ML20052D376
| ML20052D376 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 05/02/1982 |
| From: | Gallo J CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.), ISHAM, LINCOLN & BEALE |
| To: | Bachmann R NRC OFFICE OF THE EXECUTIVE LEGAL DIRECTOR (OELD) |
| References | |
| NUDOCS 8205060461 | |
| Download: ML20052D376 (28) | |
Text
.
ISHAM, LINCOLN & BEALE kLKETED COUNSELORS AT LAW
-/
1920 CONNECTICUT AvtNUE. N.W = SUITE 840 *.?
WASMINGTON. D.C. 20036 EDWAAO S. ISMAu. 1872 '902 202 333-9730 CHICAGO OFFICE ROBERT T UNCOLN. 1872 1889 ONEFIRSTNATIONA' PLAZA wiLUAM G BEALE. ?885-1923 CHICAGO. !LUNOIS 60603 TELEPHONE 312 558-7500 TELEX. 2-5288 I53 May 2, 1982 c) e\\ co 4
Mr. Richard Bachmann, Esquire Office of the Executive Legal
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Director n
,, a U.S.
Nuclear Regulatory J
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Commission
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Washington, D.C.
20555
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Dear Mr. Bachmann:
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I am enclosing Consumers Power Company's response to NRC Staff's Interrogatory No. 12.
The response includes the affidavit of Frank Turski; Big Rock Point Plant procedures identified as MFHS-1, MFHS-2 and MFHS-4; an internal memorandum from C.R. Abel dated November 3, 1980; and a Nuclear Plant Maintenance Order, dated 10/20/90.
Sincerefy, L
e Joseph Gallo cc:
Service List 3
50 9
s II 8205060461 820502 PDR ADOCK 05000155 PDR G
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSICN ATOMIC SAFETY AND LICE'ISING 30ARD Sefore Aininistrative Judges :
Peter 3. Bloch, Chair =an Dr. Oscar H. Paris Mr. Frederick J. Shon In the Matter of Docket No. 50-155 (Spent Fuel Fool A=endment)
CONSiFERS PC'4ER COMPANY (Big Rock Point Plant)
April 29, 1982 State of Michigan
)
)
SS.
County of Charlevoix)
Affidavit of Frank Turski My name is Frank Turski.
I an a Senior Engineer at the Big Rock Point Plant.
!7 qualifications have previously been supplied in respenses to other interrogatories in this proceeding.
Attached, in response to NRC Staff Interrogatory 12 are Big Rock Point Plant procedures KFHS-1, MFHS-2, which describe the maintenance and testing progra=s used to assure 1) that the sling is operational and 2) that the sling is capable of catching a dropped cask.
Upon receipt of the 1980 MPR report, the Plant had modified the tag line drum, reset the wedge clearance and tested the transfer cask to confirm that the conditions in the report concerning vedge clearance, tag line slack and pin clearance, and trip lever position were in fact =et.
Consumers Power Cc=pany's internal =e=o CRAbel to SFC 80-028 describes the drun =achining and subsequent testing, while Big Rock Point maintenance order 80-FHS-291-Oh addressee setting the wedge clearance.
Procedure MFHS-1 and MFES h were recently revised by =e to ensure that the recon =endations contained in the 1980 IGR report vill continue to be =et.
o 2
I swear that the statements =ade in this affidavit are true and correct, to the best of =/ knowledge and belief.
W
]-
, rs/ sed.s/, / /wedu Signed and sworn to before me this 29th day of April, 1982
dhtcets) ui x
Notary Pubried PATR! CIA E. KUJAW3KI fictary Public, Chr:erir ('<- 9. Mich.
My Ccm.T.inica Onn f.u c.h 0,1933
'O
I Form N *, Admin 1.3.A.7.4 bb Consumers
- } P0YG
'y C0mp2HV GRP PROCEDURE APPROVAL AND AUTHORIZATION Procedure No.
MFHS-1 Rev No.
