlet temperature is maintained at l least 10*F below saturation temperature. . 2.28 If an SFAS actuation occurs, the following requirements apply 2.28.1 DO NOT OVERRIDE ANY SAFETY EQUIPMENT EXCEPT AS LISTED BELOWS
- 1. Decay Heat (DH) Cooler Outlet Valves - The DH cooler outlet valves may be throttled in the event of a failure of one DH pump which then requires the remaining pump feed through both Low Pressure Injection (LPI) lines.
- 2. IT PLANT CONDITIONS ARE STABLE AT NORMAL OPERATING OR HOT STANDBY CONDITIONS AFTER A TRANSIENT WITH NO EVIDENCE OF AN RCS LEAK, SYSTEMS MAY BE BYPASSED WITH THE SHIFT FOREMAN'S PERMISSION.
- 3. IF THERE ARE ANY QUESTIONABLE CONDITIONS OR ANY
- SIGN OF AN RCS LEAX, NO SAFETY SYSTEM SHOULD BE BYPASSED WITHOUT APPROVAL OF STATION MANAGEMENT '
(STATION SUPERINTENDENT OR DESIGNEE).
- 2.28.2 If an STAS signal to some ESF equipment is " Blocked"
((',, (i.e. overridden), that equipeent is incapable of responding to either any subsequent automatic actuation signal or the SFAS system-level manual, actuate (" Trip") pushbuttons on Panel C5717. Before an operator " Blocks" any SFAS signal, he must assure that the safety function of that equipment is no longer needed. Af terward the operator is totally responsible for the proper operation of that equipment, including reactuation if required, until the " Block" is removed. Reactuation, subsequent to a " Block", can be accomplished two ways. First, at the equipment level, " Blocked" equipment will respond to the individual control switches for that piece of equipment. Second at the SFAS system level, operation of the system level
" Reset" pushbutton on Panel C5717 will clear any output logic blocks in the system (output logic
" Blocks" are the block switches next to the sam lights and on the output modules). The equipment will then respond to the system level manual, actuate (" Trip")
pushbutton and to automatic actuation signals. For guidance on resetting the STAS af ter a real or erroneous trip see Section 4 of EP 1202.06, Loss of RC and RC Pressure.
/
14 SP 1104.04.17 2.29 DURING THE PERFORMANCE OF SOME PORTIONS OF THE SP, THE TRAIN FOR l "; WHICH THE SP IS BEING PERFORMED WILL NOT PERFORM ITS SAFETY FUNCTION. IF THE SYSTEM IS NEEDED FOR SAFETY FUNCTIONS, IT IS THE RESPONSIBILITY OF THE OPERATOR PERFORMING THE PROCEDURE TO RESTORE THE SYSTEM TO NORMAL.
- 3. REFERENCES 3.1 Technical Specifications, Sections 3.5. 2, 3.5.3, 3.5.4, 3.9.8, 4.3.9.1, 3.1.2.5, 3.1.1.2, 3.4.8, and 3.4.1 3.2 NSSS Limits and Precautions, PP 1101.01 3.3 NSSS Setpoints, PP 1101.02, Section 3 3.4 Plant Shutdown and Cooldown, PP 1102.10 3.5 Plant Startup, PP 1102.02 3.o Decay Heat Removal by the Steam Generators, SP 1102.13 3.7 Nuclear Chemical Addition System Operating Procedure, SP 1104.03
- 3.8 Draining and Nitrogen Blanketing of the Reactor Coolant System Procedure, SP 1103.11 3.9 Safety Features Actuation System Procedure, SP 1105.03 ,' ')
3.10 Fill and Drain and Purification of the Refueling Canal, SP 1102.15 3.11 High Pressure Injection System Operating Procedure, SP 1104.07 3.12 Makeup and Purification System Operating Procedure, SP 1104.02 3.13 Operational Chemical Control Limits, PP 1101.04, Section 4 3.14 Component Cooling Water System Procedure, SP 1104.12 3.15 Spent Fuel Pool Cooling System Procedure SP 1104.06 3.16 Decay Heat Removal System and Emergency Core Cooling System P&ID
- Bechtel Drawing M-033 3.17 Makeup and Purification System P&ID - Bechtel Drawing M-031 3.18 Spent Fuel Pool Cooling System P&ID - Bechtel Drawing M-035 3.19 Davis-Besse Unit 1 FSAR - Section 6.3, 9.3.5, 17.2, Questions and Answers, 6.33, and Regulatory Positions 5.5.1, 6.3.1, 6.3.2, 6.3.3, 7.6.1, 7.6.3, 10-1, 12-1
15 SP 1104.04.21 m
'81 3.20 TED NQAM 3.21 D.H. Valve Pit Leak Test, ST 5151.07 3.22 Loss of RC and RC Flow, EP 1202.06, 3.23 Pressurizer Operation, SP 1103.05
- 4. DECAY HEAT REMOVAL DURING REACTOR COOLANT SYSTEM C00LDOWN No operator sign off is required for Section 4.
4.1 Prerequisites 4.1.1 The plant has been shutdown in accordance with PP 1102.10, " Plant Shutdown and Cooldown," and cooldown is in progress utilizing the steam generators as heat sinks per SP 1102.13, " Decay Heat Removal by the Steam Generator". 4.1.2 Component cooling water flow has been established in . the header supplying the decay heat pumps and decay heat coolers in accordance with the Component Cooling Water Operating Procedure, SP 1104.12.
,-~s 4.1.3 Power is available to the Decay Heat Pumps and all
(."' ! controls and instrumentation associated with the Decay Heat System are functional. See Attachment No. 1. 4.1.4 Reactor Coolant System temperature is less than 280*F and RCS pressure is less than 266 psig as read on PIRC2A6. NOTE: DH11 is interlocked and cannot be operated j/ above 301 psig as read on PIRC2A6. DH12 is interlocked and cannot be operated above 266 psig as read on PIRCIA6. See Step 2.2. 4.1.5 The DH System is in the Normal Lineup Mode per Section 13 of this procedure and SFAS blocked. 4.1.6 Pressurizer filled to a high level (approximately 290") to reduce the amount of water to be added to the system during cooldown. 4.2 Procedure 4.2.1 Shut DH pump suction valves from the BWST or Emergency Sump DH 2733 and DH 2734 from Control Room Panel C5717 using switches HIS 2733 and HIS 2734 and open DH pump suction valves from the RC System, DH 1517 and DH 1518 from Control Room Panel C 5704 using switches HIS 1517
D 8 16 SP 1104.04.20 and HIS 1518. To prevent an inadvertent transfer of *
- I water, close DH10 and DH26.
20 4.2.2 Close BF1130 (Fila) for DH11 and BE1183 (E11B) for DH 12. When Reactor Coolant System temperature reaches ' 280'F, open the RC loop normal cooldown isolation valves to DH pump suction DH 11 and DH 12 from Control Room Panel C5704 using switches HIS-DH11 and HIS-DH12. 4.2.3 Remove Control Power from DH 11 and DH 12 at C 5704 using HIS DH 11A and HIS DH 12A. Note that DH 11 (DH
- 12) is interlocked and cannot be operated above an RCS pressure of 331 (296) psig at the D.H. centerline or 301 (266) psig as indicated on PIRC2A6. ;
NOTE: The pressurizer heater circuit is inter- , locked to prevent energization of pres-sure heaters if either DH11 or DH12 is not closed and RCS pressure is above the setpoint i for the autoclosure of DH11, 331 psig at the centerline of DH11 and DH12 (301 psig as . read on PIRC2A6). See SP 1103.05, Pressurizer l Operation System Procedure for details on the pressurizer heater interlock. 4.2.4 Perform decay heat removal pump 1-1 and/or 1-2 checkoff Jg ; list, Enclosure 7 of this procedure. '.jjf 4.2.5 Establish component cooling water through DH Cooler . 1-1 and/or 1-2 by opening DH Cooler 1-1 (1-2) CCW i outlet isolation valve CC 1467 (CC 1469). Use Control Room switch HIS1467 (HIS1469) located on Panel C5716 (Engineered Safety Features Panel). 4.2.6 Start decay heat pumps 1-1 and/or 1-2 as desired from the Control Room on Panel C5716 using switch HIS-DH6B and/or HIS-DH6A and ensure that flow has been established as indicated on FI DH2B or FI DH2A on Panel C5716. 6 NOTE: See Steps 2.22 through 2.26 for special limitations on removal of both D.H. pumps from service. 4.2.7 Position Decay Heat Cooler outlet valves DH 14A and B, and decay heat cooler bypass valves DH 13A and B, to prevent pump runout (>4000 gpe/ pump), an( control cooldown rates. Monitor DH Pump 1-1 and 1-2 suction temperature to regulate cooldown rate, t se TI-DH8B and ; TI-DH8A. t
17 SP 1104.04.19
.~) 19 Open sample valves for the D.H. Train just put in service. DH 59* for Cooler 1-1 or DH60* for Cooler I
1-2. Inform C&HP that D.H. cooler sample source i valve has been opened. 4.2.8 To add borated water to the RCS through the DH System from the BWST proceed as follows: la Stop DH Pump 1-1 (1-2) using HIS DH68 (HIS DH6A) l located on C5716 (ESF Panel).
- 2. Close DH148 and DR138 (DH14A and DH13A) DH Clr 1-1 (1-2) outlet and bypass valves using HIC DH14B and HIC DH13B (DH14A and DH13A) located on C5704 (left console). i
- 3. Close DH1517 and DH10 (DH1518 and DH26) DH Pump 1-1 (1-2) suction valve from RCS and the bypass, using HIS 1517 (HIS 1518) located on C5704 (left console).
- 4. Open DH2733 (DK2734) DH Pump 1-1 (1-2) suction valve from BWST using HIS 2733 (HIS 2734) located on C5717 ,
(ESF Panel).
- 5. Open DH7B (DH7A), BWST outlet isolation valve, using HIS DH7B (HIS DH7A) located on C5716 (ESF Panel).
l rN I (j y 6. Start DE Pump 1-1 (1-2) using HIS DH6B (HIS DH6A).
- 7. Open DH138 (DH13A) slowly using HIC DH10. , H13A) and throttle to add the desired amount of water to the RCS.
- 8. ~Af ter completing the addition, stop DH Pump 1-1 (1-2) and leave system lined up for possible future additions, or change system as directed by the Shift Supervisor.
4.2.9 To terminate decay heat removal, stop DH Pump 1-1 and/or 1-2 using Control Room hand switches HIS-DH6B l l and/or HIS-DH6A. Leave the DH System lined up so that the system can be put back in operation as desired by just restarting DH Pump 1-1 and/or 1-2. l 4.2.10 If the running DH Pump suction pressure is less than about 85 to 90 psig, borated water from the BWST can be adied to the RCS using the BWST Recirc Pump via the Decay Heat ? ump suction. This method cannot be used ! if the Spent Fuel Pool System is in operation or if the Decay .ient System is lined up through the Spent Fuel Pool Purification System for coolant purification. 19
- Controlled as per AD 1839.02 8 ,
h E
18 SP 1104.04.15 m
- 1. Close and tag with a "Do Not Operate" tag PW35 Primary .
Water to the BW Recire Pep Suct and DW70 Demin Water to the BW Recirc Pmp Suct :o prevent an inadvertent dilution of the RCS.
- 2. If the BW Recire Pmp is on, turn it off.
- 3. Perform Valve Verification List B. Perform all valves which require a close position prior to repositioning any valves requiring an open position.
- 4. Open BWST Recire. Pump to SFP purification valve BW16 one turn and start the BWST Recire. Pump.
- 5. Now throttle open BW16 to get as much flow as possible but keeping the BW Recirc Pop Disch Press as indicated on PI1614 above 65 psig. This puts the BWST on recirc through the SFP Purification System bypassing the STP Purification Demin to assure proper boron concentration in the lines prior to adding to the RCS.
- 6. After running in this manner for at least one half hour, shutdown the BW Recirc Pop.
- 7. Close SF98, SFP Cleanup Sys to BWST Viv.
- 8. If DH Pop 1-1 is on, recirculating the RCS, open DH29, ,', ,;)
DH Fsp 1-1 Suct from SFP Purif Viv. If DH Pop 1-2 is on, recirculating the RCS, open DH28, DH Pop 1-2 Suct from $FP Purif Viv. NOTE: Only one of these valves is to be opened at any one time.
- 9. Establish communications between the Control Room and the operator at the BW Recirc Pop. Throttle BW 16 to one turn open and start the BW Recire Pop. The Reactor Operator will monitor the Prze Level.
- 10. Open BW16 to get the desired flow rate indicated on FIS1616 SFP Purif Flow Ind Sw. normally about 80-100 spe. The time to fill the Przr to the desired level should be timed for a quick double check on water added to the RCS.
