ML20199E331

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Rev 0 to Instruction QI-014, Reinspection of Cables/Ie Cable
ML20199E331
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 07/18/1985
From: Hansel J, Patterson A, Perrino F
EVALUATION RESEARCH CORP.
To:
Shared Package
ML20199D912 List: ... further results
References
FOIA-86-36 QI-014, QI-14, NUDOCS 8606230269
Download: ML20199E331 (22)
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COMANCHE PEAK RESPONSE G(k\N QUALITY INSTRUCTION FOR ISSUE SPECIFIC /.CTION PLAN VII.c INSTRUCTION NO.: QI-014 REVISION: 0 EFFECTIVE DATE: 07/18/85

_[ REINSPECTION OF CABLES /I-E-CABL l

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On-Site QA Representative l

Approved by: Date: 7/ Y Q K Review Tend Leader k-8606230269 PDR FOIA 860609 i GARDE 86-36 PDR v A ' ' ' s :.  ;,,h-h MM

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1.0 PURPOSE To provide methods to be used and accept / reject criteria to be applied when performing reinspection of cable.

2.0 A?YLICABILITY .

This procedure applies to reinspection of samples selected from the cable population at Comanche Peak Unita 1, 2 and areas common to both units. The population is described in Population Description for Cables.

3.0 REFERENCES

3.1 CPP-009. Performance of Reinspection and Documentation Reviews -

3.2 2323-El-1700, Cable and Raceway Schedule (Unit 1 and Common) 3.3 2323-E2-1700, Cable and Raceway Schedule (Unit 2 and Common) 4.0 GENERAL

Reinspection reviews are performed and documented in accordance with t

established project procedures and instructions. This instruction

( establishes the attributes and accept / reject criteria for reinspections of cables. Reference 3.1 addresses the method to perform reinspections, document and process the results.

5.0 INSTRUCTION P Using the information in Reference 3.1 and below, perform the reinspections

, on the items in this population and document the results of the reinspection on the checklist (Attachment 6.6).

5.1 Size / Type / Color Verify the following information on the cable jacket agrees with References 3.2 and 3.3.

t a. Conductor size l

b. Number of conductors
c. Voltage rating l d. Jacket color NOTE: Cables may be field color coded by applying colored tape bands around the cable. In that case, the tape bands are the determining factor in deciding the calor code of the 1

2able.

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  • QI-014 Rsv. 0 5.2 Damage

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Verify there is no cbservable damage to the c'ble a as follows:

a. Cut, gouge or crack - record length, depth and location.
b. Kink or twist - record location.

NOTE: Only cable sections accessible and visible need be inspected for this attribute. Do nut disturb cables in

,' trays, junction boxes or equipment.

5.3 Spacing (Power Cables)

Verify that powe.r cables that are run in cable tray have maintained cable spacing where so indicated in References 3.2 and 3.3 and meet the following requirements:

a. Maintained spacing between cables (edge to edge) and between side rail of cable tray and adjacent cable are a minimum of one-quarter of the diameter of the largest cable.
b. Non-maintained and maintained-spaced cables are either run on opposite sides of the tray with a distance between them equal or greater than the diameter of the largest maintained space cable or all cables (both maintained space and non-maintained spaced cables) are run as maintained spaced cables as in "a" above.

NOTE: 1. Single conductor cable sizes 2/0 AWG and 4/0 AWG run as a 2-wire circuit (e.g., DC circuits) or 4-wire circuit (e.g., lighting panel feeders) shall be bundled together and tied to the cable tray rungs (ladder type tray) w1th maintained-spacing betwoun each circuit bundle. The diameter of the bundled cable shall be considered twice the diameter of the one conductor of the bundle.

2. It is not necessary for maintained-spaced cables l to conform to these requirements at transition points but random lay at those points should not exceed 4 feet.
3. For tie down requirements, refer to Section 5.12.

5.4 Slack l Verify that the following free air cable transitions have a minimum of two (2) inches movement (slack) in all directions:

a. At top and bottom entry of any cable to floof'(or skid) mounced Clasa IE equipment.