16 Procedure Title TRANSFER CASK PREPARATION FOR FUEL MOVEMENT ORIGIN AL ISSUE l
O RIGIN ATOR DATE l
METHOD OF REVIEW (SPECIFY ONE)
KKHerboldshei=er 01/07/80 Q#\\-05!. u n 7-70 PRC MTG #
m q 43 M
@ O id 'Sl
__ m 4N G D M EM 4 0 $ SJ 'n r-au=---
CURRENT REVISION STATUS f
METHOD OF REVIEW (SPECIFY ONE)
AUTHOR DATE FTurski 04/27/82 QA-05g 771-82 PRC MTG #
REISSUE HISTORY l
REV AEV FOR APPLICABILITY DATE METHOD OF REVIEW (SPECIFY ONE) 15 DAPaquette 01/15/82 QA-05! 17-82 PRC MTG #
1 Prepared by:
m pa h
yb Q'
/2-7((2_
Technical Review:
A Department Approva L
Management Approval:
26[k Distribution -.
Authorized Period of Use:
MASTER CCPY:
DOCUMENT CONTROL Januarf 15, 1982 - January 15, 1984 CONTROLLED COPtES:
MAINTEN/NCE PROCEDURE FILE NOTE: Authorized period shall not exceed two years from date of last Review and Approval for Applicability.
INFORMATION COPIES:
QUALITY CONTROL PROCEDURE IMPLEMENTATION HISTORY Reviewed for System or Component Operability
- Per*ormed by Completed / Reviewed by Method of Verification O Functional Test I'm Tim O Physical Inspection O Administrative Review Date Time Date Time Maintenance Order No. (if applicable)
-Rsv.
16
' MAINTENANCE PROCEDURE MFHS-1
Title:
Transfer Cask - Preparation For Fusi Movement 1.0 Purpose To inspect the irradiated fuel transfer cask for proper operation and to rig the cask and adjust the load indicating dynamometer preparatory to handling irradiated components.
2.0 Precautions and Limitations None 3.0 Initial Conditions Init. Date 3.1 Ascertain'that the transfer cask is freed from service (no irradiated components within).
(SS)
Plant is in shutdown condition.
t 3.2 The cask load indicating dynamometer must be calibrated by the Jackson labs within the past 12 months.
Due Date S/N (Rprmn) 3.3 Insure'that the daily crane / hoist inspection surveillance / monthly /
annual has been completed at its proper interval (check surveillance board).
(MS) 3.4 Complete the daily checklist on crane / hoist including slings to be used.
(Rprmn) 3.5 Health Physics has been informed of the nature of the work and personnel involved, and proper Radiation Protection Coverage has been arr-anged.
3.6 Insure that adequate ' cleanliness and housekeeping is maintained while working to prevent against fire ha ards or foreign contaminatier. (not necessarily raiioactive).
3.7 Winch inspected per MCLF-3 and nosed to be in acceptable condition.
- D __
Date (153-)
w, 3.8 Winch cable inspected per MFES-2 and noted to be in.
acceptable condition.
?O No.
Date (IS)
MFHS-1 (Contd) 2
,cv 16 4.0 References and Attachments 4.1 References 4.1.1 GEI-36218 Reactor Servicing and Fuel Handling Equipment, Section 2.1 Transfer Coffin Sling.
4.1.2 GEI-56218 Reactor Servicing and Fuel Handling Equipment, Section 3.6 Transfer Coffin.
4.1.3 G.E. Dwgs. 198E242, 198E243 Transfer Coffin.
4.1.4 Whiting Corp., Dwg. U-44520 Rx. Bldg. Crane 75-Ton Trolley Asse=bly.
L.1.5 S0?-2, T.cfueling Cperatier
- .2 Attachmento: Ucnc 5.0 Frocedure Init Date NOTE: Position the trolley to the extreme south prior to rigging cask.
51 Rig Transfer Cask 5.1.1 Install transfer cask lifting slings and turn-buckles on reactor building crane 75-ten hook.
5.1.2 Position 75-ten hock over cask and rig to eask.
CAUTION: Ascertain that the cask slings are properly positiened against the cask spreader plate.
5.1.3 Reactor crane circuit breaker (located on South vall on the deck) is in the OFF position.
(Rpr:n) 5 1.h Using the Jib crane en the emergency condenser level, rf the transfer cask safety cables and 3
insert in position through the 75-ten crane trolley and the transfer cask spreader plate.
5.1 5 Return reactor crane breaker to ON (located on the deck).
