ML20195C390
| ML20195C390 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 05/06/1985 |
| From: | TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | |
| Shared Package | |
| ML20195C180 | List: |
| References | |
| FOIA-86-193, FOIA-86-A-55 CP-EI-4.0-71, NUDOCS 8605300251 | |
| Download: ML20195C390 (21) | |
Text
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'IUGCO ENGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE
- [i DATE f
05-06-85 1 of 21 CABLE TRAY HANGER AS-BUILT BY., O. S.,W f/3/35
" BOLT IOLE VERIFICATION" PREPAREQ,/y
&g I
UNIT NO. 2
{1 APPEOVED BY
,0/h 100 1
or 1.0
'REFERDJCES 1-A CP-EI-4.5-23 Cable Tray Hanger Engineering Walkdown 1-B CP-CR4-6.3 " Preparation, Approval and Control of Operation Travelers 1-C CP-EI-4.0-68 Cable Tray Hanger As-Designed and As-Built Drawing Development 1-D CP-EP-16.3 Control of Reportable Deficiencies 2.0 GENERAL 2.1 PURPOSE This instruction outlines basic responsibilities and tasks for the developnent of " Bolt Hole Verification" for Cable Tray Hangers (CTH) for Unit #2, and provides the verification criteria that shall be used to document bolt holes in attachrmnt to' concrete, structural steel, tray supports and clamps (plate or angle).
2.2 SCOPE The two hundred and thirty (230) cable tray hangers of Unit #2 will be randomly selected from those whicil were installed before January 1984 (the same time period for Unit #1 CTH installations).
'Ihese randomly selected cable tray hangers of Unit #2 will also be used for the " Bolt Hole Verification" for the bolt hole sizes in Unit
- 1 CTH.
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8605300251 860523 PDR FOIA GARDE 86-A-55 PDR 3
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. IUGCO ENGINEERING DIVISION INSTRUCTION
-REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 2 of 21 2.3 GENERAL PROGRAM DESCRIPTION
'Ihe " Bolt Hole Verification" drawing shall be prepared by the engineering walkdown team showing bolt size, bolt type, and telt hole identification numbers for:
(a) Attachment to cancrete (bolt holes in plate, angle or channel for Hilti/ Richmond bolts) l (b) Attachment to structural steel (bolt hole in channel, angle, or plate)
(c) Attachment of Cable Tray Clamps to support (bolt hole in channel, angle, or other structural member)
(d) Splice plate, washer plates, and angles attached to tray (tolt hole in plate or angle) 2.4 RESPONSIBILITY
'Ihe CPP Project Civil Engineer is responsible for providing technical direction and administrative guidance to the CPP Civil Engineering Organization of which the Unit 1 CTH Special Analysis Group is a part.
'Ihe CTH Prcgram Manager is responsible for ensuring activities within the purpose and scope of this instruction are completed in accordance with the measures described herein.
The Cnl Supervisor is responsible for implementing this instruction. 'Ihe CTH Supervisor shall coordinate the assenioly and transmittal of " Bolt Hole Verification" packages, interface activities, and establish and maintain adequate tracking i
mechanisms or logs to assure positive control of all activities described within this instruction.
When specific individuals are designated by title in this i
instruction, it shall be assumed that a designee may act in that capacity. Documentation of such designation shall be maintained within the Cable Tray Hanger Group.
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.'IUGCO ENGINEERING DIVISICN INSTRUCPION REVISTON' ISSUE PIGE DATE CP-EI-4.0-71 1
05-06-85 3 of 21 l
3.0 INSTRUCTION 3.1 INITIATION 3.1.1 General
@e Cable Tray Hanger Engineering group shall prepare and transmit approved " Bolt Hole Verification" drawings to DCC/ Paper Flow Group (PEG) for assembling specific " Bolt Hole Verification" drawing and operation traveler in a package for QC inspections. We packages shall be controlled by Unit #2 PEG.
