ML17250A578
| ML17250A578 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 05/07/1980 |
| From: | ROCHESTER GAS & ELECTRIC CORP. |
| To: | |
| Shared Package | |
| ML17250A560 | List: |
| References | |
| PT-2.3.1, NUDOCS 8009160577 | |
| Download: ML17250A578 (11) | |
Text
~ PAP<4 6"
ROCHESTER GAS AND ELECTRIC CORPORATION GINNA STATION CONTROLLED COPY NUMBER GIN NA STATION UNIT'4l, COMPLETED DATE:-
TIME':-
PROCEDURE NO.
PT-2.3,1 REV.
NO.
POST ACCIDENT CHARCOAL FILTER DAHPERS I
TECHNICAL REVIEW PORC 4/28/80 QC REVIEW DATE APPROVED FOR USE LANT SUPERINTENDENT DATE QA~ NGN-QA CATEGORY 1.0 REVIEWED BY:
THIS PROCEDURE CONTAINS 8
PAGES Sooexeo 5'~ 7
PT-2.3.1:1 PT-2.3.1
.0 PURPOSE:
POST ACCIDENT CHARCOAL FILTER DAMPERS To provide the necessary steps to check operability of dampers associated with the Containment Recirculation fan charcoal filter flow paths.
1.2 To provide the necessary steps to check monthly each recirculaton fan unit.
2.0 TEST REQUIREMENTS:
2.1 2.2 To exercise each air operated damper through a complete stroking cycle, monthly.
To time each damper during its opening and closing stroke, quarterly.
2.2.1 For stroke direction of primary concern (denoted by symbol +) the reference time as indicated on instruction sheet may not be exceeded.
2.2.2 Stroking time in the opposite direction within the indicated tolerance is desired but not essential for verification of proper damper operability.
To verify that each air operated damper assumes its fail safe position upon loss of system control air pressure, quarterly.
To inspect each recirculation fan unit for signs of water within the filtration area, monthly.
3.0 REFERENCES
3.1 3.2 3.3 Applicable System Flow Diagram Quality Assurance Manual, Appendix "C" ASME Code, Section ll, Subsection lW
4.0 INITIALCONDITIONS
4.1 Damper surveillance may be performed during any plant operating mode.
4.2 Any control room personnel involved in the test (other than simple request to actuate a control board switch) will not have simul-taneous plant responsibilities relative to normal duties and routine operation.
~ 4 Unasterisked steps on instruction sheets will be completed and initialed each time procedure is performed (N/A steps which are not required).
Single asterisked steps on instruction sheets will be completed and initialed on at least quarterly intervals.
PT-2.3.1:2 Any abnormality or erratic damper action observed during performance of procedure shall be noted.
A maintenance work order trouble card shall be submitted for the concerned damper.
Test personnel will be qualified in accordance with A-1102 Procedure.
4.7 An SWP has been issued by HP Department to permit containment entry and recirculation fan unit inspection.
5.0 PRECAUTIONS
5.1 For complete verification of all dampers of a charcoal unit and its containment recirculation fan, the fan breaker must be placed in test position.
Ensure the. following equipment operable.
(Applies only when Rx is being maintained critical).
5.1.1 5.1.2 Remaining charcoal unit Remaining thiee containment recirculation fans
- 5. 1.3 5.2 Both A 6 B Containment Spray pumps Observe all requirements of SWP for containment entry.
6.1.1 INSTRUCTIONS
1A Recirculation Fan Dam ers.
Ensure 1A Fan in service and visually verify the following:
6.1.1.1 Loop entry damper lF-LED (5873) is open.
6.1.1.2 Charcoal unit inlet damper lI-CID (5871) is closed.
6.1.1.3 Charcoal unit outlet damper 1K-COD (5872) is closed.
6.1.1.4 Green indicating light for charcoal dampers is illuminated.
6.1.2 Press in armature button of CF1A/L relay (latch in type relay),
verify the following and time dampers as required.
6.1.2.1 1F LED damper assumes its fully closed position.
6.1.2.2 1I CID damper assumes its fully open position.
6.1.2.3 lK COD damper assumes its fully open position.
Green indicating light (at C.B.) for charcoal dampers is extinguished.
~"
PT-2.3.1:3
6.1.3 Damper travel time NOTE:
All three dampers swing with actuation of CFlA/L relay,
- hence, depending on number of personnel involved at damper location, it may be necessary to repeat relay actuation several times until all damper timings have been obtained.
Dampers may be reset to normal by momentarily pressing in the armature button of the reset relay.
