ML20215N390
| ML20215N390 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 12/03/1982 |
| From: | Cowan L, Legg E TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20215N324 | List: |
| References | |
| M&AI-7, NUDOCS 8611050331 | |
| Download: ML20215N390 (19) | |
Text
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O 0~0 6'6 5 *1 Y 7 T O "H . w w. u.; . Sequoyah Nuclear Plant . DISTRIB1TTION ' 1 1C _ Plant Master Pfle 1
- Pwr Plant Superintendent HODIFICATION AND ADDITIONS Assistant Pwr Plant Sept. (Oper.)
INSTRUCTION IU Assistant Pwr Plant Supt. (Maint.) I8 M&AI-7 Assistant Pwr Plant Supt. (H&S) Administrative Supervisor Maintenance Supervisor (H) ELECTRICAL PENETRATION SPLICING, IU Assistant Maintenance Supervisor (H) i CABLE SPLICING AND CABLE REPAIR IC Maintenance Supervisor (E)
, INSTRUCTIONS IC Assistant Maintenance Supervisor (E)
Maintenance Supervisor (I) .,,; ; I, Results Supervisor Operations Supervisor
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IC Quality Assurance Supervisor *
.A l . Health Physics Supervisor *p8!N.
Public Safety Services Supv. . :W Chief Storekeeper 8L.$ I* ' IC Preop Test Program Coordinator Outage Director
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Chemical Engineer (Results) I*, Radiochen Iaboratory Instrument Shop , Reactor Engineer (Results)
- Instrument Engineer (Maint. I)
Il ' Hechanical Engineer (Results) Plant Services Supervisor Training Center Coordinator Prepared By: Lynn Cowan Public Safety Services - SNP f, Shift Engineer's Office r. Revised By: - Eric Legg Unit Control Room Health Physics Laboratory i- Submitted By: Jim Robinson IC Nucir Document Control Unit ., Supervisor IU Pwr Plant Superintendent, WBNP
- IVjI 8V J Pwr Plant Superintendent, BFNP PORC Review: Pwr Plant Superintendent, BENP I hate IU NEB-K .
p Resident NRC Inspector - SNP I Approved By: {V ai . Pwr ilt Superintendent I IC NSRS-K Technical Support Center Unit Control Room #2 m Date Approved: M/ Ok . Compliance Section Staff Supervisor g / j IC Asst. Outage Director IU Outage Director, Watts Bar The current revision level of this instruction is: 4 . . I Reason for current revision (include all temporary change numbers) . Revised in accordance with Temporary Change No. 82-1655, PORC approved 11/26/82.-
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, . 2. s 8611050331 861031 PDR ADOCK 05000337
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.. .. . gjgyppnpp Sequoyah Nuclear Plant MODIFICATION AND' ADDITION 8' INSTRUCTION.
Cover Sheet Page 2 MSAI-7 " ' l .1. - . . '
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History of Revisions . Revised Pages Revised Pages Rev. No. Date
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Rev. No. Date I' 0 11/8/79 All , 1 3/4/80 Revised 1,2,18,19,46, .I 47,48, Added 50-56 and ,.-l Title Change .. j
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.' 2 11/20/81 49,55,56 3 02/02/82 Revised 4 Q. .
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Page 1 of 19 ' Rev. 1 1.0 PURPOSE The purpose of this procedure is to provide a method of splicing cables on l inboard and outboard sides of the electrical penetrations mounted in the reactor containment vessel walls, splicing cables in general and repairing damaged conductor insulation and cable jacket. f 2.0 SCOPE This procedure is applicable to all cables and electrical containment penetrations.
3.0 REFERENCES
A. Manuals - Westinghouse Specification E2526 dated June 11, 1974, B. Installation Instruction for Westinghouse Electronic Tube Division, l Nuclear Reactor Containment Vessel, Elec t ical Penetrations; plant: 1 Sequoyah #1 and #2, contract 72C61-75164 (TVA) (for 6.9-kV splicing j only) l C. See appropriate TVA and Westinghouse drawings. l
. TVA 45A860 Series Electrical Penetration drawings '
3 Westinghouse E2492 through E2506
- D. C-38, " Installing Insulated Cables Rated Up to 15000 Volts Inclusive -
, with Sequoyah Attachment" E. Operational Quality Assurance Manual (0QAM)
F. Figures l 1. Figure 1: Typical Butt Splice Preparation for Multiple
- Conductor Cable
- 2. Figure 2: Cable Splicing Dimensions
- 3. Figure 3: Multiple conductor Cable splice
- 4. Figure 4: Butt Splice Single Conductor Cable I 5.
