ML20199A667
| ML20199A667 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak, 05000000 |
| Issue date: | 06/11/1982 |
| From: | Randy Baker TEXAS UTILITIES SERVICES, INC. |
| To: | |
| Shared Package | |
| ML17192A346 | List:
|
| References | |
| FOIA-85-313, FOIA-85-59, FOIA-86-A-20 CP-EP-4.0, NUDOCS 8606120580 | |
| Download: ML20199A667 (23) | |
Text
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,1 TEXAS UTILITIES SERVICES INC.
PROCEDURE REVISIN ISSUE PAGE
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DNIE CWIRCELED COPY NO.
6-11-82 1 of 3 IESIGN 02 m CL PREPARED Br [ [
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1.0 REFERENCES
1-A TUGCO/IUSI CPSES @ Plan 1-B CP-EP-4.5 Design verification 1-C CP-EP-4.6 Design Change Cmtrol 1-D CP-EP-3.0 Crganization 1-E CP-EP-6.0 Preparation of Engineering Procedures 1-F CP-EP-7.0 Control of Engineering Procedures and Instructions 1-G CP-EP-16.3 Control of Reportable Deficiencies 1-H CP-EP-18.0 Control of Records Wrnover Activitiles 2.0 GENERAL
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2.1 PURPOSE The purpose of this procedure is to cutline general requirements for the site design control progran to ensure that activities that affect the design of safety-related or other designated items will 1:e adequately defined, developed, verified and documented in accordance with the provisions of Reference 1-A.
2.2 DEFINITICNS 2.2.1 Design Process - 2e design process consists of technical and management functions whidt menence with the identificaticn of design inputs and conclude with the congletion of the final design.
2.2.2 Final Design - Approved design output h= ants or approved changes to these documents.
2.3 RESPCNSIBILITIES Be Engineering and Construction Manager is responsible for the development, inglementation ard management of design h==nts.
W e Engineering and Construction Manager has specifically delegated the detailed inplementation of the design progran to the Managers of -
Ccncuptual and Functional Ergineering. Rese Managers shall ensure that engineering design activites are identified, planned and
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controlled in accordance with References 1-A, 1-B, and 1-C.
FM85-59 8606120500 860604 PDR FOIA i
GARDE 86-A-20 PDR
2lXAS UTILITIES SERVICES INC.
PICCEDURE REVISICN ISSUE PAGE
- (
6-11-82 2 of 3 3.0
' PROCIDURE i
3.1 GDIERAL REQUIREMDFIS 3.1.1 Assignment of Design Responsibility me design sa:ogram shall control the design of all safety-related i
structures and components and any other areas designated by the i
Engineering and Construction Manager acknowledging the roles of the j
various organizations.
(
3.1.2 Engineering Procedure and Instructicrt Personnel within the site organization per 1-D shall establish and inglement re ures/ instructions as required to inplement the design / engineering program. Engineering Instructions shall be used i
to atrol specific design tasks required by the Engineering l
Procedures. Seen instructions may be for sucti tasks as design j
planning, design interface ocritol, design input and control of design l
documents. Se instructions shall be prepared, issued and controlled j
per the provisions of Reference 1-E and 1-F.
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3.2 DESIGN INTERFACE CCNIROL 3.2.1 Application Design interface control shall be applied when the design activity of one organization, internal or external, includes or affects the design activity of other organizations.. Rose ccmsiderations shall nor-11y be defined in established procedures / instructions.
3.2.2 Doctanentation When an interface has been identified, the following shall be propered with appropriate management approval.
- a. Identifiestion of titles and responsibilities of key personnel.
- b. Establishment of lines of connunicaticn and controls for the flow of design information and changes.
- c. Control and distribution of all doctanentaticn.
3.3 CESIGN INPUr Design inputs, upon tetich final design is based shall be identified, documented, twiewed and approved on a timely basis. Design inputs shall be detailed enough to provide a consistent kasis for seking design decisions, accomplishing design verificatien and evaluating
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design dianges.
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EXAS UTILITIES SERVICES INC.
