ML17264A203
| ML17264A203 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 07/26/1995 |
| From: | Joss G ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17264A201 | List: |
| References | |
| PT-2.3.1Q, NUDOCS 9510260341 | |
| Download: ML17264A203 (44) | |
Text
ROCHESTER GAS AND ELECTRIC CORPORATION G INNA STATION CONTROLLED COPY NUMBER ~@
PROCEDURE NO. PT-2.3.1 Q REV. NO.
POST ACCIDENT CHARCOAL FILTER DAMPERS - QUARTERLY (0
SPONSIBL AG EFFECTIVE DATE GINNA STATION START; CATEGORY 1.0 DATE TIME REVIEWED BY: COMPLETED:
DATE THIS PROCEDURE CONTAINS 39 PAGES TIME:
9510260341 951018 PDR ADQCK 05000244 P PDR
(4 r
PT-2.3.1 Q:1 PT-2.3.1 Q POST ACCIDENT CHARCOAL FILTER DAMPERS - QUARTERLY
1.0 PURPOSE
To provide instructions for verifying operability and stroke timing the dampers associated with the Containment Recirculation Fan filter flow paths.
1.2 To provide instructions for performing the monthly inspection of the Containment Recirculation Units.
.,1.3 Verify Containment Recirculation Fan air flow is greater than 40,400 SCFM to ensure sufficient cooling during the limiting main steam line break accident.
1.4 Measure Containment Recirculation Fan Moisture Separator, HEPA Filter and Charcoal Accident Filter differential pressures on an annual basis;-
2.0 TEST REQUIREMENTS:
2.1 To exercise each damper'hrough a complete stroking cycle.
2.2 To stroke time each damper in the direction of concern.
2.2.1 Acceptable Stroke Times provided in the procedure may not be exceeded.
2.3 To verify each damper assumes its fail safe position upon loss of control air pressure.
Fail safe operation is verified by normal damper operation.
t 2.4 To verify loop entry dampers on the Containment Recirc Fans' and D are closed when associated fans are secured.
2.5 To operate each Post Accident Charcoal Filter Unit in the Recirc Mode for at least fifteen minutes.
2.6 To inspect each Containment Recirculation Unit for signs of water within the, filtration area.
PT-2.3.1 Q:2 2.7 To inspect each Containment Recirculation Unit Demister Unit for combustibility.
2.8 To verify operability and proper orientation and flow in the accident mode.
2.9 To verify operability of the Containrrient Recirc Fan local start stations on an annual basis prior to the RCS exceeding 200 F.
2.10 Measure differential pressure in inches of water across the Containment Recirc Fans moisture separators, HEPA filters and Charcoal Accident filters.
2.11 ~
Evaluate total Containment Recirc Fan Filter Train total differential pressure by summing the individual pressure drops for the filter train components (moisture separators, HEPA filters and charcoal filters for accident trains).
2.12 Measure Containment Recirc Fan Filter Train air flow.
2.13, Completion of the Independent Verification Check.
3.0 REFERENCES
3.1 33013-1863, Containment HVAC Systems.
3.2 Tech. Specs. Section 4.5.2.3.5.
3.3 S-23.5, Post Accident Charcoal Filter Operation.
3.4 ANSI N510-1989 [Applies only to Demister [Moisture Separators) Unit Combustibility Visual Inspections] Section 5.5.1.6.
3.5 Results and Test Acceptance Criteria Basis (ACB) File.
3.6 Design Analysis, "Development of a CRFC Fan Performance Curve", DA-IVIE-93-038.
3.7 TREND 95-058.
PT-2.3.10:3
4.0 INITIALCONDITIONS
4.1 Damper surveillance may be performed during any plant operating mode.
4.2 Notify Shift Supervisor at start of test.
4.3 Notify Head Control Operator at start of test.
4.4 Any abnormality or erratic damper action observed during performance of procedure shall be noted. A Work Request/Trouble Report shall be submitted for the concerned damper.
4.5 A Shortridge Airdata Multimeter is available and has been calibrated within the last 18 months.
4.6'est personnel are qualified in accordance with A-1102.
4.7 A Radiation Protection Work Permit has been issued by RP Department to permit Containment entry and/or Recirculation Unit inspection.
4.8 If this procedure is being performed as an unscheduled test or following maintenance, initial those sections being completed and mark the remainder N/A.
4.9 If the annual local start test is required, ensure Tavg is less than 200 F and a Licensed Operator is available to perform local start. (Mark N/A if annual test not required)
5.0 PRECAUTIONS
5.1 Only one group of Containment Recirc dampers shall be tested at a time.
5.2 Observe all requirements of the Radiation Protection Work Permit for Containment entry.
5.3 The Shift Supervisor shall be notified immediately if any acceptance criteria is not met or any malfunction or abnormal conditions occur.
