ML20199E383

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Rev 1 to Instruction QI-025, Reinspection of Large Bore Piping Configuration
ML20199E383
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 08/16/1985
From: Patterson A, Ross G, Tate R
EVALUATION RESEARCH CORP.
To:
Shared Package
ML20199D912 List: ... further results
References
FOIA-86-36 QI-025, QI-25, NUDOCS 8606230285
Download: ML20199E383 (19)
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EVALUATION RESEARCH CORPORATION

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C0HANCHE PEAK RESPONSE TEAM QUALITY INSTRUCTIONS FOR ISSUE-SPECIFIC ACTION PLAN VII.c g INSTRUCTION No.: QI-025 REVISION: 1 EFFECTIVE DATE: 08/16/85 .

f REINSPECTION OF 1.ARGE BORE PIPING CONFIGURATION Prepar<td by: wr mf Date: 8-/M 83 ~

Approved by: . W

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Date: ['I ~

Issue Coordinator APPfoYed by: #

. On-Site QA Representative Dates h"/['8 Approved by: ( 2 M '

Date: /4' 4d^

Re~iew v Teek Leader #

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. 8606230285 860609 / , w'yff PDR FOIA .

GARDE 86-36 ,

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QI-025

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Rev. 1 1.0 PURPOSE This procedure provides instructions and guf dance for determining whether the large bore piping configuration meets the requirements of the design documents and drawings.

i 2.0 APPLICABILITY '

/ This procedure should be implemented for all large bore piping

' configuration inspections. large bore piping configuration inspections shall include all ASME III code Class 1, 2. or 3 piping shown on the Brown & Root piping isometric. The boundary shall

, include.

2.1 All safety related piping with nominal pipe diameter 2 1/2 '

inches and large.

2.2 All safety related in-line pipe components (i.e., shut-off valves. strainers, bolted joint locations, etc.).

2.3 All safety related in-line fastrumentation control and indicating devices (i.e., flow elements, temperature' sensing i elements pressure sensors, orifice flanges, etc.)

2.4 All branch process connections (i.e., sockolet, weld-o-let, f tee) including 2-inch and smaller connections coming off

,\ safety related 2 1/2 inch and larger pipe.

2.5 All vent, drain and instrument connet.tions coming off safety related piping up to and including the root isolation valves (s).

i .

3.0 REFERENCES

3.1 CPP-009. Performance of Reinspection and Documentation Review 3.2 Description Memorandum QA/QC-RT-281 dated 8/14/85 delineating .

documentation used in the development of procedures including L.

specific sources for attributes and exclusions.

4.0 CENERAL 4.1 Reinspections are performed and documented in accordance with established project procedures and instructions. This instruction establishes the attributes and accept / reject criteria for reinspections of large bore. piping configuration.

(see Reference 3.1)

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QI-025 Rev. 1 5.0 INSPECTION PROCEDURE '

J Reinspection of piping shall be limited to that piping which is l l

designated as ASME III, code Class 1, 2 or 3 pipe. The pipe code class may be determined by the last number in a line number, i.e.,

the final 2 in line number 3"CA-2-011-152-2 indicates ASME III code Class 2 pipe. An alternative method is by the use of spool numbers, i.e.,

3 Q

2

. indicates spool number 3 ASME III code Class 2.

Verification of the attributes to be inspected will be recorded on the Comanche Peak Review Team Checklist, Attachment 6.1.

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5.1 General Requiresents The following tolerances shall be used in checking the orientation of piping and piping system components unless * '

specific tolerances are identified with a specific attribute.

I Slope: Minimum slope as identified on the piping I. isometric drawing.

{ Location: 22 inches in the horizontal and vertical plane for all piping.

1 I

Linear: All in-line piping components shall be located within 2 2 inches of the location shown on the piping isometric drawing.