3.2 CTH ' ':uT HOLE VERIFICATION" WANN 3.2.1 Ibcumentation of Verification Activities he CTH Supervisor shall maintain on a file, a list of individuals approved to coordinate and document field verification activities.
The QC shall document all inspection attributes per Construction Operation Traveler (Traveler) (Attachment 5) and shall be trained in use of Traveler and related attachment. W e QA department will conduct the Traveler QC training.
3.2.2 Engineering Walkdown The engineering walkdown team shall walkdown the CI'H and prepare a drawing identifying ead bolt hole with a unique number for each joint having bolted connections. 'Ihe complete drawing will contain as a minimum information shown on Attachment 1 for each unique bolt hole. To faciliate QC documentation the bolt information will be sumarized as shown on Attachment 2.
We " Bolt Hole Verification" drawing for each specific support shall be reviewed by the " Bolt Hole Verification" Supervisor and approved.
Upon approval, the drawing shall be transmitted to DCC for distribution.
3.2.3 Operat $nal Traveler The craft (construction) will remove the bolts and nuts in sud a sequence that the hanger may remain in a safe condition including
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tie-offs to adjacent structures or prop up as necessary and document on the Traveler (Attachment 5).
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.11XXD EIGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 4 of 21 1
The CC Inspector shall perform inspections listed on the Traveler and complete documentation on Table A and Table D (Attachment 5). These tables will be used for coaplete verification and documentation of tolt holes of individual randomly selected Cable Tray Hangers and identified with suffix BH at the end of the drawing number (Attachment 1).
3.3 REMOVAL OF BOLTS AND NUTS The field engineering or construction craft shall renove all bolts and nuts as specified on " Bolt Hole Verification" drawing for the specific cable tray hanger.
Loose parts resulting from renoval of the bolts shall be secured to the hanger.
3.4 THE AS-BUILT " BOLT IDLE VERIFICATION" The.QC inspector will document on Tables A & D (Attachment 5) all inspection attributes. Tables B & C (Attachment 5 are used for this inspection and are referenced in the Traveler. After completion of all QC documentation on the Traveler (Attachment 5) the package will then be returned to the Cable Tray Hanger Group.
3.5 EtGINEERING EVAUJATICN:
The Cable Tray Hanger Group shall evaluate each CrH package after completion of CC inspection on the basis of the following acceptance requirements.
3.5.1 Bolt Holes 3.5.1.1 Attachment to Concrete (a)
Bolt hole sizes for anchors (Hilti Super Kwik Bolts, Hilti Kwik Bolts and (Richmond) Screw Anchors shall be as follows:
- 1) 3/16" larger than nominal bolt diameter (max) for bolts up to and including 1 1/4" diameter.
2) 1/4" larger than nominal bolt diameter (max) for 1 1/2" diameter bolts.
3.5.1.2 Attachment to Structural Steel - (bolt holes on hanger and supporting structural steel)
Bolt hole sizes for bolts shall be 1/16" larger than the nominal bolt diameter.
'IUXD DGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 5 of 21 3.5.1.3 Attachment of Cable Tray Clamp (Angle) to support structure i
(a)
Bolt hole size for 5/8" diameter H.S. bolt shall not exceed 3/4" diameter.
.(b) Bolt hole size for 5/8" diameter A307 bolt shall not exceed 11/16" diameter.
3.5.1.4 Attachment of Cable Tray clamp (Plate or Angle) to Tray (bolt hole in plate or angle)
(a) Bolt hole size for 1/2" diameter round head bolt shall not be larger than 9/16" diameter.
(b) Bolt nole size for 3/8" diameter round head bolt shall-not ce larger than 7/16" diameter.
2 3.5.2 Washer and Washer Plate 3.5.2.1 Washers arrl washer plates shall be verified for proper selection and for tolerances per Attachment 3.
3.5.3 Edce Distance 4
3.5.3.1 For Engineering acceptance requirements of edge distance see.
3.6.