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QI-014 Rev. 0 4(' b. Class IE cables rouced between adjacent building walls of' Category I buildings.

c. Interface connections between cable tray and conduit containing Class 1E cables.
d. For NIS cables, at all transition points (i.e., junction boxes, entering or leaving conduits).

5.5 Identification

a. Verify that each cable is identified with tags near terminations in equipment or junction boros and that the tag information contains the cable's alphanumeric code designation as shown in References 3.2 and 3.3. t NOTE: 1. Cable identification tagging may be on the cable or individual conductors.
2. Cables not terminated in junction boxes are not required to be identified in the boxes.
b. Verify that inside containment, the cable identification tags are either Tefzel or Raychem NTMS-CM2 tags or Raychem NTMS cubes and that tags are attached with Tefzel Tyraps.

5.6 Routing Verify that the cable routing agrees with References 3.2 and 3.3.

NOTE: 1. Visual inspection or signal generator tracing can be utilized for cable routing verification. Use of signal generator may require determination of one conductor of a cable at both ends.

2. Refer to References 3.2 and 3.3, Report No. 2, Note 17.
3. Verification of cable routing shall not disturb cables in raceways or junction boxes.

5.7 Bend Radius

Verify that the mini == bending radii as indicated en Attachment 6.1 are not exceeded for cables in free air or inside equipment.

/ NOTE: 1. The minimum bending radius is to be measured to the inner side of the bent cable. ,

2. The minimum bend radius for NIS cables is 6 inches.

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3. Where pulling and training radii are given in Attachment a 6.1, use training radii.

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QI-014 Rsv. 0

, 5.8 Supports

a. Verify that for cables in vertical raceways and at equipment connections, wire mesh grip (stainless steel in containment) '

supports are provided at the top of the vertical raceway or as close to the top as is practical or in the equipment when the total vertical riser is greater than 25% of the spacing specified in Attachment 6.2. Also verify that additional supports are provided when the vertical interval from the location of the proceeding support exceeds the spacing specified in Attachment 6.2.

b. Verify a bedding of tape approximately 8" to 10" is installed on the cable at the top of grip location and that the grip is not causing damage to the cable.
c. Verify that the cable grip is supporting the weight of the cable.
d. Verify that the maximum unsupported length of free air cable between raceways and between raceway and equipment does not exceed 3 feet 6 inches unless approved by DCA.

5.9 Separation

a. Verify that the cable maintains minimum separation in free air and within electrical equipment from redundant safety related and

, non-safcty related cables, per Attachment 6.3.

NOTE: 1. If separation requirements are not met, identify the specific violation and its location.

b. Verify that if separation barrier material (SBM) is installed, it meets the following requirements:
1. It is secured around the cable using stainless steel (SS) bands (hose clamps, banding clamps SS ties) or by sewing.
2. The SS bands are installed within 2 inches of each end of the SBM, installed such that the distance between any two bands does not exceed 9 inches and are tight around the SBM but do not exceed one inch compression of the SBM.

l 3. Sewn stitches used to secure SBM in lieu of SS bands are not I

more'than 1/2-inch apart.

NOTE: The SMB may be depressed a maximum of one inch to permit installation.

5.10 Splices / Repairs /

! a. Verify that there are no observable splices or repaire. If any l

are observed, identify and record the location for documentation revtew.

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( NOTE
Preinsulated butt splices are excluded.
b. Verify that splices are located in equipment enclosures or splice boxes except as allowed in flexible conduit connected to instruments or devices with pigtails a'nd in solid bottom tray for penetration pigtail splices.

i c. Verify that heat-shrinkable tubing, where used, shows positive indication of adhesive flow at the ends and makes smooth contact

,' with no surface wrinkles along the contact area of the cable jacket.

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d. Verify that where a field cable is spliced to a cable of smaller sfze at equipment connection, the smaller size cable is the maximum size that the equipment will accommodate and'that it meets the requirements on Attachment 6.4.

5.11 Terminations i

Verify the following: -

a. All conductors and shields are landed at the correct locations in
accordance with the applicable engineering drawings.