When measuring piping or piping component location a measuring device with increments of not greater than 1/16 inch is required. For measuring angles the instrument used must be incremented in I degree increments. 7 Established reference points, such as pernanent bench marks, ,

shall be the base reference for the location of all piping and ,

piping components. From this point, plumb lines, lines with j line levels, direct measuring tape measurements, transits, i etc. may be used to establish location.

5.2 Piping Orientation NOTE: Alphanumerics in parenthesis following the attribute 1

refers to the checklist number. '

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  • QI-025 Rev. 1

(_ 5.2.1 Component Sequence (1.a) l Visually inspect to ensure valves, branch connections, vents, drains, sample connections, orifices, flow elements and/or other inline piping components are installed in the sequence shown on the piping isometric. No deviation from the sequence shown on the isometric drawing shall be permitted.

5.2.2 Centerline Elevation (1.b)

Ensure that centerline (CL) elevations of horizontal piping is in accordance with the isometric drawing.

No pipe shall be located such that the CL location is outside the tolerance defined under " General Requirements" (see paragraph 5.1), hereafter referred to as tolerances.

5.2.3 N-S, E-W Location (1.c)

Ensure that the pipe runs in the N-S, E-W orientation are in accordance with the piping isometric. No pipe shall be located such that the N-S, E-W location is outside the allowed tolerance (see paragraph 5.1).

5.2.4 Linear Dimensions (1.d)

Ensure that the actual piping dimensions are in agreement with those shown on the piping isometric.

All linear dimensions shall be taken from center-to-center, end-to-center, face-to-center, or end-to-end as applicable. The final location of piping components, valves, instrument connections, vents, etc., shall be governed by the tolerance for piping location (see paragraph 5.1).

5.2.5 Branch connections (i.e)

Visually check to ensure that branch connections are in accordance with the piping isometrics, i.e. , if an '

ANSI tee is required substitution with a weldolet or welded branch connection is not acceptable.

5.2.6 Piping clearance (1.f) 5.2.6.1 For pipes with operating temperatures of 200*F '

and above'eneure that the'CL of,the pipe is --~

within 1/4 inch of the sleeve CL. For lines i

with operating temperatures of less than 200'F ensure a minimum of 1/2 inch clearance between th's pipe 0.D. and the sleeve I.D. Any deviations to the above clearance shall be '

brought to the attention of the' QA/qc Support  ! J.

Engineer.

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QI-025

.Rev. 1

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( Four measurements shall be provided, taken at 90 degrees apart, between the pipe OD and the sleeve ID. The QA/QC Support Engineer shall review the data and identify to the QC ,\

Inspector the need for a deviation report. "

Line temperatures and insulation requirements are identified on Attachment 6.2.

l 5.2.6.2 Ensure that a minimum of 2 inches clearance is maintained, including pipe insulation, with respect to other piping when one or both lines have an operating temperature of 200*F and greater. All other lines may be installed i

with a minimum of 1 inch clearance, including insulation, with respect to other piping.

Notching of insulation to maintain clearance is acceptable in order to maintain the above clearan~ces. Line temperatures and insulation b

' requirements are identified on Attachment 6.2.

5.2.6.3 For pipe operating at 200*F or greater a minimum of 1 inch including insulation, shall be maintained between the pipe or pipe insulation and hangers, walls, ceilings, hand rails, etc.- All other lines may be installed for insulation clearance only. Notching of insulation to maintain clearance is acceptable. Line temperatures and insulation requirements are identified on Attachment 6.2.

d 5.2.7 Nominal Pipe Size (1.g)

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Ensure that the nominal pipe size is in accordance j with the piping isometric. Either circumferential or direct measurement of the outside diameter using an instrument capeble of measurement in increments of -

l 1/16 inch may be used. Attachment 6.3 may be used to  !-l--

verify the specified nominal pipe size. '

5.2.8 Slopes (1.h)

Ensure that the minimum slope requirement is in accordance with the piping isometric. A combination

, of levels, line levels, and linear measurement using ,

i an instrument incremented with 1/16 inch increments is LL l

acceptable for establishing slope. Known C.L.

elevations may also be used to calculate slope.

