ML20203A559

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Rev 2 to Quality Instruction QI-026, Reinsp of Small Bore Piping Configuration
ML20203A559
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 04/21/1986
From: Hansel J, Patterson A
EVALUATION RESEARCH CORP.
To:
Shared Package
ML20202J051 List: ... further results
References
QI-026, QI-26, NUDOCS 8607170279
Download: ML20203A559 (21)


Text

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V EVALUATION RESEARCH CORPORATION CO MO _ D C03Y CONTROL N0.-LlF-d9/

COMANCHE PEAK RESPONSE TEAM QUALITY INSTRUCTIONS FOR ISSUE-SPECIFIC ACTION PLAN VII.c INSTRUCTION NO.: QI-026 REVISION: 2 EFFECTIVE DATE: 04/21/86 O

REINSPECTION OF SMALL BORE PIPING CONFIGURATION Prepared by: Mw Date: Y-/8- 85 Approved by: Y8#

  • 8 MM* ~ Date: N~

Issue Coordinator Approved by: m__ k On-Sita QA Repr((enta(ive Date 8-6'76 Approved byt CS I Dater /[r' ((

QA Review Team Leader / /

D607170279 860711 PDR ADOCK 00000445 A PDR

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. i QI-026

, R;v. 2 1.0 PURPOSE l

V This procedure provides instructions and guidance for determining whether the small bore piping configuration meets the requirements

of the design documents and drawings.

2.0 APPLICABILITY This procedure should be implemented for all small bore piping configuration inspections. Small 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 and fittings with nominal pipe diameter 2 inches and smaller.

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 instrumentation control and indicating devices (i.e., flow elements, temperature sensing elements, pressure sensors, crifice flanges, etc.)

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

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

3.0 REFERENCES

l 3.1 CPP-009, " Performance of Reinspection and Documentation Review."

1 3.2 Description Memorandum QA/QC-RT-347, dated August 14, 1984, delineating documentation used in development of procedure including specific sources for attributes and exclusions.

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! 4.0 GENERAL

, 4.1 Reinspections are performed and documented in accordance with l established project procedures and instructions. This instruction establishes the attributes and accept / reject criteria for reinspections of small bore piping configuration j (see Reference 3.1).

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QI-026 Rev. 2 5.0 INSPECTION PROCEDURE Reinspection of piping shall be limited to that piping which is 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.,

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2 indicates sponi number 3 ASME III code Class 2. '

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

5.1 General Requirements -

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.

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Slope
Minimum slope as identified on the piping isometric
j drawing.

I Location: 12 inches in the horizontal and vertical plane for all piping.

Linear: All in-line piping components shall be located within ! 2 inches of the location shown on the piping isometric. All pipe lengths shall be within i 2 inches of the linear dimension shown on the piping isometric drawing.

When measuring piping or piping component location a measuring l device with increments of not greater than 1/16 inch is i required. For measuring angles the instrument used must be
incremented in 1 degree increments. '

i Established reference points, such as permanent bench marks, shall be the base -eference for the location of all piping and piping components. From this point plumb lines, lines with line levels, direct measuring tape measurements, transits, etc. may be used to establish location.

i 5.2 Piping Orientation l NOTE: Alphanumeries in parenthesis following the attribute refers to the checklist number.

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QI-026 Rev. 2

T 5.0 INSPECTION PROCEDURE (Cont'd) 5.2 Piping Orientation (Cont'd) 5.2.1 Component Sequence (1.a)

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. Deviations from the sequence shown on the isometric drawing are not 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 dimension given on the O 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, fittings (including couplings), valves, instrument connections, vents, piping length, etc., shall be governed by the linear tolerance for piping (see paragraph 5.1).

5.2.5 Branch Connections (1.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 cr welded branch connection is not acceptable.

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QI-026 R:v. 2 5.0 INSPECTION PROCEDURE (Cont'd) 5.2 Piping Orientation (Cont'd) 5.2.6 Piping Clearance (1.f) 5.2.6.1 For pipes with operating temperatures of 200'F and above ensure that the CL of the pipe is within 1/4 inch of the sleeve CL unless otherwise noted on the isometric. For lines with operating temperatures of less than 200*F ensure a minimum of 1/2 inch clearance between the pipe 0.D. and the sleeve I.D. Any deviations to the above c14arances shall be brought to the attention of the QA/QC Support Engineer. Four measurements shall be provided, taken at 90 degrees apart, between the pipe OD and the sleeve ID. Line temperatures and insulation requirements are identified on Attachment ,

6.0.