5.1.6 Reposition the 75-ten hook over the cask and raise hook until cask weight is entirely supported by the slings.
5.1.7 Attach the safety cable actuating line to the actuating bar and remove slack =anually.
This line runs free.the take-up device en the crane trolley to the actuating bar en the cask.
CAUTION: Only renove the slack cable, do not put the cable in tension.
This can be done by noting that when the slack has been
MFHS-1 5.0 Procedure (Contd)
Rev. 16 re=oved the " cable eyelet" at the trip Init Date bar still has its natural opening and is not stretched taunt.
5.1.8 Verify that the clearance between the vedges and the safety cable in the cask catch cechanism is less than or or equal to 0.050 inches.
(Rp r=n) 5.1.9 Safety drive chain can now be installed.
5.1.10 Transfer cask properly rigged: Yes No (Rpr:n) 52 Transfer cask Inspection 5 2.1 Raise transfer cask six to eight inches in storage stand.
5 2.2 With transfer eask suspended operate the lover door actuating =echanism and check for proper functioning and leveling. Note observations (Rpr=n) 5.2.3 Raise the cask high enough to inspect the door gasket for deterioration. Note observations:
v Replace gasket if required. Gasket replaced-es No (Rpr=n) 5.2.L close door and reposition cask in storage stand.
Check the pin that holds the hanile to the svinging door mechanism and insure it is in place and prevented from falling out.
(Epr=n) 53 Transfer cask Winch cable Dynamometer Adjustment 5 3.1 connect the calibration dyna =ometer Date Calibrated:
Due Date Ser. No.
(from the stockroom)' in series with the cask vinch cable to a solid anchor point range and suspend from the cask vinch cable.
5.3.2 Adjust the vinch overload trip setting to trip the vinch
+
at 850 - 50 pounds as specified by S0? 2 for reibeling operations.
NOTE 1: This adjustment is =ade by repositioning the bolt which controls the are through which the hinge plate holding l
j
Re r.16 h
li?HS-l~
5.0 Precedure (contd)
Init Date 5.3 2 (contd) the winch can sving.
NOTE 2:
This adjustment can be facili-tated by deadending the cable in series with calibration dynamometer.
Overload trip set at pounds.
(ryr=n) 5.4 Lew *iater Level Alar: Check 5.4.1 Submerge the cask into the spent fuel pool and check the low water level alarm.
The alara should sound when the water level falls below 7 f t 11 in (measured from the bottom of cask).
Caution:
Do not move cask over irradiated fuel.
Acceptable Yes No (Rprmn) 5.4.2 Preparation for Service Acceptance Criteria - Satisfactory rigging, dynamometer adjustment, trip. setting adjustm.ent, door inspection and leveling the cask with the door open constitute satisfactory perparation for service.
Acceptance Criteria Met:
Yes No (MS) 5.4 3 Insure that all unnecessary foreign =aterials, combustables, etc. have been removed from equipment and/or working areas to prevent fire hazards or foreign contamination (not necessarily radioactive).
(Rpmn) 6.0 Reviews List any corrective acti'en documents (MO's, 9"'s, etc. ) issued as a result of this procedure I
l
! None Admi.Tistrative Review (Ccgn Supvr)
Declared Cperable (SS)
Form No. Admin 1.3.A.7.4
,,g HNFORMKisCN COPY g
BRP PROCEDURE APPROVAL AND AUTHORIZATION
\\
{f Procedure No.
MFHS-2 Rev No.
10 FUEL IMDLING CA3LES INSPECTION / TESTING (Prior to refueling)
Procedure Title ORIGINAL ISSUE O R IGINATO R DATE METHOD OF REVIEW (SPECIFY ONE)
QA-05!
PRC MTG f CURRENT REVistON STATUS AUTHOR DATE METHOD OF REVIEW (SPECIFY ONE) 235-82 158-82 DDKelly 02/16/82 QA-05!
REISSUE HISTORY METHOD OF REVIEW ISPECIFY ONE)
DATE
~
REV REV FOR APPL;CABILITY 1 40-81 9
JRJohnston 01/06/82 QA-05#
Prepared by:
M h kjd/
Mg ~3/97.
Technical Review:
Pt._
Department Approval:
/,
7%
Management Approval:
[h/
2/h<7[f2_
~
/
Distribution:
Authorized Period of Use:
January 6,1982 = January 6,1984 - -
MASTER COPY:
DOCUMENT CONTROL CONTROLLED COPIES:
MAINTENAsrr owner mer enr NOTE: Authorized period shall not exceed two years from date of last Review for Applicability.
