j. gg constructionthe data above indicates that the rate of 1/c 810 megger test failure is higher...

Z ~S>

REGULA TQ INFQR.'}AT ION 0 ISTRI BUT ION TE~ (R IDS)

ACCESSION NBR:80 10070300 DQC ~ DATEo 80/09/29 IVOTARIZED: ivQ DOCKETFACIL:50 387 Susquehanna Steam Electric Stationi Unit }R Pennsylva 050

50-388 Susquehanna Steam Electric Stationi unit 2p Pennsylva 00 8AUTH,NAWE AUTHOR AFFILIATIQN

CURTISRIV,n, Pennsylvania Po~er R Light Co.REC IP ~ iVAHE RECIPIENT AFFILIATION

GRIERPB ~ H ~ Region }E Philadelphian Office of the i)irector

SUBJECl': Final deficiencypulling ooerationachieved oy complphase,Suooorting

DISTPIBUTION CODE: 801'9STITLE: Construction Defici

reot re electrical cable damaged durings+Servicibility of installea cables will beiance w/Field Procedure FP E-5 ouring constdocumentation

encl'OPIES

RECEIVED:LTR j. E'iCI. j. SIZE: ggency Report (10CFR50.55E)

NOTES:Send ILE 3 cooies FSAR 8 all amends, 0500038705000388

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TOTAl NU4lBER OF COPIES REQUIRED: L T TR 40 ENCL 40

TWO NORTH NINTH STREET, ALLENTOWN, PA. 18101 PHONE: (215) 821-SIS I

NOIIMANW. CURTISVice Prestcent-Engtneenng 8 Ccnstrecttcn.attctear821-5381

September 29, 1980

Mr. Boyce H. GrierDirector, Region IU. S. Nuclear Regulatory Commission631 Park AvenueKing of Prussia, Pennsylvania 19406

SUSQUEHANNA STEAM ELECTRIC STATIONFINAL REPORT OF A DEFICIENCY'ELATING TOCABLE DAMAGED DURING PULLING OPERATIONSERs 100450/100508 FILE 840-4/900-10PLA-546

Reference: PLA-383 dated July 17, 1979

Dear Mr. Grier:

This letter serves to provide the Commission with a final report of adeficiency relating to electiical cable damaged during pulling operations. Thecondition was originally reported in the above referenced letter. The informa-tion contained herein is submitted in compliance to the provisions of10CFR50.55(e).

Attachment (1) to this letter contains the problem description, possiblecauses and safety implications alon'g with our corrective action plan.

Attachment (2) consists of a tabulation of cables that failed megger testingsubsequent to cable pulling operations.

Attachment (3) tabulates cables considered to have sustained damage during thepulling operation and delineates the nature of the damage along with the dispo-sition of each Nonconformance Report generated.

We trust the Commission will find the information forwarded by this letter tobe satisfactory.

Very truly yours,yg/V

5

N. W. CurtisVice President-Engineering & Construction-Nuclear

Attachment sFLW:mcb

PENNSYLVANIA POWER 8 LIGHT COMPANY

~OXOOY 0300

Mr. Boyce H. Grier September 29, 1980

cc: Mr. Victor Stello (15)Director-Office of Inspection & EnforcementU. S. Nuclear Regulatory CommissionWashington, D.C. 20555

Mr. G. McDonald, DirectorOffice of Management Information & Program ControlU. S. Nuclear Regulatory CommissionWashington, D.C. 20555

Mr. Robert M. GalloU. S. Nuclear Regulatory CommissionP. 0. Box 52Shickshinny, Pennsylvania 18655

Attachment '. to PLA"546

CABLE DAMAGE SUSTAINED DURING PULLING OPERATIONS

On June 15, 1979, MCAR 1-35 reported that severe cable damage resultedfrom pulling cable through conduit at Susquehanna SES Unit 1. The concernexpressed in the MCAR was whether all damaged cables will be identified bymegger tests when the suspect cables are routed through PVC conduit in whichground conductors are not required for the cable installation.