- 11. When the desired Prze Level is reached, stop the DW Rectre Pop and close BW16 DH28 or DH29 depending on which was opened, and ST2656.
- 12. Notify Chem Lab that borated water trom the BWST was added to the RCS. Do Not Operate tags can be removed from DW70 and PW35.
19 SP 1104.04.16 r, s
- \; ,, / 4.2.11 To shift from the operating DH Pump to the idle DH Pump (which is assumed to be in a standby lineup to l recirc the RCS) proceed as follows:
l
- 1. Perfore the Decay Heat Pump Pre Startup, Checklist, Enclosure 7 of this procedure, for the DH Pump to be started.
- 2. Establish corponent cooling water flow through the DH cooler to be put inservice by opening the CCW outlet isolation valve, CC1467 for cooler 1-1 or CC1469 for cooler 1-2 using switches HIS 1467 or HIS 1469.
- 3. If the Spent Fuel Pool Purification System is in use, perform Valve Lineup List B to stop purification flow from the DH loop being taken out of sarvice, then perform Valve Lineup List A to line up the STP Purifica-tion to the DH Loop being put in service.
- 4. If the Nakeup and Purification System is in use, shift it to the DH loop being put in service as follows: ,
16 4.1 Close DH62* (or DH61*), for the DH loop being removed from service. 4.2 Open DH33* (or DH32*) to line up to tha DH h, j, loop being put in service.
- 5. Switch the DH Pumps by performing the following:
S.1 Press the "AUT0" on the DH Cooler Outlet & Bypass Valves for the DHR Train to be started. Insure both of these valves are closed or close them using their hand con-tro11ers. 5.2 Verify the control power is removed from DH11 and DH12 or that DH21 sud DH23 are open. Make appropriate entry of verification in the R0 Log.
$.3 Start the DH Pump to be put in service.
5.4 Start increasing flow on the DKR Train being put in service using the DH Cnoter Outlet and/or Dypass Valves. When a flow increase is seen on the DKH Train being put in ser= vice, start reducing flow oc the DHR Train being taken oct of service until both the DH Cooler Outlet and Bypass Valves for this train are closed. Do gol allow the total DH flow to go below 2800 spm.
- Controlled as per AD 1839.02 I
20 SP 1104.04.21 5.5 Stop the DH Pump being removed from service. 5.6 If desired place the idle DHR train in standby by opening the DH Cooler Outlet Valve and verifying its position within 4 hours. 21l
- 6. Close DH 32* (or DH33*) to isolate the DH loop being removed from service. (If valve was open for Boric Acid flowpath or for MU & Purification System use.)
- 7. Control MU & Purification Systes Flow between 25-70 spm, and less than or equal to 150 psis by throttling DH61* (or DH62*) and monitoring flow on Control Room indicator FI-HU7 or computer point F719, and pressure '
on computer point P719. Maintain temperature <1J0*F.
- 8. Control cooling and decay heat removal flow by throttling the Decay Heat Cooler Discharge Valve DH148 (or DH14A), and cooler bypass valve DH138 (or DH13A). ,
- 9. Stop CCW flow through the DH cooler taken out of service by closing CC 1467 for cooler 1-1, or CC 1469 for cooler 1-2.
Section 4 Completed Date *
)
- 5. DECAY NEAT REMOVAI, Dtl RING RCS COMPONENT REPAIR There are five maintenance water levels to repair RCS components.
They are Distance Above 36" Cg, Coeponents
- 1) 56' Pressurizer Relief Removal Hot Les RTD Thermowell Removal
- 2) 25' Pressurizer Heater Removat
- 3) 18" 2 2" 0TSO Lower Tube Sheet Plugging RCP Internals Removal
- 4) 14" 2 2" CF Check Valve Repair
- 5) 11" 2 2" Cold Les RfD Thermowell Reroval The first two do not present any problems with DH Pump NPSH or vortexins. The next two are at much lower water levels and bith pump NPSH and cavstation from vortexing require careful pump o.servation.
The last maintenance water level was not adequate for even 400 GPM decay heat flow during preoperational testing and consideration should be given to core removal it decay heat cannot be secured.
- Controlled as per AD 1839.02
9 21 SP 1104.04.18 Enclosures 4 and 5 are provided for guidance while operating DH at low water levels. Enclosure 4 shows the minimum suction pressure that should be maintained on the suction gage. This was derived from taking the B&W Pump Curve and modifying it with vapor pres-sure to provide a low pressure limit for the established flowrate and RC temperature at the time of the maintenance. This is only a guide. As long as the pump performance for the flowrate is con-sistent with the pump curve and no unusual noise or discharge pressure variation is observed, pump operation can continue. , Enclosure 5 can be used to estimate the total decay heat flow vs. reactor water level. It is believed vortexing is the major restraint when below 18". This enclosure is only a guide to show what flowrate was possible at various levels during preoperational testing. Technical Specifications must also be considered. Technical Specification 3.9.8 requires at least one decay heat pump to be in (TS) operation circulating reactor coolant at >2,800 GPM while in Mode 6. Technical Specification 3.4.1 requires at least one reactor coolant pump or decay heat pump in operation while in Modes 3, 4 and 5. Preoperational testing results show 2800 CPM may be just reached at . 18" and probably is not possible at 14" or 11". Therefore, if this work is desired to be performed in Mode 6, a Technical Specification change may be required. This procedure will consist of Step 1: Lower RCS temperature to maintain level Step 2: Throttle DH flow to maintain desired temperature l l Step 3: While dividing flow evenly between DH Pumps, lower water level. Throttle the DH flow but maintain RCS tempera-ture constant. This may require waiting to allow the core decay heat to be reduced to the amount that can be handled by the flowrate possible at the required water level. No operator sign of f is required for Section 5. 5.1 Prerequisites S.I.1 Reactor coolant level instrumentation LI 214 is in service by opening valves RC214A, RC214B and RC214C, or TYGON tubing is installed to monitor level. 18 S.I.2 Normal Decay Heat Removat has been established for one DH Pump per Section 4 of this procedure.
22 SP 1104.04.18 If the D.H. system is recirculating a partially drained RCS with a suction through the bypass line (through DH22 and DH23), do NOT increase flow 18 above 4000 GPM. The flowpath through the smaller bypass line does not provide adequate NPSH to allow for the D.H. pump operation. 5.2 Procedure (TS 5.2.1 If C&HP determine that the coolant activity is 3.4.8) excessive (11.0 pCi/ gram dose equivalent I-131 or 1100/EpCi/ gram) purify per Section 6 of this procedure. 5.2.2 Lower RCS temperature to 140' (or other c'2osen RCS repair temperature) following Section 4 of this procedure. 5.2.3 Throttle the DH Pump in operation while monitoring RCS temperature. The DH Pump suction temperature indicators TIDH8B and A are the best indication of RCS temperatures. If during the throttling, the DH suction temperature rises, increase DH flow to return the RCS to the desired temperature. Do not throttle to allow a decay heat flow of less than 2800 gpm.
'\
5.2.4 Lower RCS water level slowly. If RCS level is reduced "/. to less than 36" above the centerline of the hot leg outlet, then locally observe suction and discharge pressure on decay heat purp. Use Enclosure 4 for a guide on minimum suction pressure. 5.2.5 Throttle the Dl! Pump as necessary to maintain proper suction pressure. If RCS temperature increases, the reduction of level may have to be stopped to allow the l core decay heat to reduce to the amount that can be handled by the flowrate possible at the required water level. Use Enclosure 5 for guidance. CAUTION: Technical Specifications may not allow flow reduction. See Section 5. 5.2.6 At this low a water level and flow rate vortexing is more restrictive than NPSH. The other decay heat pump should be lined up to supply low pressure injection from the BWST if the pump in operation should fail and could not be reestablished prior to core heatup. Water from the BWST should be added to assure decay heat letdown can be established.
23 SP 1104.n4.15 (3,f' NOTE: Since maintenance will probably be accomplished at a low RCS temperature, the DH System may be throttled thus minimizing the possibility i of vortexing. If suction is lost due to air I entrainment, the decay heat pump may be momentarily secured and the line vented with the high point vent valve DH 173. Also, the DH Pump suction valve from the BWST (DH2733 or DH2734) must be opened to allow back flow through the suction from the BWST and out of the high point vent. 5.2.7 Once the desired water level is established, maintenance can proceed to remove the component. 5.2.8 As soon as maintenance work is completed, raise the water level to at least 36" above the centerline of the hot leg outlet. When possible, refill the RCS and
=
return to normal decay heat removal.
- 6. DECAY KEAT REMOVAL COOLANT PURIFICATION .
The Spent Fuel Pool Cleanup System or the Makeup and Purification (MU) System filters and demineralizers are used to purify the reactor coolant when the Decay Heat System is in use by directing a portion of the coolant through the demineralizers. (q%, -3 No operator signoff is required for Section 6. 6.1 Prerequisites 6.1.1 Makeup and Purification system'is shutdown in accordance with Section 7 (Shutdown and Makeup and Purification System) of SP 1104.02, " Makeup and Purification System"; or the SFPL cleanup system is available and lined up normally in accordance with Valve Verification List A of SP 1104.06, "SFP Cooling System Operational Procedure". 6.1.2 Decay heat removal has been established as per Section 4 of this procedure, and the decay heat cooler outlet temperature is below 130*F. RCS pressure <100 psig. 6.2 Procedure 6.2.1 Purification via the spent fuel pool cleanup system. l
- 1. Complete Valve Lineup List A, " Coolant Purification l Via SFP Cleanup System," of this procedure. This will '
establish purification flow.
~-
l
24 SP 1104.04.15 i 1
- 2. Control flow at 100 gpm, and at a pressure less than 7)%
f 100 psig in the spent fuel pool cleanup system by l throttling the decay heat system discharge valve DH 61 I (DH 62) and monitor purification flow locally on FIS-1616 and pressure on PI-1634. 15 NOTE: Continue to monitor and maintain temp
<130*F. PSV DH2797 is set at 125 psig. Do not exceed 100 psig.
- 3. Control cooling and decay heat removal flow by throttling decay heat cooler discharge DH 14B (DH14A) and cooler bypass valve DH 13B (DH 13A).
- 4. Stop purification flow by completing Valve Lineup List B, " Post Purification Lineup - SFP Cleanup System," of this procedure.
6.2.2 Purification via the Makeup and Purification System. NOTE: Observe limits of PP 1101.01, Section 2.5.1, . Purification Demineralizer.
- 1. Complete Valve Lineup List C, " Coolant Purification Via MU Purification System," of this procedure. This will establish purification flow. ;
.a :)
- 2. Control flow (between 25-70 GPM) and pressure ($150 psig) in the MU & P System by throttling the Decay Heat System discharge to MU & P system valves DH 61 i (DH 62). Monitor purification flow using control room ;
indicator FI-MU7 or computer point F719, and pressure using computer point P719.
- 3. Control cooling and decay heat removal flow by throttling Decay Heat Cooler Discharge Valve DH 14B (DH 14A) and cooler bypass valve DH 13B (DH 13A). Monitor acd maintain temperature 1130*F.
- 4. When using purification demineralizer 1-1 (1-2) and it has to be removed from service, put the other purification demineralizer 1-2 (1-1) in service by opening inlet valve MU 10B (MU 10A) and close MU 10A (MU 10B).
NOTE: If it is desired to cleanup the RCS faster both purification demineralizers can be placed in service. Maintain the flow <140 gpm. The cation bed can also be placed in service when instructed by C&HP section. l I r
e 25 SP 1104.04.15 (3
',. 5. Stop purification flow by completing Valve Lineup List D, " Post Coolant Purification Lineup - MU Purification l
System," of this procedure. ! NOTE: The Boric Acid flowpath from the BAAT to DH I Suction is isolated by Valve Lineup List D.
- 7. DECAY HEAT REMOVAL DURING REFUELING The normel decay heat removal lineup will be ased throughout a refueling outage with the exception of filling and draining the l refueling canal. Other minor exceptions to the normal lineup including l purification of the reactor coolant or operation with a low RCS l level.
For procedure on filling and draining the refueling canal, see SP 1102.15, " Filling and Draining the Refueling Canal." No operator sign off is required for Section 7. 7.1 Prerequisites 7.1.1 The Decay Heat System is arranged for normal Decay Heat removal as per Section 4 of this procedure. m
) 7.2 Procedure 7.2.1 Operate the Decay Heat Removal System to obtain or control the desired coolant temperature as specified in Section 4 of this procedure.
- 8. DECAY HEAT REMOVAL DURING REACTOR HEATUP No operator sign off is required for Section 8.
