ML20199E361

Rev 0 to Instruction QI-026, Reinspection of Small Bore Piping Configuration

ML20199E361
Person / Time
Site:	Comanche Peak
Issue date:	08/16/1985
From:	Hansel J, Patterson A, Ross G EVALUATION RESEARCH CORP.
To:
Shared Package
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References
FOIA-86-36 QI-026, QI-26, NUDOCS 8606230279
Download: ML20199E361 (22)

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5 EVALUATION RESEARCH CORPORATION

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COMAN RESPONSE TEAM QUALITY INSTRUCTIONS FOR ISSUE-SPECIFIC ACTION PLAN VII.c INSTRUCTION NO.: QI-026 REVISION: 0 EFFECTIVE DATE: 08/16/85

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REINSPECTION OF SMALL BORE PIPING CONFIGURATION Prepared by: h,w yw' Date:

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Riview Team Leader I

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QI-026 Rev. 0 1.0 PURPOSE 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 y

This procedure should be implemented for all small bore piping configuration inspections.

Small bora 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 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., ' low elements, temperature sensing elements, pressure sensors, orifice flanges, etc.)

2.4 All branch process connections (i.e., sockolet, weld-o-let.

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tee) coming off 2 inch and smaller safety related pipe, i

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

3.1 CPP-009. Performance of Reinspection and Documentation Review 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.

4.0 GENERAL 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 small bore piping configuration (see Reference 3.1).

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QI-026 Rev. 0 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 spool 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 Require'ments 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.

Slope:

Minimum slope as identified on the piping isometric q

drawing.

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.

.i 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 1 degree increments.

Established reference points, such as permanent bench marks, shall be the base reference 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.

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5.2 Piping Orientation NOTE: Alphanumerics in parenthesis,following the attribute refers to the checklist number.

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QI-026 Rev. 0 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. No deviation from the sequence shown on the isometric drawing shall be permitted.

l 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), hereaf ter referred to as tolerances.

5.2.3 N-S E-W Location (l.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 (l.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 (1.e)

Visually check to ensure that branch connections are in i

l 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 (l.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 4

than 200*F ensure a minimum of 1/2 inch clearance between the pipe 0.D. and the a

sleeve I.D.

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QI-026 Rev. 0 4

Any deviations to the above clearances shall

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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.

The QA/QC Support Engineer shall review the data and identify to the QC inspector the need for a deviation report.

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 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

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insulation to maintain clearance is acceptable. Line temperatures and insulation requirements are identified on Attachment 6.2.

5.2.7 Nominal Pipe Size (l.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 the specified nominal pipe size.

5.2.8 Slopes (1.h)

Ensure that the minimum slope requirement is in i

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.

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QI-026 Rev. 0 5.2.9 Mechanical Joint Location (1.1)

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

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)

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.

t 5.3.2 Stem Angle (2.b)

In horizontal pipe lines, ensure that the v.31ve stem orientation is within 2 5 degrees of the or.entation shown on the piping isometric drawing.

• or 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 the horizontal.

In vertical pipe line<. the stem angle shall be oriented to avoid interferente.

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 responsibility of the QA/QC Support Engineer.

5.3.4 Flow Direction (2.d)

Verify that the flow direction g ven 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

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c.

Excess Flow Check Valves d.

Angle Check Valves e.

Metal Diaphragm Valves 1.

Rockwell 2.

Kerotest f_. _ Butterfly Valves 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)

Vertfy 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.

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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.

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.

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QI-026 Rev. 0 NOTE:

This criteria only applies to instr mentation

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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 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 verify that flow direction through the flow element is in accordance with the isometric drawing.

5.7 Expansion Joints I

5.7.1 Identification (6.1)

Verify that the name tag on the expansica 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) 1 Ensure that all temporary tie bars have been removed from the expansion joints.

Ensure that permanent tie I

bars have not been removed.

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5.7.3 Dimensions (6.c) i Ensure that the end-to-end dimension of the expansion joint.is in accordance with the vendors instructions l

and that the piping system has not forced the expansion joint out of alignment. Tolerances shall be in accordance with the manufacturer's drawing.

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QI-026 Rev. 0 NOTE:

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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) i 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 coupletely 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 l

tape on threaded joints.

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

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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 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.

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QI-026 Rev. 0 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.

6.0 ATTACHMENTS 6.1 Comanche Peak Review Team Checklist 6.2 Insulation Data 6.3 Pipe Size Table 6.4 Valve Data 6.5 Radius and Ovality Measurements 6.6 Strainer Data i

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..1 QI- 026 Rev. O Page 1 of 3

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CWIADCIrE FEAR RESPONSE TEAM CRECKLIST FW W ATI W DESCRIFTI N F0F. 30.

DATE:

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BOCWelf RETIElf ColesON AREA anciarnama MARK / TAC NO.

ItNIP/ SAMPLE DESC31FT10ll TEk1FICAT105 PEC. No.

TERI ne_atION REftARKS ATTRIBUTE ACCEPT REJECT DATI [special inatt. deviation so. etc.)

8. Piping Orientation

e. Ceeposest Sequence I

b. Centerline Elevettee

c. N-8,E-li Lacettee

d. Lineer Dimenetese

e. Breach Commectices

f. Piping Clearances

3. Moeimal Pipe Size 1

k. Slope

1. Mechanical Joint Location L

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vERIFICATI0s ATTRIBUTE EmARIS

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2. Telves

a. Elevetime

b. seen aeste

c. Talve Ideet-ificatten No.

d. Flow Directies

3. Eccentric Reducere

a. ortestation

4. Reads

a. Radius

,b. ovality

c. Buckling

5. Orifice / Flow Element Aseeablies

4. Flasse Tap ortestacame

b. recattee

c. Identificatise

d. Flew Direettma

6. Empeastaa Jetsta

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a. Identificatame

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1 CMMGE FEAK RESPONSE TEAN N

F0F0LATI m BesCRIPTION F0F. 90.