The MCAR indicated that cable damage was detected by "visual inspec-tion of the cable jacket or by megger tests" during normal QC inspectionactivities and cable pulling operations, and was documented on Non-ConformanceReports (NCR's) attached to the MCAR.

As indicated in the NCR's, the cable damage includes: cable with cut/tom outer jacket, cut/tom conductor insulation and/or broken conductorstanding. It also includes cable which failed the megger tests.

Cause:

Based on several investigations made at the jobsite during the week ofJune 18, 1979, and subsequently, and a review of the relevant NCR's, it hasbeen determined that the cable damage resulted from one or a combination ofthe factors listed below:

1. Too many bends between pull points.2. Too small bending radius some 90 elbows.

3. Lack of adequate as-built data on which calculations could bebased.

The type of cable pulling compounds used.

5. Use of two conductor "flat" cable (Type D12).

6. Mixing of large and small diameter cables in the same conduit.7. Combining cables of differing length and destination in the

same conduit.8. Use of small diameter single conductor cable in long and complex

raceway installations (particularly Type Dll).

Anal sis of Safety Im lications:

The reported cable damage was found during cable pulling operationsand QC inspection activities. The damage was documented on Non-ConformanceReports (NCR's) per Bechtel procedures.

A revie~ of NCR's identified by the Field, and issued between ll/14/78and 6/6/80, indicates the following:

1. PP&L has considered two (2) categories of Class lE cable damagefrom the NCR's identified as being reportable under 10CFR50.55(e). Thesecategories are addressed in detail in Tables I and II (Attachments 2 and 3 tothis report). and are summarized below:

a) Table I lists the NCR's which reported the cables that failed themegger tests.

o Total scheme cables listed in Table I..................49o Number of scheme cables dispositioned to reject

and rework.............................................40o Number of cables dispositioned to be acceptable.........7o Number of cables with no damage detected and have

since passed a megger test..............................2Of the 40 scheme cables rejected, 26 were type Dll.

b) Table II lists the NCR's which reported the cables that weredamaged during pulling.

o Total of scheme cables listed in Table II..............65o Number of scheme cables dispositioned to

reject and rework......................................43o Number of cables dispositioned to be

acceptable.............................................22Seven of the 43 rejected cables were type Dll which failed themegger test.

2. Tables I and II (Paragraph 1-a and 1-b above) indicate that therewere 114 scheme cables reported in the NCR's. NCR disposition indicates that29 of these cables have been verified to be acceptable. In addition, therewere 2 cables which have passed the megger tests with no damage detected.These cables were dispositioned for a re-megger test at a higher value (seeNCR-5424). The remaining 83 cables were dispositioned to reject and rework.

3. Approximately one half of the damaged scheme cables were detectedvisually with the remaining ones discovered through megger tests and rejected.

4. Of the 83 damaged scheme cables rejected, approximately 80%occurred on 600 V Power and Control Cable, f!2AViG and smaller, manufactured byAIM Corporation.

5. The nature of the cable damage was varied, and the cause of thedamage could not be attributed to one single factor.

6. Raychem is the only supplier of cable that 'did not exhibit cabledamage or overtensioning.

7. Based on the May, 1980 circuit schedule, more than 4,800 safety-related scheme cables are shown as pulled.

The data above indicates that the rate of 1/C 810 megger test failureis higher than for the other cable types. Review of documents indicatesthat this is the smallest and weakest cable used in the SSES Project. Italso indicates that this cable is one of the cables most commonly used inboth the 480 V and 120 V power and control cabling system. Hence, this cableis the most susceptible to damage, especially in long, complex raceway system.

To prevent and/or minimize this type of cable damage in the future,steps have been taken as reported in the next section.

Low voltage megger tests are performed on all power cables to locatedirect short-circuits and to facilitate the pre-operational, functionaltesting and startup procedures.

NPE has determined the cable damage identified in this NCAR 1-35 tobe reportable under 10 CFR 50.55(e).