PICCEDURE REVISION ISSUE PA2 DNTE s
6-11-82 3 of 3 3.4 CCNIRCL T DESIGN DOCCMENTS Ehgineering pdates and instructions shall cutline &ctament
~mntrol requirements when applicable, sud as:
- a. Docssment issue and distribution.
bT Adequate control across desiyt interfaces in accordance with
~Section 3.3.
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- c. Assurance that proper &ciaments are identified and available throughout the design program.
3.5 EEFICIENCIES Att NCNCDNrCBNANCES Significant deficiencies and nonenformances discovered & ring the design process sud as deviations to the design bases as reflected in FSAR connaitments, design errors or deviations from the applicable i
codes or standards shall be doctanented in accordance with
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Reference 1-A and 1-G.
3.6 RECORD RETENTICN MC 'IURNOVER
'Ihe originating organization /discipljne shall assure that sufficient records are prepared as design work progresses to furnish h=nantary i
evidence of the quality of the design process and to reflect coup 11ance with documented Engineering Procedures / Instructions.
I Design records required for retention during plant cperation shall'be
. collected, stored 'and maintained in angliance with Reference 1-H.
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3ROWN 1 RCOT, INC.
ISSUE CPSE3 NtN8ER REVISION CATE PAGI 408 35-1195
!pEC 161982 1 of 70 QI-QAP 11.1-26 9
TITLE:
CRIGINATCR:
ctUAk riwej,u'2-i'i 52.
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ASME PIPE
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FABRICATION AND REVIEWED BY:
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INSTALLATION 1 6 CATE APPROVED BY:
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Site QA Minager CATE
1.0 REFERENCES
1-A ASME Boiler & Pressure Vessel Code,Section III, 1974 Edition with Addenda through Summer,1974 1-B CP-QAP-2.1-5,
" Training and Certification of Mechanical Inspection Personnel" 1-C CP-QAP-8.1, " Receiving Inspection" 1-0 CP-QAP-16.1, " Control of Nonconforming Items" 1-E Q'-QAP-11.1-31. " Installation Inspection of Mechanical Joints" 1-F CP-QAP-10.3, "QC Surveillance of Welder Performance Qualificati Test" 1-G CP-QAP-16.
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and Base Metal Repairs" h.O CP-QAP-18.2, g N.v.' g'g!ff $,
cum ation" i
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2.0 GENERAL 2.1 PURPOSE AND SCOPE This instruction delineates the requirements and cr_i.tseiq i
l to be used when performing fabrication or. insta)lation i
',TA )...,1 ;.;.. ',, ' ' ' *,, J. s l
inspection of ASME Code piping (Refer
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2.2 RESPONSIBILITY
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The Quality Control Group Supervisor k'Q V all le resp 3nsible for implementation of this instruction.
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SROWN & ROOT, INC.
8SSUE l
CPSES NUMBER REVISIOr4 DATE PAGE JI-QAP-11.1-26 9
e, ;ggg 3 of 70 2.6 ROUTINE OBSERVATIONS Inspection personnel perfonning inspections shall routinely observe general workmanship conditions in all areas of plant construction.
Observations shall include such items as:
a.
Handling / Rigging b.
Housekeeping / Storage Maintenance c.
Contamination of Stainless Steel (Material. Segregation) d.
Physical Damage Observations which are adverse to quality and existing site procedures shall be documented using Non-Confonnance Report in accordance with Reference 1-D.
2.7 INSPECTION OF MECHANICAL JOINTS Inspection of flanged
- joints, threaded joints, etc.,
shall be accomplished in accordance with Reference 1-E.
3.0
- )ENTIF" CATION MARKING. CLEANING. FIT-UP AND FINAL VISUAL
,15PECT:0N REQUIREMENT 5 3.1
, MATERIAL IDENTIFICATION AND MARKING REQUIREMENTS M.sterial identification shall be maintained on all items during fabrication and installation activities.
Tne material identification shall be such that traceability is maintained between the item and its associated documentation.
3.1.1 Maintenance of Material Identification durina Cuttina Operations T When cutting is performed in order to modihn -der-supp,i,ied - s..,,
k i
piping spool, a B&R fabricated piping spo 1, gr. cat prbdess bulk pipe for fabrication purposes, the QCI sh 13 verify, the'; -Q co$d'.ncei:.wittr" g j
following is transferred legibly, and in a
p 9 graph 3.1.4, to each cut p ece prior to eti G&
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a.