6. 7. Figure 5: Figure SA: Figure 6: Multiple Conductor / Single Conductor Cable Hultiple Conductor / Single Conductor Cable (Cascading) Multiple Conductor / Single Conductor Cable I 10. 8. 9. Figure 7: Figure Figure 8: 9: Hultiple Conductor Cable-Shielded without Drain Wires Multiple Conductor Cable-Shielded without Drain Wires RAYCHEM Thermofit Cable Breakout Table
- 11. Figure 10: Thermocoupling Wiring
- 12. Figure 11
- Type E Triax Connectors 6 13. Figure 12: Type F Coax Connectors '3 ,
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I . G. Attachments
- 1. RAYCHEM WCSF In-Line Field Splice Installation Guide 1050 If 69:
i I 2. 3. RAYCHEM WCSF In-Line Multiconductor Field Splice Installation Guide 1060 RAYCIEH Sleeve Selection Guide ; 'f
- 4. Connector Sleeve Acceptance Criteria . , ,,.j
- 5. Standard Drawing SD-E.5.1.3.4 *
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I Page 3 of 19 Rev. 0 l 6.0 PROCEDURE A. General Installation information I Cleanliness is of great importance in the making of any splice. The splicer's hands should be clean, particularly when applying the tapes, I and every reasonable precaution should be taken to exclude dirt and moisture while the work is in process. In a hot environment, sweat bands around the splicer's wrists will I tend to prevent perspiration from accumulating on the hands. Use of sweat bands is recommended. I No cables will be spliced inside containment without EN DES approval. Splicing of Coax and Triax cables shall not be permitted for class IE cables. Cables in the 480-V and medium-voltage class shall not be spliced inside the cable spreading' room. No splicing of insulated cable shall be made in cable trays located in Category I structures, except in electrical manholes or handholes. I Elsewhere, splicing of Class IE cables within Category I structures shall be made in splice boxes or metal enclosures, and documented on cable pull cards. Splices shall be staggered to avoid physical build-I up in the box, enclosure, or tray where applicable. Cables shall be supported so that there is no mechanical load on the splice. Each spliced circuit shall have a permanent identification cable tag or l I marker with its unique designation as shown on the cable schedule or pull card, installed adjacent to the completed splice as shown on standard drawing SD-E15.3.4. l Splicing of condue:. ors shall generally be accomplished by means of
, butt splices crimped onto the wires by means of appropriate tools.
. ficcause of differences between tools and terminals of the listed j
I manufacturers, it is important to follow closely the manufacturer's instructions applicable to the specific installation being made. Terminals and splices of a company shall always be installed with l a tool purchased from or certified by that company to ensuce a care-fully controlled uniform pressure crimp. Splicing -of medium-voltage (5-15kV) power conductors shall be insulated I with 3M Company splicing kit in accordance with standard drawing SD-E12.5.3. Where waterproof splice is required use Raychess's WCSF type N material and install as shown in step B.4 of the above standard I drawing. Splicing of med-voltage power cables shall be allowed where the lengths 4*' I of cable required exceed the length of the cable on the reel. f.: I.
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Page 4 of 19
- Rev. 3 .