Corrective Action:

The adequacy of the project cabling system will have been assuredwhen all integrated startup procedures, including pre-operational andfunctional testing planned and scheduled for the future, are successfullycompleted. During the construction phase of a project, the servicibilityof the installed (pulled) cables can be achieved by compliance with thefollowing procedures, which are in Field Procedure FP-E-5:

1. Visual inspection of raceways to ensure the removal of burrsand other foreign material that may be damaging to the cable(Field Procedure FP-E-5, Paragraph 7.1.5 and 7.1.6),

2. Cable pulling operation monitoring to assure proper rigging,handling, and application of pulling compound to the cable

~ (Field Procedure FP-E-5, Part II, Paragraph 7.7.7 and 7.1.24).3. Verification of adequate data used for the determination of

maximum allowable tensile stress and sidewall pressure (FP-E-5,Part II, Paragraph 7. l. 7) .

4. Tensiometer monitoring on machine 'pulls to verify that themaximum allowable tensile stress and sidewall pressure are notexceeded (FP-E-5, Part II, Paragraph 7.1.25).

5. Visual inspection of the cable that has emerged from the race-way at the pulling end for indications of cable damage (FP-E-5,Part II, Paragraph 7.1.25).

6. iMegger testing of 600 V and higher power, cable (9 to 9 and 9ground) to detect any obvious short circuits that may be present(FP-E-5, Part II, Paragraph 7.1.25).

When the cable over-tensioning condition was first reported by thefield, Project Engineering determined that several options were availablefor the resolution of the problem, and evaluated each one of these optionson an individual basis*. It was determined that the most viable option wasto have the cable manufacturers justify and permit the use of an increased

maximum allowable tension value. To accomplish this, and at the advice ofthe cable manufacturer, a cable test plan was implemented at the jobsite.This would enable the cable manufacturers to provide justification for theincreased maximum allowable tension values.

Upon completion of the tension tests, the tested cables were sub-jected to a series of physical and electrical tests by the respective cablemanufacturers. Based on the results of these tests, the manufacturers revisedtheir data previously submitted and increased the maximum allowable pullingtensions for their cables. Accordingly, these increased allowable tensionswere incorporated into Drawing E-59. (REFERENCE: Okonite.,Report dated Hay10, 1979, Document Control Number 103968 and AIW Reports, Vendor DocumentNumber 8856-E-130-A166(1)-1 dated 2/7/80 and -166(2)-1 dated 2/5/80).

Based on the revised values of maximum allowable pulling tensions,the Field has implemented Appendix B of the interim Response to this HCAR,which outlined the procedures for the verification of cables installed priorto the June 14, 1979 work stoppage. As a result of the verification program,the Field reported that there was no new Class 1E cables identified to beovertensioned.

Fo'r Unit 1 and Common, Project Engineering has reviewed the use ofsmall single conductor cable and two conductor "flat" cable for pulls yet tobe made. Where deemed appropriate, consi'dering the complexity of the pulland raceway percent fill, such cables are being replaced with either a largersize conductor or a round multiconductor cable to facilitate'cable pulling.En addition, two conduct'or round cables have been added to the Purchase order.These cables are intended for limited use on difficult pulls. This procedureis also implemented for Unit 2.

Project Engineering has begun a review of the more complex conduitnetworks for Unit 2 and, where appropriate, will modify the raceway designto facilitate cable pulling.

Appropriate action has been taken by the Field to ensure thatprocedures established for, the cable pulling operations are followed for everycable pull. (See Bechtel Construction letter to PP&L Construction BCLPC-6374dated July 12, 1979).

The Field will continue to monitor every cable pull and document anycable damage and overtensioning.

A sampling plan for meggering of multi-conductor control cable of flat-configurat'on and single conductor control cable !P8 and smaller has beenaporoved by PP&L as per PCLBC-3181 dated 12/6/79 (Document Control Number114820). The sampling plan, which covers both the installed control cablesand future control cable'nstallation, has been implemented by the Field. Asa result of this program, the Field reported in BCLPC-7743 dated 5/21/80(Document Control Number 119795) to PP&L Construction that no failures werefound on the sampling of Class 1E cables installed prior to the stop work date.

