ML20247E662
| ML20247E662 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 04/30/1998 |
| From: | Wilson I FLORIDA POWER CORP. |
| To: | |
| References | |
| AP-250, NUDOCS 9805180411 | |
| Download: ML20247E662 (24) | |
Text
,
Document Transmittal #: 94476 Date: 5/4/98 To:
NRC (DC DESK)
MAC: N/A Destination:
==
Description:==
l Copy Copy Totals Document:
Revision:
Comment:
INFO CNTL MSTR AP0250 10 MINOR CHANGE 7
1 0
0 l
I Instructions to the Addressee:
Please verify the document (s) received agrees with the above information.
Operations department must attach old document (s) or portions of document (s) superseded by the above I
to this transmittal.
Q The signature indicates acknowledgment of receipt of the above document (s) and that documents have I
been updated. Return signed and dated transmittal to Document Control within 15 working days of g
transmittal date to mail code:
0' NA1C j
Fionda Power Corporation Document Control, NA1c Crystal River Energy complex l
15760 W. Power Line st.
Crystal River, FL 34428-6708 Signature of Addressee:
Date:
9905100411 900430 PDR ADOCK 05000302 P
n-RMA REV 10 (MC)
AP-250 0
RADIATION MONITOR ACTUATION 1.0 ENTRY CONDITIONS IE any of the following Atmospheric Radiation High alarms are actuated; I
e RM-Al e RM-A2 I
e RM-A3 9
o RM-A4 ONLY
. RM-A5 THEN use this procedure.
2.0 IMMEDIATE ACTIONS NOTE There are no immediate actions for this procedure.
l
/2 k
/[M/fdJate 04/30/98 Approved by MNP0 e'g
"~ ' (SIGNATURE ON FILE)
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l 3.0 FOLLOW UP ACTIONS l
ACTIONS DETAILS 3.1 Ensure auto actions of affected radiation monitors occur.
See Table 1 l
l 3.2 Notify personnel of plant STA conditions.
l Plant Operators NSM (evaluate plant conditions for potential entry into the Emergency Plan) 3.3 IF RM-Al Gas is actuated.
TREN stop RB purge fans.
__ AHF-7A l
(3 AHF-7B AHF-6A AHF-6B l
l CAUTION l
With all CC ventilation stopped, the CC may reach its design limit of l
95*F in 30 minutes.
l l
l 3.4 JE RM-A5 is actuated.
AND AHD-3 is closed.
_ AHF-17A AHF-17B i
THEN stop CC supply and return fans.
__ AHF-18A AHF-18B l
AHF-19A AHF-19B O'O l
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3.0 FOLLOW UP ACTIONS (CONT'D)
Ih ACTIONS DETAILS
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3.5 Verify alarm is valid.
1 Depress the affected radiation monitor remote " HORN SILENCE" push button.
2 Ensure radiation monitor is energized.
3 Ensure " ALARM RESET OPERATE CHECK SOURCE" switch is in the "0PERATE" position.
4 Ensure proper alarm setpoints:
RM-Al and RM-A2 per the applicable Release Permit RM-A3. RM-A4. and RM-A5 per the applicable Radiation Monitor Setpoint Log 5
Observe trends on other radiation monitors. if
(~'T applicable.
V IE alarm is NOT valid.
1 Select " ALARM Rr. SET OPERATE THEN determine corrective CHECK SOURCE" to the " ALARM action and GO TO Step 3.23 RESET" position.
in this procedure.
2 Initiate required repair efforts.
3 GO TO Step 3.23 in this procedure.
3.6 IE radiation monitor is off scale high.
THEN ensure " RANGE" switch selected to "1M setting.
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3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.7 Notify Health Physics and Chemistry of radiation monitor actuation.
3.8 Evacuate affected areas.
1 Determine evacuation requirements of if required.
affected area based on the following:
Radiation levels-Location Work being performed Health Physics input 2
IF evacuation is required.
THEN perform the following:
Depress appropriate (n
evacuation alarm push button.
Notify plant personnel over PA.
Repeat PA announcement.
3.9 Review current Operation.
Maintenance, and Chemistry activities for any actions that may have caused the actuation.
l 3.10 Stop activities suspected of causing increased radiation levels and restore systems as i
necessary.
%.)
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3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS l
3.11 E RM-Al Gas is NOT actuated.
l THEN GO TO Step 3.14 in l
this procedure.
l l
3.12 E RM-Al Gas indicates or a]proaches off-scale high.
TlEN select RM-Al l
"LMH VALVE CONTROLLER" l
to "AUT0".
1 3.13 E main RB purge was e
Notify Health Physics terminated.
Supervisor.
THEN perform compensatory t
l actions.
e Notify NSM to ensure equipment hatch is closed.
j e
Notify PP0 to ensure at least one personnel air lock door or temporary door is closed (Health Physics and Security may be required).
e Notify SP0 to ensure purge heaters l
are de-energized (95 ft TB Unit l
480V SWGR Room):
480V HEATING AUX BUS 3-3A l.
"AHHE-16A A RB Purge Heating Coil" 480V HEATING AUX BUS 3-4A l
"AHHE-16B B PB Purge Heating Coil" 3.14 E RM-A2 Gas is NOT actuated.