6.0 PROCEDURE (Cont.) A. (Cont.) I Either noninsulated or self-insulated butt splices may be installed in systems of 600V or less and wire size No.10 AVG and smaller. Self-insulated butt splices within the primary containment shall be either *
, Tefzel (Thomas and Betts Company) or Kynar (AMP Special Industries). The vinyl or nylon self-insulated fittings are intended for applications where.
the total temperature of the conductor does not exceed 105'C (221*F). Splices of 600V or less, vire size No. 8 AWG and larger, and those of the noninsulated type for smaller wires shall be insulated with Ray-I chem Corporation WCSF-N splice covers and installed in accordance with the manufacturer's instructions using an electric heat gun (do not use torch with open flame) available from Raychem as the heat sourc E Unless otherwise noted on design drawings, cables with rubber or rubber-like (silicone) 125'C or more insulation, in systems of 600V or less, shall be spliced by one of the following procedures:
/
- a. Install noninsulated butt splice of appropriate size and build up over exposed copper surfaces with 3M Company, Scotch 70 tape (t'emp-erature rating of 180*C) to a thickness equal to the original in-sulation. The use of Raychem's WCSF-N shall be used as a repisce- )
ment for the jacket material. - l l b. For splices in multiple-conductor cable, splice and insulate the 1 l single conductors in accordance with a. above. The use of Ray- , chem's WCSF-N (section 2.2.3) chall be used as a replacement for ' the jacket material for the overall Jacket, and shall be installed as shown in Attachment 2.
- c. Install self-insulated butt splices for wire size No.10 AVG and smaller. Self-insulated butt splices shall be either Tefzel or '
Kynar. These self-insulated butt splices are intended for ap-
- plications where the total temperature of the conductor does not exceed 150'C (300*F), e.g., within primary containment.
A d. All splice connections to motors or similar type lesds using lugs or ,I 4 butt sleeves (insulated and noninsulated) shall have the appropriate t size WCSF type Raychem sleeve placed over the splice. _a W boot is l
$ required on the multi conductor cable Jacket. This connection will ~
$ be treated as a termination rather than a splice.
7 The following list serves as a guide only to the splice types .d* , (attached) for the various penetrations: ;/ l
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Co$ tings Three standard factory installed coating fy LG ? types are prailable: Flame-retarded, howy wall cable sleoves (WCSF) gl I Sealants (Type .S) are sticky, water insoluble materials, formulated to re-main pliable and self sealing indefinitely Part Number Minimum Maximurr.1 Minirnum Nominal Standard 600V Expanded Recoverst Expanded , Recovered Lengths In line ID ID Wall Wall Splicing ( f Thickness Thickness Applications
- I over a wide temperature range. They are gener:Ily intended for low pressure or WCSF.070 .250 .070 92n .08 6 #18 #10 AWG unpressurized sealing applications to "
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wirtually all substrate materials. (]acketed
, cable)
Thermoplastic Adhesives (Type. Al are a WCSF.115 .350 .115 .030 .09 6 #14 #10 AWG class of thermoplastic adhesives designed gg to withstand pressure up to 100 psi and WCSF.200 .750 .200 .030 6,9,12 #6.#4 AWG I to provide environmental seals. This type , of integrity is normally required in oppil. WCSF.300 1.200 .300 .040 .u0 6,9,12 #2.#2/0 AWG cations in which cable oils, gas pressure or hydraulic fluids are involved. Standard WCSF.500 1.500 .500 .050 .170 6,9, 12 #3/0 250 adhesrves adhere to PVC, neoprene, EPR, I CPE. polyolefin, synthetic jacket and to most metals. including lead and aluminum. WCSF.650 2.000 .650 .050
.170 MCM 6,9,12 3006500 MCM i Crosilinking Adhesives (Type. N) are a WCSF.1000 3.000 1.000 .050 .170 12,18 600 1250 unique class of heat activated crossfir*ing !
adhesives specifically formulated to pro. MCM i vide optimum radiation resistance and WCSF.1500 4.500 1.500 .050 .170 12,18 1500 2500 thermal stability at efevated temperatures. This adhesive is intended for environ-MCM mental sealing applications in high tem-
- Ass amensions are in inches.
perature severe environments. Type N ! adhesives will adnere to PVC, neoprene, Nonstandard lengths and coatings are EPR, CPE, polyolefin. synthetic jackets wailable for special applications. Please and to most metal. including lead and contact your local Raychem sales engineer aluminum. WCSF sleeves with this coat. for further informatfork
- Ing are used to produce field splices /.