En addition, a testing program has been implemented to test all Dll

(1/C f10 AWG) cable presently installed 9 Susquehanna SES. It consists ofa DC megger at voltages up to 5 KV DC on all Q as well as non+ cable. Theacceptance criteria will be 1000 megohm minimum resistance. All cable whichfails thi.s criteria will be tagged for replacement or abandonment.

Conclusions:

1. Some safety-related cables were damaged during normal scheduledcable pulling activities. This damage was discovered and documented on NCRsduring QC inspections.

2. The cause of the cable damage was one or more of the factors 1'stedunder "Causes". The nature of the cable damage was varied, and was describedin the referenced NCR's. Where overtension had originally been identified asa deficiency, new analyses by cable manufacturers showed that the originalmaximum sidewall pressures were conservative; therefore, .these original over-tension deficiencies, when rechecked, were all found to be acceptable underthe revised maximum pulling tensions.

3. The mixing of large and small diameter cables in the same racewayand the use of 2/c cable in a flat configuration on both long and/or complexpulls will be avoided, wherever possible, in the Euture as a result of thecorrective measures being implemented by both Project Engineering and Construc-tion.

4. Megger testing is in the construction procedures and will continueto be employed in the Euture.

5. As cable damage was discovered, it was documented through the QAProgram.

6. The Fi'eld completed the implementation of Appendix B of the InterimResponse to this MCAR, which outlined the procedures for the verification ofcables installed prior to June 14, 1979 work stoppage. Based on the revisedvalues of maximum allowable pulling tensions shown in Drawing E-59, the Fieldreported that there was no new Class lE cables identified to be overtensioned.

7. The project Field QC has been monitoring the Construction activitiesto ensure that procedures established Eor the installation of cables arefollowed.

8. Through the action taken and the testing programs implemented asoutlined in the section entitled "Corrective Action", NPE believes the cablepulling problems have been satisfactorily resolved.

Attachment 2 Page 1

TABLE 1

Cables That Failed the Hegger Tes ts

NCR Ho.(Date)

3749(4/2O/79)

3871(5/14/79)

SchemeCable Ho.

PP18050111

CP 1D0019R

Size

1/C-4/0

2-1/CII2

Cable Code~(Hf .)

R04(okonite)

D21(AIW)

NCRDis osition

Reject & reworkHCR closed.

Reject & reworkPer FCR-1435.HCR closed.

Remark

3896(5/17/79)

CP1D0019C 1/C810 D11(AIW) Reject & rework.

3897

3944(5/25/79)

3964(5/31/79)

CP1D0020K

APID0016H

FP1V16018BP1D0018NBP1D0017HCP1D0019UFPlQ40058FP1Q40078FP1V2522AFP1Q4005AFP1Q4007A

BP1DOO17L

1/C810

1/C810

2-1/C822-1/C862-1/C8102-1/C821-1/C8101-1/C0103/C8104-1/C864-1/C82

2-1/CfI1O

Dll(AIW)

Dll(AIW)

D21(AIW)D61(AIW)Dll(AIW)D21(AIW)Dll(AIW)Dll(AIW)D13(AIW)D61(AIW)D21(AIW)

Dll(AIW)

Remegger with cableends disconnected &

cleaned. Cable passedmegger test. NCR closed.

Reject & repull.

Reject & repull.HCR closed.

Reject & rework.NCR closed.

This cable wasdispositioned toreject per NCR-4657

TABLE 1

Cables That Failed the He ger Tests

Page 2

HCR No.(Date)

3949(5/29/~9)

3992(6/11/79)

4036(6/15/79)

4085(6/27/79)

4112(6/29/79)

4114(6/29/79)

4129(7/3/79)

4130(7/3/79)

SchemeCable No.

BPOG4027A

BPOG4028A

EP1V2522A

CP]D0020G

EPIB0501K

BPID0018K

Bpln0017C

BP1D0018G

EP1$ 1311A

EPlg1323A

Size

3/C810

3/C810

3/C810

2-1/C810

1/C-4/0

2-1/C810

1/C810

2-1/C810

5-1/C810

5-1/C810

Cable Code~(HE .)