DISCREPANCIES All discrepancies resulting from QC inspection and documentation shall be transmitted to EBASG) Special Analysis Group (SAG) - New York - for engineering resolution.
3.6.1 Dimensions not in conformance with Engineering Acceptance f
Requirements:
The engneer-(SAG) shall perform necessary calculation to determine the acceptance of dimension not conforming to minimum requirements:,
A.
If after calculation it is acceptable to "Use As Is" SAG will confirm that in writing to site C m Group.
^
B.
If after calculation it is not acceptable SAG will revise the drawing to rework the affected unsatisfactory conditions.
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.'IUGCO ENGINEERIN3 DIVISION INSTRUCTION REVISION ISSUE PME DATE CP-EI-4.0-71 1
05-06-85
~ 6 of 21 3.7 REINSTALLATION 8
1 3.7.1
'Ihe craf t shall reinstall tne nuts and bolts removed during QC inspection per the Traveler (Attachment 5).
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3.7.2
'Ibe QC Inspector will perform installation inspection of bolts
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and nuts and sign off the Traveler (Attachment 5).
Any unsatisfactory condition during reinstallation shall be recorded-on Inspection Reports (Attachment 6).
3.8 IDCUMDTIATION The QC Inspector will document the inspection of bolt holes on the Traveler (Attachment 5).
l Inspection Reports (Attachment 6) shall be used to docunent all unsatisfactory condition and a copy will be sent to CIH Group.
3.8.1 REPORTS AND
SUMMARY
Final reports and sumnary shall be prepared by SM to analyze the results and recommndation to site engineering. 'Ihis report will i
be sent to Site Civil Engineering to transfer to the vault.
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.IUGCO ENGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 7 of 21 ATTACliMENT 1 t
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TEXAS UTILITIES
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GENERATING C0.
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EBASCO SERYICES INCORPORATED 7
SECT F F CABLE TRAY HANGER CLASS 1 BOLT HOLE VEFJFICATioN cccT D-D
( NUCLEAR SAFETY-REL ATED)
SAFETY CLASS 1 SEISMIC CATECCRT 1 C. P. E E. L DW MO.
M T.
SAFErv class 2 class IE ctra most CTH-2 'Dx/x-OH 01 SAFETY CtASS 3 ASSOCIATED CIRClif fS TIEAS f
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WINEERING DIVISION INSTRUCTION REVISION ISSUE pAgg DATE CP-EI-4.0-71 1
05-06-85
. 8 of 21 ATTACINENT 2 4
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I3OLT HOLE TABLE BOLT IOLE BOLT EOLT CONNECTION TRAY CIAMPS
_UNICUE NUMBER DIA TYPE
@ CONCREIE
@ STRUCTURAL STEEL
@ SUP STR
@ TRAY REMARKS i
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TUGCD ENGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE C P-EI-4. 0-71 1
05-06-85 9 of 21 ATTACHMENT 3 BOLT HOLE VERIFICATION
. WASHERS AND WA5HER PLATES M
CLIP W
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FOR l'2 BOLT
'z BEVELED WASHEPs FOR l'+ ECLT FOR l BOLT 58 FOR 34 BOLT k
8 FOR 8 BOLT
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5 FOR.
8 EOLT, 'a MN CIRCULAR WA5HER.
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FOR '1' 4 l68 MAY BE 'A MIM. *
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_ AY BE '4 MIN. *(TTR)
M FOR %" / 59;s iMAY BE5i6 MIN.:%
+:m eoet MAY n WASHER' PLATES TRIMMED IF REQUIRED REQUIREO INSIDE TRAYS E4' AND OVER AT HEAVY OUTY CLAMPS To CLEAR AN INTERFE.RENCE.