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 (s T / installed 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 clearances.

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.

5.2.7 Nominal Pipe Size (1.g)

Ensure that the nominal pipe size is in accordance with the piping isometric. Either circumferencial or direct measurement of the outside diameter using an instrument capable of measurements in increments of a 1/16 of an inch may be used. Attachment 6.3 may be used to verify

-g the specified nominal pipe size.

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QI-026

. R v. 2 5.0 INSPECTION PROCEDURE (Cont'd) 5.2 Piping Orientation (Cont'd) 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 measurements using an instrument with 1/16" increments is acceptable for establishing slope. Known C.L. elevations may also be used to calculate slope.

5.2.9 Mechanical Joint Location (1.j)

Verify that all bolted flange joints are dimensionally located in accordance with the piping isometric.

Tolerance shall be as previously specified for linear dimensions. Ensure that threaded joints are located as shown on the isometric. Exact location of the threaded joint is not required.

5.3 Valves 5.3.1 Elevation (2.a)

O' 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, ar i sample root isolation valves is not required. However, the orientation shall be j in accordance with the piping isometric drawing and the length of the pipe nipple l shall be subject to the linear location tolerances.

5.3.2 Stem Angle (2.b)

In horizontal pipe lines, ensure that the valve stem orientation is within 2 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 I isometric, the vslva atem ahall not be located below the horizontal. In vertical pipe lines the stem angle shall be oriented to avoid interference.

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I QI-026 Rev. 2

() 5.0 INSPECTION PROCEDURE (Cont'd) 5.3 Valves (Cont'd) l 5.3.3 Valve Identification Number (2.c)

Obtain Valve Serial Number from the ASME III identification plate located on the valve when available . Record this data and other data as '

identified on Attachment 6.4 for engineering l evaluation. '

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:

a. Check Valves
b. Flow Control Valves -
c. Excess Flow Check Valves
d. Angle Check Valves
e. Metal Diaphragm Valves
1. Rockwell
2. Kerotest
f. Butterfly Valves O g. Others where noted on the checklist.

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 isc=etric drawing.

5.5 Bends NOTE: Only cold bending of 2 inch and smaller pipe is allowed on CPSES.

5.5.1 Radius (4.a)

Verify that the minimum radius of pipe bends are in 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.  ;

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QI-026 Rev. 2

() 5.0 INSPECTION PROCEDURE (Cont'd) 5.5 Bends (Cont'd) 5.5.2 Ovality (4.b)

Piping ovality resulting from bending shall not exceed 8 percent. The QA/QC inspector shall record all required data and perform 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 buckling of pipe walls.

5.6 Orifice / Flow Element Assemblies 5.6.1 Flange Tap Orientation (5.a)

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

NOTE: This criteria only applies to instrumentation O orifices and not to those orifices whose only function is flow restriction (see Section 5.6.3 for method of identification).

5.6.2 Location (5.b)

Verify that the orifice flange is dimensionally located in accordance with the piping isometric drawing within 2 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 verify that flow direction through the flow element is in accordance with the isometric drawing.

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QI-026 hav. 2 5.0 INSPECTION PROCEDURE (Cont'd) 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 tie 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 manufacturer's drawing. System O operation is not the operation of connected system acceptable during reinspection nor is connected systems allowed unicas the is isolated from the expansion joint by a system pipe anchor.

NOTE: For those reinspection packages with isometrics showing expansion joints, a copy of the manufacturers expansion joint drawing has been included as an attachment to the reinspection package.

5.8 Screwed Joints 5.8.1 Seal Welds (7.a)

Where the piping isometric drawing requires seal welding of a threaded connection ensure that all exposed threads have been removed or that the seal weld completely covers all threads.