INFORMATION COP!ES:
QU ALITY CONTROL PROCEDURE IMPLEMENTATION HISTORY Reviewed for System or Component Operability Performed by Comple:ed/ Reviewed by Method of Verification Function.1 Test O Physical Inspection Administrative Review Date Time Date Time Maintenance Order No. (if applicable)
02/16/82 MAINTENANCE PROCEDURE MFHS-2 Rev.10
Title:
Fuel Handling Cables Inspection / Testing (Prior to Refueling) 1.0 Purpose To visually inspect all cables used on the reactor jib crane fuel transfer cask winch and fuel pool crane.
Inspect or adjust limit
. switches, hoist speed and trip setting on Attachment I.
2.0 Precautions and Limitations 2.1 All work performed must be within th'e limitations cf the applicable portions of the Safe Work Praccices Manual.
2.2 The applicable radiation protection requirements must be obse rved.
2.3 Insure that adequate cleanliness and housekeeping is maintained while working to prevent against fire hazards and foreign contamination (not necessarily radioactive).
Init Date 3.0 Initial Conditions 3.1 Cables to be tested must be free from service and indiv-idually identified.
(Rprmn) 3.2 Dynamometer to be used for testing must have been calibrated within the las t year.
Serial No.
Cal Due Date (Rprmn) 3.3 Health Physics has been informed as to the nature of the work and personnel involved, and proper radiation protection coverage.has been arranged.
3.4 Notify Operations Department that the fuel pool winch, fuel transfer cask and Rx jib crane will be inoperable.
(SS) 4.0 References and Attachments 4.1 Macwhyte Wire Rope Catalog G-18.
4.2 Attachment I Fuel Handling Cables Inspection-Testing-Adjusting 4.3 Attachment II Fuel Handling Cable Status Sheet 4.4 Information Tool List Sheet 1 & 2
a MFHS-2 02/16/82 2.
Rev.10 5.0 Procedure Init Date 5.1 Cable Identification NOTE:
Step 5.2. 7 need not be performed until the final cable for this M0 is tested.
Steps may be repeated as often as necessary for the number of' cables on Attachment II.
5.1.1 If not previously completed, permanently identify each cable to be tested in a manner which does not impair the strength of the cable or end fittings.
See Figure 1 below:
g Stamp Number v
__y - End Fitting N _,,Y Figure 1:
Preferred Method Cable s
m__
/
o of cable identification Secondary alternate is to identify on the swedged end.
5.1,2 Complete appropriate portions of Attachment I.
(Rp ran) 5.1.3 All cables adequately identified per Attachment I.
CAUTION:
(Enrmn )
Any cable which cannot be adequately identifiec shall not be used for fuel handling.
5.2 Cable Testing (Suggested method described is for fuel handling cables.
See Figure 2 below.)
An alternate r.ethod wculd be to pull on the cable directly without wrapping it around the fue' '"a"sfer cask.
5.2.1 Screw the cable threaded fitting end int) the threaded fitting eye and connect the eye to the dynamometer with a minimum 1/2-inch shank diameter shackle.
MFHS-2 3.
C2/16/c2 5.0 Procedure' (Contd)
Rev. 10 I
t e _ g,...- L c h a.'-
.' d
~
b '~
Cable -Ihreaded Fitting End #,o u%
3 l
Chain Fall Dynamometer Fuel Pool Reactor Figure 2:
SuB6ested Method of Testing Handling Cables 5.2.2 Fit cable-to-drum anchor to anchor fitting eye and connect eye to the deck plug (example, etc.) with a minimum 1/2-inch shank diameter shackle.
5.2.3 Connect the dynamometer to a suitably sized come-along and connect the come-along to the deck plug anchor 4
using minimum 1/2-inch shank diameter shackles as required.
^
5.2.4 Using the come-along, apply as a minimum cable tension-L the test load required as noted on the Cable Status Sheet.
NOTE:
End fitting must not slip at 1650 lbs.
5.2.5 Release the cable tension and note the test load and results on the Cable Status Sheet (Attachment II).
5.2.6 NOTE:
If set up similar to Figure 2 is used, be sure to test the other end of the cable also, because of friction loss.