5.4 The Local-Remote switch shall not be placed in LOCAL unless Tavg is less than 200'F.
PT-2.3.1 Q:4
6.0 INSTRUCTIONS
Containment Recirculation Fan A Dam ers NOTE: Steps 6.1.1 through 6.1.4 can be performed in any order.
6.1.1 Verify or place the Containment Recirc Fan A in service.
6.1.2 Verify or place the Containment Recirc Fan D in service.
6.1.3 Ensure secured or secure the Containment Recirc Fan B.
6.1.4 Ensure secured or secure the Containment Recirc Fan C.
6.1.5 Visually verify the following damper positions:
1F-LED (5873), Loop Entry Damper OPEN 6.1.5.2 1I-CID (5871), Charcoal Unit Inlet CLOSED 6.1.5.3 1K-COD (5872), Charcoal Unit Outlet CLOSED 6.1.6 At the MCB, verify the Green indicating light for charcoal dampers is ON.
6.1.7 Verify the 1B Recirc Fan LED (5880) is closed.
NOTE: When CF1A/L relay is actuated all three dampers operate, therefore, depending on number of personnel involved, it may be necessary to repeat relay actuation several times to obtain damper stroke times.
6.1.8 Ensure test personnel are in place and ready to perform damper stroke
'iming.
NOTE: Stroke timing is from audible activation of solenoid valve, to damper position pointer alignment with travel stop arrow.
NOTE: CF1A/L is a latch in relay, located in Relay Room, Rack RA2 Front
PT-2.3.1 0:5 6.1.9 Press in CF1A/L relay armature button, and perform damper timing.
6.1.10 Record the following stroke times:
6.1.10.1 1F-LED (5873), Stroke Time CLOSED SECONDS
'ACB ¹ Basis for Acceptance Criteria:
Limit/
Value .6 26.6 Sec 94-93 6.1.10.2 1I-CID (5871), Stroke Time OPEN SECONDS ACB ¹ Basis for Acceptance Criteria:
Limit/
Value 5 28.6 Sec 94-94 A 6.1.10.3 1K-COD (5872), Stroke Time OPEN SECONDS ACB 4 Basis for Acceptance Criteria:
Limit/
Value 5 30.1 Sec 94-95 A NOTE: If necessary press 1A CRF RESET button and re-perform steps 6.1.9 through 6.1.11 until all stroke times are obtained.
6.1.11 At the MCB, verify the Green indicating light for charcoal dampers is OFF.
6.1.12 Record time dampers switched to Recirc Mode. hr.
PT-2.3.1 0:6 6.2 Containment Recirculation Fan Accident Train A Air Flow Data Filter Trains A and D 6.2.1 Filter Train A:
NOTE: Air flow measurements require test personnel to enter the filter unit between the HEPA filters and the moisture separator roughing filters. When measurements are being taken, the doors into the unit must be CLOSED to prevent erroneous readings.
6.2.1.1 Using a Shortridge Airdata Multimeter in standard mode and with the Vel-Grid attachment, obtain Filter Train A air flow out of the moisture separator roughing filters. Use Figure 3 for the location of the air flow data points.
6.2.1.2 Record data on Attachment A, Filter Train A Air Flow Data Sheet.
6.2.1.3 Calculate Filter Train A Air Flow as per Attachment A.
6.2.1.4 Ensure Filter Train A air flow is greater than 40,400 SCFM. In the event that the air flow is 40,400 SCFM or less, the "A" Filter train shall be declared inoperable and not returned to service until the condition has been corrected.
ACB¹ Basis for Acceptance Criteria Limit/Value 95-168 ) 40,400 SCFM 6.2.1.5 Record HEPA Filter Magnehelic DP on Attachment A.
0 PT-2.3.1 0:7 6.2.2 Filter Train D:
NOTE: Air flow measurements require test personnel to enter the filter unit between the HEPA filters and the moisture separator roughing filters. When measurements are being taken, the doors into the unit must be CLOSED to prevent erroneous readings.
6.2.2.1 Using a Shortridge Airdata Multimeter in standard mode and with the Vel-Grid attachment, obtain Filter Train D air flow out of the moisture separator roughing filters. Use Figure 3 for the location of the air flow data points.
6.2.2.2 Record data on Attachment D, Filter Train D Air-Flow Data Sheet.
6.2.2.3 Calculate Filter Train D Air Flow as per Attachment D.
6.2.2.4 Ensure Filter Train D air flow is greater than 40,400 SCFM. In the event that the air flow is 40,400 SCFM or less, the "D" Filter train shall be declared inoperable and not returned to service until the condition has been corrected.
ACB¹ Basis for Acceptance Criteria Limit/Value
) 40,400 SCFM 95-171 6.2.2.4 Record HEPA Filter Magnehelic DP on Attachment D.
0 PT-2.3.1 Q:8 6.3 Containment Recirc Fan Accident Train A Air Pressure Data Filter Trains A and D NOTE: This section may be marked N/A if the annual test is not required.