5.2.9 Mechanical Joint Location (1.1)

Verify that all bolted flacge joints are dimensionally '

  • located in accordance with the piping isometric.

Tolerance shall be as previously specified for linear (

l dimensions. Ensure that threaded joidts are located as shown as the isometric. Exact location of the ,, _

4Q threaded joint is not required.

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- 5

QI-025

. Rev. 1

!( 5.3 Valves 5.3.1 Elevation (2.a)

Verify that the CL elevation of all in-line valves is in accordance with the piping isometric drawing and that the orientation of instrument valves is per the piping isometric drawings.

NOTE: Exact CL location of vent, drain, instrument, and sample root isolation valves is not

required. However, the orientation shall be in accordance with the piping isometric drawing and the length of the pipe nipple shall be subject to the linear location tolerances.

5.3.2 Stem Angle (2.b)

In horizontal pipe lines, ensure that the valve sten orientation is within 1 5 degrees of the orientation shown on the piping isometric drawing. For valves 2 inches in diameter and under in horizontal pipe lines where the specific orientation is not shown on the isometric, the valve stem shall not be located below /}g the horizontal. For valves larger than 2 inches in k diameter located in the horizontal piping where the specific orientation is not specified on the isometric, the valve shall be located in the vertical upright position. In vertical pipe lines the stem

angle shall be oriented to avoid interference.

5.3.3 Valve Identification Number (2.c)

Obtain Valve Serial Number from the ASME III

) identification plate located on the valve. Record this data and other data as identified on Attachment 6.4. Final QC acceptance of the valve shall be the l responsibility of the QA/QC Support Engineer.

5.3.4 Flow Direction (2.d)

Verify that the flow direction given on the valve body is in agreement with that shown on the piping isometric drawing for the types of valves listed below:

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a. Check valves
b. Flow Control Valves
c. Excess Flow Check Valves
d. Angle Check Valves
e. Metal Diaphragn Valves
1. Rockwell
2. Kerotest *

, f. Detterfly Valves e / et,;;,

3 Other valves when acted on the checklist. q g .

QI-025

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Rev. 1

( NOTE: The QA/QC Support Engineer shall include the type of valve after the valve location number in column 1 of Attachment 6.4 5.4 Eccentric Reducers 5.4.1 Orientation (3.a) '

/ Verify eccentric reducers are oriented in accordance -

with the isometric drawing.

5.5 Bends NOTE: Only cold bending of 2 inch and smaller pipe is allowed on CPSES unless the cold bending of a larger size is specifically approved by the Owner prior to bending. No hot bending is allowed on the site. As such, a documentation review by the QA/QC support engineer is required prior to bend reinspection to determine if the pipe was bent on-site. These lh a

criteria for bends shall only be applied if the bend was ande on-site. .

3.5.1 Radius (4.a) y Verify that the minimum radius of pipe bends are in j

accordance with that shown on the piping isometric drawings. The QA/QC Inspector shall record all required data and perform the necessary calculations as shown on Attachment 6.5.

l 5.5.2 ovality (4.b)

Piping ovality resulting from bending shall not exceed 8 percent. The QA/QC Inspector shall record all i

required data and perfore the necessary calculations as shown on Attachment 6.5.

5.5.3 Buckling (4.c)

Verify that pipe bends curve uniformly and have no visible signs of huckling of pipe walls.

5.6 Orifice / Flow Element Assemblies l

l 5.6.1 Flange Tap Orientation (5.a)

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i _ Visually inspect to ensure that instrument line taps on orifice flanges are oriented as shown on the isometric , drawings.

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QI-025 l Rev. 1

( 5.6.2 Location (5.b)

Verify that the orifice flange is dimensionally located in accordance with the piping isometric drawing within 22 inches.

5.6.3 Identification (5.c)

Ensure that the orifice plate Tag Number is in accordance with the isometric. An example of the Tag Number for a flow restricting type orifice is CP-1-CTORCS-06 and for a flow element FE-4469.