Vendor :vppliari piping spool - the sp )ol numb drawing number, o'
b.
Process bulk pipe - the heat number.
TM/ASME type l
and grade, schedule / wall thickness, spool
- number, i
drawing number, and piece number.
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SROWN & ROOT,-fNC.
ISSUE I
l CPSES NUMBER REVISION DATE PAGE I
JOB 35-1195 QI-QAP-11.1-26 9
g._-, p tog 2 10 of 70 a.
The root opening for butt welded joints shall be as i
specified on the WPS.
b.
Maximum allowable offset in final butt welded joints shall not exceed 1/4T up to and including 3/4" thickness and 3/16" for thicknesses greater than 3/4".
3.3.3 Cold Springina The QC Inspector shall verify at fit-up, prior to welding, that cold springing does not exist, and document results on the Visual Examination Checklist (Attachment 17).
3.4 PREHEAT /INTERPASS TEMPERATURE The preheating and interpass temperatures to be used for welding shall be in accordance with the applicable WPS.
Where the temperature of the surface of material to be welded falls below 60'F and a higher prehea,t is not required by the WPS, the weld area shall be preheated to a hand warm condition.
The preheat specified on the WPS shall be established before any welding.
Preheat and interpass temperatures shall be measured by the use of approved temperature indicating crayons, attached themocouples, pyrometers or any other method approved by the Owner.
Temperature indicating crayons shall be of the special lead-free, sulphur-free and halogen free type such as Tempilstick.
The area to be preheated on any weld joint shall be 3 times the wall thickness on each side of the maximum weld width.
The area shall be uniformly preheated to the required temperature before the start of production welding.,
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Temperature indicating crayons, when interpass temperature measurement sha 1 %.d6apptied,ta, q'D >7 and avoid direct contact with the surface to be weldad..fQ,;4i
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SA0WN & 2007. INC.
ISSUE C?SES NUMBER RE'tISION CATE PAGE I
JCB.15-1195 i
l QI-OAP-ll.1-26 9
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SROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION CATE PAGE JOB 35-1195 QI-QAP 11.1-26 10 FEB02*.E0 1 f 83 TITLE:
ORIGINATOR: kn NAL Sc~ c.di
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ON AND REVIEWED BY:
h--- 7 Mf-83 INSTALLATION L
DATE INSPECTIONS N
/-M-8 f APPROVED BY:
Site QA Manag e DATE
1.0 REFERENCES
1-A ASME Boiler & Pressure Vessel Code.Section III, 1974 Edition with Addenda through Summer,1974 1-B CP-QAP-11.1, " Fabrication and Installation Inspection of Components. Component Supports and Piping" 1-C QI-QAP-2.1-5, " Training and Certification of Mechanical Inspection Personnel" 1-D CP-QAP-8.1, " Receiving Inspection" 1-E CP-QAP-16.1, " Control of Nonconforming Items" 1-F C
P-10.3, "QC Surveillance of Welder Performance gjfpTest" 1-G jl ME I Documentation" 1n CP-QAP-8.S "R
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M erial" 2.0 GENERAL 2.1 PURPOSE AND SCOPE This instruction delineates the requirements and criter13 to be used when performing fabrication or installation 1-A. and 1 0). T inspection of ASME Code piping (Reference
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2.2 RESPONSIBILITY s.
The Quality Control Group Supervisor spt}; he'respin'iibie[ {
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k for implementation of this instruction i,w[
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BROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-26 10 FEs 02 iS63 2 of 83 2.3 PERSONNEL QUALIFICATIONS All QC Inspectors (QCI) performing inspections in accordance with this instruction shall be trained, qualified and certified in accordance with the require r.ents of
[
Reference 1-C.
2.4 FABRICATION AND INSTALLATION All ASME Code piping shall be received, fabricated and installed in accordance with the following:
a.
Pipe fabrication tolerances shall be as described in.
b.
Pipe erection tolerances shall be as described in.
c.