NOTE: Refer to Figures 1 and 2 for locations of test points.
NOTE: Total air pressure readings are taken with low pressure connection on the Air Multimeter disconnected and the high pressure connected to the dynamic port on the velprobe.
6.3.1 Filter Train A:
6.3.1.1 Obtain air pressure data at the Containment Recirc Fan A'sing the Shortridge Air Multimeter with the velprobe as follows:
6.3.1.2 Remove the instrument port cap at Location 1 on the Containment Recirc Fan A Unit.
6.3.1.3 Take total air pressure readings in inches of water ("H20I at Location 1 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc1 3
4 II 8" + 12" 3 Ave. Rdg Loc1 6.3.1.4 Replace the instrument port.cap at Location 1.
6.3.1.5 Remove the instrument port cap at Location 2 on the Containment Recirc Fan A Unit.
PT-2.3.1 0:9 6.3.1.6 Take total air pressure readings in inches of water ("H20) at Location 2 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc2 3
411 8 II 1 2 II 3 Ave. Rdg Loc2 6.3.1.7 Replace the instrument port cap at Location 2.
6.3.1.8 Calculate Containment Recirc Fan A Unit Moisture Separator differential pressure as follows:
Ave. Rdg Loc1 - Ave. Rdg Loc2 = Mst Sep DP Ave Rdg Loc1 Ave Rdg Loc2 Mst Sep DP ("H20) 6.3.1.9 Transfer Containment Recirc Fan A Unit Moisture Separator differential pressure to Containment Recirc Fan A Inservice Test Sheet.
6.3.1.10 Remove the instrument port cap at Location 3 on the Containment Recirc Fan A Unit.
6.3.1 ~ 11 Take total air pressure readings in inches of water ("H20) at Location 3 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc3 3
4" + 8 II 12" 3 Ave. Rdg Loc3
PT-2.3.1 0:10 6.3.1.12 Calculate Containment Recirc Fan A Unit HEPA Filter differential pressure as follows:
Ave. Rdg Loc2 - Ave. Rdg Loc3 = HEPA Filter DP Ave Rdg Loc2 Ave Rdg Loc3 HEPA Filter DP ("H20) 6.3.1.13 Transfer Containment Recirc Fan A Unit HEPA Filter differential pressure to Containment Recirc Fan A Inservice Test Sheet.
6.3.1.14 Take total air pressure readings in inches of water at Location A07 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg A07 3
4 II 8" + 12" Ave. Rdg A07 6.3.1.15 Take total air pressure readings in inches of water at Location A10 at depths of 4", 8" and 12" and calculate the average pressure reading as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg A10 3
4 II 8" + 12" 3 Ave. Rdg A10 6.3.1.16 Calculate the "A" Train Charcoal Filter differential. pressure as follows:
Ave. Rdg A07 - Ave. Rdg A10 = Char Filter DP Ave Rdg A07 Ave Rdg A10 Char Filter DP ("H20)
PT-2.3.10:11 6.3.1.17 Transfer "A" Train Charcoal Filter differential pressure to Containment Recirc Fan A Inservice Test Sheet.
6.3 Calculate the total A Filter Train differential pressure as follows:
I+~+~=
~ 1 ~ 18 Mst Sep DP + HEPA Fltr DP + Char Fltr DP = A Fltr Trn DP
("A" Trn) ("H20)
I MST SEP DP HEPA FLTR DP CHAR FLTR DP A FLTR TRN DP 6.3.1.19 Transfer A Filter Train differential pressure to Containment Recirc Fan A Inservice Test Sheet.
6.3.2 Filter Train D:
6.3.2.1 Obtain air pressure data at the Containment Recirc Fan D using the Shortridge Air Multimeter with the velprobe as follows:
6.3.2.2 Remove the instrument port cap at Location 1 on the Containment Recirc Fan D Unit.
6.3.2.3 Take total air pressure readings in inches of water ("H20) at Location 1 at depths of 4", 8" and 12" and calculate the average pressure reading as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc1 3
4 II 8" + 12" 3 Ave. Rdg Loc1 6.3.2.4 Replace the instrument port cap at Location 1.
6.3.2.5 Remove the instrument port cap at Location 2 on the Containment Recirc Fan D Unit.
PT-2.3.1 Q:1 2 6.3.2.6 Take total air pressure readings in inches of water ("H20) at Location 2 at depths of 4", 8" arid 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc2 3
4 II 8" + 12" 3 Ave. Rdg Loc2 6.3.2.7 Replace the instrument port cap at Location 2.
6.3.2.8 Calculate Containment Recirc Fan D Unit Moisture Separator differential pressure as follows:
Ave. Rdg Loc1 - Ave. Rdg Loc2 = Mst Sep DP Ave Rdg Loc1 Ave Rdg Loc2 Mst Sep DP ("H20) 6.3.2.9 Transfer Containment Recirc Fan D Unit Moisture Separator differential pressure to Containment Recirc Fan D Inservice Test Sheet.