I which remain functional within the gn environments of nuclear power Ordering data For standard WCSF sleeves, simply speelfy ('. J
' ' type , size, length and coating type TypicalProperties required. .
Tensile strength: 1200 psi Example: Elongation: 400% . Flammability Test Data: wcsF g 12, A i I UL 224 (heat-shrinkable tubing) FR.1 Rating - Pass UL 83 (thermoplastic wire insulation l A = ThorwWtic adnewe b-- N a Croensinking
..t materials) - Pass 8 edherhe , , . ,
if Self entinguishing per ASTM 0635-72 L.- s = seetens j Oxygen indes: 32 per ASTM D2863 L-- U = Uncoeted I Electrical Data: Lenom
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Dielectric strength (.080*' nominal wall) 300 volts / mil min stre I Volume resistivity - 1.0 = 10'8 ohm <m min
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Raychem Corporation
- 300 Constitution Drive .
Menlo Park. California 94025 415 329-3333 TWX 910-3731728 .,
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g- . Q % I@All5?El?. meg _e@__._.W@ .r , l ACCEPT l l REJECT l . E( ' 4 . g ? 3 TERTAINALS j i i @s-. 3 2 \ 4 . 1 , 2 I sic .'
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I oa STRAP T)PE N 1 4 PARALLEL SPLICES 4 j
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5 (N . - BUTT SPLICES
@ Crimped off endof spfleeorterminal.
@ Crrrr.ps centered. Crimps may be off center BLT NOT OFF Ef4D OF WIRE B ARREL. @ Wire size bein0 used dcas not match wire alze stampod on terminal. splice.of tool. -
I' @ Wito size Deing used matches wire size stamped on terminal. splice, and tool.-
@ Warc is .esible through inspr. tion hofs of butt splice,
@ Wire not inserted far enough in termlnsi or splice.
End of wire must be visible thsou0h inspection hele of butt splices, and extend beyond end of terminal i and eatends toyond and of terminal wire betrel, , I wife beffel.
@ insulation does not enterwire barrel.
@ On para'Ist splices. base wire ends must be flush @ Insulation entered barrel of terminal or opffce.
with or entend slightly beyond and of barrel. CHECK FOR INCORRECT 8 TRIP LENGTH.
@ Excestive " flash" on terminal of splice indicates wrong wire, splice, or tooling combination was o used.
@ Nkkedormissing strands.
IRE-INSULATED DIAMOND CRIP (PIDG) ACCEPTANCE CRII"illIA 4 2 f I 1.
- 2. Proper terminal for wire size (Example: AMP 22-18 for AWG 20) -
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Properproperly Crimp crimp die usedon pieced onterminal terminal (1 dot-red, 2 dots-blue,1 dot-yellow) 16 Insulation crimp holding. - grippin6 not cutting 5 Wire riush with tongue end or wire barrel
- 6. .
Proper strip lenSth - wire barrel + 1/32-inch minimum.to 3/6t -inch i r.axir.um l
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l M M M M M M M M M M M M M M M's SQNP H&AI-7 j Data Sheet ., j y Page I of 1 Worklan .s . Rev. 2 MR I Cable No. .
# Conductors Cable No.
i Cable No. Splice Location # Conductors _ # Conductors Cable No. \ Splice Location # Conductors _ l - Splice Location Splice Location ,, Inspected per Inspectoed per O(%.;: Attachments j Attachments Inspected per _1 _2 _3 _4 Attachments Inspected per . _1 _2 _3 _4 Attachments O'g l,, -{y I certify that splice _1 _2 _3 _4 _1 _2 _3 _4 i3.. meets requirements of I certify that splice I certify that splice f5.(f this procedure meets requirements of I certify tbst splice af this procedure meets requirements of this procedure meets requirements of 2 _ Inspector ~/_Date -
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_ Engineer _ Inspector ~- Date ~
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_ Engineer _ Inspector - ! Date 4 Splice Performed By Splice Performed By _ Engineer "
/i Splice Performed By k Splice Performed By *
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I . (a.3 VISUAL. INSPECTION) Visually rings, l'ien operate the tool and note the return action 5'M@f2.5.Ihig.irincNTd
*w p inspect the tool for missing pins fif,- *?f'.".3,y..e
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h or r i of the spring loadod handles, ll parts are missing or [g,*;,~,] . j casppgo l spring in handles is defective, refer to Figure 8 for vr :...=teos ,
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(b) Visustly inspect the die cicsure surfaces for flat. **.7,[J/-
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g tenod, broken, pitted or chlpped condillons. Al- ; .8 d, thouCh dles may gage within permissible limits, "; ;worn { ' , .. ggg,i'py[.,Y,'/2 l or damaged die closure surfaces are objectionable and can allect the quality of the crimp. Examples of
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- possibio damaged die closure surfaces are shown in- l' - . ,{conNkR kn00.u-N84.;l %'IM*~ *Q'NiN. .W Figuro S. .'..- ** .