8.1 Prerequisites 8.1.1 Decay Heat Removal System lineup and operating in accordance with Section 4 of this procedure. 8.1.2 Refueling or maintenance requiring plant shutdown is complete. 8.2 Procedure 8.2.1 Decay heat removal may be reduced by bypassing decay heat cooler 1-1 (1-2) through valves DH 13B (DH 13A).
26 SP 1104.04.20 ,s
.-)
8.2.2 Stop the decay heat pumps after an RCP has been L/ started as per Plant Startup Procedure, PP 1102.02. 8.2.3 Line up the Decay Heat Removal System for normal lineup to provide LPI as per Section 13 of this procedure except DH 11 and DH12 which cannot be closed 20 l until RCS temperature exceeds 280*F. NOTE: DH11 (DH12) are interlocked and cannot be operated above an RCS pressure of 331 (296) psig at the D.H. centerline or 301 (266) psig as indicated on PIRC2A6.
- 9. LOW PRESSURE INJECTION FROM THE BORATED WATER STORAGE TANK No operator signoff is required for Section 9.
9.1.1 The Decay Heat Removal System is lined up per Valve Verification List A of this procedure. 9.1.2 A Safety Features Actuation System Incident Level #3 - 20 l signal is present from low reactor pressure of 450 psig or high containment vessel pressure of 18.4 psig. 9.2 Procedure _ 9.2.1 On receipt of a Safety Features Actuation Signal, S)' verify the following (use the indicating lights on the associated HIS):
- 1. Decay Heat System discharge to the RCS valves DHIA and DHIB are open as indicated HIS DHIA and HIS DH1B, respectively. Both switches are located on Control Room panel C5716.
- 2. Decay Heat Pumps 1-1 and 1-2 have started as indicated on HIS DH6B and HIS DH6A, respectively. These switches are located on Control Room panel C5716.
- 3. Decay Heat Cooler discharge valves DH14B and DH14A are open as indicated on HIC DH14A and HIC DH14B, respectively.
These controllers are located on Control Room panel C5704.
- 4. Decay Heat Cooler Bypass Valves DH13A and DH13B are closed as indicated on HIC DH13A and HIC DH13B, respectively. These controlers are located on Control Room panel C5704.
27 SP 1104.04.15
, ~.)
- 5. Borated Water Storage Tank outlet valves DH7A and DH7B are open as indicated on HIS DH7A and HIS DH7B, respectively. These switches are located on Control Room panel C5716.
- 6. Component Cooling Water Outlet from Decay Heat Cooler Valves, CC1467 and CC1469 are open as indicated on HIS
. 1467 and HIS 1469, respectively. These switches are located on Control Room panel C5716. _ _7 . Decay Heat Pump 1-1 and 1-2 suction valves DH2733 and DH2734 are open as indicated on HIS 2733 and HIS 2734, respectively. These switches are located on Control Room panel C5717. 9.2.2 The flow rate of low pressure injection system will depend on the RCS pressure and the position of the DH cooler outlet valves DH14A and DH14B. The DH pumps 15 are started and the valves opened at 450 psig (RCS pressure). However, there will not be any flow into the RCS at this point. When the RCS pressure drops to . approximately 215 psig, then LPI flow will start and continue to increase as the RCS pressure decreases. No throttling of the DH pumps should be done. ('i)# NOTE: If one DH pump is disabled, close the suction valve on the disabled pump and then open the cross-connect isolation valve next to the line with the higher flow. Open DH System cross-connect valve DH 831 (DH 830) when Dh Pump 1-1 (1-2) line flow is higher. Then balance the flow to 1500 gpm per line by adjusting the flow control valves DH 14A and DH 14B. If no air is available to DH 14A and DH 14B, the DH injection valve DH1B (DHIA) can be throttled under emergency conditions. This motor operated valve only moves while control switch is held.
- 10. RECIRCULATION FROM THE CONTAINMENT VESSEL EMERGENCY SLHP Following a LOCA, the BWST level will decrease until at the 8 feet level the operator must manually transfer the suction of the DH and CS Pumps to the emergency sump. The operator will open the emergency sump outlet valves DH9A and DH9B which will automatically close the BWST outlet valves DH7A and B. Note that SFAS incident level 5 must
28 SP 1104.04.17 .-
. .s be actuated before the transfer can occur; this requires any two channels of SFAS logic to reach the low level setpoint of 8 feet.
The annunciator "BWST LOLO LVL, XFER TO EMER SUMP" will indicate that the incident level 5 logic has been actuated and that the transfer is possible. The annunciator does not meet safety grade specifications however and therefore must NOT be relied upon to indicate the incident level 5 trip. When the 8 feet level is reached (as indicated on LI1525A, B, C, and D), the annunciator should be received and the transfer should be initiated. Considering the worst case instrument tolerances, the SFAS incident level 5 actuation will occur by the 17 time the indicated BWST level reaches 8 feet. If a medium size LOCA exists and one D.H. pump is recirculating the RCS in the DHR mode through DH11 and DH12 per EP 1202.06 " Loss of RC and RC Pressure", the transfer should be completed per the following section with the exception that the suction valve (DH2733 or DH2734) should remain closed on the pump recirculating the RCS. No operator signoff is required for Section 10. 10.1 Prerequisites 10.1.1 Recirculation from the emergency sump is required to supply water to the LPI, HPI (Piggyback), or C.S. Pumps. v y 17 10.1.2 Borated Water Storage Tank water level approaching the low level transfer setpoint (8 feet) as read on LI1525A, B, C, and D. O 10.1.3 The makeup pump will have to be shutdown or operated with its suction aligned to the makeup tank since the 17 supply from the BWST will be lost when DH7B and DH7A are closed. The makeup pump cannot be supplied from the emergency sump and the tank level must be main-tained above 10 inches if pump operation is to continue to avoid an automatic transfer of MU 3971. 10.2 When the BWST level reaches 8 feet, attempt to transfer the suction of the DH and CS Pumps to the emergency sump as described below. Continue the attempts until the transfer is complete. The annunciator "BWST LOLO LVL, XFER TO EMER SUMP" provides assurance to the operator that the transfer can be completed. 10.2.1 Block SFAS incident level 2 on DH9A and DH9B. 10.2.2 Open DH9A and DH9B using HISDH9A and HISDH9B. 17 10.2.3 Verify that DH7A and DH7B start to close as DH9A and DH9B start to open. If an auto closure did not occur, do not manually close DH7B (DH7A) until DH9B (DH9A) is . open.
29 SP 1104.04.17
..' 10.2.4 Verify that the transfer is complete by checking the indicating lights on DH9A and B and DH7A and B and by checking that the low pressure injection flow was not significantly changed.
17 10.2.5 Continue recirculation from the emergency sump to the LPI, HIP (Piggyback), or C.S. pumps as required. NOTE: Long term cooling is covered in EP 1202.06,
" Loss of RC and RC Pressure Emergency Procedure".
- 11. DECAY HEAT SUPPLY OF HIGH PRESSURE INJECTION PUMP SUCTION -
" PIGGYBACK" OPERATION This section specifies the necessary line-ups to supply suction to the HPI pumps from the DH pump discharge. This " piggyback" opera-tion may be required for two reasons; 1) if makeup to the RCS is required at a pressure higher than HPI discharge pressure the additional head of the DH pumps can raise the injection pressure, or; 2) if, in the event of a small RC3 leak, the RCS pressure is greater than the -
discharge pressure of the DH pumps such that HPI is required, and the BWST is nearing its low level setpoint, (8 feet), HPI suction must be supplied from the emergency sump through the DH pumps. The lineup for both of these operations is the same except that the first will use water from the BWST while the second will start with BWST water ( )i ( and switch to the containment emergency sump. 11.1 Prerequisites 11.1.1 Decay heat removal system lineup is normal lineup as per Valve Verification List A of this procedure. i 11.1.2 Either:
- 1. RCS Pressure is too high to achieve 2000 gpm total decay heat flow (FI DH2A, B) and the BWST level is approaching 8 feet, or 17 2. Makeup to the RCS is required at a pressure higher than HPI discharge pressure or additional flow is required.
11.2 Procedure 11.2.1 Start the HPI pump (s) if not already running and open the associated discharge valves HP2A(C) and HP2B(D) for HPI Pump 1-2 (1-1). 4 mW
30 SP 1104.04.17 s 11.2.2 Open the decay heat pump discharge valves to the HPI -? pumps, DH63 (DH64) for HPI pump 1-2 (1-1). 11.2.3 Start DH Pump 1-2 (1-1) and verify HPI pump 1-2 (1-1) flow does not decrease. Leave DH 14A (DH 14B) open and throttle with HP2A(C) and HP2B(D) if necessary. NOTE: The preceding three steps establish the
" piggyback" mode of operation. If this operation is being formed to provide RCS makeup at high pressure, no further action is required until makeup is no longer needed at which time the pumps may be stopped and DH 63 and DH 64 closed. If this operation is the result of an RCS leak and the BWST level is approaching 8 feet, continue with the remaining steps.
11.2.4 Close the high pressure injection pump minimum recircula-tion valves to the BWST. This is to minimize the ^ contamination of the BWST and maintain off site radiation levels as low as possible. NOTE: If, DH 64 (DH 63) and HP 32 (HP 31) are both open, computer alarm Q488 (Q489) will . occur. Close HP 32 (HP 31). ' 3,
- ,2 CAUTION: If the high pressure injection flowrate drops to <35 GPM per pump due to an increase in RCS pressure, stop the high pressure injection pumps 1-1 and 1-2 so as not to damage them.
17 11.2.5 When the BWST level reaches eight feet, transfer pump suction to the emergency sump per Section 10. 11.2.6 When Reactor Coolant Pressure is low enough for the 3 Decay Heat Pumps to discharge directly to the Reactor
- Coolant System at a flow of 2000 gpm, begin Decay Heat System recirculation of the Containment Vessel Emergency Sump as follows:
11.2.6.1 Stop the High Pressure Injection Pumps 1-1 and 1-2 if their flow is not needed. 11.2.6.2 Shut the Decay Heat Pump discharge valves to 17 the High Pressure Injection Pump Suction DH 63 and DH 64. Section 11 Completed Eate e-- - --
- - - . - , - - , , , re , - - . - , , . - . . - - - . -- - - - , -
n - - -- - - - -
31 SP 1104.04.17
/
d$ 12. DECAY HEAT SYSTEM COOLING OF THE SPENT FUEL POOL If both SFP pumps or heat exchangers of the spent fuel pool cooling system are unavailable or if the heat load exceeds the SFP cooling system capacity the Decay Heat System can be used to cool the SFP water. 12.1 Prerequisites 12.1.1 Both SFP pumps or heat exchangers are not available for cooling required. 12.1.2 One decay heat pump and one decay heat cooler available for cooling the spent fuel pool. 12.1.3 Depending upon the condition of the RCS, the DH System will either be lined up for decay heat removal as per Section 4, or lined up in Normal Lineup as per Section 13, of this procedure. 12.1.4 SFP Cooling and Cleanup System lined up normally in - accordance with Valve Verification List A of SP 1104.06, "SFP Cooling and Cleanup System Procedure". 12.2 Procedure ? O[ (ij 12.2.1 Stop Decay Heat Pump 1-1 (1-2) if running. 12.2.2 Close Decay Heat Pump 1-1 (1-2) suction valve DH 1517 (DH 1518), the Decay Heat Cooler Discharge Valve DH 14B (DH 14A) and DH 2733 (DH 2734), the DH pump suction from the BWST valves if they are open. 12.2.3 Shut the Decay Heat Cooler Bypass Valve DH 13B (DH 13A) if it is open. 12.2.4 Shut the Decay Heat System discharge valve to the Reactor Coolant System DH IB (DH 1A) if it is open. [ l 12.2.5 Close the SFP outlet valve, SF 6, to the SFP pumps. l 12.2.6 Close the SFP HX 1-1 and 1-2 outlet valves SF 45 and 46. 12.2.7 Open SFP to Decay Heat System Valve SF 115. 12.2.8 Open SFP to DH Pump 1-1 (1-2) valve DH 31 (DH 30). 12.2.9 Open DH Cooler 1-1 (1-2) discharge to SFP valve DH 66 (DH 65) and unlock and open DH 69. O
'./
-- -- e .-,,. -,. . - . - . . , , , .