5.8.2 Tack Welds (7.b)

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

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QI-026 5.0 Rev. 2 JNSPECTION PROCEDURE (Cont'd) 5.9 Strainers ,

5.9.1 Identification Number (8.a)

Obtain the Strainers Serial Numb Identification plate location on ther from the ASME available.

identified on Attachment evaluation. engineering6.6s forRecord this 5.9.2 Flow Direction isometric. Verify the flow direction is in a the manufacturer's drawing may bEither flow arrows on flow direction. ody or including strainersFor those reinspection packagese used to determ a copy drawing will be included as an attof the manufacturer's reinspection package. achment to the ,

5.10 Moment Restraints _

5.10.1 Identification (9 a)

Moment restraints are an integral system pressure boundary. part of the piping moment restraint is in accordance withVerify the tag number on the isometric drawing.

the data on the manufacturersThe QA/QC Inspectorthe piping shall review determine acceptability.with that shown restraint to against the in 5.11 Elbows 5.11.1 Identification (10.a)  ;

is in accordance withec. the elbow isometriVerify installed that the buttinstalled welded inns radius elbows Specifically, and are as required. short radius elbows dimensional data to identify each tAttachment 6.7 contains (Unless otherwise indicated on th ype of elbow.

butt welded elbows shall be long r die piping isometric, a us.)

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- QI-026 Rev. 2 l

() 5.0 INSPECTION PROCEDURE (Cont'd) 5.9 Strainers 5.9.1 Identification Number (8.a)

Obtain the Strainers Serial Number from the ASME Identification plate location on the strainers when available. Record this data and other data as identified on Attachment 6.6 for engineering evaluation.

5.9.2 Flow Direction Verify the flow direction is in accordance with the isometric. Either flow arrows on the strainer body or the manufacturer's drawing may be used to determine flow direction. For those reinspection packages including strainers a copy of the manufacturer's ,

drawing will be included as an attachment to the reinspection package.

5.10 Moment Restraints 5.10.1 Identification (9.a)

Moment restraints are an integral part of the piping system pressure boundary. Verify the tag number on the moment 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.

5.11 Elbows 5.11.1 Identification (10.a) l Verify that the type of butt welded elbow installed is in accordance with the isometric. Specifically, I butt welded long radius elbows and short radius elbows

! are installed as required. Attachment 6.7 contains l

dimensional data to identify each type of elbow.

(Unless otherwise indicated on the piping isometric, butt welded elbows shall be long radius.)

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QI-026 Rev. 2 1

6.0 ATTACHMENTS 6.1 Comanche Peak Review Team Checklist 6.2 Insulation Data 3

6.3 Pipe Size Table 6.4 Valve Data

)

6.5 Radius and Ovality Measurements 6.6 Strainer Data 6.7 Welding Fittings i

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_ _ _ _ . , _ . . . _ , _ _ - - ~ . . - . . , , . . . . _ . . _ _ _ _ _ _ _ _ _ - _ . _ _ . _ . _ . . _ _ _ _ _ _ _ _ _ .

. Attcchment 6.1 QI-026 Rev. 2 O Page 1 of 3 CommCut Fra aEstoest TEau cowwt Tgt rvrua.Anuw a-K 8MLL 30EE FIFIvG TERITICATIOR FKG 30.

CourzcouTras I n.33Co.

PAGE 1 or l N'*EITY Amasse. AA05 QI-026 h IIIIISPECTIO= 0 ourt i avva,-- s MEK/ TAG 50.

O nocias==rizzo= arvtsir ==It :

Col TERIFICATION A

ACCIFT RIJECT DATE -

1. Piping Orientation
e. r ~ t Seenemee '
b. Center 11ae Elevatica
e. 5-5.5-U Location
d. Liasar Dimeneiene
e. Breach Ceanectione
f. Fisian Clearances
n. M aal Pise Sise
h. Slese
1. Itachemical Joint Leestion
2. Valves
s. Elevaties
b. Sten Amale
c. Talve Identificaties to.
d. Flow Direction FaEraaED ET: A G uvan Fl Dias.ArLINE ENGE. DATE Amerm6aan EY: LEAD DIkt.i.INE IIIGR. DATE A,r van 31:

inarssava DATE LEAD laarr.u10m DATE CPP-007. lA. Revisica 0

, Att cha:nt 6.1 QI-026 Rev. 2 C0HANCHE PEAK RESPONSE TEAM CIECELIST gTgn,r VERIFICATION PEG No.

I-M-Sa h CONFI N TION Fact _20F _3 VERIFICATI0u ACCEPT REJECT DATE N

3. Eccentric Reducers
a. Orientation
4. Seeds
a. Radies

^

b. Ovality
e. Backlima
5. Orifice / Flow Elemmat Assemblies
a. Flange Tap Orientation
b. Leestion
c. Identification
d. Flow Directica
6. '=Fa== ion Joists
a. Identifiestion t ,
b. Tie Bare
e. Dimensions
7. Screwed Jotare
s. Seal IIside
b. Tack IIside
c. Joint Sealaat l

CPP-007. LB. Revision 0 1

2

Attachment 6.1 l QI-026 i

% Rev. 2 COMANCHE PEAK RESPONSE TEAM CEECEI,IST PO ULAT VERIFICATI0lt FKG NO.