5.2.7 Disassemble test set-up.
l 5.3 Cable Inspection 5.3.1 Inspect the cable for br: ken strands or kd::ks.
Record the inspection results on the Cable Status Sheet (Attachment II).
If any deficiencies are noted, list below the corrective action or final disposition if-necessary:
Satisfactory
'Yes No_
If no, notify MS.
(Rprmn) 61- ~. c
- 4. 02/16/82 MFHS-2 (Contd)
Rev. 10 Init Date 5.0 Purpose (Contd) 5.4 Return to Service 5.4.1 Accep tance Criteria:
Cables determined to be satisfactory per Sections 5.2 and 5.3 above shall be returned to service.
Cables noted to be unacceptable shall be destroyed and completion of Atcachment II.
All cables inspected given proper disposition. (Rprmn) 5.4.2 Acceptable cables shall be properly reinstalled on their respective cranes or otherwise stored.
All cables accepted properly reinstalled and completion of Attachment I.
NOTE: When removing cable from drum there will be several turns on drum after limit switch interrupts drive motor.
When reinstalling cable make sure the same number of turns are on the drum before rewinding, using drive motor.
This will insure no change in limit switch settings.
(Rprmn) 5.4.3 Insure that all unnecessary foreign materials, combustables, etc. have been removed from equipment and/or working areas to prevent fire hazards or foreign contamination (not necessarily radioactive).
(Rprmn) 6,0 Reviews 6.1 List any corrective action documents (Mo's, DR's, etc.) issued as a result of this procedure:
[] NONE (MS)
Administrative Review (COGN Supv)
(()DeclaredOperable(SS)
MFilS-2 02/16/82 FUEL llANDLIl1G CAnl.ES ATTACllMENT I TESTING / INSPECTING / ADJUSTING Rev. 10 m
amme-e>+
Fuel Upper 1, owe r lloist Overload llandling Iloist Limit Switch Limit Switch Speed Trip Setting Acceptance Criteria Acceptance Met Distance Number of Upper Limit Setting fTransferCash From Mech. Stop Performed on 1 1/2" i 1/2 From Stop 8
Wraps Left Cable As Found MFlhi-2 on Drum 1.ower Limit Setting 5 min.
I As Left Rprma j
As Found Wraps on Drum As Left l
Distance Number of Per-Upper Limit Switch I
"I f rmed Performed on From Mech. Stop Wraps Left l"-10" From Mech. Stop Shuff1ing Winch MCLP-4 As Found on Drum MCLP-4 Lower Limit Switch 2_
Rprmn As Left As Found Wraps minimum on Drum As Left Distance Number of Upper Limit Switch yc3 Reac tor J U)
H
/
1/2" From Top From Mech. Stop Wraps Left
- min, No max.
Lower Limit Switch 2 Crane As Found On Drum Full Wraps min. on Drum Rprma As Left As Found Overload Trip 450 lbs.
-t 25 As Left ilo is t Speed 100"/ min max 70 NOTE:
After limit switch (as found condition)has been documented and cable has been removed, the crane / hoist power should be removed to insure proper orientation on reinstallation of cable.
IIf3IU-2 FUEL llANDLING Calli.E STATUS SilEET ATTACllMENT II Rev.10 0?/16/82 cal 5LE CAllLE CAllLE CAllLE VISUAL INSPECTION CAllLE TEST COMMENTS USED FOR ID NUMllER DIA LENGTil RESULTS RESULTS FUEL Rprma TItANSFER CASK
'eFilE!, POOL Rprmn CRANE REACTOR Rprma
.Illi CRAllE FUEL Rprmn llANDLING FUEL l
Rprmn llANDLING l
FUEL Rprmo llANDLI!1G FUEL Rprmn llAtIDI,IllG FUEL Rprmn llANDLING FUEL Rprmn ll AN DI.I NG Acceptance Criteria - All swaged ends on cables are to be tested.
150% of rated capacity or 1650 lbs.
Cable length shall be a minimum of 46" not including threads.