D13(AIW)

D13(AIW)

D13(AIW)

Dll(AIW)

R04(Okonite)

Dll(AIW)

Dll(AIW)

D11(AI'W)

Dll(AIW)

Dll(AIW)

HCR

Dis osition

Remeggered with cableends disconnected &

cleaned. Cable passedmegger test. NCR closed.

Reject & rework.Per FCR-1435


Reject & rework.HCR closed.


Reject & rework.HCR closed.

Passed remegger testwith cable ends dis-connected & cleaned.HCR closed.

Re3ect & rework.HCR closed..

Remark

TABLE 1

Cables That Failed the Megger Tests

Page 3

NCR No.(Date)

4612(10/1/79)

4657(10/8/79)

4682(10/15/79)

4717(10/19/79)

5027(12/18/79)

5276(2/6/80)

SchemeCable No.

FP1V1601B

BP1D0017L

FPlV4511B

RPlV4501B

CK1D0019B

EPlQ1305A

EPlQ4029AEP1Q1304AEP1Q1308AEPlQ1312AEP1Q1311AEPlQ1307A

Size

2.-1/CN2

2-1/CN10

3/CH 8

3/CN8

2-1/CN10

S-1/CN10

Cable Code(Mf .)

D21 (AIH)

Dll(AIH)

D83(AIH)

D83 (AIR)

Dll(AIH)

Dll(AIH)

NCR

Disposition







Remark

Disposition ofthis cable wasper NCR-3964

5378(2/26/80)

4128(7/3/79)

APlD0016H

APlD0016VAP1D0015V

DP1D0022K

2-1/CN10

2-1/CN10

Dll(AIH)

Dll(AIH)

Reject & reworkNCR closed.

cfianginj to 5$ code

Reject & rework NCR open.

TABLE 1 Page 4

Cables That Failed the Hegger Tests

NCR No.(Date)

SchemeCable No. Size

Cable Code(HPG. )

NCBDis osition Remark

5455(3/12/80)

5599(4/1/80)

5922(5/29/80)

BP 1 D001 BG

DV200022K

DP200021C

2-1/C810

2-1/C810

2-1/C810

Dll(AIW)

Dll(AIW)

Dll(AIW)

Bemegger with cable endsdisconnected f cleaned.Use as is,Reject 6 rework.

Reject 6 rework.

NCR closed.

PHASE Ashouted.NCR open.NCR open.

5959(6/3/80)

5424(3/4/00)

PKlA4104A

Ppln0006C

Ppln0006U

7/C814

2~1/C075-HCH

LO7 (AIW)

B75(Okonite)

Bemegger with cableends disconnected andcleaned. Cable-acceptable.

Berne@ger wz Lh ~ 1 QQQY

pall)e

NCR closed.

)lO damagereported,NCR open,

/I

4932(12/1/79)

AMl()0701 L'PR-16(T/C) TQ5 (Samuel Moore) Rework, remegger 6

spare. Reroute newcable. NCR closed.

Was on Table1I.—

Ill(ll98020 1PR-16 $24(Samuel. Moore)

Attachment 3 Page 1

TABLE IICable Damage Sustained During Pulling

NCR No.(Date)


Cable Code(ttfg . )

Nature ofCable Damage

NCRDis osition Remark

3295(12/28/78)

FP180504L 3-1/C500HCM R50(Okonite) Overtension Reject 6 rework.NCR closed..

Note 1

3365(1/24/79)

FP180504N

FP180504L

1-1/C-4/0 R04(Okonite)

3-1/C-500MCH R50(Okonite) None (Note 2) Use as is.NCR closed.

FP180504N 1/C-4/0 R04(Okonite)

3470(1/24/79)

EP180503L

EP180503N 1/C-4/0 R04(Okonite)

3-1/C-SOOMCH R50(Okonite) Cables over-tension 6 wastoo short.