THEN GO TO Step 3.18 in this procedure.
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3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS l
l 3.15 E AB has NOT been e
Notify PP0 to ensure AHF-34A evacuated.
" HOT MACH. SHOP WELD. HOOD EXH THEN ensure AHF-34A is FAN" (119 ft AB Hot Machine stopped.
Shop) is stopped.
I l
CAUTION If WGDTs are leaking into the AB, hydrogen concentrations may reach l
explosive levels.
i 3.16 E AB has NOT been e Ensure WGDT outlet valves are closed i
evacuated.
(95 ft AB Rad Waste Panel):
THEN notify PPO to isolate WG system.
WDV-436 WDV-437 WDV-438 e Ensure WG header to vent valves are closed:
WDV-489 "SW Surge Tank Vent to WG Iso" (95 ft AB Sea Water Room l
above DCT-1B) i WDV-337 "ECST Vent to WG Iso" (143 ft AB behind WDT-10A) l 3.17 E RM-A2 Gas indicates or approaches off-scale high.
l THEN select RM-A2 "LMH l
VALVE CONTROLLER" to i
l "AUT0" O
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3,0 FOLLOW UP ACTIONS (CONT'0)
[)
ACTIONS DETAILS v
3.18 E RM-A3 Gas is actuated.
- Notify PPO to verify closing air AND AB has NOT been pressure > 17 psig on AH-825-PI evacuated.
"D 29 D 36 AIR TO CLOSE" THEN verify dampers D 29 (143 ft AB Panel-15AB).
and D 36 are closed.
3.19 E RM-A5 is NOT actuated.
THEN GO TO Step 3.23 in i
this procedure.
NOTE Chemistry sample fans can operate while RM-A5 Gas is actuated when AHF-20A or AHF-208 is running in slow speed.
/7 3.20 E AHF-20A and AHF-20B are
()
stopped.
AHF-44A THEN ensure chemistry sampling fans are stopped.
AHF-30 AHF-44B 3.21 Establish CC ventilation 1
Ensure AHD-3 is open.
in emergency recirc.
2 Ensure only one train of CC ventilation running:
A Train B Train
__ AHF-18A AHF-18B AHF-19A AHF-19B g) l_
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l 3.0 FOLLOW UP ACTIONS (CONT'D)
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ACTIONS DETAILS j
w; 3.22 WHEN CC air has a nigher 1
Select " DAMPER OVERRIDE" switch activity than outside air.
to "0N" THEN override RM-A5 actuation.
2 Adjust "CNTRL COMPLEX RECIRC DMPR" potentiometer to the "10" (Full Flow) position.
i 3.23 WHEN radiation monitor can
- Select " ALARM RESET" for the be reset, affected radiation monitor:
THEN reset monitor.
RM-Al RM-42 RM-A3 RM-A4 e'
RM-A5 V) f 3.24 IE any of the following OP-409. Plant Ventilation radiation monitors have System. Section 4.4 been reset:
- OP-417. Containment Operating RM-Al Procedure, either of the following:
RM-A2 Section 4.5, Reactor Bldg Purge RM-A3 Section 4.7, RB Pressure Equalization / Mini-Purge Under RM-A4 Non-Accident Conditions EM-225A. Post Accident RB AND plant ventilation or RB purge restoration is Hydrogen Control, as directed
- required, by TSC.
THEN see the appropriate plant procedure (s).
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3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.25 IE RM-A5 was reset.
1 Place "CNTRL COMPLEX RECIRC AND " DAMPER OVERRIDE" DMPR" in "0" (Full Recirc) switch is "0N".
position.
THEN restore CC Recirc Damper to normal.
2 Select " DAMPER OVERRIDE" switch to "0FF".
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3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.26 JF RM-A5 was reset.
1 Ensure Only one train of CC THEN restore CC ventilation operating:
ventilation to normal.
A Train B Train AHF-17A AHF-17B AHF-19A AHF-19B 2
Select both " CONTROL COMPLEX HVAC ISOLATE / RESET" switches'to
" RESET".
3 Ensure dampers properly reposition:
Closed AHD-2C Open AHD-2E
)
AHD-1C AHD-1E l
l 4 Ensure only one train of ventilation operating:
A Train B Train AHF-20A AHF-20B AHF-44A AHF-44B AHF-30 AHF-30 5
Verify AHD-12 open.
6 Verify AHD-12D open.
7 Ensure AH-032-FIR. Channel A indicates = 35.000 cfm.
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1 3.0 FOLLOW UP ACTIONS (CONT'D)
ACTIONS DETAILS l
3.27 EXIT this procedure.
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RM Al Gas Closed:
AHV 1C AHV 1A l
AHV 1B AHV 1D LRV 70 LRV 73 LRV 72 LRV 71 RM A2 Gas Stopped:
AHF 30 AHF-9A AHF-11A AHF 10 AHF 11B AHF-98 AHV 3 Table 1:
RM A3 RM Auto Actions Stopped:
AHF 11A
__ M 118 RM A4 Stopped:
AHF 10 RM A5 Gas or Iodine Closed:
AHD 12 AHD 2E AHD 12D AHD 1C
_ _ AHD 2C AHD 1E Open:
AHD 3 Stopped:
AHF 17A AHF 17B AHF 19A AHF 19B 1
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