Dl ggggg I-N-SBCO-FACE _30F _3 VERITICATION ACCEPT REJECT DATE

8. Streisere
e. Identification No.
b. Flow Direction
9. Monest Restraints
9. Identification
10. Elbows i
s. Identification s

CPP-007.tB. Revision 0 l

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SMALL BORE PIPING CONFIGURATION VERIFICATION PACKAGE NUMBER INSULATION DATA 1

j LINE LINE DESIGN LINE OPERATING INSULATION INSULATION

NUMBER TEMP. (note.1) TEMP. (note.1) CLASS (note.1) TRICKNESS (note.1) REMARKS l

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%?a0 to $ O-o 5 i 5 4 ,m

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

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  • Attachm2nt 6.3 QI-026 Rev. 2 l LARGE BORE PIPING CONFIGURATION VERIFICATION PACKAGE NO.

PIPE SIZE TABLE

  • NOMINAL PIPE SIZE (IN.) ACTUAL OUTSIDE DIA. (IN.)

1/2 0.840 3/4 1.050 1 1.315 1 1/2 1.900 2 2.375 2 1/2 2.875 3 3.500 3 1/2 4.000 4 4.500 6 6.625 8 8.625 10 10.750 y 12 12.750 14 In. & LGR. Same as Nominal Pipe Size

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

PREPARED BY: DATE:

APEROVED BY: DATE:

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i j SMALL BORE PIPING CONFIGURATION VERIFICATION PACKAGE NUMBER i VALVES 1

i j VALVE LOCATION / VALVE SERIAL YENDOR MDDEL PRESSURE TAG

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

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%?60 no note.1: Furnished by the QA/QC Support Engineer note.2: Furnished by the QA/QC Inspector. Information to be taken from the installed valve. Where the ~N*{

C,,

3 information is not on the valve body or tag the inspector is to mark the item "Not Available". "

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

  • not on the valve body or tag, the inspector is to mark the ites "Not Available".
  • Attachment 6.5 QI-026 Rev. 2 q ,

SMALL BORE PIPING CONFIGURATION Page 1 of 2 Q

VERIFICATION PACKAGE NUMBER RADIUS MEASUREMENT Discipline Engineer

1. Minimum Bend Radius Requirement Initial Date Table A. Column  ; Row Inspector
2. Reinspected Bend Radius Initial Date Measured are length (in) L=

Measured bend 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 SD values.

TABLE A Column 1 2 3 4 Nominal Pipe Pipe Outside Min. 3D Radius Min. 5D Radius '

Row Size D (In) Diameter D Requirement Requirement (In) (In/Deg) (In/Deq) 1 1/8 0.0405 0.01007 0.0144 2 1/4 0.540 0.0178 0.0265 3 3/8 0.675 0.2552 0.0386 4 1/2 0.840 0.0335 0.0509 5 3/4 1.050 0.0484 0.0746 l

l 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 i O

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, Atttchment 6.5 QI-026 Rev. 2 Page 2 of 2 SMALL BORE PIPING CONFIGURATION VERIFICATION PACKAGE NUMBER OVALITY MEASUREMENT Ovality (5) = Dmax - Dmin x 100 Do Dmax = Maximum diameter after bending in inches.

Dmin = 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 i

Inspector

2. Reinspected Ovality Initial Date I

i Measured Dmax (in)

Measured Dmin (in)

Measured Do (in)

Calculated Ovality %

A micrometer or similar cevice 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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i SMALL BORE PIPING CONFIGURATION VERIFICATION PACKAGE NUMBER l STRAINER I

d

Strainer Serial Number Vendor Vendor Model Tag Number (note.1) Name (note.1) Number (note. 1) (note. 2) ,

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note. 1 Supplied by the QA/QC Inspector. Inforiention to be taken from the installed strainer. Where the "

infornation is not on the strainer, the inspector is to mark the item "Not Available"

  • j note. 2 The tag number should be in the format CPI-DOSRTP-01. If available, record the tag number.
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w Attachment 6 7 QI-026 m.2 Welding Fittings Page 1 of 1 ASA B56.9 and ASA Ble.M*

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