NOTE: Verification of cable terminat_ ions at proper terminal points i for a three phase load is not required.

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b. The shield ground lead of an 8KV cable is carried back through the

, ground sensor current transformer before grounding when the cable l passes through a ground sensor current transformer before being terminated.

c. The shield of 8KV single conductor shielded cable is grounded at each end but not grounded at medium voltage electrical penetrations.
d. All 8stV terminations and motor connections are made with Raychem kits.
e. Verify that field installed (or removed) jumpers associated with the termination of a cable are as shown on approved engineering l drawings and where added use the same type and size wire as the j cable.

i NOTE: 1. A larger wire size is acceptable.

2. The termination requirements of the jumper are the same as the cable being terminat,ed. ,

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QI-014 Rsv. O

f. Physical attributes of terminals as follows:

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1) Conductor is flush with or extends slightly beyond end of terminal wire barrel and does not interfere with terminal hardware. When inspection holes are provided, ensure that the conductor is visible through the inspection hole.

NOTE: Where conductor insertion is not verifiable, a notation shall be made for document review.

2) Crimp is centered or near centered. Crimps may be off center but not off the end of the barrel.
3) No flash or extrusion of insulation or barrel.
4) No visible nicked wires or wire strands outside of barrel.
5) For uninsulated terminals, insulation does not enter wire barrel.
6) Crimps appear complete and terminal is secured to conductor.
7) Terminals are not damaged or altered.
g. Terminals are the correct size for the conductors per Attachment 6.5.

l h. Thermocouple extension wires are terminated without terminals and where the wire is looped around a screw, tightening of the screw tends to close the loop.

i. 600V in-line connections that meet any of the following criteria are insulated by nuclear grade heat shrinkable cable insulation sleeves:
1) An uninsulated butt splice
2) Bolted connections
3) Power cable I

i 4) Penetration assembly pigtail

5) Located in a, harsh environmental area.

Heat-shrinkable tubing shows positive indication of adhesive flow and smooth contact with no surface wrinkles along the contact area of the cable jacket.

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j. Hardware for bolted connections is the correct size, i.e., matches lug bolt hole size. Each bolted connection has flat washers under the head and nut sad lockwashers under the turning member.

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QI-014 Rsv. O Stainless steel bolts and Belleville spring washers are used if I

sither surface is aluminua. Holts have full nut engagement and split type lockwashers where used are fully compressed.

1 NOTE: If bolted connection is covered with heat shrinkable '

tubing, this attribute is nce applicable and a l notation shall be made for document review.

k. Wiring in cabinets is secured.
1. Verify that field installed Laternal components associated with a' cable termination are the correct model number, type, rating and range in accordance with engineering approved design or vendor documents.

NOTE: Associated with a cable termination means directly connected to the cable as well as wher,e a cable is terminated to a terminal block and components have been field installed and connected to the same points on the terminal block.

m. Where cables terminate on Weidmuller terminal blocks, the maximum conductor size is No. 10 AWG. Weidmuller SAK 10 are utilized when

! terminating two No. 10 AWG cables. Weidmuller SAK 6N are utilized when terminating one cable (No. 10 AWG through No. 16 AWG) and when terminating two cables (No. 12 AWG through No. 16 AWG).

5.12 Tie Downs

a. Verify that maintained-space cables or maintained-space cable bundles are tied to tray rungs with cable ties which are spaced at intervals not more than 6-feet horizontally and 3-feet vertically,
b. Verify that random lay cables in the same tray with maintained space cables are tied in bundles to tray rungs with cable ties which are spaced at intervals approximately 6 to 8 feet horizontally and not more than 4 feet vertically.
c. Verify that if holes are drilled in solid bottom tray for tie downs that they are 1/4-inch maximum diameter and spaced at least a minimum of 2 inches apart.

NOTE: 1. Ties downs in the reactor building shall be radiation resistant Tefzel.