Inspection of the installation of piping to be embedded in concrete shall be 'as described in Attachment 3.
d.
Piping shall be received and receipt inspected in accordance with Reference 1-D.
1 e.
Pipe bender qualification and inspection shall be performed in accordance with Paragraph 7.0 of this i
instruction.
f.
Pipe fabrication and installation inspection shall be documented in accordance with paragraph 8.0 of this instruction.
g.
Valves shall be installed in accordance with Attachment 4.
b.
Inspection of mechanical joints, such as flanged joints, threaded joints, etc. shall be performed in accordance j
with Attachment 5.
i.
Verification and documentation of salvaged piping,, 9 I
material shall be performed in accor with.
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All design noncompliances and nonconf rmdnces,{,sgi J.
addressed in accordance with Reference 1
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BROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE J08 35-1195 QI-QAP-11.1-26 10 g g g 7gg3 10 of 83 i
a.
The root opening for butt welded joints shall be as specified on the WPS.
b.
_ Maximum allowable offset in final butt welded joints shall not exceed 1/4T up to and including 3/4" thickness and 3/16" for thicknesses greater than 3/4".
3.3.3 Cold Sorineine The QC Inspector shall verify at fit-up, prior to welding, that cold springing does not exist, and document results on the Visual Examination Checklist (Attachment 19).
3.4 PREHEAT /INTERPASS TEMPERATURE The preheating and interpass temperatures to be used for welding shall be in accordance with the applicable WPS.
Where the temperature of the surface of material to be welded falls below 60*F and a higher preheat is not required by the WPS, the weld area shall be preheated to a hand wann condition.
The preheat specified on the WPS shall be established before any welding.
Preheat and interpass temperatures shall be measured by the use of approved temperature indicating crayons, attached thermocouples, pyrometers or any other method approved by i
the Owner.
Temperature indicating crayons shall be of the special lead-free, sulphur-free and halogen free type such as Tempilstick.
The area to be preheated on any weld joint shall be 3 times the wall thickness on each side of the maximum weld width.
The area shall be unifonnly preheated to the required temperature before the start of production welding.
j pr.sheaphi' Temperature indicating crayons, when us k1ted'"to and interpass temperature measurement shall Al"g qf
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avoid direct contact with the surface to be 1
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SROWN & ROOT, INC.
L ISSUE C8SES NUMBER REVISION DATE PAGE l
QI-QAP-11.1-26 10 FEB n 1983 37 of 83 ATTACl#4ENT5(Cont'd) 2.2.6 Documentation The results of QCI verifications shall be recorded on the Construction Operation Traveler (Reference 1-8), if utilized by Construction, and on an Inspection Report (See Table 2, of this attachment) with the following exceptions:
a.
Threading QCI verification (see 2.2.1) shall be documented on the Manufacturing Record Sheet.
b.
Results of final visual inspection (Attachment 17) shall be documented on the Weld Data Card and on the Visual Inspection Checklist, (Attachment 19).
Unacceptable conditions shall be documented on an NCR (Reference 1-E).
Copleted documentation shall be reviewed and transmitted to Quality Engineering Systems as described in Reference 1-G.
2.3 FLANGE CONNECTIONS 2.3.1 Cleanliness The QCI shall verify flange faces are thoroughly cleaned to remove rust, scale, dirt, paint, etc.
2.3.2 Traceability The QCI shall verify the color code of gasliet material; heat number, lot number or color code of nuts, bolts and studs recorded on the Construction Operation Traveler (Reference 1-8).
2.3.3 Alianment The QCI shall verify the following:
a.
corresponding bolt holes align within 3/64 in g
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b.
when pipe is to connect to a flange on tqui p,umti,(L eQ i ' g }
valves, pumps, etc.), the face of the fhande ~~'s al.igned)"l(Q* J, to the lesser of 25% of the gasket ickMss' ora as
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described in a. above.
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,3, 2.3.4 Bolting t
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The QCI shall verify that no cold springp a.
to bolting.
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SRtM & ROOT. INC.