.. '!:,,,f, w,[
A. S. DIC ; 5?!RIT.',' ASTER UNII3
/D 3.-
V dus-2 Rev. ig M.WITF2fMICE PROCEDUP2 -
02/16/32 Sheet #1 - Tool List
Title:
Testing of Fuel Handling Cables Sheet #1
.i Part Description
.i
- 1) Test dyna =o=eter I
2 2)
Cese-aleng, 1+-ton; mininum cauac!ty
- 3) Threaded fittine efe l
h)
Anchor fittine eye and adatter
'l l
l
- 5) Transfer cask vinch cable l
l l
6)
Fuel tool crane cable l
l l
7)
Reactor jib crane cable l
l l
8)
Assorted short cables for use on cranes in
'I l
Nos. 5, 6.and 7 above l
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02/14/82
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Form No. Admin 1.3.A.7.4 0,
e Consumers
! h POWOT s
C0mpany BRP PROCEDURE APPROVAL AND AUTHORIZATION Procedure No.
MFHS-4 Mk Rev No.
7 m
Procedure Title TEST TRIPPING AND f.ISE R biip FbDLINGTRANSFERCASK 1,
, a M tM IM$1dlN'AL ISSUE y Q $s
l ORIGINA DATE I
METHOD OF REVIEW (SPECIFY ONE)
OA-05#
CURRENT REVISION STATUS f
METHOD OF REVIEW (SPECIFY ONE)
AUTHOR DATE FTurski 04/27/82 OA-05g 772-82 PRC MTG #
REISSUE HISTORY REV REV FOR APPLICABILITY DATE METHOD OF REVIEW (SPECIFY ONE) 6 JJPopa 01/06/82 OA-05# 1339-81 PRC MTG #
Prepared by:
Af h
h Technical Review:
d
/
/2 7/82.,
Department Approval:
I %
Management Approval:
[2 /2 _
uu Distribution:
Authorized Period of Use:
MASTER COPY:
DOCUMENT CONTROL January 6, 1982 - January 6, 1984 CONTROLLED COPIES:
~
MAINTENANCE PROCEDURE FILE NOTE: Authorized period shall not exceed two years from date of last Review and Approval for Applicability.
INFORMATION COPIES:
OUALITY CONTROL PROCEDURE IMPLEMENTATICN HISTORY l
Reviewed for System or Component Operability Performed by Completed / Reviewed by Method of Verification C Functional Test Tiue Titie C Physical Inspection C Administrative Review Date Time Date Time Maintenance Order No. (if applicabla)
Rtv. 7 MAINTENANCE PROCEDURE MFHS-4
Title:
Test Tripping & Resetting of Fuel Handling Transfer Cask 1.0 Purpose Test" operation of the fuel handling transfer cask safety device.
2.0 Precautions & Limitations 2.1 Extreme caution be used during test to prevent injury to personnel and equipment.
2,2 Insure that adequate cleanliness and housekeeping is maintained while working to prevent against fire hasards or foreign con-tamination (not necessarily radioactive).
Initial Date 3.0 Initial Conditions 3.1 Transfer cask free from use.
(SS) 3.2 Health Physics has been informed of the nature of the work and personnel involved, and proper radiation protection coverage has been arranged.
3.3 Persons involved with test are aware of. test being conducted.
(Rpran) 3.4 Safety cables are removed from safety catches so they do not get scoured or marred by wedges.
(Rpr=n) 35 Complete the daily checklist on crane / hoist including slings to be used.
(Rpran) 4.0 References or Attachments 4.1 Whiting Corporation Dwg:
U-46059 4.2 Attachment No. 1 " Method of Rigging" 4.3 Attachment No. 2 " Detail Saf ety Catch" rocegggghmentNo.3"TripLeverPosition" 5.0 5.1 Rig a chain f all or come-a-long in accordance with item 1 on attachment No. 1 " Method of Rigging".
Apply tension on chain fall or come-a-long until trip lever is 5.2 activiated.
Caution should be used to insure safety to personnel and NOTE:
equipment.
(Rprmn)
2.
R;v. 7 MFHS-4 (Continund)
Initial Date 5.0 Procedure (Contd)
" Activating trip lever will cause springs to release wedges". Springs and wedges released Yes No if yes, continue to Step 5.3.
If no, contact Maintenance Supervisor for corrective acton, and list below action taken.
(Rpr=n) 5.3 Resetting cask safety catch 5.3.1 Rig in accordance with item 2 on Attachment No. 1,
" Method of Rigging".