2. Tie downs need not be installed in solid bottom trays.

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QI-014 Rev. 0 6.0 ATTACHMENTS +

6.1 Minimus Cable Bending Radius 6.2 Vertical Spacing for Conductor Supports 6.3 Separation Requirements 6.4 Termination of Oversized Cables 6.5 Terminal Lug Size Identification 6.6 Checklist 9

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Attrchment 6.1 QI-014 Page 1 of 2 MINIMUM CABLE BENDING RADIUS .

Minimum Cable Bending Radius 600 Volt Power Cable ******

1/e 750 MCM 4.48"

. 1/c 500 MCM 3.21" 1/c 350 MCM 2.82"

. 1/c #4/0 1.85" Triplex #4/0 5.57" Triplex #2/0 4.73" 1/c #2 1.30" Triplex #2 2.91" 2/c #2 3.27" 3/c #4 3.09" 1/c #2/0 1.58" .

3/c #6 2.79" 2/c #6 2.49" 3/c #8 1.85" 2/c #8 1.73" 3/c #10 1.53" 8 KV Power Cable ******

1/c 500 MCM 18.64" 1/c 350 MCM 16.92" 1/c #4/0 14.76" Minimum Bending Radius Minimum For Cable Being Bending Radius Installed Under For Permanent Pulling Tension Cable Training Description (Inches) (Inches) l 600 V Copper Control Cable l

12/C #12 '

1.92 1.28 9/C #12 1.28 .64 7/C #12 1.28 .64 5/C #12 1.28 .64 3/C #12 1.28 .64 l 2/C #12 1.28 / .64 l 1/C #12 1.28 .64

! 4/C #10 1.44 .72 l

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QI-014 I MINIMUM CABLE BENDING RADIUS Minimum Bending Radius Minimum For Cable Being Bending Radius Installed Under For Permanent Pulling Tension Cable Training Description (Inches) (Inches)

Instrument Cable 24/C (12 STP) #16 3.12 2.08 12/C ( 6 STP) #16 2.08 1.04 8/C ( 4 STP) #16 2.08 1.04 4/C ( 2 STP) #16 2.08 1.04 2/C ( 1 SPT) #16 2.08 1.04 28/C #16 1.92 1.44 24/C #16 '

1.92 1.44 22/C #16 1.92 1.44 12/C #16 1.44 .96 5/C #16 .96 .48 4/C (1 Twisted Quad) #16 2.40 1.20 3/C (1 Twisted Triad) #16 2.16- 1.08 2/C (1 Twisted Pair) #14 2.24 1.12 14/C Composite Cable (6 Pair #16 and I 1 Pair #14) 2.24 1.12 14/C Composite Cable (7 Twisted Pair),

10 mil Copper Tape Shield 11.34 9.72 1 Twisted Pair #16 1.92 .96 Thermocouple Extension Wire

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1 STP #16 Solid 1.92 .96 2 TP #16 Solid 1.92 .96 i

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Attcchment 6.2 QI-014 Page 1 of 1

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vsRTicAL SPACING FOR CONDUCTOR SUPPOR'"5 SIZE SPACING No. 18 thru No. O - - - Not greater than - - 100 ft.

No. 2/O thru No. 4/O -

Not greater than - - 80 ft.

250 MCM & 350 MCM - - - Not greater than - - 60 ft, s .

500 MCM - - - - - - - - Not greater than - - 50 ft.

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750 MCM - - - - - - - - Not greater than - - 40 ft.

Above 750,000 CM - - - Not greater than - - 35 ft.

No cable supper shall be reg.: ired if the total vertical riser length is less than 25 percent of the spacing specified in the above table.

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Attcchment 6.3 QI-014 Page 1 of 5 SEPARATION REQUIREMENTS -

  • 1 TRAIN A* TRAIN *S~ TRAlHA~ '

cAatt CASLE CABLE NOTE: . .

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_ l s), sarAsATsow UArtsGE MATERIAL (#4.AWK57;

.. swau. Nef sa usso ow Asa osar powet cAsta se, PWwc2 cASLE TRAYS. 38FACATioW paresse, s)CA&LES StraAAtth WCAELES sWTillN .

W AR SPACE '88E STCP MATetAt.(suwKET ) MAT 8F USM oN Pewte.