Reject 6 rework.NCR closed.

3515(3/1/79)

PP180501H 3-1/C-500MCH R50 (Okonite) New calculationusing as-builtdata indicatesno overtension.

Review Calc.Cable acceptable.NCR closed.

3580(3/16/79)

FP)D000'6U 2-1/C-75QHCM, R75(Okonit:e) Oyegtensiqn Reject s rework,NCB, closed,(Tension allowable is10QO. lbs, using theBasket Grip Method,)

Notes:

1. Cable was reported t:o be overtensioned and replaced, Field disposition of the NCR, indicates, that; theactual tension was within the allowable cable tensile strength of 300Q lbs. Later, testing by Qkonitealso shows that the act:ual tension was within the new allowable tension determined by Okonj.te,

TABLE II Page 2

Cable Damage Sustained During Pulling

NCR No.(Date)


Cable Code(Hfg. )

Nature ofCable Dama e

NCRDisposition Remark

3581(3/16/79)

FPlD0006C 2-1/C-750HCH R75(Okonite) Overtension. Reject 6 rework.NCR closed.

3667 PPlB0501H 3-1/C-500MCH(4/2/79)

R50(Okonite) None Use as is.NCR closed.

Note 2

3783(5/1/79)

3807(5/2/79)

3887(5/17/79)

AP2D0001A 3/CN2

AKOG2001C 12/CN14

FKOV5106D 7/CN14

FKOV5108D

FKlV5501D

D23(AIW)

L12(AIW)

LO7 (AIW)

Two tears on theouter jacket.


Cable broke. Reject 6 rework.NCR closed.

A cut through Reject 6 rework.the outer jacket. NCR closed.

votes:

2. Actual tension was within the new allowable tension determined by Okonite.

TABLE II Page 3


NCR No.(Date)


Cable Code(HPG.)


NCRDisposition Remark

3097(5/18/79)

EPlD0016S l-l/C52

APlD0015HAP1D0015LAP1D0016K

l-l/CN101-1/CH102-1/CN 10

AP1D0015C 1-1/CN10

EP1D0015N 1-1/CN10

D21(AIH)

Dll(AIH)

Stress tears aholes on outerjacket.Conductor ex-posed.

Stress tears 6holes on outer .

jacket.One cond. exposedStress tears andholes on outerjacket.

Reject a rework.NCR closed.

Note 3

3965(6/1/79)

4001(6/12/79)

RKlQ0302D 7/C514

RK2Q7002D 2/C514

RK2Q7002DKKOQ7004C

LO7(AIW)

L02 (AIH)

A cut in insula-tion. Someconductor damage.

Overtension



Notes:

3. Cable tension exceeded the allowable limit for using the basket grip method. As a result,six (6) cables have stress tears and holes through their outer jackets. This includesfour (4) cables that were tom with conductors exposed. The seventh cable (APlD0016H)failed the megger test.

TABLE-II Page 4


NCR No.(Date)


Cable Code(Hfg. )


NCR

Dis ositiai Remark

4001(6/12/79)

BKOG2010D 7/CN14 L07 (AIH) Overtension. Reject 6 rework.NCR closed.

BKOQ6004CBKOG2402EBKOG2402PBK2A0413CKKOQ7008C

2/CN143/CN144/CN105/CN142/CN14

L02(AIH)L03 (AIH)D14 (AIW)L05 (AIW)L02(AIH) Overtension.

Conductors separated.

4003(6/13/79)

4120(7/3/79)

CKOG0304RCKOS0409GCKOG0305K

12/CN 142/CN 147/CN14

LKOG2403N 2/CN14

RK2Q7002C 2/CN14

CKOS0417tt 2/CN14

CKOS0400G 2/CN14

CKOG0305tt 2/CN14

L02 (AIW)

L02(AIW)

L02 (AIW)

L02(AIH)

L12 (AIH)L02 (AIH)L07 (AIW)

L02(AIW)

Cut broken byEfcor typebushing.