5.3.2 Apply tension on chain fall or ceme-a-long until trip lever is in reset position.
(Rpr=n)
NOTE:
Caution should be used to protect personnel and equipment.
5.3.3 Ensure that the angular position of the trip lever is within 1/4 inch of top dead center (See Attachment 3).
(Rp ran) 5.3.4 Ensure that wedges E on Attachment 2 are seated. (Rpran) 5.3.5 Release tension.
Cask trip lever should now be set.
Trip set Yes No If no, contact Maintenance Supervisor for corrective action and list below corrective action or steps repeated, if any:
(Rpr=n) 5.3.6 Lubricate the surfaces between the wedges and the wedge housing.
Use spray silicone.
(Rp r=n)
NOTE:
Do not lubricate the surfaces between the wedges and the wire rope safety sling.
Rav. 7 MFHS-4 (Continued) 3.
5.0 Procedure (contd)
Init.
Date 5.4 Return to Service
.5.4.1 Successful completion of items 5.0 through 5.6 indicates I
trip lever on fuel. transfer cask is operable and cask returned to service.
1
.5.4.2 Insure that all unnecesssary foreign materials, combustables, f
i e
etc. have been removed from equipment and/or working areas l
to prevent fire hazards or foreign contamination (not i
I necessarily radioactive).
(Rprmn) 6.0 Reviews List any corrective actions, documents (M0's, DR's, etc.) issued as a result of this procedure NONE r
i Administrative Review (COGN SUPV) i Declared Operable (SS) 1 i
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7 ATTACHMEN T = I M FH S-4 METHOD OF RiEGlMG USE. r3CT'CE CRANE H03R F'OR ANCWC2. plint t - TRi?
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ATTAC'rDIENT #3 TRIP LEVER POSITION Rev. 7 Top Dead Center Safety Cable Maximum distance from point of
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'e io SFC 80-28 D c:-t CRAbeli (jgy)3 ypggpg g
Duc November 3, 1980 bO$S3I 00Elh3N7 Cas c cT BIG ROCK POINT PLANT SPENT FUEL TRANSFER CASK - SAFETY CABLES a mt,sg Cc n a r s PCf.Q C NC C cc RESchrader This me=o is written to disposition the SFC 80-28 in preparation for fuel cask usage to unload the core.
The differential cable speed between the 75T. hook and the small safety cable take up winch has been measured and the speed differential compensated for by machining slightly the take-up drum diameter.
As found conclusions: -
Drum diameter = 5.745" and the tag line speed was 1-7/16" faster on each 8'2" of main hook travel A machine' cut of.083" was made to trim the diameter of the tag line take up drum and:
New drum diameter = 5.662" and the resultant tag line speed was the 3/8" faster on each 7'0" of main hook travel.
The tag line take up drum was trimmed by.025" on the diameter and the tag line speed was then measured to be only 1/8" faster on 8' of main hook travel.
This tolerance of 1/3" on 8' of travel appears to be about as close as can be tolerated at this time.
If the transfer cask rigging is done at approximately the mid-travel elevation, and given the fact that the cask travel from full up to full dcun is 16'9", this would provide a 1/8" differential at both full up and full down.
On the full down stroke, the 1/8" would be in the form of slack and in the
~
full up position it would be in the form of tension. The 1/8" slack seems to present no safety problem in light of the design specifications of k'hiting Crane Company.
The 1/8" tension'at the full up stroke may present an operation-al problem by inadvertent tripping of the safety catch mechanism but this will be in the conservative direction.
The current plans call for rigging the cask in the above manner, Procedure M-FHS-1 has been revised to call for no slack rather than a slack to compensate for the cable speed differential.
The crane will then be put to use.
s_
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4 10M to SFC 80-28
~ Fron-CRAbel Re:
Spent Fuel Transfer Cask - Safety Cables s
k V
If the usage shows unsatisfactory results, i.e.,
due to the way the cable-icys on the'take up drum after extended usage, further retinements will be made.
j t
M-3 -80 Technical Review technical Superintendent Date h
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Consumers Power Comp;ny Page Yur S v.t w m
pra,m NUCLEAR PLANT MAINTENANCE ORDER
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I 8, 0 f,1+,5 A9i 6,4 O,N Hour s Hp 2
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