6.3.2.10 Remove the instrument port cap at Location 3 on the Containment Recirc Fan D Unit.
6.3.2.11 Take total air pressure readings in inches of water ("H20) at Location 3 at depths of .4", 8" and 12" and calculate the 'average pressure as follows:
readin 4" + readin 8" '+ readin 12" = Ave. Rdg Loc3 3
4" + 8 II 12" Ave. Rdg Loc3
PT-2.3.1 0:1 3 6.3.2.12 Calculate Containment Recirc Fan D Unit HEPA Filter differential pressure as follows'.
Ave. Rdg Loc2 - Ave. Rdg Loc3 = HEPA Filter DP Ave Rdg Loc2 Ave Rdg Loc3 HEPA Filter DP ("H20) 6.3.2.13 Transfer Containment Recirc Fan D Unit HEPA Filter differential pressure to Containment Recirc Fan D Inservice Test Sheet.
6.3.2.14 Calculate the total D Filter Train differential pressure as follows:
Mst Sep BP + HEPA Fltr DP = D Fltr Trn DP
("H20)
Mst Sep DP HEPA Fltr DP D Fltr Trn DP
(.' 6.3.2.15 Transfer D Filter Train differential pressure to Containment Recirc Fan D Inservice Test Sheet.
, 6.4 Containment Recric Unit 8 & C Monthl Ins ection:
6.4.1 Inspect each of the following as per Attachment 1, Containment Recirc Unit Monthly Inspection Check List.
6.4.2 Recirc Unit B 6.4.3 Recirc Unit C
PT-2.3.1 Q:14 6.5 1A Recirculation Fan Dam ers Restoration NOTE: Fan must operate in Recirc Mode for at least fifteen minutes to satisfy Tech Spec requirements.
6.5.1 After at least fifteen minutes of Recirc Mode operation, press 1A CRF relay RESET button.
6.5.2 Record time dampers switched to Normal Mode. hr.
6.5.3 Visually verify the following damper positions:
6.5.3.1 1F-LED (5873), Loop Entry Damper OPEN 6.5.3.2 1I-CID (5871), Charcoal Unit Inlet CLOSED 6.5.3.3 1K-COD (5872), Charcoal Unit Outlet CLOSED 6.5.4 At the MCB, verify the Green indicating light for charcoal dampers is ON.
6.5.5 Record Post Accident Filter run time in S-23.5 located on back of MCB.
6.5.6 Independent Verification NOTE: If annual DP measurements were not performed, mark this step N/A.
6.5.6.1 Containment Recirc Fan A Unit Instrument Port Cap at Location 1.
Cap Installed 6.5.6.2 Containment Recirc Fan A Unit Instrument Port Cap at Location 2.
Cap Installed 6.5.6.3 Containment Recirc Fan A Unit Instrument Port Cap at Location 3.
Cap Installed 6.5.6.4 Containment Recirc Fan D Unit Instrument Port Cap at Location 1.
Cap Installed 6.5.6.5 Containment Recirc Fan D Unit Instrument Port Cap at Location 2.
Cap Installed 6.5.6.6 Containment Recirc Fan D Unit Instrument Port Cap at Location 3.
Cap Installed
PT-2.3.10:15 6.6 Containment Recirculation Fan C Dam ers NOTE: Steps 6.6.1 through 6.6.4 can be performed in any order.
6.6.1 Verify or place the Containment Recirc Fan C in service.
6.6.2 Verify or place the Containment Recirc Fan B in service.
6.6.3 Ensure secured or secure the Containment Recirc Fan A.
6.6.4 Ensure secured or secure the Containment Recirc Fan D.
6.6.5 Visually verify the following damper positions:
6.6.5.1 1H-LED (5875), Loop Entry Damper OPEN 6.6.5.2 1J-CID (5876), Charcoal Unit Inlet CLOSED 6.6.5.3 1L-COD (5874), Charcoal Unit Outlet CLOSED 6.6.6 At the MCB, verify the Green indicating light for charcoal dampers is ON.
6.6.7 Verify the 1D Recirc Fan LED (5877) is closed.
NOTE: When CF1C / L rela y is actuated all three dampers operate, therefore, depending on number of personnel involved, it may be necessary to repeat relay actuation several times to obtain damper stroke times.
6.6.8 Ensure test personnel are in place and ready to perform damper 'stroke timing.
NOTE: Stroke timing is from audible activation of solenoid valve, to damper position pointer alignment with travel stop arrow.