ISSUE CPSE3 NufGER REV!5!0N DATE PAGE J08 35 1195 QI-OAP-11.1-26 10 FEB 021933 63 of 83 A'PDONENT 19 6 BrownO' Root.inc.
fem Cenoe See 100t. Cien tems. Te.as Fteel QUALITY ASSURANCE DEPARTMENT VISUAL EXAMINATION CHECn !$T pe0ACT-T'""e MAK Joe NO. 1tattee UNtt pAGe of l....-
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Enter NA adjacent to attribute when not acolttable. Enter Sat./Unsat, or NA above results in each section 1 through 4 as applicable.
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5.iC)iN & RCOT, INC.
ISSUE CPSES NtN8ER REVISION CATE PAGE QI-QAP 11.1-2E 11 MAR 15 B31 1 of 84 TIT'.g.
CRIGINATOR: N/b C* c " 'M IC ON AND REVI GED BY s /
CA ' 'fN
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f INSTALLATION IN IONS APPROVED BY:
Site qA Managerv OATE'
1.0 REFERENCES
1-A ASME Boiler & Pressure Vessel Code,Section III, 1974 Edition with Addenda through Sunner,1974 1-B CP-QAP-11.1, "Fabrica tion and Ins talla tion Inspection of Components, Component Supports and Piping" 1-C QI-QAP-2.1-5, " Training and Certification of Mechanical Inspection Personnel"
/
1-0 CP-QAP-8.1, " Receiving Inspection" 1-E CP-QAP-16.1, " Control of Nonconforming Items" 1-F CP-QAP-10.3, "QC Surveillance of Welder Performance Qualification Test" 1-G CP "QA Review of ASME III Documentation"
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.u 2.1 PURPOSE AND SCOPE g
,j }
g This instruction delineates uhe requirem and er teria to be used when performing fabricatM ins tal iation inspection of ASME Code pipigg (Rafa " : 1-A ano 1-B).
2.2 RESPONSIBILITY The Quality Control Group Supervisor shall be responsible for implementation of this instruction.
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i Set 0WN & ROOT, INC.
[SSUE i
CPSES NUMBER REVISION DATE PAGE i
QI-QAP-11.1-26 11 MAR 16 G83 2 of 84 2.3 PERSONNEL QUALIFICATIONS All QC Inspectors (QCI) performing inspections in accordance with this instruction shall be trained, qualified and certified in accordance wi th the requirements of Reference 1-C.
2.4 FABRICATION AND INSTALLATION All ASME Code piping shall be received, fabricated and installed in accordance with the following:
a.
Pipe fabrication tolerances shall be as described in.
b.
Pipe erection tolerances shall be as described in.
c.
Inspection of the installation of piping to be embedded in concrete shall be as described in Attachment 3.
.d.
Piping shall be received and receipt inspected in accordance with Reference 1-0.
e.
Pipe bender qualification and inspection shall be performed in accordance with Paragraph 7.0 of this ins truction.
I f.
Pipe fabrication and installation inspection shall be documented in accordance with paragraph 8.0 of this ins truction.
g.
Valves shall be installed in accordance with Attachment 4.
h.
Inspection of mechanical joints, such as flanged joints.
threaded joints, etc. shall be perfomed in accordance with Attachment 5.
1.
Verification and documentation of salvaged pipin material shall be perfomed in wann ~w h
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F.
j.
All design noncompliances and nobco ancestshal'l?bd/ j addressed in accordance with RefePW ce 4,3E. 7 !!,;) "jg (f h"
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ISSUE CoSES NUMBER REVISION l OATE PAGE I
QI-QAP-11.1-26 11 MAR 101923 10 of 84 a.
The root opening for butt welded joints shall be as specified on the WPS.
b.
Maximum allowable offset in final butt welded joints shall not exceed 1/4T up to and including 3/4" thickness and 3/16" for thicknesses greater than 3/4".
3.3.3 Cold Springina The QC Inspector shall verify at fit-up, prior to welding, that cold springing does not exist, and document results on the Visual Examination Checklist (Attachment 19).
3.4 PREHEAT /INTERPASS TEMPERATURE The preheating and interpass temperatures to be used for welding shall be in accordance with the applicable WPS.
Where the temperature of the surface of material to be welded falls below 60*F and a higher preheat is not required by the WPS, the weld area shall be preheated to a hand warm condition.