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'IUGCO ENGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 10 of 21 ATTACHMENI' 4 Sheet 1 of 4
.l BOLT H0LE VERIFICATION BOLT H0LE GAGE AND EDGE DISTANCE FOR ANGLES MMMUM
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.'IU;CO ENGINEERING DIVISION INSTPUCPICN REVISION ISSUE PICE t
DATE C P-EI-4. 0-71 1
05-06-85 11 of 21 ATI'ACNENT 4 Sheet 2 of 4 30J MOLE VER:CE ON HS A'jo7 30LT, SOLT lb I l's
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-CUX'O EN3INEERING DIVISION INSTRUCTION REVISIOt1 ISSUE.
PAGE DATE.
05-06-85 12 of 21 ATTACa4ENr 4 Sheet 3 of 4 i
BOLT HOLE VERIFICATION BOLT EDGE DISTANCE AND SPACING FOR PLATES EDGE DiST g,[3
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.'IUGCO EtGINEERING DIVISION INSTRUCTION REVISION ISSUE PPSE DATE CP-EI-4.0-71 1
05-06-85 13 of 21 ATTACliME57f 4 Sheet 4 of 4 BOLT HOLE VERtRCATION BOLT HOLE GAGE AND EOGE DISTANCE FOR CHANRL5 LONGtTUO1 MAL TRAN5 VERSE ALL SufToR.15 I
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'IUGCO DGINEERING DIVISION INSTRUCTION REVISION
' ISSUE l PAGE DATE-CP-EI-4.0-71 1
05-06-85 14 of 21 1
t
[ ATTACHMENT 5 Sheet'1 of 7
,s L.
t ametaxvIm ceE:sATIoN wAvEt.ER ' 35-1195 0
1 1.19AVEL.ER to.
- 2. EQUIRtENT NC.t.
- 3. UNIT to.
- 4. QUANTITY
- 5. PAGE I of I CIlf-6.14TIVITIY DESCRIPTION
- 7. REFEPOG D6AMINGS 2
~
- 8. 5 PEE /P!OC/EcGR INST.
- 9. LOCATI ei
- 10. SYSTEM Q
PRIPARED BY DATE CEF" ilEVIEhED BY CATE ANI.% VIEW N/A DATE N/A J
l QA/QC OP.NO DEFF OPEM TION CCNSTI DC.
ANI SCOPE: Els traveler is teing used to remove and re-insr.all the bolts and nuts ~ as required for all verification of tne bolt holes, edge distance and washe.c
(
plates. 21s traveler will also document hole sizes.
fore Inaccessible bolt holes need not be inspected'.
1 2e bolt ntsnber, size and type colt:ms in Table A shall be conpleted. Se other coltzarr, snall be lired through and labelled " inaccessible".
annoval of Ebits ard tuts:
1 1
Craft Aemove toits and nuts snown on tne referenced " Bolt Ible Verification" drawirug. Bolts and nuts snould be renoved in sudt a sepence that the hanger may remain in a safe condition, tneluding tie-off to adjacent structures as necessary.
l 1 QC-2e QC Inspector shall sign off irditridual bolt renoval (V) on Table A (page 4).
Operation 1 to te signed off by -
Inspector verifying last tult/ nut reeval.
2 QC De CC Inspector shall docu: rent and sign off tndivf4ual (V) bolt hole etqe distance on Taole A (page 4).
Bolt types shall be identified per Table B (page 5).
i Edge distances "A"
& "B" to be oriented as shown us t:te l-
"Ebit Hole Verification" drawing. Washer and wasner p
Plate edge distance shall be cbcumented arte Table C 1
(page 6).
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'IUGQ ENGINEERIN3 DIVISION INSTRUCTICN REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 15 of 21 ATTACfEENT 5 Sheet 2 of 7 CCNSTPUCTION OPEPATION TRAVEIIR 35-1195
.l. TBAM 20.
- 2. EQJIP!Ctr 20,
- 3. UNIT to.