NOTE: CF1C/L is a latch in relay, located in Relay Room, Rack RA3 Front 6.6.9 Press in CF1C/L relay armature button, and perform damper timing.
e PT-2.3.1Q:16 6.6.10 Record the following stroke times:
6.6.10.1 1H-LED (5875), Stroke Time CLOSED SECONDS ACB ¹ Basis for Acceptance Criteria:
Limit/
Value 6 26.7 Sec 94-96 A 6.6.10.2 1 J-CID (5876), Stroke Time OPEN SECONDS ACB ¹ Basis for Acceptance Criteria:
Limit/
Value ~ 29.5 Sec 94-97 A 6.6.10.3 1L-COD (5874), Stroke Time OPEN SECONDS ACB ¹ Basis for, Acceptance Criteria:
Limit/
Value 6 36.0 Sec 94-98 A NOTE: If necessary press 1C CRF RESET button and re-perform steps 6.6.9 through 6.6.11 until all stroke times are obtained.
6.6.11 At the MCB, verify the Green indicating light for charcoal dampers is OFF.
6.6.12 Record time dampers switched to Recirc Mode. Hr.
PT-2.3.1Q:17 6.7 ~ Containment Recirculation Fan Accident Train B Air Flow Data Filter T~iC d 6.7.1 Filter Train C:
NOTE: Air flow measurements require test personnel to enter the filter unit between the HEPA filters and the moisture separator roughing filters. When measurements are being taken, the doors into the unit must be CLOSED to prevent erroneous readings.
6.7.1.1 Using a Shortridge Airdata Multimeter in standard mode and with the Vel-Grid attachment, obtain Filter Train C air flow out of the moisture separator roughing filters. Use Figure 3 for the location of the air flow data points.
6.7.1.2 Record data on Attachment C, Filter Train C Air Flow Data Sheet.
6.7.1.3 Calculate Filter Train C Air Flow as per Attachment C.
6.7.1.4 Ensure Filter Train C air flow is greater than 40,400 SCFM. In the event that the air flow is 40,400 SCFM or less, the "C" Filter train shall be declared inoperable and not returned to service until the condition has been corrected.
ACB¹ Basis for Acceptance Criteria Limit/Value 95-170 ) 40,400 SCFM 6.7.1 ' Record HEPA Filter Magnehelic DP on Attachment C.
6.7.2 Filter Train B:
NOTE: Air flow measurements require test personnel to enter the filter unit between the HEPA filters and the moisture separator roughing filters. When measurements are being taken, the doors into the unit must be CLOSED to prevent-erroneous readings.
PT-2.3.1Q:18 6.7.2.1 Using a Shortridge Airdata Multimeter in standard mode and with the Vel-Grid attachment, obtain Filter Train B air flow out of the moisture separator roughing filters. Use Figure 3 for the location of the air flow data points.
6.7.2.2 Record data on Attachment B, Filter Train B Air Flow Data Sheet.
6.7.2.3 Calculate Filter Train B Air Flow as per Attachment B.
6.7.2.4 Ensure Filter Train B air flow is greater than 40,400 SCFM. In the event that the air flow is 40,400 SCFM or less, the "B" Filter train shall be declared inoperable and not returned to service until the condition has been corrected.
Basis for Acceptance Criteria ACBAI'5-1 Limit/Value 69
) 40,400 SCFM 6.7.2.5 Record HEPA Filter Magnehelic DP on Attachment B.
PT-2.3.1 Q:1 9 6.8. Containment Recirc Fan Accident Train B Air Pressure Data Filter Trains
~Band C NOTE: This section may be marked N/A if the annual test is not required.
NOTE: Refer to Figures 1 and 2 for locations of test points.
NOTE: Total air pressure readings are taken with low pressure connection on the Air Multimeter disconnected and the high pressure connected to the dynamic port on the velprobe.
6.8.1 Filter Train B:
6.8.1.1 Obtain air pressure data at the Containment Recirc Fan B using the Shortridge Air Multimeter with the velprobe as follows:
6.8.1.2 Remove the instrument port cap at Location 1 on the Containment Recirc Fan B Unit.
6.8.1.3 Take total air pressure readings in inches of water ("H20) at Location 1 at depths of 4", 8" and 12" and calculate average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc1 3
4" + 8" + 12" 3 Ave. Rdg Loc1 6.8.1.4 Replace the instrument port cap at Location 1 ~
6.8.1.5 Remove the instrument port cap at Location 2 on the Containment Recirc Fan B Unit.
PT-2.3.1 Q:20 6.8.1.6 Take total air pressure readings in inches of water ("H20) at Location 2 at depths of 4", 8" and 12" and record readings. calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc2 3
4 II 8 II 12" 3 Ave. Rdg Loc2 6.8.1.7 Replace the instrument port cap at Location 2.
6.8.1.8 Calculate Containment Recirc Fan B Unit Moisture Separator differential pressure as follows:
Ave. Rdg Loc1 - Ave. Rdg Loc2 = Mst Sep DP Ave Rdg Loc1 Ave Rdg Loc2 Mst Sep DP ("H20) 6.8.1.9 Transfer Containment Recirc Fan B Unit Moisture Separator differential pressure to Containment Recirc Fan B Inservice Test Sheet.