5.6.4 Flow Direction (5.d)

The flow direction is indicated on all Flow Elements.

Perform a visual inspection to ver117 that flow direction through the flow element is in accordance with the isometric drawing.

5.7 Expansion Joints 5.7.1 Identification (6.1)

Verify that the name tag on the expansion joint is in accordance with the piping isometric drawing.

The QA/QC Inspector shall review the data on the manufacturers expansion joint drawing with that shown against the installed joint to determine acceptability.

5.7.2 Tie Bars (6.b)

Ensure that all temporary tie bars have been removed from the expansion joints. Ensure that permanent tic .f bars have not been removed. ~'

5.7.3 Dimensions (6.c)

Ensure that the end-to-end dimension of the expansion joint is in accordance with the vendors instructions and.that the piping system has not forced the expansion joint out of alignment. Tolerances shall be in accordance with the manufacturers drawing.

NOTE: For those reinspection packages with isometries showing expansion joints, a copy of .

the manufacturers expansion joint drawing will d-be included as an attachment to the rginspection package.

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QI-025 Rev. 1 f 5.8 Screwed Joints .

5.8.1 Seal Welds (7.a)

Where the piping isometric drawing requires seal velding of a threaded connection ensure that all i

esposed threads have been removed or that the seal weld completely covers all threads.

l 5.8.2 Tack Welds (7.b)

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Verify that the number of tack welds installed are in accordance with the isometric.

5.8.3 Joint Sealant (7.c)

Visually inspect for any evidence of the use of teflon tspe on threaded joints. Any evidence of the use of teflon tape shall be cause for rejection of the joint.

5.9 Strainers 5.9.1 Identification Number (8.a)

Obtain the Strainers Serial Number from the ASME Identification plate location on the strainers.

Record this data and other data as identified on Attachment 6.6 5.9.2 Flow Direction (8.b),

Ensure that the indicated flow direction through the strainer is in accordance with the isometric drawings.

' Either flow arr7ws on the strainer body or the manufactures drawings (s) may be used to determine flow direction. For those reinspection packagesj including J_.

strainers,a copy of the manufacturer's strainer drawing will be included as an attachment to the reinspection package.

5.10 Moment Restraints i

5.10.1 Identification (9.a)

Moment restraints are an integral part of the piping systes pressure boundary. Verify the tag number on the monest restraint is in accordance with the piping isometric drawing. The QA/QC inspector shall review the data on the manufacturers moment restraint drawing with that shown against the installed restraint to determine acceptability.

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s QI-025 Rev. 1

( 6.0 ATTAODENTS  ;

6.1 Consuche Peak Review Team Checklist 6.2 Insulation Data 6.3 Pipe Sise Table

'l 6.4 Valve Data .

6.5 Radius and ovality Measurements 6.6 Strainer Data I.

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Attachment 6.1 QI-025 , -

Rev. 1 l Page*,1 of 3

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CDMAMCRE FTAE RE$tottSE TIAM d CuECELisT 4.1.1 i roPauTION DESCRIFT108 70F. NO. I-M-LBC0 DATE:

t.Aact 308E FDING CouFIGURATION FACE 1 of 3 REINEFECTION UutT: 1 2

.0Ca. m i m ar O Co aEA DErru.ma MARK / TAG B0. suutF/5ANFLE DESCRaratop TERIFICATIOR FKG. 100.

LAAGE SORE P!P!!IG I-M-LSCO SRP- ,

AND COMPONSTS Fact of mincAttow actAus ATTRIBUTE ACCEPT REJECT DATE [soecial instr. deviaciou no, etc.)

1. Piping Orientation
a. Component Sequence
b. Caeceriine Elevaties f c. W-S.E-4f Location .
d. Linear Dineestons
e. Branch Connectioon
f. Fiping Clearances S. 3*=i""1 F1Pe Site
h. Slope
1. Mechanical Joint Location FSEFAAED BY DATE AMROTG ST DATE AFF30VG SY DATE 0 .1CIPLINE ian,a. E.-. u?. aurai. REVIEW TEAM ' " 3 .