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Flouse 8 ; 4.4 ole Ct.03UITEINSPECTION i Every AMP hand lool is inspected and lasted fer (a) Clean oil or dirt from lool crimping ares and plug
!. Proper die gago mt.mbers.
(jaw) closure before shippirig. An , l inspection th%.. be performod periodically to (b) Closo handles of toci until crimping jaws are bot. measure th
- ter,I dio cl.asure. tomed. Do not apply additional pressure to tool L
The tool d'* closurd .nspection is acccmplished handles. ' I'((. - using GO l:C GO plu* ;,ogos. AMP neither manu. (c) With crimptr'g laws bottomed, check the wire tiarral . factures nor .c!!s pluc gages, howevor, sugCostod crlmp dio closuto usinD the proper plug gago. Hold
- pluC gr.co cost;'.t. . nd ;no GO tlO GO dlmonsions of gago in straight alignment with the dio clost.re and I. the pluu cage inomnets are ilsted in Figure 6. Tho following p:ocedure is recommended for measuring the Icol dse closurcs, carolutly try to Iriscrt, without forcing trie 00 member, anti then thu NO.CO member. See Figura 7.
Thn wiro,GO member must pass completely through the ISIM2 barrol crimp dio closure.
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. g,r perrnanut.t repair of pruss.trirtd and poss- '~
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SiSGVSS '* I . I i rtous.c1 l'calv '. I Eaalc g>rtas**i- h: *c.S's t/stor out. Two Cystems Avaliable in more difficult environmer.!s.WRSP Two Ivpne of Wraparaurid Repair S eoves his successfu'ly passed Aff regulfed 14b lbyctwrn f.6at.*.ieri.Wani; W.aparound are evollable: WR3 and WA3r'. Innts for pressurized sop!!:at6cns on both de,)tiir $1;cve f.ewi tten catenstvelf used fc4 ::iu ; e..niane.it :cprdt c,; esisting polyethyk )e and land af. cal;i cabfe. WAS P.as passed the most critical I plant e : rte M./. They alv., have been widely er od let siew construclisn laboratory testing incl:,dir.g pressure. ppplica. tons. ternporature cyc!.ng cr. lcad. I These ers Pi c sleeves provide a fast. WP.3P is the sie nes* t.dd tion to the . c I cary on.J t ign.y re: ab'e methoo f :r repair. W4aparour.d Rt. pair Sleeve famil y. It has
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ing b;th pressuri;ed and nonpressurized a unsque adhesive which allows the fead aa1 polyst.rf ic.ao shoatt. cablo for product to be usJd over a wider tempera. serial, t.uised t n J undergrour.d plant. ture/ pressure rcange. thus making it usef Jl l
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i t.! .' ;;'C FS*ructiCnt ) acCordsnCo v/ith Rayct+rriinstructions or . spoCatic teleDhono Corrip3rty practice. ',,
'1:*. .t e't. fu'.' ors i'\ 3; cord $n~e rdith
;m." J r.re..,J pr.act.ccs. Key t.teps are: . I . o,g I
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Prcf.*rc shcsth sueface. Select proper size and length of WRS(P). Shrink WRS(P). If poly sheath, apply alurninutn tape to ! ands of WRS(P). .