6.8.1.10 Remove the instrument port cap at Location 3 on the Containment Recirc Fan B Unit.
6.8.1.1 1 Take total air pressure readings in inches of water ("H20) at Location 3 at depths of 4", 8" and 12" and calculate average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc3 3
8 II 12" 3 Ave. Rdg Loc3
O~
PT-2.3.1 0:21 6.8.1.12 Calculate Containment Recirc Fan B Unit HEPA Filter differential pressure as follows:
Ave. Rdg Loc2- Ave. Rdg Loc3 = HEPA Filter DP Ave Rdg Loc 2 Ave Rdg Loc 3 HEPA Filter DP ("H20) 6.8.1.13 Transfer Containment Recirc Fan B Unit HEPA Filter differential pressure to Containment Recirc Fan B Inservice Test Sheet.
6.8.1.14 Calculate the total B Filter Train differential pressure as follows:
Mst Sep DP + HEPA Fltr DP = B Lltr Trn DP
("H20)
Mst Sep DP HEPA Fltr DP B Fltr Trn DP 6.8.1.15 Transfer B Filter Train differential pressure to Containment Recirc Fan B Inservice Test Sheet.
6.8.2 Filter Train C:
6.8.2.1 Obtain air pressure data at the Containment Recirc Fan C using the Shortridge Air Multimeter with the velprobe as follows:
6.8.2.2 Remove the instrument port cap at Location 1 on the Containment Recirc Fan C Unit.
PT-2.3.1 0:22 6.8.2.3 Take total air pressure readings in inches of water ("H20) at Location 1 at depths of 4", 8" and 12" and calculate average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc1 3
41I 8" + 12" 3 Ave. Rdg Loc1 6.8.2.4 Replace the instrument port cap at Location 1.
6.8.2.5 Remove the instrument port cap at Location 2 on the Containment Recirc Fan C Unit.
6.8.2.6 Take total air pressure readings in inches of water ("H20) at Location 2 at depths of 4", 8" and 12" and calculate average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc2 3
4ll 8"' 12" 3 Ave. Rdg Loc2 6.8.2.7 Replace the instrument port cap at Location 2.
6.8.2.8 Calculate Containment Recirc Fan C Unit Moisture Separator differential pressure as follows:
Ave. Rdg Loc1 - Ave. Rdg Loc2 = Mst Sep DP Ave Rdg Loc1 Ave Rdg Loc2 Mst Sep DP ("H20) 6.8.2.9 Transfer Containment Recirc Fan C Unit Moisture Separator differential pressure to Containment Recirc Fan C Inservice Test Sheet.
PT-2.3.1 Q:23 6.8.2.10 Remove the instrument port cap at Location 3 on the Containment Recirc Fan C Unit.
6.8.2.11 Take total air pressure readings in inches of water ("H20) at Location 3 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg Loc3 3
4 II 8" + 12" Ave. Rdg Loc3 6.8.2.12 Calculate Containment Recirc Fan C Unit HEPA Filter differential pressure as follows:
Ave. Rdg Loc2 - Ave. Rdg Loc3 = HEPA Filter DP Ave Rdg Loc2 Ave Rdg Loc3 HEPA Filter DP ("H20) 6.8.2.13 Transfer Containment Recirc Fan C Unit HEPA Filter differential pressure to Containment Recirc Fan C Inservice Test Sheet.
6.8.2.14 Take total air pressure readings in inches of water at Location C05 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg C05 3
4" + 8 II 12" 3 Ave. Rdg C05
PT-2.3.1 0:24 6.8.2.1 5 Take total air pressure readings in inches of water at Location C10 at depths of 4", 8" and 12" and calculate the average pressure as follows:
readin 4" + readin 8" + readin 12" = Ave. Rdg C10 3
4" + 8 II 12" Ave. Rdg C10 6.8.2.16 Calculate the "B" Train Charcoal Filter differential pressure as follows:
Ave. Rdg C05 - Ave. Rdg C10 = Char Filter DP Ave Rdg C05. Ave Rdg C10 Char Filter DP ("H20) 6.8.2.17 Transfer "B" Train Charcoal Filter differential pressure to Containment Recirc Fan C Inservice Test Sheet.
6.8.2.18 Calculate the total C Filter Train differential pressure as follows:
Mst Sep DP + HEPA Fltr DP + Char Fltr DP = C Fltr Trn DP
("B" Trn) ("H20)
Mst Sep DP HEPA Fltr DP Char Fltr DP C Fltr Trn DP 6.8.2.19 Transfer C Filter Train differential pressure to Containment Recirc Fan C Inservice Test Sheet.
6.9 Containment Recirc Unit A 5 D Monthl Ins ection:
'6.9.1 Inspect each of the following as per Attachment 1, Containment Recirc Unit Monthly Inspection Check List.