Gsia3ED BT DATE 4.r ,se 51 BATE

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stattrLas man.s. ' " DIss a rtPit 1 ;r.

Zhaikie ST DATE F0F. isai si. F10CID. APP 30T D BY DATE s

SET.t DATE tsar m vu s_rin IF5FECTOR C0F-4AI-403.1 6/03 w (g)p0F9

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Attachment 6.1 QI-025 1

"~ Rev. 1 I Page'.2 of 3

(

COMANCRE FEAK RESPONSZ TEAM A carrTrf g LLA 70FRATION DESGIFIION F0F. NO. !-i448CD

' DATE:

taACE BORE FIFING CONFICORATION Pace 2 of 3 REZIEFECTICE C '

UNIT: 1C 2 Domusur RETIDF C Comou astA Q aun t.ws .*^=! Tac 30. Luv utsasF1.I OESC11FTION TE11TICAT10N FEG. 30. A Bar-LM GE 80RE PIPING AMO I4f48CO La COMPonOITS FACE OF FERITICATION l REMARES ATTRIBUTE W.m ALJEG OATE Keeecial instr. deviation no. etc.)

2. Talves
4. Elevation
b. Stem Angle '

F

c. Talve Ident-ification No.

( d. Flow Direction

3. Ictestric Reducers
s. Orientation
4. Beads -
a. Radius
b. OvalitT
c. Suckling
5. Orifics/ Flow Eleaset Assemblies
a. F' g e Tap O h tstion
b. Locacias
c. Identificatise
d. Flow Directise
4. Empeeeise Jetsta
a. Identificaties -
b. Tie Bars '

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.. CDF-MI-103. ta 4/43 . ./ '

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Attachment 601 Q1-025

_ Rev. 1 Page ,3 of 3

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COMANCIE FEAK RESPONSE TEAM cur m q 70f0LATION DESCRIPTION for. NO. I-M-LSCO i 5421:

LanGE B0st FIFING CONFIGORATION PACE 3 of 3 REIESPECTIos @ UNIT: 1Q I Q t

.0Camur imin Ceemu AaE' O

. agu6rm as MARK / TAG 50.

g g g- Aou g g GE FIG. NO.

SRP- COPPONDITS pact or

- EEM&RES ATTRIBUTE nu r. U.J KT DATI (seecial inst . devtstion so. etc.)

l 7. Screwed Joists

a. Seal Welds .

I b. Tack Nelds I a l

c. Jetmc Sealast .
8. Streisers
a. Identification i Number A 1 &
b. Tiow Directica f
9. Mouset Restraints I
a. Identification l

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CDF 41-103.ta 4/85 -

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Attachment 6.2 QI-025 R;v. I SS~ ~ pf~ - ^

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. LARGE BORE PIFING CONFIGURATION ', l I

.TERIFICATION FACKAGE NO. -

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l INSULATION DATA 8

l LINE LINE DESIGN LINE OPERATINC INSULATION INSULATION ,

NUMBER TEMP. (note.1) TEMP. (note.1) CLASS (note.1) THICKNESS (note.1) REMARKS Y'

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l i .- note 1: Furnished by the QA/QC Support Engineer.

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Attachment 6.3 ,

QI-025 Rev. 1 Pagd, 1 of 1

( LARGE BORE PIPING CONFIGURATION ,

I VERIFICATION PACEAGE NO. _f PIPE SIZE TABLE

  • s NOMINAL PIPE SIZE (IN.) ACTUAL OUTSIDE DIA. (IN.) i 1/2 0.840 3/4 1.050 ,

1 1.315 1 1/2 1.900 2 2.375 2 t/2 2.875 3 3.500 3 1/2 4.000 4 4.500 6 6.625 8 8.625 10 10.750 12 12.150 14 In. & LGR. Same as Nominal Pipe Size

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  • Actual outside diane (IN.) has been extracted from CRANE Technical

. Paper .