! S! ns:e /.s.ification Tools On!y two cols are rtrcsred fc WRS(P)Iristallation. ..-
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- I Tote;n 6 s s.*t0S l' rep r o FH.2005. a:e:y*cne A0145S' or AOwt45:
Heal Shield Pad - AD.1460 Protects solacent cables or other tele. Channel Puller- AD.1355 Aids assernbly of the WRS(P). tre ::c e.n Hue Hose Heater (C;il). a new phono plant whi!e shrinking WAS(P). 1u.1 a.s I r..t.cg trMcm for i;:e ecre c::en t'.te: neween maicreas teiecommonwai. ors seules ter essembly instnsenens anc comeseie eescrieuee
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( Or A ....<! I nt4 i ' I To ced. WPS c.-WriSP. ::.s.fy specify celectrots Culde Wraparound Hopair Sleeves tric t, toes ISI's, tne 2 si..n.txc. :,s:eeve f.U:S cr W: Part Nrarnt>er o anJ :he cu .t:.ty desered. g g 3p~/0 85 ~ Liseful Diameter Range liriches)
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I 0.40 to 0.85 f.f ano.tre pe6cges are fr.3 Decces ants kiU.6N/RSP 60-140 I
. 020 to 1.40
, :'3 pice, e a P. tua feet fnag. Each con. WR S/W' TSP 90 210
' air c .ne l % s enanrest. <te..r. c;<.: rape 0.00 to 210 N.ve:s s...ter OD ar.d to una as Vei.StP) wgSfwqsp 1co.37b 1.C010 3.75 34
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3.00 to 6.25 .?*
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. :gsfrgpisyf;j9${fg,-j!gTgy$$f$gyfj{g 0006 l SQNP i M&AI-7 Workplan Data Sheet 1 '-
g Page 1 of I HR c, .; Rev. 2 - 7', CABLE SPLICING Cable # Cable f -S I # Conductors /Si e # Conductors / Size :; Splice Location: Splice Location: T Elev; Column; Tray, Peat or JB Elev; Column; Tray, Pent or JB ,i Electricians Performing Splice Electricians Performing Splice ; I Crimping tool # Crimping tool # Tool Calib Due Date I Splice Performed per Figure Tool Calib Due Date Splice Performed per Figure ' Crimps Acceptable per Attachment 4 Crimps Acceptable per Attachment 4
! / /
8 g --Inspector Date --Inspector Date
, E --Designee --Designee Individual Conductor Sleeve Individual Conductor Sleeve Installation Acceptable per Att. 2 Installatibn Acceptable per Att. 2
/
I --Inspector / Date --Inspector Date
--Designee --Designee
- Outer Sleeve Installation <
Outer Sleeve Installation Acceptable Per Att. 1 or 2 Acceptable Per Att.1 or 2
/ / 9
- Inspector Date
--Designee
--Inspector Date
--Designee ' .2%
, ' J ,,.{,
Splice Meets Requirements of this Procedure Splice Meets Requirements of this Procedure , '2
/
--Inspector /
Date --Inspector Date
--Designee .
--Designee '
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SQNP :1.i: H&AI-7 HR f 1- . ' . Data Sheet 2 - Page 1 of 1 *J
.g 9 Rev. 2 Work Plan 2 1 .'
CABLE JACKET REPAIR '. Cable # if Known , Location of Repair . :! (Elev, Column, Tray, Etc) J.
. !i Cable repair made
. -J, in accordance with I
i Section 6.K of this ' i instruction / / I
/ l,,g" Inspector Date Inspector I Designee Designee Date Inspector Designee Date ev TM 54 2 y$f (U ;$4 l ..K'?)
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- -- - - - -g4j; mawww.n3 Sequoyah Nuclear Plant DISTRIBITTION j g . 1C _ Plan't Master File 3 *
.1 naus superintendent MODIFICATION AND ADDITIONS Assistant Pwr Plant Supt. (Oper.)