The preheat specified on the WPS shall be established before any welding.
Preheat and interpass temperatures shall be measured by the use of approved temperature indicating crayons, attached thennocouples, pyrometers or any other method approved by the Owner.
Temperature indicating crayons shall be of the special lead-free, sulphur-free and halogen free type such as Tempilstick.
The area to be preheated on any weld joint shall be 3 times the wall thickness on each side of the maximum weld width.
The area shall be uniformly preheated to the required temperature before the start of production welding.
Temperature indicating crayons, when used for preheat and interpass temperature measurement shall be applied to...
i rg.;7~.,,q avoid direct contact with the surface to bpWd.
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!SSUE f
I CPSES NUMBER REVISION DATE PAGE OB 3MM QI-QAP-11.1-26 11 MAR 10 $33 38 of 84 ATTACHMENT 5 (Cont'd) 2.2.6 Documentation The results of QCI verifications shall be recorded on the Construction Operation Traveler (Reference 1-B), if utilized by Construction, and on an Inspection Report (See Table 2, of this attachment) with the following exceptions:
a.
Threading QCI verification (see 2.2.1) shcIl be documented on the Manufacturing Record Sheet.
b.
Results of final visual inspection (Attachment 17) shall be documented on the Weld Data Card and on the Visual Ins pection Checklis t, (Attachment 19).
Unacceptable conditions shall be documented on an NCR (Reference 1-E).
Completed documentation shall be reviewed and transmitted to Quality Engineering Systens as described in Reference 1-G.
2.3 FLANGE CONNECTIONS 2.3.1 Cleanliness The QCI shall verify flange faces are thoroughly cleaned to remove rust, scale, dirt, paint, etc.
2.3.2 Traceabili ty The QCI shall verify the color code of gasket material; heat number, lot number or color code of nuts, bolts and s tuds recorded on the Cons truction Operation Traveler (Reference 1-B).
2.3.3 Alianment gg.:lj.]!,{3 F
The QCI shall verify the following:
a.
corresponding bolt holes align withi1 K.3"?
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b.
when pipe is to connect to a flange equi'pment. (f.e., & {
valves, pumps, etc.), the face of th heljeVaT@ned 1
to the lesser of 25% of the gaske t thicknep' f id, or f as j described in a. above.
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2.3.4 Bolting I
a.
The QCI shall verify that no cold spring exists prior l
to bolting.
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l SROWN & ROOT. INC.
ISSUE CPSES
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NUMBER REVISION DATE PAGE 1 1933 64 of 84 QI-QAP-11.1-26 11 ATDGMENr 19 6 Brown &ROctkic.
pas come h test. Can amm Ilmus Feens CRIALITY ABURANCE DEPARTMENT l
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e PROCEDURE EFFECTIVE BROWN & ROOT, INC*
NUMBER REVISION DATE PAGE CPSES JOB 35-1195 CP-CPM-6.9E 7
1 of 27 05/14/84 TIRE:
ORIGINATOR:
Mr
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CATE /
CP-CPM-6.9 E (APPENDIX E)
REVIEWED BY: ffJJ GM Y ' /U PIPE FABRICATION B&R QUAL,ITY ASSURANCE DATE AND INSTALLATION CCN Gl REVIEWED BY:._ m c/4///n*
3-/ -fV WA Tf)GC0 QUALITY ASSURANCE DATE REVIEWED BY:[ I JM 87A-##
SR. PROJECT WELDI ENGINEER DATE ef '
d bY-N APPROVED BY:
CONSTRUCTION PROJECT MANAGER DATE 10R ECE /!ND 1
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U.=.;.dh d Gh 2.0 CENERAL 2.1 APPROVAL AUTHORITY 2.2 RESPONSIBILITY 3.0 PIPE FABRICATION AND INSTALLATION PROCEDURE 3.1 GENERAL 3.2 PIPING SYSTEMS REQUIRING THE REMOVAL OF THE MANUFACTURERS' INTERIOR COATINGS 3.3 CONTROL OF PIPING MATERIALS IN THE PIPE FABRICATIQ"N SHOP 3.4 PIPE BENDER QUALIFICATION 3.5 REQUIREMENTS FOR PIPE JOINTS 3.6 PENETRATIONS THROUGH WALLS AND SLABS 3.7 VALVES 3.8 TEMPORARY STRAINERS 3.9 BURIED PIPING 3.10 FABRICATION TOLERANCES 3.11
. TORQUING 3.12 PIPING DESIGN LOCATION 3.13 PIPE, HANGER, AND OTHER STRUCTURAL !%TERLAL SALVAGING 3.14 VALVE DISASSEMBLY / REASSEMBLY 3.15 MARKING 3.16 INSULATION 3.17 PIPE HANGERS 3.18 PIPE CONNECTIONS TO ROTATING EQUIPMENT 0.11 LIST OF TABLES 7"
- 6. 9 E-1 Iangth of Thread on Pipa
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EFFECTIVE PROCEDURE NUMBER REVISION DATE PAGE BROWN & ROOT, INC.