32 SP 1104.04.15 .. I 12.2.10 Establish component cooling water to DH Cooler 1-1 -' (1-2) if not already being supplied by opening DH Cooler 1-1 (1-2) CCW outlet isolation valve CC 1467 (CC1469). Use control room switch HIS-1467 (HIS-1469) located on panel C5716 (Engineered Safety Features Panel). 12.2.11 Start DH Pump 1-1 (1-2) as per section 4.2.4 and 4.2.6 of this procedure. 12.2.12 Open and throttle DH 14B (DH 14A) and DH 13B (DH 13A) to maintain adequate NPSH (>3.7 psig) and cooling. Use DH pump suction pressure gauge PI 1507 for DH pump 1-1 and PI 1538 for DH Pump 1-2. 12.2.13 Monitor DH cooler 1-1 (1-2) to SFP flow using flow indicator FI DH2B (FI-DH2A). Do not exceed 3000 GPM, (for DH pump runout protection). 12.2.14 The SFP purification system can be used to clean up ~ the water during the cooling operation by opening DH 70, DH29 (DH28) and SF2656 and throttling DH61 (DH62). 12.2.15 Regulate cleanup flow through SFP Cleanup System to approximately 100 GPM as monitored on local flow . . . indicator FIS-1616. '3 w Section 12 Completed Date
- 13. NORMAL LINEUP During normal operation, the Decay Heat System will be lined up to provide Low Pressure Injection if it is needed. This lineup is 15 the " Normal Lineup".
No operator sign off is required for this section of the test. I 13.1 Prerequisites 13.1.1 Decay Heat System filled and vented. 13.1.2 Safety Features Actuation System is in service per
" Safety Features Actuation System Procedure," SP 1105.03.
13.1.3 Verify power is supplied to the motor operated valves and pumps listed in Enclosure 1. Verify control power is removed from DH1A and DH1B from indicating lights DHIA-2 & DH1B-2 on C5716.
. _ . . - . _ . . . _ , - . - _ , _ _ _ , - _ _ , _ _ . - . , _-,_-._.m _, _ - _ _ _ _ , _
33 SP 1104.04.15 ,N 1
- ? 13.2 Procedure 13.2.1 Line up the Decay Heat System per Valve Verification List A, normal lineup for Decay Heat System," of this procedure.
15 NOTE: In this mode of operation, the Decay Heat System will operate as Low Pressure Injection on a loss of Reactor Coolant System Pressure (<450 psig) or high containment vessel pressure (>18.4 psig). Delete 13.2.2 Perform Decay Heat Pump Checkoff List for both pumps. (Enclosure 7)
- a. DH Pump 1-1
- b. DH Pump 1-2
- 14. RECIRCULATION OF BWST WITH A DECAY HEAT PL?iP (No operator sign off is required for Section 14) 14.1 Prerequisites k._ I 14.1.1 It is desired to recirculate the BWST with a Decay Heat Pump.
CAUTION: Be sure that DH Pump Suction Valves from RCS are closed before opening test flow valves to BWST if DH11 and DH12 are open. Specifically, insure DH1517 (DH1518) and DH10 (DH26) are closed before opening DH66 (DH65) and DH68, and when restoring the system be sure that DH66 (DH65) and DH68 are closed before reopening DH1517 (DH1518) and DH10 (DH26). This is required to prevent forcing water from RCS into BWST. 14.2 Procedure 15 14.2.1 Perform Valve Verification List B1 to recirculate with Decay Heat Pump 1-1. (Unless otherwise directed by the Shift Supervisor.) 15 14.2.2 Perform Valve Verification List B2 to recirculate with Decay Heat Pump 1-2. (Unless otherwise directed by the Shift Supervisor.) w!
r- - - - - - -- - - --- 4 & 34 SP 1104.04.15 15 14.2.3 Place DH Pump in operation as per Steps 4.2.4 thru - 4.2.7 of this procedure or as directed by the Shift Supervisor. If CCW is not required to the D.H. cooler, Step 4.2.5 need not be completed. 15 14.2.4 When recirculation is complete, close DH66 (DH65) and DH68 and return system to control of Shift Supervisor. 14.2.5 Independently reverify DH 66 (DH 65) and DH68 are closed. g
'"?
Sheet 1 35 SP 1104.04.15 f of 14 (;,T./ Valve Verification List A Norsal Lineup for Decay Heat Removal System 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY LOCATED 585' LVL. MECH. PENETRATION ROOM NUMBER FOUR DH Cooler 1-2 Oatlet to Press Aux. Spray Line Leak Test B5 DH 100 Closed M-035 DH Disch to SFP Vent D11 DH 101 Closed DH Cooler 1-2 Outlet to Press Aux. Closed & Spray Line Leak Test B5 DH99 Capped DH Cooler 1-2 Outlet to Press. Aux. Spray Line Leak Test B5 DH99A Closed hocked DH Aux. Spray Throttle Valve B5 DH2736 Closed (1) . DH Suction From SPF Vent GS DH 51 Closed ! Located 585' Lvl in SFP Cooling Room l r% M-035 () D.H. Disch to SPF Drain D11 DH 102 Closed LOCATED 565' LVL., MECH. PENETRA-TION ROOM NUMBER ONE DH Pup 1-1 Disch PS-2882B Source E6 DH 2882B Open DH Pup 1-1 Disch Line Leak Test Conn. E6 DH 73 Closed In DH PMP 1-1 Disch PI E5 PI 2882B Service Locked Open (1) DH P.9 1-1 Disch to RCS Iso E5 DH IB (entrl pwr off) DH Sys Disch/ Return for Refuelina Canal Leak Test F5 DH 85 Closed DH Sys Disch/ Return for Closed & Refuelina Canal Leak Test F4 DH 86 Capped DH Sys Disch/ Return for Locked Refuelina Canal Iso F5 DH 87 Closed (1) Refueling Canal Drain to BWST Sealed Recire P.9 F5 DH 84 Closed Refueling Canal Drain to BWST Recire Vent F5 DH 133 Closed l LOCATED IN DECAY FIAT PUMP 1-1 ROOM t (1) Controlled per AD 1839.02.
i i Sheet 2 36 SP 1104.04.15 of 14 ~'T Valve Verification List A m? Normal Lineup for Decay Heat Removal System
; 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE' DESCRIPTION Coord. NUMBER POSITION BY 15 ! CFT Return Valve to BWST A-11 SS 159 Closed DH PMP 1-1 Suction (BWST or Emer. Sump) J6 DH 2733 Open(1) 15 l PP 9824 Source Valve G-6 DH 9824 Closed DH PMP 1-1 Suction Flush Conn. H7 DH 37 Closed .
1
; DH PMP 1-1 Suction Press Source G7 DH 1507 Open In DH PMP 1-1 Suction Gage G7 PI 1507 Service .
DH PMP 1-1 Suction Low Press Gage
- Source G7 DH1507A Closed
- DH PMP 1-1 Vent G7 DH 57 Closed 1 ;
l DH PMP 1-1 Drain H7 DH 39 Closed ,/
- DH PMP 1-1 Drain H7 DH 15 Closed i
DH PMP 1-1 Drain H7 DH 16 Closed DH PMP 1-1 CCW Supply Stop Check M036 Locked (Line 1) F10 CC 148 Open (1) DH PMP 1-1 CCW Supply Stop Check M036 Locked , (Line 2) F10 CC 147 Closed (1?
- DH PHP 1-1 CCW Return Stop Check M036 Locked
, (Line 1) E10 CC 151 Open (1) l DH PMP 1-1 CCW Return Stop Check M036 Locked (Line 2) E10 CC 152 Closed (1) i DK PMP 1-1 Disch Flush Conn. G7 DH 41 Closed DH PMP 1-1 Disch Press Source G7 DH SB Open In l ! DH PMP 1-1 Disch Press Gage G8 PI DHSB Service I Locked j DH PMP 1-1 Disch Isolation G8 DH 45 Open (1)
- Locked DH PMP 1-1 Recire Line Shut Off G7 DH 55 Open(1)l#
*The low pressure gage should remain isolated except when the suction
! pressure is too low to use normal suction gage. , (1) Controlled per AD 1839.02.
Sh'eet 3 37 SP 1104.04.15
's
of 14 Valve Verification List A Normal Lineup for Decay Heat Removal System 15, Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH PMP 1-1 Outlet to PHI PHP 1-1 Locked Suction E9 DH 64 Closed (1) DH PMP 1-1 Disch to BWST/ Refuel Locked Canal /SFPL Cing Sys E7 DH 66 Closed (1) DH PMP 1-1/1-2 Disch to BWST C10 DH 68 Closed DH PMP 1-1/1-2 Disch to BWST (Throttle) C10 DH 67 Closed DH PMP 1-1/1-2 Disch to BWST Leak Test Bil DH 124 Closed DH System Disch/ Return for Refueling Canal E7 DH 83 Closed . DH System Cross-Connect Line Drain C9 DH 169 Closed DH PMP 1-1 Outlet to HPI PMP Vent E9 DH 166 Closed DH PMP 1-1 Flow Transmitter Source K1 E7 DH 2BA Open DH PMP 1-1 Flow Transmitter Source K2 E7 DH 2BB Open In DH PMP 1-1 Flow Transmitter E7 FT DH2B Service DH Sys Disch/ Return for Refueling Canal En Vent E7 DH 167 Closed DH Sys Disch/ Return for Refueling Canal Line Drain E7 DH 168 Closed Emerg. Sump Line Jacket Drain Closed &
& Test J5 DH 152 Capped Emerg. Sump Line Jacket Drain Closed
& Test K5 DH 153 Capped LOCATED IN DECAY HEAT PUMP 1-2 ROOM M036 Locked DH PMP 1-1 CCW Supply (Line 1) J11 CC 653 Open (1)
M036 Locked DH PHP 1-1 CCW Supply (Line 2) J12 CC 655 Closed (1) M036 Locked DH PMP 1-1 CCW Return (Line 1) B9 CC 661 Open (1) M036 Locked DH PMP 1-1 CCW Return (Line 2) C9 CC 659 Closed (1) (1) Controlled per AD 1839.02. s.
Sheet 4 38 SP 1104.04.15 m of 14 - Valve Verification List A - Normal Lineup for Decay Heat Removal System 15 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY M036 Locked DH PMP 1-2 Supply (Line 2) J12 CC 654 Open (1) M036 Locked DH PMP 1-2 CCW Return (Line 2) C9 CC 660 Open (1) M036 Locked DH PMP 1-2 CCW Supply (Line 1) J12 CC 652 Closed (1) M036 Locked DH PMP 1-2 CCW Return (Line 1) C9 CC 662. Closed (1) DH PMP 1-2 Suction Line Flush Conn. H10 DH 36 Closed PP 9825 Source Valve H10 DH 9825 Closed " DH PMP 1-2 Suction Press Source GIO DH 1538 Open In DH PMP 1-2 Suction Press Gage GIO PI 1538 Service DH PMP 1-2 Suction Low Press m;
'l Gage Source G10 DH1538A Closed * "2 DH PMP 1-2 Casing Vent GIO DH 56 Closed DH PMP 1-2 Casing Drain H10 DH 38 Closed DH PMP 1-2 Drain H10 DH 17 Closed DH PMP 1-2 Drain H10 DH 18 Closed DH PMP 1-2 CCW Supply Stop Check M036 Locked (Line 2) Fil CC 149 Open (1)
DH PMP 1-2 CCW Supply Stop Check M036 Locked (Line 1) Fil CC 150 Closed (Il DH PMP 1-2 CCW Supply Stop Check M036 Locked (Line 2) E10 CC 153 Open (1) DH PMP 1-2 CCW Return Stop Check M036 Locked (Line 1) C9 CC 154 Closed (1: DH PMP 1-2 Disch Press Source G10 DH 5A Open In DH PMP 1-2 Disch Press Gage GIO PIDH5A Service
*The low pressure gage should remain isolated except when the suction Pressure is too low to use normal suction gage.
(1) Controlled per AD 1839.02.
. . . . - . . - ~ _ . -
4 Sheet 5 39 SP 1104.04.15 c ' 'g of 14 ',' Valve Verification List A Normal Lineup for Decay Heat Removal System
; 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve i P&ID No. VALVE. VALVE VERIFY
] VALVE' DESCRIPTION Coord. NUMBER POSITION BY i DH PMP 1-2 Disch Line Flush Conn. H10 DH 40 Closed
- Locked i DH PMP 1-2 Disch Isolation Gil DH 44 Open (1) l DH PMP 1-2 Disch to HPI PMP Locked i 1-2 Suction C11 DH 63 Closed (1) r i DH PMP 1-2 Disch Line Vent Gil DH 161 Closed
! DH Clr 1-2 CCW Outlet Iso for M036 Locked l CC 1469 All CC 174 Open (1) l DH PMP 1-2 Recire Line Stop Locked !