M"* Ell'L cowooiT wwees cana wrAceTaes Aas

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As assusasu si owwus arrusssuTATiva.

DE. TAIL GI A cA&LE, To cAa.LE

SARRitR TRAIN *A" j , TRAIN *b' cASLE CA6LE ,

, TRAIN *A TRAIM*b.

%*,,,_ CABLE CONDulT

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! cAsta - nousta aAntige e DUAR GI b f( cousLE aAeRisR ssPARATED bYIMlW.kR CASLL- METALI.lt CD40Ulf SAME. OR THERMAL (NSULATING MATE. RIAL)

SAasis TRAIN *A* -T RAIN *S*'

TRMN *A* CCNOUfT CONDUlf l cAala Fcae,4%, tt O

-l'Als$ PACE cet THERMAL IH50LAT1HG MATERIAL gg C** ctTHER. S60E M A7 TMN 7tNCM ONOWESIDE DETA ; I .

DETAIL GlE cAmLg.sNaLE tre. Mw TALLtC. cowcusT-MsvAttsc concutT .

DETAIL 6I Tveicu. ocTuLs :oa se,ARATum REGUIREMENTS OF REbuMOANT NOM-POWER $YSTEM (TEAIN6 CR CMANNE.L5i) WITHIN EQUIPMENT.

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Attschasnt 6.3 QI-014 SEPARATION REQUIREMENTS J .

I U* To MMEL Abovt THRU FLDCK CNM*G TRAIN *A* CABLES .

FOR MAAiMUM AP.0 TRAIN A.m

. MNIMUM CASLE CA&L E TRAY \

LEN6TM SEE DW6 e El t"702, DETAIL ZS

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N.Auf AREA a)5*-0*lN GENERAL

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I a)3 C'IN GENERALPLANT AREA

] ;b)I'-o*IN CAELE SPREADING AREA DETAIL 56 TY8HCAL DETAlt. FOR. SEPAiEATION REQUIR.LMENTS OF REDUNDANT SYSTEM ITRAINS OR CNANNE.LS)SYS TEM CA&LE TRAY.CASLE RUNNING NEAR OTHER EDGE OF RACEWAY CONTAJNING EITNER 6'-0

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Ze' 24, ZK, sa B K, N16 Exp0 SED 3W, 3R SW, .55 /AN F Sec.,CR. 4K,5YCAihE (GR, GW,at o t GY)

DETAIL GOB TYPICAL DETAILPOR SEPARATION REausREMuhrs op Expose.D His CABLE (NEAR.

rameTRATIONS) ANO OTHER THAM 4..S KV SYSTEld RAC.EWAT I

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Attcchment 6.3 QI-014 .

SEPARATION REQUIREMENTS -

TRAIN "A" TRAIN "B" CABLE FLEX d

  • e a) 6" when either or both cables are non-tafzal insulated or b)1" when one of the cables is non-

' safsty related and either tafzal insulated or listed in Note 10.

s UETAIL 617 (Notes 11,12)

Cable - Servicair flex

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a) I* when either or both cables a=a ncn, -*= *-= T 4 - 1=*ed or i

  • b) may tmuett when one flex contains a non-safsty related cable either

, tafze2. 4-1 = tad or listed in Nota 10,.

DETAIL 61G (Notas 11,12) '

serr4 - flex - ser@= 4 - flex i

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Attcchment 6.3 QI-014 SEPARATION REQUIREMENTS -

- l' MIN. IN FIEE STop PNt " ' f ..

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!',,3*-6* MAX

, EANDON TapM*A*CASLE TRaf- I l

!TRAIN *&*

a)3'-o'tN GENS.RAL PLANT ARSA gg, yg h)l-O*lN CABLE SPREAhlNG AREA c)IN Fett RFTARDANT MATERIAL.:' MIN.wlTH cAatEs waAppra (IMR. RATING).(SEE NOTE 9) .,

. DETAIL 58 TYpeCAL DETAit. FOR SEPARATicM REGulREMENTS Ofr EE0uMDANT SYETEM(MtAINS OR CHANNELS) EXPOSEb CAbt E.6.