="6.1.3.1 lF LED travel time in close direction.
SECONDS Acceptable time:
(+)
CLOSE 23 SEC.
-6.1.3.2 11 C1D travel time in open direction.
SECONDS Acceptable time:
(+) OPEN 22
. SEC.
="6.1.3.3 1K COD travel time in open direction.
SECONDS Acceptable time:
(+)
OPEN 23 SEC.
6.1.4
'Return lA Fan Dampers to their normal position by pressing in armature button of reset relay, verify the following and time dampers as required.
6.1.4.1 lF LED assumes full open position.
6.1.4.2 lI CID assumes its fully closed position.
l.4.3 lK COD assumes its fully closed position.
6.1.4.4
"-6.1.5 Green indicating light for charcoal dampers is illuminated.
Damper travel time NOTE:
All three dampers swing with actation of CF1A/L relay,
- hence, depending on number of personnel involved at damper location, it may be necessary to repeat relay actuation several times until all damper timings have been obtained.
Dampers may be reset to normal by momentarily pressing in the armature button of the reset relay.
- "6.1.5.1 lF LED travel time in open direction.
SECONDS
-"6.1.5.2 Acceptable Time:
OPEN 52 SEC.
11 CID travel time in close direction.
SECONDS "6.1.5.3 Acceptable Time:
CLOSE 31 SEC.
1K COD travel time in close direction.
SECONDS Acceptable Time:
CLOSE 25 SEC.
1C Recirculation Fan Dam ers, 6.2.1 Ensure 1C Fan in service and visually verify the following:
PT-2.3.1:4 6.2.1el 6.2.1.4 6.2.2 Loop entry damper 1H-LED (5875) is open.
Charcoal unit inlet damper 1J CID (5876) is closed.
Charcoal unit outlet damper 1L COD (5874) is closed.
Green indicating light for charcoal dampers is illuminated.
Press in armature button of CFlC/L relay (latch in type relay), verify the following and time dampers as required.
6.2.2.1 1H LED damper assumes its fully closed position.
6.2.2.2 6.2.2.3 6.2.2.4 1J CID damper assumes its fully open position.
. 1L COD damper assumes its fully open position.
Green indicating light (at C.B.) for charcoal dampers is extinguished.
='6.2.3 Damper travel time i
NOTE:
All three dampers swing with actuation of CFlC/L relay,
- hence, depending on number of personnel involved at damper location, it may be necessary to repeat relay actuation several times until all damper timings have been obtained.
Dampers may be reset to normal by momentarily pressing in the armature button of the reset relay.
1H LED travel time in close direction.
SECONDS Acceptable time:
(+)
CLOSE 23
. SEC.
-6.2.3.2 1J CID travel time in open direction.
SECONDS Acceptable time:
(+)
OPEN 25 SEC.
-6.2.3.3 6.2.4 1L COD travel time in open direction.
Acceptable time:
(+)
OPEN 3l SEC.
Return 1C Fan dampers to their normal position by pressing in armature button of reset relay, verify the following and time dampers as required.
SECONDS 6.2.4.1 1H LED assumes its fully open position.
6.2.4.2 1J CID assumes its fully closed position.
6 '.4.3
~
~
2.4.4 1L COD assumes its fully closed position.
Green indicating light for charcoal dampers is illuminated.
6.2.5 Damper travel time NOTE:
All three dampers swing with actuation of CF1C/L relay,
- hence, depending on number of personnel involved at damper location, it may be necessary to repeat relay actuation several times until all damper timings have been obtained.
Dampers may be reset to normal by momentarily pressing in the armature button of the reset relay.
-'6.2.5.1 1H LED travel time in open direction.
SECONDS Acceptable Time:
OPEN 32 SEC.
6.2.5.2 1J CID travel time in close direction.
SECONDS Acceptable time:
CLOSE 34 SEC.
-6 '.5.3 1L COD travel time in close direction.
SECONDS Acceptable time:
CLOSE 27 SEC.
"-6.2.6.1 Remove 1C fan from service.
-".2.6.2 Place 1C fan 480 volt breaker in test position.
.6.3 Close 1C fan breaker and verify the following:
-o.2.6.3.1 1H LED is open.
"-6.2.6.3.2
'"6.2'.3.3
- "6.2.6.3.4
"-6.2.6.4 1J CID is closed.
1L COD is closed.
Green indicating light for charcoal dampers is illuminated.
Perform the followin for lH LED dam er.