Valve G10 DH 54 Open (1) . j LOCATED IN DECAY HEAT COOLER ROOM i i BWST Line 1 to MU PMP Suction Iso. J11 DH 129 Open ,
\"h , s ,/ BWST Supply to MU PHP Suction Vent J11 DH 136 Closed BWST Line 1 to MU PMP Suction Iso. J11 DH 130 Open i i BWST Supply to MU PMP Suction Drain J11 DH 135 Closed DH PHP 1-1 Recirc Line Press Test Tap G8 DH 1506 Closed i DH PMP 1-1 Recire Line Press 1 Test Tap G7 DH 1504 Closed
! DH Cooler 1-1 Inlet Flush Conn. G8 DH 47 Closed - l DH Cooler 1-1 Inlet Press Test Tap G8 DH 1317 Closed , i ! DH Cooler 1-1 Outlet Press Source G8 DH 1553 Open l In l DH Cooler 1-1 Outlet Press Gage G8 PI 1553 Service i DH Cooler 1-1 CCW Inlet Press M036 i Test Tap B11 CC 3717 Closed M036 ! DH Cooler 1-1 CCW Drain BIO CC 167 Closed
- 4 M036 I DH Cooler 1-1 CCW Drain B10 CC 169 Closed f
(1) Controlled per AD 1839.02 1
~. , .
4 I l 4 1 ., l
Sheet 6 40 SP 1104.04.21 ' of 14 Valve Verification List A .- Normal Lineup for Decay Heat Removal System Verificatica List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY M036 PP 948 Source Valve B11 CC 4948 Closed M036 Locked DH Cooler 1-1 CCW Inlet Iso. B11 CC 165 Open (1) DH Cooler 1-1 CCW Outlet Press M036 Test Tap B11 CC 3718 Closed DH Cooler 1-1 CCW Inlet Iso M036 Locked for CC 1467 A10 CC 171 Open (1) DH Cooler 1-1 CCW Outlet Iso M036 Locked for CC 1467 A10 CC 172 Open (1) DH Cooler 1-1 CCW Outlet Iso M036 (Sol) A10 CC 1467 Closed .. DH Cooler 1-1 Outlet Line Flush Conn. F8 DH 53 Closed Locked DH Cooler 1-1/1-2 Cross-Connect F9 DH 831 Closed (1) Locked 8 DH Cooler 1-1/1-2 Cross-Connect F10 DH 830 Closed (1) DH Cooler Cross-Connect Bypass Locked Stop Check F9 DH 127 Open (1) DH Cooler Cross-Connect Bypass Locked Stop Check F10 DH 125 Open (1) DH Cooler 1-1 Outlet Line Drain F8 DH 80 Closed DH Cooler 1-1 Outlet Flow Control F8 DH 14B Open DH Cooler 1-1 Bypass Flow Control G9 DH 13B Closed DH Cooler 1-1 Outlet Line 21 Sample Iso E9 DH 59 Open BWST Line 2 to MU PMP Suction Iso J11 DH 131 Closed BWST Supply to MU PMP Suction Drain K11 DH 134 Closed BWST Line 2 to MU PMP Suction Iso J11 DH 132 Closed DH PMP 1-1 Disch to MU&P SFPL Locked , Demin Iso E9 DH 61 Closed (1) ' M036 Locked
. DH CLR 1-2 CCW Inlet Iso B12 CC 166 Open (1) t (1) Controlled per AD 1839.02 i
i l
. o Sheet 7 41 SP 1104.04.21 of 14
; Valve Verification List A Normal Lineup for Decay Heat Removal System Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH CLR 1-2 CCW Outlet Press M036 Test Tap B11 CC 3715 Closed DH CLR 1-2 CCW Inlet Iso for M036 Locked CC 1469 All CC 173 Open (1)
DH CLR 1-2 CCW Outlet Iso for M036 Locked CC 1469 All CC 174 Open (1) M036 DH CLR 1-2 C(3J Outlet Iso (Sol) All CC 1469 Closed CH PMP 1-1/1-2 Disch to MU &P Demia E10 DH 71 Closed DH CLR 1-1/1-2 Outlet Line Sample Iso F10 SS 14 Open . 21 DH CLR 1-2 Outlet Line Sample Iso Fil DH 60 Open DH PMP 1-2 Disch to MU &P and Locked SFPL Demin E11 DH 62 Closed (1) DH PMP 1-1/1-2 Disch to SFPL i Demin E10 DH 70 Closed DH PMP 1-1/1-2 to Purif. Demin Drain Line D10 DH 96 Closed DH PMP 1-2 Suction (BWST or Locked Emer. Sump) J9 DH 2734 Open (1) DH System Disch to SFPL Cooling System CIO DH 69 Closed DH PMP 1-2 Disch Line Flush Conn. Gil DH 46 Closed DH Cooler 1-2 Inlet Press Test Tap Gil DH 1555 Closed DH Cooler 1-2 Outlet Press Source Gil DH 1551 Open In DH Cooler 1-2 Outlet Press Gage Gil PI 1551 Service M036 PP 4947 Source Valve B11 CC 4947 Closed DH CLR 1-2 CCW Inlet Press M036 Test Tap B11 CC 3714 Closed M036 DH CLR 1-2 CCW Drain B11 CC 168 Closed M036 DH CLR 1-2 CCW Drain B11 CC 170 Closed (1) Controlled per AD 1839.02.
o Sheet 8 42 SP 1104.04.15 , ,N of 14 , Valve Verification List A Normal Lineup for Decay Heat Removal System 15 Verificati'n List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH CLR 1-2 Outlet Lile Drain Gil DH 160 Closed DH CLR 1-2 Outlet Flush Conn. Fil DH 52 Closed DH PMP 1-2 Recire Line Press Test Tap G10 DH 1514 Closed DH PMP 1-2 Recire Line Press Test Tap GIO DH 1516 Closed DH CLR 1-2 Outlet Flow Control Fil DH 14A Open DH CLR 1-2 Bypass Flow Control H11 DH 13A Closed Sealed DH PMP 1-2 Aux. Spray Iso G12 DH 178 Open DH PMP 1-1 Disch Line Vent G8 DH 165 Closed , DH PMP 1-1 Suction from Purif. Locked 5 Demin H6 DH 33 Closed (1) Y DH PMP 1-2 Suction from MU &P Locked Sys Demin H6 DH 32 Closed (1) DH PMP 1-2 Suction from MU &P Sys Demin Vent u5 DH 175 Closed DH PMP 1-2 Suction from NaOH Locked Mix Tank H6 DH 34 Closed (1) DH PMP 1-1 Suction from Na0H Locked Mix Tank H6 DH 35 Closed (1) DH PMP 1-1 Suction from Emer.. Ctat. Leak Test J5 DH 163 Closed DH PMP 1-1 Suction from Ctat. Emer. Sump Leak Test K6 DH 162 Closed DH PMP 1-2 Suction from Ctat. Emer. Sump Vent K6 DH 164 Closed DH PMP 1-2 Aux Spray FI Source Valve G12 DH4999A Open DH PMP 1-2 Aux Spray FI Source Valve G12 DH4999B Open LOCATED 565' LVL., PENETRATION ROOM NUMBER TWO DH PMP 1-2 Disch Line Vent Bil DH 158 Closed (1) Controlled per AD 1839.02.
Sheet 9 43 SP 1104.04.19
'T of 14
." Valve Verification List A Normal Lineup for Decay Heat Removal System Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH PMP 1-2 Flow Transmitter K1 Source B10 DH 2AA Open DH PMP 1-2 Flow Transmitter K2 Source B10 DH 2AB Open In DH PMP 1-2 Flow Transmitter B10 FTDH2A Service DH PMP 1-2 Disch to Cross-Connect /
BWST/ Refueling Canal /SFPL Cooling Locked System B10 DH 65 Closed (1) DH PMP 1-2 Disch Press Switch Source B6 DH2882A Open Capped & - DH PMP 1-1 Suct. from RCS Vent H4 DH 173 Closed In DH PMP 1-2 Disch Press Gage B6 PI 2882 Service DH PHP 1-2 Disch Line Leak ( '., Test Conn B6 DH 72 Closed k# Locked Open & DH PMP 1-2 Disch to RCS Iso B6 DH 1A Catel Pwr Off (1) Closed & DH PMP 1-2 Disch to RCS Drain B5 DH 156 Capped DH PMP 1-2 Disch to RCS Drain B5 DH 156A Closed Closed & RCS to DH Sys Leak Test H4 DH 25 Capped 19 Deleted
^
DH PMP 1-1 Suction from RCS G5 DH 1517 Closed DH PMP 1-1 Suction from RCS Leak Test G6 DH 27 Closed DH PMP 1-1 Suction from SFPL Locked Purif. Sys H5 DH 29 Closed (1)' DH PMP1-1 Suction from SFPL Locked Cooling Sys H6 DH 31 Closed (1) DH PMP 1-2 Suction from RCS H5 DH 1518 Closed DH PMP 1-2 Suction from RCS
. Leak Test -H5 DH 174 Closed (1) Controlled per AD 1839.02.
N .#*
Sheet 10 44 SP 1104.04.15 s of 14 ' Valve Verification List A Normal Lineup for Decay Heat Removal System 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID bo. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH PMP 1-2 Suction from SFPL Locked Purif. Sys H6 DH 28 Closed (1 DH PMP 1-2 Suction from SFPL Locked Cooling Sys H6 DH 30 Closed (1 Locked DH PMP 1-1 Min. Cooldown Isolation H4 DH 10 Open (1) Locked DH PMP 1-2 Min. Cooldown Isolation H4 DH 26 Open (1) DH PMP 1-2 Min. Cooldown F.E. Source H4 DH4908A Open DH PMP 1-2 Min. Cooldown F.E. ~ Source H5 DH4908B Open DH PMP 1-2 Min. Cooldown Flow In Transmitter J4 FT 4908 Service DH PMP 1-1 Min. Cooldown F.E. Source G4 DH4909A Open .s DH PMP 1-2 Min. Cooldown F.E. DH4909B Open
.+'.)
Source GS DH PMP 1-1 Min. Cooldown Flow In Transmitter G4 FT 4909 Service CORRIDOR TO MECH PENT ROOM # 3 and #4 BWST Heater to SFP Pumps BW 29 Closed LOCATED IN MAKEUP PUMP ROOM DH PMP 1-1 Suction from Emer. Locked 15 Sump J5 DH 9B* Closed (1: DH PMP 1-2 Suction From Emer. Lccked 15 Sump K5 DH 9A* Closed (1: M-031 DH Sys to MU&P Sys B8 DH 123 Closed M-031 DH Sys to MU&P Sys Vent B7 DH 121 Closed LOCATED IN CTMT. 565' LVL NEAR CORE FLOOD TANK #1 Closed & DH PMP 1-2 Disch to RCS Vent B4 DH 74 Capped Closed & ) DH PMP 1-2 Disch to RCS Vent B4 DH 74A Capped I (1) Controlled per AD 1839.02. 15
- In Modes 5 and 6 This Valve Will be Deenergized (Breaker Open)
s Sheet 11 45 SP 1104.04.19
] of 14 i , , Valve Verification List A Normal Lineup for Decay Heat Removal System Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH PMP 1-2 Disch to RCS Leak Test Conn B4 DH 155 Closed
- DH PMP 1-2 Disch to RCS Leak Cl-osed &
Test Conn B4 DH ISSA Caoped DH PMP 1-2 Disch to RCS Stop Locked Check B4 DH 76 Open (1) CFT 1-1 Check Valve Leak Test PP Isol A2 CF 4866 Closed 4 CFT 1-1 Disch Line Leak Test A2 CF 27 Closed CFT 1-1 Check Valve Leak i Test Throttle A2 CF 37 Closed - CFT 1-1 Check Valve Leak Test Isol B2 CF 34 Closed CFT 1-1 Check Valve Leak Test Isol B2 CF 35 Closed (.;m 3/ CFT 1-1 Disch Line Drain Valve B2 CF 33 Closed . LOCATED IN CTMT ON 565' LVL NEAR CORE FLOOD TANK #2 Closed & DH PMP 1-1 Disch to RCS Vent E4 DH 177 Capped
~
Closed & DH PMP 1-1 Disch to RCS Vent E4 DH 177A Capped DH PMP 1-2 Disch to RCS Leak Closed & Test Conn E3 DH 75 Capped DH PMP 1-1 Disch to RCS Leak Closed & Test Conn E3 DH 75A Capped DH PMP 1-1 Disch to RCS Stop Locked Check B1 DH 77 Open (1) Refueling Canal Drain to Reactor Cavity G3 DH 92 Open Refueling Canal Drain to Normal Sump (#1) G2 DH 94 Closed Refueling Canal Drain to Normal i Sump (#2) G2 DH 95 Closed 19 Refueling Canal Drain Pump Line Vent G-3 DH 140 Closed ! (1) Controlled per AD 1839.02.
*THESE VALVES ARE TO BE VERIFIED CLOSED IMMEDIATELY PRIOR TO
- INSTALLATION OF INSULATION ON DH 76 ONLY U
l _ ~ - - - _ _ , , , _ . . _ _ .