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CABLE TRAY # #

'a,d3-4*lN SEMERAL PLANT AtEA TRAIN *A~ CA&LE #

kJl-O INCA &LE SMtEADiM6AfrEA

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d)WRAPOED MATERIAL INR RATIN4),

IN FIRE RETARDANTl*

.r usN$ WS CABL (SEE NOT 9)

TypiCAt. ns. Tut. soa. sapp. Avion DETAll 57 RE IREMENTS OF REOUNDANT SYSTEM MS OE E CABLE RUNWING YEICTTCA PARALLEL. TH OTHER SYSTEht CONDUff. ,

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  • l f( SEPARATION REQUIREMENTS l

l NOTES:

10) For separation within the control boards and vertical panels, see Details 61F and 61G for cables enclosed in Servicair flexible conduit. Item b of these details refers to the following cahd.es: -

a) Annunciator And'SSII lampbox '

b) Sound-powered - . . . -

cations c) Fire detection d) coaxial video C3tT -

e) Power cords to receptacle strips  !

on control wireways.

These cables may touch in+===1- wireways which are integral to the control boards.

, 11) Servicair flex shall not hang more than 3' from control l board, switch madn1 == wieaa*- addi*4aa=1 suppert.

12) 120 vac lighting and - , d ence receptacle wiring =h=TT be raa=4 dared pcwer wiring and separated f=cra safety-related wiring by at least 6" if exposed, or l' if enclosed in me*=11te ~ad"4t.

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Attcchment 6.4 QI-014 Page 1 of 1 l TERMINATION OF OVERSIZED CABLES -

1 It is acceptable to terminate power cables'directly on starters or breakers in equipment such as motor control centers where terminal blocks are not large enough.

Where necessary, field cables may be reduced in size to accommodate equipment connection provisions as follows:

1. Usd the maximum size cable that the equipment can accommodate.

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NOTE: Ensure that the ampacity of maximum cable size being spliced is equal to or 3:sater than the rating of the overcurrent protective device. See Ta61e A below.

2._ Splice using compression type lugs back-to-back and insulate the splice using heat shrinkable insuletion sleeves.

Table A 600V POWER CABLES - AMPACITY TABLE Cable Size Allowable Ampacity AWG/MCM * **

750 534 4

500 426 350 343 4/0 248 2/0 162 2 116 4 86 i 6 67 81 8 69 46

  • Aepacity is based on triplexed (also 2 or 3 single coniuctors) in conduit. -
    • Ampacity is based. on 3/C or 2/C cable in one conduit.

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Attschm:nt 6.5 QI-014-Page 1 of 1 TERMINAL LUG SIZE IDENTIFICATION -

PIDG Radiation Resistant Insulated Terminals i

Connector Gauge Terminal Insulation (AWG) Code 16-22 Natural color with Red Stripe 14-16 Natural color with Blue Stripe 12-10 Natural color with Yellow Stripe Plasti-Grip Terminals Connector Gauge Terminal Insulation (AWG)

Code 8 Natural color with Red Stripe 4

6 Natural color with Red Stripe For all others, wire size or range is stamped on the terminal.

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1 COMANCHE PEM REY 1EW TEAM j CNECKLIST '

POPULATION DESCRIPTION F0F. N0. 1-E-CABL DATE:

CABLES PACE I 0F 2 _

REINSFECTION . b UN ~ -

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EQU1FMENT MARK / TAG No. EQU1F/5 AMPLE DESCRIPTION V 1 ON P . No.

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Attcchuant 6.6 QI-014 3 .

. CWWU8CNE PEAK REVIEW TEAM CEECELIST POPULATICII DESCRIPTION POP. 300. I-E-CABL DATE:

CAsLES PACE 2 0F 2 REINSPECT 1,0N , I

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!@!PHENT MARK / TAC Iso. EQUIP /5ANFLE DESCRIPT10E I PEG. NO.

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1 Attachment 6.2 QI-027 nas.' o

  • Page 1 of 1 VERITIcATIon PAczact go. 1- 5 . g g , n ATTRIBUTE Oto./DEscRIPTIot0 REMARKS

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