Damaged duringhand pull„

I'I

A cut 5 a nickon insulation,Damaged by afalling vent duct,

Reject 6 rework,NCR closed.

Reject 6 rework,QCR, closed,

II

4497(9/10/79)

4611(9/26/79)

AKOG0300Z 5/CN14

EPlgl314A l-l/CN10

L05(AIW)

D11(AIW) A cut throughthe out:er jacketand into theinsulation,

Reject t'ework.,NCR closed,

A spare conductor Repair. spare conductorwas damaged (orange) NCR closed,

TABLE II Page 5

Cable Damage Sustained During Pullin

NCR Ho.(DATE)


Cable Code(Hfg.)


NCR

Remark

4794(11/1/79)

PFiv2600A 2-1/CN4/0 F04(Kerite) Deep Hicks Reject 6 rework,NCR closed,

4857

4861(11/14/79)

AP280501NAP280501L

CP280503G

1-4/OAHG1-500MCH

3-1/C-500HCH

RQ4(Okonite)R50(Okonite)

R50(Okonite)

. Cuts in jacket,a

(Note 4)

BP280502L 3-1/C-50QHCH R50(Okonite) (Note 5)BP280502N l-l/C-4/10 R04 (Okonite)

Use as is,II

"Use as is,Cable passed themegger test, NCR

closed.II

4902(11/26/79)

4932(12/1/79)

EKlV2520n 2/CN14

JHl()0708H 1PR-16(T/C)

LO2 (AIM) A cut on cable. Reject 6 rework,

T()5(Samuel Hoore) Cable Broken Rework, remegger aspare, Reroute newcable, NCR open,

Notes:

4. Indentation on the outer jacket was reported to be caused by means used to secure cablecoiled in a J-box.

5. Indentation on the outer jacket was reported to be a result when the cable was run oyerby a wheelbarrow. The cable was laying on the floor for pulling.

TABLE II Page 6

Cable Damage Sustained During Pullinq

HCR Ho.-(Date)

SchemeCable Ho. Size

Cable CodeHfg.



4939(12/4/79)

5085(1/4/80)

5097(1/8/80)

NCR closed.

DKlQ3003C 12/CI14 L12 (AIW) (Note 6) Reject 6 rework.

DKlQ3003C 12/CI14 .L12(AIW) Cable was crimped. Use as is.Passed megger test.

(Documented and dispositioned on HCR-4611 dated 9/26/79)

5276

5355(2/21/80)

EPIQ4029A 5-1/CI 10

FPlQ4004A 4-1/CI6

Dll(AIW)

D61(AIW) A cut to theconductor.

Reject a rework.NCR closed.

Cut in insulation. Reject 6 rework.

5415 EP1Y0005A 1-3/CI2 D23(AIW) Reject.

5450(3/12/80)

EHOI1101D

EMOI1101EEMlSP00l4EHlSP0015EHlSP0016EHlSP0017PHOI1201DPHOI1201E

1PRI16

1PRI 167PRI163TR0163PR5163TR8161PRI161PRN16

Q24(Samuel Hoore) No damage Use as is.reported.(Note 7) NCR closed.

Q24Q27Q29Q26Q29Q24Q24

Nooos:

/was discovered, The NCR reported that the damage appears to be caused by a heavy fallingobject. About 1 1/2" of the cable was flattened.

7. Tension calculations which includes the drain wires indicates that the actual t:ension (1000 lbs.)is within t:he maximum allowable tension.

TABLE II Page 7

Cable Damage Sustained During Pullin

NCR No.(Date)


Cable Code(Mfg.)



5491(3/19/80)

FMOI7505K 3PR$ 16

FMOI7802F 3PRgl6

IQ26(Samuel Moore) Cable was crimped. Use as is. Passed

continuity test.Cable with jacketinconsistency.

5723(4/18/80)

FK1Q0616C 7/CH14 L07 (AIW) Wire 522F hasnicks in insul-ation.

Repair with Raychemlfeat Shrink kit.

j. gg constructionthe data above indicates that the rate of 1/c 810 megger test failure is higher...

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