. s Sheet 12 46 SP 1104.04.19 s of 14 Valve Verification List A Normal Lineup for Decay Heat Removal System Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY Refueling Canal Drain Pump Suction G-3 DH 141 Closed 19 Refueling Canal Drain Pump Discharge G-3 DH 144 Closed CFT 1-2 Check Valve Leak Test Throttle A4 CF 45 Closed CFT 1-2 Check Valve Leak Test PP Isol B4 CF 4867 Closed CFT 1-2 Check Valve Leak Test Isol B3 CF 46 Closed CFT 1-2 Check Valve Leak Test Isol B4 CF 47 Closed "
CFT 1-2 Disch Line Drain Valve B3 CF 32 Closed LOCATED IN CONTAINME.VI NEAR EMERGENCY SUMP Locked ; DH Aux Spray Stop Valve A4 DH 2735 Closed (1) t' DH Clr 1-2 Outlet to PZR Aux Spray La Leak Test A4 DH 98 Closed DH Clr 1-2 Outlet to PZR Aux Spray In Leak Test A4 DH 98A Closed DH Sys Disch/ Return for Refueling Locked Canal Iso F4 DH 88 Closed (1) DH Sys Disch/ Return for Refueling Canal Leak Test F4 DH 89 Closed DH Sys Disch/ Return for Refueling Canal Iso F4 DH 90 Closed Emerg. Sump Flange Test Conn. J3 DH 150 Closed
- Emerg. Sump Flange Test Conn. K3 DH 151 Closed
- Flanges CTMT Emerg. Sump J3 (2) Removed
- RCS to DH System Leak Test Conn H2 DH 50** Closed
*USE FOR TESTING DURING REFUELING. VALVES TO BE VERIFIED ONLY IF FLANGES ARE INSTALLED.
** NOTE: To be check only at times when DH11/DH12 valve pit is open (1) Controlled per AD 1839.02.
Sheet 13 47 SP 1104.04.20
~T of 14
? Valve Verification List A Normal Lineup for Decay Heat Removal System Verification List only - Consult Shift Supervisor Prior to Repositioning Valve PnID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NLHBER POSITION BY Closed &
20 l RCS to DH System Iso H2 DH 12 Ctrl pwr off RCS to DH System Leak Test Conn H3 DH 48** Closed RCS to DH System Thermal Expansion DH 20** Locked Isolation H2 (3) Open (1) DH 50A** RCS to DH Systes Leak Tes,t Conn H2 Closed RCS to DH Systes Thermal Expansion DH 24** Locked Isolation H2 (3) Open (1) DH 48A** RCS to DH System Leak Test Conn H2 l Closed . DH 170** RCS to DH System Drain H2 l Closed DH 170A** RCS to DH Systes Drain H2 Closed gr~s Closed & RCS to DH System Isolation H3 DH 11 Ctrl Pwr Off
'*"120l v-RCS to DH System Isolation Locked l Bypass H2 DH 21 Closed (1)
RCS to DH System Isolation Locked l Bypass H3 DH 23 Closed (1) RCS to DH System Isolation l Bypass Leak Test H3 DH 22 Closed RCS to DH System Isolation Bypass Leak Test H3 DH 22A Closed DH Sys Disch/ Return for Incore Instr Tk Iso G2 DH 91 Closed DH Sys Disch/ Return for Incore Instr Tk Drn G3 DH 97 Closed Incore Inut. Tank Drain To No rmal Sump G2 DH 93 Open (1) Controlled per AD 1839.02, 1 (3) PT 5186.01 must be completed for DH 20 and DH 24 prior to the closing l of the DH valve pit. The applicable ST valve lineup sheet shall be filled out for DH 20 and DH 24 and should be submitted with a Data Cover Sheet for PT 5186.01. Also, an entry into the unit log shall be made verifying the completion of the applicable section of PT 5186.01 per AD 1839.02. I ** NOTE: To be checked only at times when DH11/DH12 valve pit is open. , \/ l
Shett 14 48 SP 1104.04.15 .._, of 14 i Valve Verification List A Normal Lineup for Decay Heat Removal System 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY Pressurtzer Auxiliary Spray Isolation Valve A-3 DH 159 Open LOCATED OUTSIDE IN BWST VALVE PIT Locked BWST Outlet Isolation B12 DH 79 Open (1) BWST Outlet Sample B12 SS 13 Open Locked BWST Isolation Valve (Iine 1) C12 DH 7B Open (1) Locked BWST Isolation Valve (Line 2) G12 DH 7A Open (1) + BWST to SPF or BW Recirc Pump Vent B12 BW 30 Closed Open/ BWST to SPF or BW Recire Pump B13 BW 7 Closed (5: .
. . .J Reviewed by Date (1) Controlled per AD 1839.02.
(5) Proper position to be determined by the Shift Foreman.
.s Sheet 1 49 SP 1104.04.15
( .k* of 1
..- Valve Lineup List A COOLANT PURIFICATION VIA THE SFP PURIFICATION SYSTEM
- 1. Open DH 70, Decay Heat to SFP Purification System Valve.
Initial Date
- 2. Open DH 29*, SFP Purification to DK Pump Suction 1-1, if using DH Pump 1-1 and Cooler 1-1 or Open DH 28* if using DH Pump 1-2 and Cooler 1-2.
Initial Date
- 3. Open SF 2656, the SFP Purification to Decay Heat Valve.
Initial Date
- 4. Open and throttle DH 61*, the DH to Purification Systems valve, if using DH Pump and Cooler 1-1 or DH 62* if using DH Pump and Cooler 1-2. While opening the valve, the SFP purification system pres- "
sure should be monitored and maintained at less than 150 psig. This will require two people with an appropriate means of communica-tion. If necessary, the purification flow can be monitored on FIS
' 1616 located downstream of SFP Filter 1-1. The flow should be i controlled at approximately 100 GPM.
(S* Initial Date
- Controlled per AD 1839.02.
I
,1 e
l
Sheet 1 50 SP 1104.04.15 of 1 Valve Lineup List B , POST PURIFICATION LINEUP - SFP PURIFICATION SYSTEM
- 1. Close DH 61* if DH Pump and Cooler 1-1 was used or DH 62* if DH Pump and Cooler 1-2 was used.
Initial Date Indep Ver Date
- 2. Close DH 29* if DH Pump and Cooler 1-1 was used or DH 28* if DH Pump l and Cooler 1-2 was used. l Initial Date Indep Ver Date
- 3. Close DH 70, Decay Heat to SFP Purification Valve.
Initial Date Indep Ver Date
- 4. Close SF 2656, the SFP Purification to Decay Heat Removal System Valve.
Initial Date Indep Ver Date
- Controlled per AD 1839.02.
a i I
Sheet 1 51 SP 1104.04.15 3 of 1 Valve Lineup List C COOLANT PURIFICATION VIA MU PURIFICATION SYSTEM
- 1. Open DH 123 (to the wide open position), DH to MU Purification System.
Initial Date
- 2. Open DH 71 (to the wide open position), DH to MU Purification System.
Initial Date
- 3. Open DH 33* (to the wide open position), to DH suction if using DH pump 1-1 and DH cooler 1-1 or DH 32,* if using DH pump 1-2 and DH cooler 1-2.
Initial Date
- 4. Close MU 182,* MU tank inlet valve.
Initial Date
- 5. Open MU 274 makeup to DH Valve.
/ ~N Initial Date 0, s,
- Controlled per AD 1839.01.
l
Sheet 1 52 SP 1104.04.13 of 1 _ ,); Valve Lineup List D . POST COOLANT PURIFICATION LINEUP - MU PURIFICATION SYSTEM l
- 1. Close DH 61,* the DH to Purification System Valve if DH Pump and Cooler 1-1 was used or DH 62* if DH Pump and Cooler 1-2 was used.
Initial Date Indep Ver Date I
- 2. Close DH 71, Decay Heat to MU Purification. l Initial Date Indep Ver Date
- 3. Close DH 123, Decay Heat to MU Purification.
Initial Date Indep Ver Date
- 4. Close DH 33,* the MU Purification to DH Suction, if DH Pump and Cooler 1-1 was used or DH 32* if DH Pump and Cooler 1-2 was used.
Initial Date Indep Ver Date "
- 5. Open MU 182,* the MU Tank Inlet Valve.
Initial Date Indep Ver Date
- 6. Close MU 274, the MU to DH Valve. v Initial Date Indep Ver Date
- Controlled per AD 1839.02.
, Sheet 1 53 SP 1104.04.17 of 2 Valve Verification List B Adding Borated Water to the RCS from the BWST Via BW Recire and DHR Pmps Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY l Coord.
VALVE DESCRIPTION NUMBER POSITION BY M035 BWST to SPF Pmps Suct E-3 BW21 Closed BWST to SFP Pmp Vent D-3 BW20 Closed M-045 BAAT(s) to BWST Recire Line E-3 MU360 Closed M-035 BWST Htr Iso Out F-3 BW19 Closed 17 BWST Recire Pmp Suct from M-033 l Refueling Canal F-6 DH84 Closed M-035 ^ BWST Htr to SFP Pmps E-4 BW29 Closed 1 }
.BWST Htr Out Vent F-4 BW23 Closed l - Flush Conn G-5 BW10 Closed l
( a
'- BWST Recire Pmp 1-1 Casing Den G-6 BW11 Closed Flush Conn G-6 BW13 Closed BWST Htr Out Den F-5 BW18 Closed BWST Recire Pmp to SFP Purifica-tion Valve G-7 BW16 Closed SPF Pmps Disch to SFP Cleanup Sys G-7 SF78 Closed M-033 DH Sys to SFP Purif Sys E-10 DH70 Closed M-035 SFP Demin In H-6 SF80 Closed SFP Demin OUt J-7 SF88 Closed SFP F1tr In Line Vent J-8 SF91 Closed
- SFP F1tr In H-8 SF92 Closed SFP Fltr Out H-9 SF93 Closed l
SFP Demin Fltr Out Sep1 Conn H-11 SS29 Closed
- Inaccessible - Need not be checked unless maint. has just been performed on the system.
)
Sheet 2 54 SP 1104.04.15 - of 2 . Valve Verification List B Adding Borated Water to the RCS from the BWST Via BW Recire and DHR Pmps 15 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY SFP Cleanup Sys to SFP F-11 SF2653 Closed DH Pmp 1-2 Suct from SFP M-033 Locked (1) Purif Sys H-5 DH28 Closed l DH pmp 1-1 Suct from SPF Locked (1) Purif Sys H-5 DH29 Closed M-035 BWST to BW Recirc Pmp G-2 BW8 Open BWST Recire Pmp Disch G-6 BW15 Open BWST Recire Pmp Disch Press M-035 Source G-6 BW1614 Open - In BWST Recire Pmp Disch Press Ind G-6 PI1614 Service BWST to BWST Recirc Pmp Mtr Suct G-5 BW2688 Open _,
}
SFP Demin Bypass H-7 SF79 Open ' SFP Fltr Bypass J-9 SF94 Open SFP Purif Flow Xmtr Source (K1) G-10 SF1616A Open SFP Purif Flow Xmtr Source (K2) G-10 SF1616B Open In SFP Purif Flow Ind Sw G-10 FIS1616 Service i SFP Cleanup Sys to BWST F-11 SF98 Open SFP Purif to DH Sys or BWST F-11 SF2656 Open l l Reviewed by Date ! (1) Controlled per AD 1839.02. l
s
-- Sheet 1 55 SP 1104.04.15
) of 4 Valve Verification List B1 3 Recirculation of BWST with Decay Heat Pump 1-1 15 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY LOCATED 565' LVL, MECH PEN ROOM ONE M-033 See Below DH Pmp 1-1 Disc to RCS Iso E-5 DHIB 1*(2)(3)
DH Pmp 1-1 Disch Line Leak , Test Conn E-6 DH73 Closed DH Pop 1-1 Disch PI and PSH 2882 B Source E-6 DH2882B Open LOCATED IN DECAY HEAT PUMP 1-1 ROOM DH Pap 1-1 Disch to BWST/ Refuel , Canal /SFPL Cing Svs E-7 DH66 Open(2)(3) DH System Disch/ Return for Refueling Canal E-7 DH83 Closed DH System Cross-Connect Line ' ., Drain C-9 DH169 Closed DH Pop 1-1/1-2 Disch to BWST (. . ) (Throttle) C-10 DH67 Closed DH Pop 1-1/1-2 Disch to BWST C-10 DH68 Open(3) DH Pop 1-1/1-2 Disch to BWST Leak Test B-11 DH124 Closed DH Pop 1-1 Flow Transmitter Source K1 E-7 DH2BA Open DH Pop 1-1 flow Transmitter Source K2 E-7 DH2BB Open In DH Pop 1-1 Flow Transmitter F-7 FTDH2B Service DH Pap 1-1 Outlet to PHI Pmp - Vent E-9 DH166 Closed DH Pmp 1-1 Outlet to HPI Pmp Locked (2) 1-1 Suction E-9 DH64 Closed Locked i DH Pmp 1-1 Recire Line Shut Off G-7 DH55 Open (2) Locked DH Pmp 1-1 Disch Isolation G-8 .DH45 Open (2) a 1* Valve must not be closed (and does not need to be closed) in Modes 1 thru 4. Valve must be closed for test in Modes 5 and 6. (2) Controlled per AD 1839.02. (3) These valves are not positioned in accordance with the normal valve lineup. These valves must be repositioned to return to normal lineup.