CPSES NF JOB 35-1195 05/14/84 in nr ?7 CP-CPM 6.9E 7
All bolts shall ha engaged so that there is a minimum of one If it full thread through the nut or threaded attachment.
the is not possible to visibly check the thread engagement, bolt shall be long enough to engage the threaded attachment with the same number of threads as required for a hex nut.
Flanged pipe joints shall be tightened suf ficiently to prevent leakage during pressure testing.
Flanged connections on in-line equipment (valve bonnets, etc.)
shall be tightened in accordance with the manufacturer's Where vendor manuals, drawings, or instructions are not available, the PS shall request instructions from instructions.
Engineering.
"Q" flanged pipe joints shall be documented as required by CPM-6.3.
PIPING DESIGN LOCATION 3.12 Verification of alignment shall be made at the time of fit-up (flanged connections or veld joints).
The piping shall be located to the dimensions shown on the B&R O
Erection tolerances shall be as installation drawings.
required by paragraph 3.12.1.
Prior to making a piping connection to equipment, verify that the equipment has been " approved" for piping as per Procedure MCP-1.
Contact the Mechanical Superintendent to facilitate the removal of desiccant and/or purge, and to monitor the alignment of rotating equipment during welding. operatio Final connections shall be accomplished by adjustment of the41'p-ing and supports to provide accurate alignment at thesa joints without or valves. Springing, stressing of the pipe, equipment, bending, or localized heating to obtain alignment shall not i
Weld joint alignment, be done withouT approval of Engineering. used for veld fit-up temporary attachment lugs, straps, etc.
and alignment shall be in accordance with Appendix 6.9D.
__q. g, Once the piping has been brought into position, the piping location shall be checked against the installation drawing Piping out of design for conformity by the craftsman.
location shall be adjusted until it is as close to its design When it cannot be brought to within location as possible.
tolerances given in parsgraph 3.L2.1 without bending of the piping, cold spring, or localized heating, the PS,shall p
notify Engineering for resolution, me ww-e 8
e
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l PROCEDURE
- EFFECT!VE ;
BROWN & ROOT, INC.
NUMBER
, REVISION l DATE j
PAGE CPSES
~
'iG i
JOB 35-1195 l
CP-CPM 6.9E 7
505/14/84 l
19 of 27
- Measurement for piping locations shall be taken using control base lines and bench marks set up by the B&R Field Engineering Department. The use of as-built column lines, floor lines and
~ ~other structures as reference is not permitted.
3.12.1 Erection Tolerances Piping shall be installed within the following tolerances:
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T~~ Gradient - 1/16" per foot maximum (vertical and horizontal) a b.
Slope - Minimum slope shall be as designated on the drawings c.
Location - Care should be taken to install piping exactly
- on location. When this cannot'be accomplished, the following tolerances are permitted:
1.
Unit 1 and Common buildings - 22 inches
~~ 2.
Unit 2 Reactor Containment, Safeguard, Turbine buildings and Unit 2
yard piping inch.
d.
Clearances - A minimum of two-inches of clear'ance shall be maintained, including pipe insulation with respect to other piping when one or both lines have an operating temperature of 200*F or greater. All other lines may be installed with a f
minimum of one-inch clearance, including insulation with respect to other piping.