6.9.2 Recirc Unit A 6.9.3 Recirc Unit D
,:4
PT-'2.3.1 0:25 6.10 1C Recirculation Fan Dam ers Restoration NOTE: Fan must operate in Recirc Mode for at least fifteen minutes to satisfy Tech Spec requirements.
6.10.1 After at least fifteen minutes of Recirc Mode operation, press 1C CRF relay RESET button.
6.10.2 Record time dampers switched to Normal Mode. hr.
6.10.3 Visually verify the following damper positions:
6.10.3.1 1H-LED (5875), Loop Entry Damper OPEN 6.10.3.2 1J-CID (5876), Charcoal Unit Inlet CLOSED 6.10.3.3 1L-COD (5874), Charcoal Unit Outlet CLOSED 6.10.4 At the MCB, verify the Green indicating light for charcoal dampers is ON.
6.10.5 Record Post Accident Filter run time in S-23.5 located on back of MCB.
6.10.6 Independent Verification
,4 NOTE: If annual DP measurements were not performed, mark this step N/A.
6.10.6.1 Containment Recirc Fan B Unit Instrument Port Cap at Location 1.
Cap Installed 6.10.6.2 Containment Recirc Fan B Unit Instrument Port Cap at Location 2.
Cap Installed 6.1 0.6.3 Containment Recirc Fan B Unit Instrument Port Cap at Location 3.
Cap Installed 6.10.6.4 Containment Recirc Fan C Unit Instrument Port Cap at Location 1.
Cap Installed 6.10.6.5 Containment Recirc Fan C Unit Instrument Port Cap at Location 2.
Cap Installed 6.10.6.6 Containment Recirc Fan C Unit Instrument Port Cap at Location 3.
Cap Installed
PT-2.3.1 Q:26 Annual Local Start Test of Containment Recirc Fans CAUTION: This section shall only be performed with Tavg less than 200oF NOTE: This section may be marked N/A if the annual test is not required.
6.11.1 Perform local start test for each containment recirc fan as follows:
NOTE: The following steps refer to the specific containment recirc unit being tested. Units not being tested shall be controlled by Operations as required by plant conditions.
Recirc Unit A B C D 6.1.1.1.1 Ensure the CNMT Recirc Fan is not in operation.
NOTE: When the Local-Remote switch is placed in LOCAL, Control Room indication (Red/Green lights) for the CNMT Recirc Fan is lost.
6.11.1.2 Place the CNMT Recirc Pan Local/Remote switch in LOCAL.
6.11.1.3 Verify Annunciator K-14, EMERGENCY SHUTDOWN LOCAL CONTROL is ON.
CAUTION: All local fan operations shall be performed by a Licensed Operator.
6.11.1.4 Start the CNMT Recirc Fan.
6.11.1.5 Stop the CNMT Recirc Fan.
6.11.1.6 Place the CNMT Recirc Fan Local/Remote switch in REMOTE.
6.11.1.7 Verify Annunciator K-14 is OFF.
J I
NOTE: Independent Verification of system restoration shall be performed by an individual knowledgeable in the system and not involved in the initial restoration, normally an Auxiliary or Licensed Operator (active or inactive).
PT-2.3.1 Q:27 6.11.2. INDEPENDENT VERIFICATION 6.11.2.1 A-CNMT Recirc Fan Local/Remote Switch REMOTE 6.11.2.2 B-CNMT Recirc Fan Local/Remote Switch REMOTE 6.11.2.3 C-CNMT Recirc Fan Local/Remote Switch REMOTE 6.11.2.4 D-CNMT Recirc Fan Local/Remote Switch REMOTE COMMENTS:
COMPLETED BY:
DATE COMPLETED:
HEAD CONTROL OPERATOR:
SHIFT SUPERVISOR:
RESULTS 5 TEST REVIEW: DATE
PT-2.3.1 Q:28 ATTACHMENT 1 Containment Recirc Unit Monthl Ins ection Check List UNIT ACB ¹ Basis for Limits/Values94-178 A,C A B C D
- 1. Ensure Recirc Fan Unit is not in Operation.
- 2. Ensure each drain free of foreign material.
- 3. Inspect fan chiller piping area for possible service water leaks.
Inspect WEPA filter section for evidence of water about floor area and any water damage to HEPA filter units.
- 5. Inspect Demister Unit for combustibility utilizing the following criteria:
a) No visual evidence of dirt or debris loading.
b) No visual evidence of oil or foreign materials susceptible to combustion.
- 6. Remove fan units from service which are not needed at this time.
- 7. Submit a Work Request/Trouble Report if any discrepancies are noted.