Sheet 2 56 SP 1104.04.21 of 4 O Valve Verification List B1 13 Recirculation of BWST with Decay Heat Pump 1-1 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH Pop 1-1 Disch Flush Conn G-7 DH41 Closed DH Pap 1-1 Disch Press Source G-7 DH5B Open In DH Pmp 1-1 Disch Press Gage G-8 PIDHSB Service DH Pop 1-1 Drain H-7 DH15 Closed DH Pmp 1-1 Drain H-7 DH16 Closed DH Pap 1-1 Drain H-7 DH39 Closed - DH Pmp 1-1 Vent G-7 DH57 Closed DH Pop 1-1 Suction Press Source G-7 DH1507 Open
~'
In DH Pop 1-1 Suction Press Gage G-7 PI1507 Service d.. M-033 DH Pep 1-1 Suction Flush Conn H-7 DH37 Closed Spray Pump 1-2 Recire Drain Valve B-7 CS25 Closed DH Pop 1-1 Suction Locked (BWST or Emerg. Sump) J-6 DH2733 Open(1) PP 9824 Source Valve G-6 DH9824 Closed Located in Decay Heat Cooler Room DH Systes Disch to SFPL Cooling System C-10 DH69 Closed DH Pap 1-1 Disch Locked (1) to MU&P & SFPL Demin Iso E-9 DH61 Closed DH Cooler 1-1 Outlet Line Sample 21 , Iso E-9 DH59 Open In DH Cooler 1-1 Outlet Flow Control F-8 DH14B Service In DH Cooler 1-1 Bvpass Flow Control G-9 DH13B Service DH Cooler 1-1 Outlet Line Drain F-8 DH80 Closed DH Pmp 1-1 Recric Line Press Test Tap G-7 DH1504 Closed (1) Controlled per AD 1839.02
Sheet 3 57 SP 1104.04.15 -q of 4 2 Valve Verification List Bl. Recirculation of BWST with Decay Heat Pump 1-1 15 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY _ DH Cooler 1-1 Outlet Line Flush Conn F-8 DH53 Closed Locked (1) DH Cooler 1-1/1-2 Cross-Connect F-9 DH831 Closed DH Cooler Cross-Connect Locked Bypass Stop Check F-9 DH127 Open(1) DH Cooler 1-1 Outlet Press Source G-8 DH1553 Open In DH Cooler 1-1 Outlet Press Gage G-8 PI1553 Service DH Cooler 1-1 Inlet Press Test Tap G-8 DH1317 Closed - DH Cooler 1-1 Inlet Flush Conn G-8 DH47 Closed DH Pap 1-1 Disch Line Vent G-8 DH165 Closed e DH Pap 1-1 Locked (1) (N) Suction from NaOH Mix Tank H-6 DH35 Closed DH Pap 1-1 Suction from Purif Locked (1) Demin H-6 DH33 Closed SH Pap 1-1 Suction from Emer Ctat Leak Test J-5 DH163 Closed Located in Makeup Pump Room DH Locked (1) Pmp 1-1 Suction from Emer Sump J-5 DH9B Closed LOCATED 565' VLV, MECH PEN ROOM TWO DH Pmp 1-1 Disch to Cross-Connect / BWST/ Refueling Canal /SFPL Cooling M-033 Locked (1) System B-10 DH65 Closed DH Pmp 1-1 Locked (1) Suction from SFPL Cooling Sys H-6 DH31 Closed DH Pmp 1-1 Suction from RCS Leak Test G-6 DH27 Closed DH Pump 1-1 Locked (1) Suction from SFPL Purif Sys H-5 DH29 Closed DH Pmp 1-1 Suction from RCS G-5 DH1517 Closed DH Pmp 1-1 Min Cooldown Isolation H-4 DH10 Closed (1) DH Pmp 1-1 Min Cooldown F.E. Source G-4 DH4909A Open (1) Controlled per AD 1839.02
~~. J
I Sheet 4 58 SP 1104.04.15 cx of 4 Valve Verification List B1 ' Recirculation of BWST with Decay Heat Pump 1-1 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH Pmp 1-1 Min Cooldown F.E. Source G-5 DH4909B Open LOCATED OUTSIDE IN BWST VALVE PIT Locked BWST Outlet Isolation B-12 DH79 Open(1) Locked BWST Isolation Valve (Line 1) G-12 DH7B Open(1) LOCATED 585' LVL MECH PEN ROOM THREE M-034 Spray Pmp 1-1 Recire Vent Viv G-6 CS23 Closed Spray Pmp 1-1 Recire Iso Valve D-6 CS36 Closed LOCATED 585' LVL MECH PEN ROOM FOUR ., M-034 1 Spray Pump 1-2 Recire Vent Viv B-6 CS24 Closed 42 Spray Pmp 1-1 Recire Iso Valve C-6 CS33 Closed Reviewed by Date (1) Controlled per AD 1839.02
Sheet 1 59 SP 1104.04.15 N of 4
, Valve Verification List B2 Recirculation of BWST with Decay Heat Pump 1-2 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY LOCATED 585' LVL, MECH PEN ROOM 4 DH Cooler 1-2 Outlet to Press M-033 Aux Spray Line Leak Test B-5 DH100 Closed Locked (2)
DH Aux Spray Throttle Valve B-5 DH2736 Closed LOCATED 565' LVL, MECH PEN ROOM 2 See Be-DH Pump 1-2 Disch to RCS Iso B-6 DH1A low 1*(2)(3) DH Pump 1-2 Disch Line Leak Test Conn B-6 DH72 Closed - DH Pmp 1-2 Disch Press Switch & PI2882A Scurce B-6 DH2882A Open DH Pump 1-1 Disch to Cross-Connect / BWST/ Refueling Canal /SFP Cooling
. System B-10 DH65 Open(2)(3) k.V DH Pmp 1-2 Flow Transmitter K1 Source B-10 DH2AA Open DH Pmp 1-2 Flow Transmitter K2 Source B-10 DH2AB Open In DH Pmp 1-2 Flow Transmitter B-10 FTDH2A Se rvice DH Pmp 1-2 Disch Line Vent B-11 DH158 Closed DH Emp 1-2 Suction from RCS Leak Test H-5 DH174 Closed DH Pmp 1-2 Suction from Locked (2)
SFPL Cooling Sys H-6 DH30 Closed DH Pmp 1-2 Suction from Locked (2) SFPL Purif Sys H-5 DH28 Closed DH Pmp 1-1 Suction from RCS H-5 DH1518 Closed DH Pmp 1-2 Min Cooldown F.E. Source H-4 DH4908A Open DH Pmo 1-2 Min Cooldown F.E. Source H-5 DH4908B .Open
- Valve must not be closed (and does not need to be closed) in Modes 1 thru 4. Valve must be closed for test in Modes 5 and 6.
(2) Controlled per AD 1839.02
.s
Sheet 2 60 SP 1104.04.15 _ of 4 .3
'v Valve Verification List B2 .
Recirculation of BWST with Decay Heat Punp 1-2 15 Verification List Only - Consult Shift Supenisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH Pmp 1-2 Min Cooldown In Flow Transmitter J-4 FT4908A Service DH Pmp 1-1 Min Cooldown Isolation H-4 DH26 Closed (1) Located in Decay Heat Pump 1-1 Room DH System Cross-Connect Line Drain C-9 DH169 Closed DH System Disch/ Return for Refueling Canal E-7 DH83 Closed DH Pop 1-1 Disch to Locked (1) BWST/ Refuel Canal /SFPL Cing Sys E-7 DH66 Closed DH Pop 1-1/1-2 Disch to BWST (Throttle) C-10 DH67 Closed + DH Pmp 1-1/1-2 Disch to BWST C-10 DH68 Open(3) DH Pmp M-033 1-1/1-2 Disch to BWST Leak Test B-11 DH124 Closed Located in Decay Heat Pump 1-2 ., Room PP9825 Source Valve H-10 DH9825 Closed 'n' DH Pmp 1-2 Disch to HPI Locked (1) Pmp 1-2 Suction C-11 DH63 Closed Locked DH Pmp 1-2 Recire Line Stop Viv G-10 DH54 Open(1) ~ DH Pmp 1-2 Disch Line Vent G-11 DH161 Closed Locked DH Pmp 1-2 Disch Iso G-11 DH44 Open(1) DH Pmp 1-2 Disch Line Flush Conn H-10 DH40 Closed DH Pmp 1-2 Disch Press Src G-10 DRSA Open DH Pop 1-2 Drain H-10 DH17 Closed DH Pmp 1-2 Drain H-10 DH18 Closed DH Pmp 1-2 Casing Drain H-10 DH38 Closed DH Pmp 1-2 Casing Vent G-10 DH56 Closed (1) Controlled per AD 1839.02 (3) These valves are not positioned in accordance with the normal valve lineup. These valves must be repostioned to return to normal lineup.
f Sheet 3 61 SP 1104.04.21 7
- of 4 Valve Verification List B2 Recirculation of BWST with Decay Heat Pump 1-2 Verification List Only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH Pop 1-2 Suction Press Src G-10 DH1538 Open In DH Pap 1-2 Suction Press Game H-10 PI1538 Service DH Pop 1-2 Suction Line Flush Conn H-10 DH36 Closed Located in Decay Heat Cooler Room DH System Disch to SFPL Cooling System C-10 DH69 Closed DH Pap 1-2 Locked (1)
Disch to MU&P and SFPL Demin E-11 DH62 Closed 21 DH Cooler 1-2 Outlet Line Sample Iso E-11 DH60 Open In DH Cooler 1-2 Outlet Flow Control F-11 DH14A Service In
.N DH Cooler 1-2 Bypass Flow Control H-11 DH13A Service 1
('.' DH Cooler 1-2 Outlet Line Flush Conn F-11 DH52 Closed l DH Pap 1-2 Recirc Line Press Test Tap G-10 DH1514 Closed DH Pops 1-2 Becire Line Press Test Tap G-10 DH1516 Closed Locked (1) DH Cooler 1-1/1-2 Cross connect F-10 DH830 Closed DH Cooler Cross-Connect M-033 Locked Bypass Stop Check F-10 DH125 Open(1) DH Pop 1-2 Aux. Spray F.I. 4999 Source G-12 DH4999A Open DH Pmp 1-2 Aux. Spray F.I. 4999 Source G-12 DH4999B Open DH Pmp 1-2 Aux. Spray Iso G-12 DH178 Open DH Cooler 1-2 Outlet Line Drain G-11 DH160 Closed ! DH Cooler 1-2 Outlet Press Source G-11 DH1551 Open In DH Cooler 1-2 Outlet Press Gage G-11 PI1551 Service DH Cooler 1-2 Inlet Press Test Tap G-11 DH1555 Closed (1) Controlled per AD 1839.02
\._ )
. i ,
Sheet 4 62 SP 1104.04.15 -~ of 4 Valve Verification List B2 - Recirculation of BWST with Decay Heat Pump 1-2 15 Verification List only - Consult Shift Supervisor Prior to Repositioning Valve P&ID No. VALVE VALVE VERIFY VALVE DESCRIPTION Coord. NUMBER POSITION BY DH Pap 1-2 Disch Line Flush Conn G-11 DH46 Closed DH Pop 1-2 Suction from MU&P Sys Demin Vent H-6 DH175 Closed DH Pmp 1-2 Locked (1) Suction from MU&P Sys Demin H-6 DH32 Closed DH Pop 1-2 Locked (1) Suction from NaOH Mix Tank H-6 DH34 Closed DH Pop 1-2 Locked (1) Suction (BWST or Emer. Sump) J-9 DH2734 Open DH Pump 1-2 Suction from Ctat Emer Sump Leak Test K-6 DH162 Closed
- DH Pop 1-2 Suction from Emer Sump Vent Valve K-6 DH164 Closed Located in Make-Up Pump Room DH Pop Locked (1) 1-2 Suction from Emer. Sump K-5 DH9A Closed ,,
LOCATED OUTSIDE IN BWST VALVE PIT .- Locked BWST Outlet Isolation B-12 DH79 Open(1) Locked BWST Isolation Valve (Line 2) G-12 DH7A Open(1) Reviewed by Date (1) Controlled per AD 1838.02
_ - _ - _ _ _ _ _ - - - - - _ _ _ _ - - - _ _ . _ _ = _ - - _ _ - _ _ _ _ _ . _ _ _ _ _ _ _ - _ _ _ _ _ - _ _ _ - _ _ - _ _ _ _ _ - - - _ - - _ _ _ _ _ _ - - _ - _ _ _ . _ . - - _ .-_ . _ -
- p .-
) ~
i . l Breakers & Switches for DH System , i i i t l Equipment P42-1 P42-2 Dil7B Dil7A DIl98 DH9A Dill 2* Dilll* f
- Ident. No. t INST out- BWST out- Emerg. Emerg. RC Normal RC Normal l Equipment DK Pump DH Pump let to let to Sump to Sump to Cooldown Cooldown l j
- Name 1-1 1-2 Dil Sys Dit Sys DH Pumps DK Pumps to DH to DH Sys s
Control Room MIS-Dii68 HIS-DH6A MIS-Dil78 NIS-Dil7A HIS-DH98 HIS-Dil9A HIS-Dill 2 HIS-DH11 - C-5716 C-5716 C-5716 C-5716 C-5716 C-5716 - C-5704 C-5704 f Switch / Panel # 1 Breaker No. AC 112 AD 112 BE 1157 BF 1148 BE 1112 BF 1142 BE 1183 BF 1130
& MCC BUS "Cl" BUS "Dl" E 11A FilB EllA F 11C EllB Fila 4
NVDil09B NVf2009A No No 1 Local Control NP 0421 NPO422 NVDil07B NVDH07A . w Switch No. Switch Switch 1 1 S.A. Signals 311A 312A 281G 282G 281A 282E Mone None , 511B 512B SilA 512A ; MCC Location: Not Not (Elev) MCC MCC 585' 603' 565' 565' 585' 603' i i Emergency Cut! ' Transfer Switch Location On On Brkr 585' 603' 585' 565' 585' 603' . 15
- If restoring the DH System to the normal lineup for low pressure injection per Section 8, following Decay ;
Heat Removal, control power to Dilli and Dill 2 will be restored using HIS DilllA and MIS DH12A on C5704 just '
- prior to the closing of DH11 and Dill 2 when RCS temperature >280*F.