When location specified on the drawings result in clearances less than that specified above, Site Engineering shall be contacted for resolution.
3.13 PIPE, HANGER, AND OTHER STRUCTURAL MATERIAL SALVAGE When items cannot be used because of redesign, misfabrication, damage, the disposition to Nonconformance Reports, etc., the items may be scrapped, salvaged, or returned to bulk stock. The responsible foreman shall make this determination based on the NCR, CMC or the item's physical condition, as appropriate.
l When subassembly modification results, documentation for such modification shall be prepared as required by Appendix 6.9G and the modification accomplished accordingly.
l.
A " Return to Warehouse" form shall be used when items are returned to the warehouse,. and a copy should be sent to Material Control.
Subsequent reissue of these materials shall be in accordance with CP-CPM-8.1.
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BROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195
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QI-QAP-11.1-26 16 UN 111984 20 of 73 3.5.5.2 Traceabili ty The QCI shall verify the color code of gasket material heat i
number, lot number or color code of nuts, bolts and studs recorded on the OT.
3.5.5.3 Alignment The QCI verify the following:.
j a.
Corresponding bolt holes align within 3/64 inch, b.
When pipe is to connect to a flange on equipment (i.e.,
valves, pumps, etc.), the face of the flange is aligned to the lesser of 25% of the gasket thickness or as described in "a"_above.
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3.5.5 5 Balting a.
The QCI shall verify that no cold spring exists prior
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to bolting.
b.
The QCI shall verify at least one caplete thread is exposed above the nut face.
NOTE: 1 Stu d, nut and gasket sterial shall be in accordance with that shown on installation drawings. The stud length may vary fran that shown on the
- drawing, depending on availabili ty, provided that at least one thread protrudes above the face of the nut.
Unifam stud length should be maintained, and excessive s tud length past the nut face should be avoided.
NOTE: 2 Length of studs and stud bolts shall be the threaded length and shall be measured frcm first thread to first thread.
3.5.5.5 Documentation 8
I QCI shall verify that the flange connections are made in compliance with the instruction of the Flange Assmbly Traveler (Attachment 10, typical) and in accordance with the above requirements.
3.5.6 FLANGE DISASSEMBLY When it becones necessary to disassemble inspeet%.
(Attachment 211,., j a fg g f=
an M
flanged joint, a Flange Disassembly List typical) shall be canpleted by construction and a copy ihalf l>d,
$ % b bb be submitted to the QA/QC_
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SROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE l
JOB 35-1195 QI-QAP-11.1-26 16 JUN 111984 24 of 73 The tack welds used at the root opening of open butt joints shall be full penetration. Tacks which crack during welding shall be renoved and replaced.
After tack welding, the QCI shall verify that the correct configuration is maintained, verify weld marking adjacent to the weld, (i.e., field weld number).
NOTE:
If the tack welder does not perfonn the fill, this shall be noted on the WFML, by entering a "T" by welder's symbol.
[3.6.4.2 Weld Joints
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All weld joints shall be visually inspected at fit-up in accordance with Attachments 12-15, as applicable, and supplemented by the following:
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a.
The root opening for butt welded joints shall be as specified on the WPS.
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b.
Maximum allowable offset in final butt welded joints shall not exceed 1/4T up to and including 3/4" thickness and 3/16" for thicknesses greater than 3/4".
I; 3.6.5 Cold Sprinaino l
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N The QCI shall ensure at fit-up, prior to welding or tacking, j
"Q cold springing does not exist.._
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3.6.6 Preheat /Interpass Temoerature The preheating and intepass temperatures to be used fo r welding shall be in accordance with the applicable WPS.
Where the temperatu re of the surface of material to be welded falls below 60'F and a h; hp j bg Agf(,aij{ahdiytm,aJA ga$,iA poK equ(red by the WPS, the weld area condition.
The preheat specified on the WPS shall be established before any welding.
Preheat and intenass temperatures shall be measured by the use of approved temperature indicating _ crayons, attached thennoccupies, pyrameters or any other method approved by i
the Owner.
Temperature indicating crayons shall-be of the I.
special lead-free, sulphur-free and halogen-free type such l
as Tempilstick.
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