Key: Basis for Limits/Values V - Vendor E - Engineering A - Administrative C - Code T - Tech Spec COMPLETED BY:
DATE COMPLETED:
I I PT-2.3.1 Q:29 Containment Recirc Fan A Inservice Test Sheet "A" Filter Train Parameter Data Test Measured Parameter Value Moisture Separator DP HEPA Filter DP Charcoal Filter DP "A" Filter Train Total DP Is the Charcoal or HEPA filter DP greater than the Technical Specification operability limit of 3" H20? If the DP is greater than 3" H20, the fitter train shall be declared inoperable and not returned to service until the condition has been corrected.
Yes / No (circle one)
ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-1 72
< 3.00" H20 ACB¹ Basis for Limit/Value (CHARCOAL)
Acceptance Criteria 95-176
< 3.00" H20 Performed by: Date:
Review by: Date:
PT-2.3.1Q:30 Containment Recirc Fan B Inservice Test Sheet "B" Filter Train Parameter Data Test Measured Parameter Value Moisture Separator DP HEPA Filter DP "8" Filter Train Total DP Is the HEPA filter DP greater than the Technical Specification operability limit of 3" H20? If the DP is greater than 3" H20, the filter train shall be declared inoperable and not returned to service until the condition has been corrected.
Yes / No (circle one)
ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-173
( 3.00" H20 Performed by: Date:
Review by: Date:
PT-2.3.1 Q:31 Containment Recirc Fan C Inservice Test Sheet "C" Filter Train Parameter Data Test Measured Parameter Value Moisture Separator DP HEPA Filter DP Charcoal Filter DP "C" Filter Train Total DP Is the Charcoal or HEPA filter DP greater than the Technical Specification operability limit of 3" H20? If the DP is greater than'3" H20, the filter train shall be declared inoperable and not returned to service until the condition'has been corrected.
Yes / No (circle one)
ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-1 74
( 3.00" H20 ACB¹ Basis for Limit/Value (CHARCOAL)
Acceptance Criteria 95-177
( 3.00" H20 Performed by: Date:
Review by: Date:
PT-2.3. 1 Q: 32 Containment Recirc Fan D Inservice Test Sheet "D" Filter Train Parameter Data Test Measured Parameter Value Moisture Separator DP HEPA Filter DP "D" Filter Train Total DP Is the HEPA filter DP greater than the Technical Specification operability limit of 3" H20? If the DP is greater than 3" H20, the filter train shall be declared inoperable and not returned to service until the condition has been corrected.
Yes / No (circle one)
ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-175
( 3.00" H20 Performed by: Date:
Review by: Date:
PT-2.3. 1 Q. 33 Attachment A Filter Train A Air Flow (Moisture Separator)
Data Sheet Location Location Velocity (Ft/Min) 10 12 Total Average (Total : 12)
Air Flow (Ave. +96.39ft ) SCFM Airdata Multimeter: RT-HEPA Filter Magnehelic DP: "H20 ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-1 72
( 3.00" H20 Completed by: Date:
Reviewed by: Date:
Attachment 8 Filter Train B Air Flow (Moisture Separator)
Data Sheet Location Location Velocity (Ft/Min) 3 10 12 Total Average (Total : 12)
Total Flow (Ave. "96.39ft~) SCFM Airdata Multimeter: RT-HEPA Filter Magnehelic DP: "H20 ACBC Basis for Limit/Value (HE PA)
Acceptance Criteria 95-1 73
( 3.00" H20 Completed by: Date:
Reviewed by: Date:
Attachment C Filter Train C Air Flow (Moisture Separator)
Data Sheet Location Location Velocity (Ft/IVlin) 10 12 Total Average (Total : 12)
Total Flow (Ave. "96.39ft') SCFM Airdata Multimeter: RT-HEPA Filter Magnehelic DP: "H20 ACB¹ Basis for Limit/Value (HEPA)
Acceptance Criteria 95-174
( 3.00" H20 Completed by: Date:
Reviewed by: Date:
PT-2.3.1 0:36 Attachment D Filter Train D Air Flow (Moisture Separator)
Data Sheet Location Location Velocity (Ft/Min) 6'0 12 Total Average (Total : 12)
Total Flow (Ave."96.39ft ) SCFM Airdata Multimeter: RT-HEPA Filter Magnehelic DP: "H20 ACB¹ Basis for Limit/Value (HE PA)
Acceptance Criteria 95-175
( 3.00" H20 Completed by: Date:
Reviewed by: Date:
PT-2.3.1 Q:37 Figure 1 CRFC Pressure Test Points Cooling Mst.
Fan Section HEPA Air Flow Coil Sep. Filter 03 Pressure test points, ~, ~, and 03 have plugs installed that mus be removed for pressure readings.
PT-2.3.1 0:38 Figure 2 Cont. Recirc Fan Pressure Test Points or CIO (on top or Post Acc. Flt)
A or 8 Post Accident Charcoal Air Flow Filter A07 or C0$ (Under Post Acc id F I I ter )
PT-2.3.1 0:39 EigLire 3 Moisture Separator Air Flow Points (Looking into Moisture Separator}