! mm aa = , t' g
" to f 2 1 a!
W e-. u 1 4
.~
( _
. i n
4 Breakers & Switches for DH System E S ,U 8*
.E DH 1517 Dli 1518 DH 2733 DH 2734 DH 14B DH 14A DH 13B DH 13A Dli I A DH IB RC Normal RC Normal DH Pump DH Pump DH Cooler DH Cooler Dil Cooler Dil Cooler Equipment Cooldown Cooldown 1-1 1-2 1-1 1-2 1-1 1-2 DH to DH to Name to DIIPI-I to Dil P2 Suction Suction Discharge Discharge Bypass Bypass RCS RCS l
Control Room HIS 1517 HIS 1518 HIS 2733 HIS 2734 HIC D!Il4B llIC Dill 4A HIC DH13B IIIC DHl3A HIS DillA HIS DillB Switch / Pane 1# C-5704 C-5704 C5717 C5717 C5704 C5704 C5704 C5704 C5716 C5716 125 VDC 125 VDC 125 VDC 125 VDC Breaker No. BE 1126 BF 1129 BE 1121 BF 1134 Essential Essential Essential Essential BF 1136 BE 1106 9 & HCC E11D FilC EllA F11C Instr Bus Instr Bus Instr Bus Instr Bus F11C F11C 1 l Local Control NV15170 NV15180 NV27330 NV27340 NV014B NV014A NV013B NV013A NVDHotA NVDil01B Switch No. Inter- Inter-l S.A. Signals locked SA locked SA SA 311D SA 3120 SA 311E SA 312E SA 311F SA 312F SA 312 SA 311B 311D With 312D With
- -s HCC Location Pneumatic Operators----------
(Area & Elev) 565' 565' 565' 565' 565' 565' ECTS Location 565' 565' 585' 565' Pneumatic,' Ope ra to rs---------- 565' 585'
, e s
,,o .
9 65 SP 1104.04.15 (q
../ Breakers & Switches for DH System Equipment Ident. No. DH 830 DH 831 DH 2735 DH 3736 Equipment DH Removal DH Removal DH Aux Spary DH Aux Spray Name Clr 2 Out Clr 1 Out Stop Valve Throttle Xover Xover Valve Control Room HIS 830 HIS 831 HIS 2735 HIS 2736 Switch / Panel No. C 5704 C 5704 C 5705 C 5705 Breaker No. BF 1185 BE 1195 BE 1155*I BF 1125*I and MCC F 11D E 11D E 11B F 11A Local Control Switch No. NV DH 830 NV DH 831 On Breaker NV 2736 S.A. Signals None None None None
- MCC Location
- (Elevation) 565' 565' 585' 603' ECTS Location 565' 565' 585' 603'
- E11B can be crosstied with Fila if one MCC is deenergized. See EP "
1 1202.06, Loss of R.C. or R.C. Pressure, for details. F Equipment Ident No. DH 63 DH 64 CC 1467 CC 1469 k'~T/ LPI to HPI LPI to HPI DH Removal DH Removal Equipment Xover 2 Xover 1 Cooler 1-1 Cooler 1-2 Name Outlet Iso Outlet Iso Valve Valve Control Room HIS 1467 HIS 1469 15 Switch / Panel # HIS DH 63 HIS DH64 C5716 C5716 BF 1195/ BE 1187/ 125 VDC 124 FCD Breaker No. F11E EllE Essen. Essen.
& MCC Instrument Instrument Bus Bus
( Local Control Switch No. NV DH63 NV DH64 NV 1467 NV 1469 S.A. Signals None None SA311C SA312C MCC Location 545 603 Pneumatic Pneumatic (Elevation) (tunnel) (CRD Rm) Operator Operator Pneumatic Pneumatic ECTS Location CDF11E CDE11E Operator Operator 15 1
-s I -)
i I' ENCLOSURE 1
- Page 3 of 3 i
i
c, m_.v..o , . ,
. PRESSUM and TEMP. LIMITArtENS F*OR COCLOOWW SP 1104.04.0 *
- c.,v, .
A-C-C D t.T Unittsea press are for cosiduwe based on (7""-17[f
.. Mantuun WS pressure (or waar PNC 4y cci pa setta vtafi Re: g=um Enclosure 2 combinatteuJ 4. .s e: '..: ta : * ;op i aer. 4.utu 4. Dao 1 syasted .t) .-
C-If J Iso '8.C Ps-as f.C puas eiminac6ans r..A.I.8) . (0 A.2 1). (t...J.3). (1-a.t 5) and 9'
. it.A.2 5) '
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. .. SC pump cJabinaciens (J. A.O*8) afvf (T.A.1=T) -
Requised 2C pump suction (or cocainntonse *
- 1. Mc pump cochinations (0. A.2 5) . G- A.*-4) ano (L.A.2-e)
In 7.C pump conidnittees (1.A.0 5) aat (2*A.!*5) 0 b48 RC pump cambinations (0.A.1-8). (taA.L.8), sed (t=A.O*8) M Minimum 3FSit fsr :C pumps att ccmbtnsttets . R*S=7 lttataus pressure vs. teep. to maintain fust is coc *esstoa T*lt Mistmum pressure vs. tefer. .to prevent botti g at t.,p of hot teg. X-T- nimus presi re va s to matnea an-es dom *rt t* -
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SP 1104.04.0 . PRESSURE and TEMP LIMITATIONS FOR HEATUP
- e.
- Enclosure 3 7-tt.E.F Maefer:sn erevaate toe heat.i.i resed 29 .*;; t / a,,, -_
t
; n.atus:sp Rt.$ press ?, Lse .reay hes* eytt m pa. tten est4 *4' ttem-V / temstnettons as fette*ts: fneta: '.9ep & se. 4a.acc4 8, t eep 2 fuss a.eated 4). .
C. t Ile FC purse J 1* re rp saan.tnettone (04... 0. (%t,2 5) (L. A.1 4) . (1. A, t.*,) ? t4 (L.A.2 3) I* RC pump saetaations (1..n,01) ed (2.A,1 4) Anastred AC p.+e snetten f ar es:.htnatter.sr
. T. SC pump soMstaatte.ts t.0.A.2 3). (1..t 2 5) and (l. A.2 5) i RC pump canbt.a.ttas (2.A.C.i.) afta gl.A.L.A) , , , (r.r.it RC penp sesistaattees (0. A.* .3', (1 4.1 8), and (1*A.3 5)
F.E , Ittetsnam NF5it for RC pu.,a at* scanta.stnes *
- L.*..? Mini == psessure vs. t.sp. to maletate fuel in ses.petssten.
W Mistanas pressure vs. tt.ip to prevert tettint. at top. si het teg. ~. .; . .
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- Figure 1
12 0 SP 1104.04.8 . . MINIMUM SUCTION PRESSURE VS RCS TEMPERATURE _ v- , s ._, _ . .. _ _ _ . . _ . . qaGGUEEEH MMP o .- --
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NOTE: This is only a guide. If any unusual noise or discharge pressure varia-tion occurs the suction pressure should be raised, the flowrate reduced, or the . pump tripped. Pump performance should still follow pump head curve. No instru-i =ent error was included. 5
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s a ' d .: 4 k 0; i! i. . o MINIMUM RC PRESSURE vsDH INI.ET TEMR FOR DH PUMP NPSH
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E CECAY - P. EAT i."LET TEMPEO.\TURE(DH2A,B)?F ' Int t.;.: Lent error of SE incladed , e e e e
71 SP 1104.04.15 (b s ,' Decay Heat Pump Pre-Startup and Standby Check-off List
- 1. Decay Heat Pump motor breaker is racked in:
DH Pump 1-1 DH Pump 1-2 AC 112 AD 112
- 2. Check for proper oil level in the pumps and motor sight indicators:
DH Pump 1-1 DH Pump 1-2 Pump outboard bearing Pump inboard bearing Motor inboard bearing Motor outboard bearing
- 3. Line up component cooling water by opening the following valves (1)
DH Pump 1-1 DH Pump 1-2 CC 653 CC 654 CC 148 CC 149 CC 151 CC 153 - CC 661 CC 660 NOTE: This lineup is for DH Pump 1-1 being supplied from CCW Essential Line 1 and DH Pump 1-2 supplied from "s CCW Essential Line 2.
- 2. Valving exists to have DH Pump 1-1 (1-2) supplied from CCW Essential Line 2 (1).
- 4. Seal water piping is valved as follows to provide sealing and luoricating flow to the stuffing box from the cyclone separator:
DH Pump 1-1 DH Pump 1-2 (1) Controlled per AD 1839.02. i Enclosure 7 i Page 1 of 3
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72 SP 1104.04.18 , 3 u Tap "C" s 7 : to mech. seal M open I" " [h Tap "A" r-fully pump . , , g, discharge -- open fully { ABRASIVE (CYCLONE) SEPARATOR close two turns from full open Tap "B" n
?C : to pump suction
- 5. Open the pump suction valve: DH Pump 1-1 DH Pump 1-2 For Emergency Standby: DH 2733
- DH 2734
- For D.H. Cooldown DH11, DH12, DH1517 DH11, DH12, DH1518 Other: Other If the DH pump is to be started for DH removal, warn C&HP of impend-ing changes in radiation levels for the DH loop to be started. ')..
- 6. Verify that the pump discharge valve is locked open.
DH Pump 1-1 DH Pump 1-2 DH 45
- DH 44 *
- 7. Open the vent valve to prime the pump and then close the vent valve:
DH Pump 1-1 DH Pump 1-2 DH 57 DH 56
- 8. Open the suction and discharge pressure gage source valves and check that the suction pressure is at least 3.7 psig.
DH Pump 1-1 DH Pump 1-2 DH 1507 DH 1538 18 DH 1507A ** DH 1538A ** DH SB DH SA PI 1507 13.7 psig PI 1538 13.7 psig
**The low range suction pressure gages should not be cut in if the DH pump is to be used for decay heat removal. These are only used for DH pump surveillance test while recircing the BWST.
- Controlled per AD 1839.01 Enclosure 7 Page 2 of 3
. ~ ,
73 SP 1104.04.18
;D v t, . 9. Verify that the recirculation line valve is locked open.
DH Pump 1-1 DH Pump 1-2 DH 55
- DH 54
- Performed by Pump Date
- Controlled per AD 1839.01 o
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