1 PREPARED BY: w,> DATE: F-/3'- 83

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APPROVED BY
DATE: l

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Attachment 6.4 -

'01-025  : @Si"

Rev. 1 c c {p; ,

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LARGE BORE PIPING CONFICURATION pp i e VERIFICATION PACKAGE NO. }- [

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  • 1.;

i VALVES .

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! VALVE LOCATION VALVE SERIAL VENDCE MODEL PRESSURE TAC

! NUMBER (note.1 NUMBER (note.2) NUMBER (note.2) RATING (note.2) NUMBER (note.3)

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note.1: Furnished by the QA/QC Support Engineer e a note.2: Furnished by the QA/qC Inspector. Information to be taken from the installed valve. Where the ,

i informatipoisnotonthevalvebodyortagtheinspectoristomarktheites"NotAvailable".{

note.3: Furnished by the manufacturer and written in the format, 2TB307BSJMA. Where the information 14 >

not on the valve body or tag, the inspector is to mark the item "Not Available".  ! ')

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1 Attachment 6.5 QI-025 Rev.,1

f Pager 1 of 2

( LARCE BORE PIPING CONFIGURATION  ;

VERIFICATION PACEACE NO.

RADIUS MEASUREMENT Discipline Engineer 7 1 Minimum Bend Radius Requirement Initial Date Table A Column  ; Row Ir.spector

2. Reinspected Bend Radius Initial Date l*

Measured are length (in) L=

i Measured band angle (deg)B=

Calculated are length in L=

bend angle deg B

3. Table A below provides minimum acceptance values for 3 and 5 diameter bends. Calculated L/B values shall be greater or equal than minimum 3D or 5D values.

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TABLE A i

COLUlci 1 2 3 4 Nominal Pipe Pipe Outside Min. 3D Radius Min. SD Radius ROW Size D (In) Diameter D Requirement Requirement (In) (In/Deg) (In/Deg) 1 1/8 0.405 0.01007 0.0144 2 1/4 0.540 0.01/8 0.0265 I,

3 3/8 0.675 0.2552 0.0386 4 1/2 0.840 0.0335 0.0509 3/4 5 -

1.050 0.0484 0.0746 6 1 1.315 0.0638 0.0987

~ 7 1 1/2 1.900 0.0951 0.1475 8 2 2.375 0.1255 0.1953

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Attachment 6.5 QI-025 .

Rev.,1 Page ,2 of 2

.( LARGE BORE PIPING CONFIGURATION VERIFICATION PACKAGE NO. lA OVALITY MEASUREMENT Ovality (5) = Duax -

Dein x 100' Do Dmax a Maximum diameter after bending in inches.

Duin =

Minimum diameter after bending in inches.

Do =

Minimum diameter of straight section of pipe adjacent to the bend.

1. Maximum Ovality Requirement Discipline Engineer

( 8% Initial Date

. Inspector

2. Reinspected Ovality Initial Date Measured Dmax in Measured Dmin in Measured Do in Calculated Ovality %

A micrometer or similar device capable of measuring in increments of at least .001 inches shall be used to obtain all dimensions used in calculating ovality.

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Attachelent b.6 ,30 7 QI-025 i ' . '-

Rev. l . . ;)

LARGE BORE PIPING CONFIGURATION ..

VERIFICATION PACKAGE NO.

k.
  • STRAINER r .

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Strainer Serial Number / Vendor Vendor Model Tag Number

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Valve Type (note.1) Name (note. 1) Number (note. 1) (note. 2) 8 s y _. '-

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Y note. 1 Supplied by the QA/QC Inspector.

Information to be taken from the installed strainer. Where the note. 2 information is not on the strainer, the inspector is to mark the item "Not Available" The tag number'should be in the format CP1-DOSRTP-01. If available, record the tag number.

e e

. v .

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