IU Assistant Pwe Plant Sept. (Maint.) I INSTRUCTION M&AI-7 Assistant Pwr Plant Supt. (R&S) Administrative Supervisor Maintenance Supervisor (M) ! l ELECTRICAL PENETRATION SPLICING, IU Assistant Maintenance Supervisor (M) i j CABLE SPLICING AND CABLE REPAIR IC_ Maintenance Supervisor (E) ' INSTRUCTIONS 1C Assistant Maintenance Supervisor (E) i Naintenance Supervisor (I) - I Results Supervisor Operations Supervisor IC Quality Assurance Supervisor I I Mealth Physics Supervisor Public Safety Services Supv. Chief Storekeeper ,
! Preop Test Program Coordinator '
ic Outage Director
- Chemical Engineer (Results)
Radioches Laboratory
' I Instrument Shop Reactor Engineer (Results) l Instrument Engineer (Maint. I)
! Nechanical Engineer (Results) Plant Services Supervisor , Training Center coordinator J Prepared By: Lynn Cowan Public Safety Services - SNP
,a Shift Engineer's Office Revised By: Barry A. Kinsey Unit Control Room Nealth Physics Laboratory
! Submitted By: It rn kD Dituott 1U Nucir Document Control Unit Su T Fwr Plant Superintendent, WBNP FEB 6rvisor2 1962 Pwr Plant Superintendent, BFNP I
PORC Review: Pwr Plant Superintendent, BENP Date T MER-K l Resident NRC Inspector - SNP l M 8% M T NSR$.K I Approved By: rPltSuperintend$ Technical Support Center Unit Control Room #2 Date Approved: FEB 021982 Co.,liance Section Staff Supervisor ( IC Asst. Outage Director IU Outage Director, Watts Bar l 8 The current revision level of this instruction is: 3 .
! Reason for current revision (include all temporary change numbers) PORC approved
! by Temporary Change Number 32-136. The last page of this instruction is Number 56 .
~
1 i _ _ _ _ _ . _ _ _ _ _ . . _ . _ . _ _ _ _ . ~ .
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g , , g a f83 . e #: s sequoyah clear Plant MODIFICATI0K AND ADDITIONS INSTRUCTION Cover Sheet Page 2 M&Al-7 Mistory of Revisions Rev. No. At1 Revised Panes Rev. No. Date Revised Pages 0 11/8/79 All 1 3/4/80 Revised 1,2,18,19,46, - 47,48,Added 50-56 and Title Channe 2 11/20/81 49,55,56 . 3 M 41 Revised 4 I .
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g I W' I ' - MriAI-7 Page 13 of 19
- Rev. 1
- 6. Prepare the individual conductor lengths so that the butt splices I are staggered. Remove the insulation on each conductor to one-half the length of each butt splice sleeve.
- 7. Crisp the correct size butt sleeve to each of the conductors.
- 8. Slide the correct size RAYCHEM 1R.ST Type N sleeve over each of the conductors.
- 9. Crisp the mating conductor to each butt splice connector.
- 10. Center the RAYCHEM sleeve over the butt splice and shrink in I accordance with the manufacturer's instructions.
- 11. Slide the copper braid tubing over the cables as shown on Figure 8.
- 12. Center the RAYCHEM Jacket over the splice as shown on Figure 8 and shrink in accordance with the manufacturer's instructions.
K. Repairing Damaged conductor Insulation and Cable Jacket Instructions. Inspector shall witness steps I through 6 and signify acceptance on
' data sheet 2.
- 1. Thoroughly clean the area to be repaired by removing all foreign material.
- 2. If conductor insulation repair is required, cover the damaged area with 35 wraps of Scotch 33, tape.
- 3. Apply a layer of Raychem 5-1024 tape (half lapped) over the damaged area with a minimum of two inches on either side.
g 4. Install Raychem cable repair sleeve, type WRS (refer to Attachment l 5 for size), over the area covered by the S-1024 tape. Install I metal channel on repair sleeve. Using an electric heat gun (no "open flame"), shrink the repair sleeve per Attachment 5.
- 5. Remove metal channel from repair sleeve.
- 6. Install a permanent identification cable tag adjacent to the repair according to Electrical Standard Drawing No. 5D-115.3.4. The cable I .
unique identifier should be marked on the tag if known; otherwise list the MR or workplan number. I I , w.. .s w.i. 6- - IP-I I
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