DATE:

SMALL BORE FIPDIC CWF10DRATION FACE 3 of 3 WIT 1O usam m aa05 ooc = a r R m Eu O CO,W.

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aguaru ma MAEK/ TAG 50.

% eISANFLE u-M.05 TIRITICATION FEC. NO.

TE11FICATION REMARK $

ATTRIBUTE

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7. Screwed Jointe

a. Seal Velds

b. Tack Welds

c. Joint Sealast

8. Strainere

s. Identificaties Ember

b. Flow Direction

9. Moment Restreinte

a. Identification i

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SMALL BORE PIPING CONFIGURATION VERIFICATION PACKAGE NUMBER 4 D;. :<,

r INSULATION DATA

.LINI LINE DESIGN LINE OPERATING INSULATION INSULATION NERIBER TEMP. (note.1) TEMP. (note.1)

CLASS (note.1)

THICKNESS (note.1) REMARKS it r

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..3 QI-026 Rev. O SMALL BORE PIPING CONFIGURATION Page 1 of 1 VERIFICATION PACKAGE NO.

PIPE SIZE TABLE

• NOMINAL PIPE SIZE (IN.)

ACTUAL OU1 SIDE 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

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l 12.750 14 In. & LGR.

Same as Nominal Pipe Size I

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

PREPARED BY:

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SMALL BORE PIPING CONFICURATION VERIFICATION PACKAGE NUMBER 1

VALVES i

VALVE LOCATIDH/

VALVE SERIAL VENDOR HODEL PRESSURE TAG TYPE (note.1 NUMBER (note.2)

NUMBER (note.2)

RATING (note.2)

NUMBER (note.3)'

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Information to be taken from the installed valve. Where the

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

c'.7 tote.3 Furnished by the manufacturer and written in the format, 2TB307BSJHA. Where the information is Sb

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not on the valve body or tag, the inspector la to mark the item "Not Available".

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.5 QI- 026 Rev. O SMALL BORE PIPING CONFIGURATION Page 1 of 2 VERIFICATION PACKAGE NUMBER RADIUS MEASUREMENT

. 1.

MinAmua Band Radius Requirement Discipline Engineer Initial Date Table A. Column

Row 2.

Reinspected Bend Radius Inspector 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.

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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/Deq)

(In/Deg)

I 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 6

1 1.315 0.0638 0.0987

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1 1/2 1.900 0.0951 0.1475 8

2 2.375*

0.1255 0.1953

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..5 QI-026 Rev. O SMALL BORE PIPING CONFIGURATION Page 2 of 2 VERIFICATION PACKAGE NUMBER OVALITY MEASUREMENT I Ovality (5) = Duax Dein x 100 Do Duax Maximum diameter after bending in inches.

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Duin Minimum diameter after bending in inches.

Do Minimum diameter of straight section of pipe adjacent to the

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bend.

1.

Maximum Ovality Requirement Discipline Engineer 8%

Initial Date

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Inspector 2.

Reinspected Ovality Initial Date Measured Daax (in)

....... Measured Dain (in),

Measured Do (in)

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Calculated Ovality %

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

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4 SMALL BORE PIPING CONFIGURATION 3s~

VERIFICATION PACKAGE NUMBER STRAINER Strainer Serial Number Vendor Vendor Model Tag Number

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Name (note. 1)

Number (note. 1)

(note. 2)

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Information to be taken from the installed strainer. Where the information is not on the strainer, the inspector la to mark the item "Not Available" S

not$ 2 The tag number should be in the format CPI-DOSRTP-01.

If available, record the tag number.

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COMANCHE PEAK RESPONSE TEAM CHECKLIST l

POPULATION DESCRIPTION 4

POP. NO.

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DATE:

i RNAY 7. BORF PIPTNo CONFTC17RATTnN D at'T 1 a# 1 EE2t REINSPECTION O

o0CmEur REVIEv C C

i COMMON AREA squirnam Man?/ TAG NO.

EQUIP / SAMPLE DESCRIPTION VERIFICATION PKG. NO.

VERITICATION REMARKS ATTRIBUTE ACCEPT REJECT DATE (special instr. deviation no. etc.)

1. Piping Orientation

a. Component Sequence

b. Centerline Elevation

c. N-S,E-W Location s

d. Linear Dimensions.

e. Branch Connections

f. ?iping Clearances

3. Nominal Pipe Size

h. Slope j

1. Mechanical Joint Location PREPARED BY DATE APPROVED BY DATE APPROVED BY

DATE

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DATE APPROVED BY DATE V

DI5UIPLINE rugg, tran DISCIPLINE DGR.

INSPECTED BY DATE POP. INSPECT. PROCED.

APPROVD BY DATE RET.:

DATE '

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2. Valves

a. Elevation

b. Stem Angle

c. Valve Ident-ification No.

d. Flow Direction

3. Eccentric Reducers

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n. Orientation

4. Bends

a. Radius

b. Ovality

c. Buckling

5. Orifice / Flow Element Assemblies

a. Flange Tap Orientation

b. Location

c. Identification

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d. Flow Direction

6. Expansion Joints i

a. Identification

b. Tia Bars i

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7. Screwed Joints

a. Seal Welds

b. Tack Welds

c. Joint Sealant

8. Strainers i

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a. Identification Number

b. Flow Direction

9. Moment Restraints

a. Identification l

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