- 4. QUrWIITY
- 5. PM E 2 ot -
C121-
- 6. ACTIVITIY DESCRIFFION
- 7. REFERENCE DRAWINGS
- 8. SPEr./PIOC/ ENGR INST.
- 9. LOCATIud
- 10. SYSrm PREPARED BY CATE DEPT REVIDED BY DATE ANI REVIEW N/A DMS N/A CA/QC OP.tr DEPP OPERATION CCNST E.
. M 3
QC Reinstallation of Bolts and Nuts:
(v)
'Ihe QC to sign off installation of irdividual bolts and nuts en Table D (page 7).
Docunent unsat conditions on the attacned IR, and list the IR ntancers in the applicable section below. Tensioning criteria is given below for eacn type of attachment. Operation 3 to be signed off by QC inspector verifying last bolt / nut reinstallation.
A.
Attacc.ent to Concrete I.
Screw Anchor Install to a " Snug-Tight" condition unsatisfactor/ cordittens listed on IR:
II. Hilti Bolt Nuts Install to a "Ibrque" cordition Unsatisfactory conditions listed cn IR:
tbeque Pequirements:
Bolt Diameter Ibrque (Inches)
(Ft-Lbs) 1/4 8
3/8 17 1/2 70 dP/8 120 l
3/4 150 1
DO 1 1/4 400
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.'IUGCO ENGINEERItG DIVISION INSTRUCTION REVISICN
, ISSUE PME DATE CP-EI-4.0-71 1
05-06-85 16 of 21 i.
ATTACIEENT 5
- Sheet 3 of 7 CONSTIUCTION OPERATION TRAVELER 35-1195 l
3.. TPAprn NO.
- 2. EQUIPMDrr !O.
J. UNITto.
- 4. QUANTITY
- 5. PME 3 & 7 Cni-
- 6. MTIVITIY weenlPr!ON
- 7. EtEFERENCE DhWIMMi
- 8. SPT/PIOC/CGR IdST.
- 9. IDCATICN
- 10. SYSTDt 4
PREPARED BY DATE DEPT ItEVIDiED BY CATE ANI 34EVIEW N/A CATE N/A l
OP.W DEPP OPERATION CA/QC (I)M;T ENG.
ANI 3
GC B. Attadment to Structural Steel cent. (V)
Install to a " Torque" condition Unsatisfactory Conditions Listed on IR (2beque Value itequirements) 5/8"A H.S. Bolt - Torque Value 228 Ft-4 3/4"# H.S. Bolt - Tbeque Value 387 Ft-6 7/8"# H.S. Bolt - Ibeque value 518 Ft-t 1"A H.S. Ebit - tbcque value 725 Ft-4)
C. Attadment (Clanps) to Tray I)
Attact1 ment to Structure Install to " Snug-Tight" condition for A307 bolts Install to "ibrque" condition for H.S. bolts Unsatisfactory condition listed on IR:
tbrque requirements for H.S. bolts
(!be 5/8"# H.S. Bolt Torque 228 Ft-Ibs)
II)
Attactment to Tray Install to a " Snug-Tight" corditico Unsatisfactory condition listed m IR:
4 CE Verify expletion of all operations, and review traveler CC and attac:nents.
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ItXiCO ENGINEERING DIVISION INSTIUCTION RS/ISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 17 of 21 ATTACHMENT 5 Sheet 4 of 7 TABIE A
- 1. TRAVELER to.
5.
BOLT MO 14ff REMOVAC. INSPfCTION 00CIND(RATION Page 4 of 7 BOLT IOLE/ EDGE DISTA!CE/ ASHER PEATE W
COCUMt2(TAf!ON
- 2. tDJIPMC(T 20,
- 3. (NIT C1H -
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'IUGCO ENGINEERING DIVISION INSTRUCTION REVISION ISSUE PAGE DATE CP-EI-4.0-71 1
05-06-85 19 of 21 ATIACHMENT 5 Sheet 6 of 7 s. aan.u.a eo.
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