"6.2.6.4.1
<:6.2.6.4.2
-6.2.6.4 '
Shut off air supply to control solenoid for 1H LED damper and void piston air by breaking tubing fitting downstream of air supply valve.
As piston air bleeds to atmosphere verify that lH LED damper assumes its fully closed position.
Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to normal, that 1H LED damper assumes its fully open position.
.2.6.5 Perform the followin for 1J CID dam er:
2.6.5.1 Shut off air supply valve to control solenoid for 1J CID damper and void piston air by breaking tubing fitting downstream of air supply valve.
PT-2.3.l:6
"=6.2.6.5.2
'As piston air bleeds to atmosphere verify that 1J CID damper assumes its fully open position.
f
.6.5.3 Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to normal lJ CID damper assumes its fully closed position.
"-6. 2. 6. 6 Perform the followin for lI, COD dam er:
"-6.2.6.6.l Shut off air supply valve to control solenoid for 1L COD damper and void piston air by breaking tubing fitting downstream of air supply valve.
-6.2.6.6.2 As piston air bleeds to atmosphere verify that lL COD damper assumes its fully open position.
"6.2.6.6.3 Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to normal lL COD damper assumes its fully closed position.
-6.2.7 Return lC Fan breaker to the fully racked in position.
-"6 ~ 2. 8 Check 480 volt breaker operability by starting lC Fan and permit fan to run for a few minutes.
After this fan may be left in service or removed from service at discretion of operations.
-"6.2. 9 To verif failure mode of damgers u on loss of su 1
air ressure erform the followin :
-6.2.9.2 "6.2.9.3 Remove lA fan from service.
Place 1A fan 480 volt breaker in test position.
Close 1A fan breaker and verify the following:
-6.2.9.3.1 1F LED is open.
":6.2.9.3.2 1I CID is closed.
="6.2.9.3.3 1K COD is closed.
<6.2.9.3.4 Green indicating light for charcoal dampers is illuminated.
"-6.2.9.4 Perform the followin for 1F LED damper
- "6.2.9.4.1
="6.2.9.4.2 Shut off air supply to control solenoid for 1F LED damper and void piston air by breaking tubing fitting downstream of air supply valve.
As piston air bleeds to atmosphere verify that 1F LED damper assumes its fully closed position.
2.9.4.3
~
~
Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to.normal that 1F LED damper assumes its fully open position.
PT.-2.3.1:7 "6.2.9.5 Perform the followin 'for 1I CID damper:
~
~
~
2.9.5.1 Shut off air supply valve to control solenoid for lI CID damper and void piston air by breaking tubing fitting down-stream of air supply valve.
'"6.2.9.5.2 As piston air bleeds to atmosphere, verify that 1I CID damper assumes its fully open position.
6.2.9.5.3 Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to normal 1I CID damper assumes its fully closed position.
':6.2.9.6 Perform the followin for 1K COD dam er:
- "6.2.9.6.1 Shut off air supply valve to control solenoid for 1K COD damper and void piston air by breaking tubing fitting downstream of air supply valve.
-"6.2.9.6.2 "6,2.9.6.3
=
'6.2.10 2.11 As piston air bleeds to atmosphere verify that 1K COD damper assumes its fully open position.
Retighten tubing fitting, turn on supply air and verify that as piston pressure increases to normal lK COD damper assumes its fully closed position.
Return lA Fan Breaker to the fully racked in position.
Check 480 volt breaker operability by starting 1A Fan and permit fan to run for a few minutes.
After this fan may be left in service or removed from service at discretion of Operations.
6.3 Monthl Ins ection of Containment Recirc Units - Perform inspection of each Recirculation unit as per Instructions on Attachment I.
6.3.1 6.3.2 6.3.3 6.3.4 "A" Recirc. Unit inspection complete.
'"B" Recirc. Unit inspection complete.
"C" Recirc. Unit inspection complete.
"D" Recirc. Unit inspection complete.
6.4 Notify Operations upon completion of procedure.
Inform Operations they may operate recirc.
fans as desired.
I COMPLETED BY'.~
SHIFT SUPERVISOR:
RESULTS AND TEST REVIEW:
DATE DATE
PT-2.3.1:8
. ATTACHMENT I Ensure recirc. fan unit is not in operation.
Ensure each drain is not restricted and each is free of foreign material.
Inspect fan chiller piping area for possible service water leaks.
4.
Inspect roughing filter-HEPA section for evidence of water about floor area and any water damage to HEPA filter units.
5.
Submit a Trouble Card if any discrepancies are noted.
COMPLETED BY:
DATE COMPIETED: