ML20195F613
| ML20195F613 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 05/14/1984 |
| From: | BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.) |
| To: | |
| Shared Package | |
| ML20195F283 | List:
|
| References | |
| FOIA-85-59 CP-CPM-6.9E, NUDOCS 8606120203 | |
| Download: ML20195F613 (48) | |
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/ PROCEDURE EFFECTIVE 1
/O l' BROWN R 0 , INC.
NUMBER REVISION DATE PAGE JOB 35-1195 C P-C PM-6. 9 E 7 1 of 27 05/14/84 -
l' TITLE: CRIGINATOR: ,N $hO M'> #"II L4 v DATE CP-CPM-6.9E -
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(APPENDIX E) REVIEWED BY: f's CS . b / <[ ' I' /U PIPE FABRICATION B&R QUAL.ITY ASSURANCE DATE AND INSTALLATION ..
REVIEWED BY: . d a n_ /c/ // - T-/ *"
CcN Sl ya TUGCC QUALITY ASSURANCE DATE M REVIEWED BY: [ d SR. PROJECT WELD!pt ^ ENGINEER 6 %:~f" DATE APPROVED BY:
ar- I/A"# ' '
CONSTRUCTION FROJECT MANAGER DATE _
0.1 TABLE OF CONTENTS ; j 2.0 GENERAL ENGINEERING USE ONLY 2.1 APPROVAL AUTHORITY 2.2 RESPONSIBILITY 3.0 PIPE FABRICATION AND INSTALLATION PROCEDURE 3.1 GENERAL 3.2 PIPING SYSTEMS REQUIRING THE RD10 VAL OF THE MANUFACTURERS' INTERIOR COATINGS 3.3 CONTROL OF PIPING MATERIALS IN THE PIPE FABRICATION 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 STRUCT I C 3.14 VALVE DISASSEMBLY / REASSEMBLY 3.15 MARKING '
3.16 INSULATION 3.17 PIPE HANGERS 3.18 PIPE CONNECTIONS TO BOTATING EQUIPMENT 0.11 LIST OF TABLES 6.9E-1 Length of Thread on Pipe J
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p J03 35-1195 COMANCHE PEAK STB;l ELECTRIC STATION Constructica Procedure 3
DOCUMENT CHANGE MOTICE NUMBER i
Notice applicable to Constructicr. ::rccedure No. 35-1195- CP-CPM 6.9E ,
. 7 .
This change will be incorporated in the next revisicn of the procedurc.
Change the procedure as felicws:
Please replace the following page with the attached:
Page 13 of 27 Reviewed by:
WY Project Weiding Engineer W f*2d'/
Gna sm r-r-aC:.ts t*er d772 Brown & Root Quality Assurer.c.
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'"3 Approved by: TUDC'O Quality; Assurance
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Construction Project P,anager ?'02NSf 0-Effective Date e
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JOB 35-1195 COMANCHE PEAK STEAM ELECTRIC STATION Construction Pro edure 2
DOCUMENT CHANGE NOTICE NUMBER Rev. 7 .
Notice applicable to Construction Procedure No. 35-1195- CP-CPM 6.9E This change will be incorporated in the next revision of the procedure.
Change the procedure as follows: .
Please replace the following page with the attached:
Page 23 of 27 Reviewed by:
E'# -w L ~b 9P' Date Project Welding Engineer f
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J,C g-f~-W Date
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Brown & Root Quality Assurance Date iginator Approved by:
k 2/d' TUGC0 Qu'$lity Assurance fSN' '0 ate 6/12/84
. t.c< // u d e ;/? Gls the) Effective Date o uction froject Ma~ nager Date m
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. JOB 35-1195 COMANCHE PEAX STICI ELECTRIC STATION Constructicn Procedure DOCUMENT CHANGE NOTICE NUMBER 1 Notice applicable to Construction Procedure No. 35-1195- CP-CPM 6.9E r.av. 7 .,
This change will be incorporated in the next revision of the procedura.
Change the procedure as follows:
Please replace the following page with the attached:
Page 21 of 27 Reviewed by:
$l$ k j? f-P W Froject Welding Cngineer Date
/ N2 f-f!-/W f4L i b ? ?Y b iginator -
Data Brown & Root Quality Assurc..00 Cr:2 (7 C '
6 Approved by: ~ TUGC0 Qiaality Assurance CEI3
/de de se 8.30 - b'Y 5/30/84 Effective Date Construction Project Manager Octs
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i i BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE
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< JOB 35-1195 i CP-CPM 6.9E 7 05/14/84 2 of 27 o.111 LIST OF FIGURES 6.9E-1 Buttweld End Pipe - Nuclear Pipe 6.9E-2 Buttweld Preps - Non-Nuclear i 6.9E-3 Determining Wall Thickness After Machining i 6.9E-4 Half Coupling Bevel Detail
- 6.9E-5 Pipe Bender Qualification Form 6.9E-6 Valve Spools 6.9E-7 Fabrication Tolerance 6.9E-8 Material Salvage Sheet 6.9E-9 Full penetration nozzle branch and piping connections 6.9E-10 Flushing / Hydro Flange Disassembly List
1.0 INTRODUCTION
This appendix to peocedure CPM-6.9 has been prepared to i delineate the requirements - for piping fabrication and installation at CPSES. Requirements for related activities such as welding are given in other appendices of i
Procedure CPM 6.9.
.I 2.0 GENERAL i
! 2.1 APPROVAL AUTHORITY The requirements for origination, review, and approval of this document shall be as stipulated in CPM' 6.1, 2.2 RESPONSIBILITY The Pipe Superintendent is responsible for a'ssuring conformance with the requirements of this appendix.
3.0 PIPE FABRICATION AND INSTALLATION PROCEDURE' 3.1 GENERAL All piping (except 2 inches and smaller BOP) fabrication /
installation shall be performed in accordance with drawings issued by the Mechanical Engineering Dept. When discrepancies are discovered by the Pipe Superintendent (PS) on these drawings or between these drawings and other documents ;
issued by G&H, W, etc., the PS shall request and obtain a resolution from Engineering before performing the af fected ,
work. ,
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l BROWN & ROOT, INC. PROCEDURE EFFECTIVE l
NUMBER REVISION DATE PAGE CPSES l
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 3 of 27 The PS may make a weld in the Pipe Fab Shop (PFS) which was designated a field weld on the fabrication drawing and the weld shall be treated as a shop weld. The spool number will not be changed, e.g., if field weld number 3 is between spools D and E, D and E will still be considered separate spools.
Piping, valves, etc . , supplied with equipment packages shall be installed per this procedure. Where vendor requirements differ from those given in this procedure, the more stringent requirements shall apply.
Piping for instrumentation bridles shall be welde'd and _
fabricated in accordance with FSI drawings issued by the Instrument and Control Engineering Department. Since instrument bridles do not utilize line numbers, the entire assembly will be considered as one spool piece and all welds '
will be denoted as field welds as shown on the drawings.
The Instrumentation Superintendent '(IS) is responsible fo r assuring conformance with the requirements of this appendix.
The use of teflon tape is prohibited for persanent pipe connections unless explictly allowed by approved design doc ume nt s.
The boundaries of a component to which piping is attached shall be at the limit of reinforcement. This boundary shall not be closer to the main shell of a vessel, pump, or valve tha n:
- a. the first welded circumferential joint: the weld shall be considered part of the piping.
- b. the first bolted . flange face; the bolts shall be
-- considered part of the piping. _
- c. the first threaded joint in screwed connections. .
In the case of a sa fety-related valve welded to non-sa fety_
related pipe, the weld shall meet the requirements of the non-sa fety related piping. In the event that the sa fety related valve is austenitic stainless steel, the connecting non-safety related weld shall also meet the requirements for the control of sensitization and delta ferrite . (MS-100, Section 4.1.5) .
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUM3ER REVISION DATE PAGE CPSES
,T l l 'n > JOB 35-1195 CP-CPM 6.9E 7 05/14/84 4 ng 77 After drilling piping, all bores shall be deburred and the inside diameter of the hole radiused to one-fourth of nominal wall thickness of the penetrating part or 3/4-inch, whichever is less (see Figure 6.9E-9).
I Except as permitted by MS-100, Section 7.1.10, stainless steel materials shall be handled in a manner to avoid contact with carbon steel materials. Carbon steel surfaces contacting stainless steel parts such as jacks, wo*k benches,
+ or rolls shall be faced with stainless steel, wood, rubber, tape, etc.
, Slings used to handle stainless steel items shall be made from nylon or stainless steel material or shall have adequate -
protection such as being covered with rubber or wood to prevent contact between carbon steel slings and stainless steel surfaces.
Those lif ts defined as critical by CCP-24 shall reqtire an Operation Traveler. At the option _of the cognizant engineer, Operation Travelers, may also be utilized for any ot 4er j rigging and lifting operations. Travelers shall be irepared
- and controlled in accordance with CPM-6.3. Where applicable.
rigging and lif ting of items shall be in accordance with the manufacturer's recommendations in-accordance with procedure CCP-24.
Double slings shall be used on horizo'ntal loads over 12 feet in length, when that load is composed of two or more joined pieces of material.
Tools used on stainless steel materials only shall be designated for such usage by color code marking wtth >
fluorescent orange - paint. Color-coded tools shall not be used to work carbon steel materials. If such toola are l inadvertently used on carbon steel, such tools shall have the orange color code removed.
Measuring devices such as rules, framing squares, protractors, i center markers, contour markers, levels, pocket. tapes, 50-ft
- tapes, plumb bobs, tri-squares, micrometers, etc. , which will
- not contaminate stainless steel materials need not be color
< coded for use with stainless steel and may be used interchangeably on stainless steel and carbon steel without intermittent decontamination or cleaning.
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l BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES- NUMBER REVISION DATE' PAGE p
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 5 og 97 Stainless steel covered fabrication tables, stands, etc.,
which have been used for fabrication of carbon steel items shall be decontaminated before reuse on stainless steel ,
items-by removing loose dirt, steel filings, etc., with a standard commercial dust brush, vacuum cleaner, rag, or other similar means; decontamination by solvent cleaning, shot-blasting, etc., is not required.
Weld end valves except diaphragm, control, and check valves shall be opened approximately 50% prior to welding. All diaphragm valves shall have the diaphragm removed before welding. Manufacturer's instruction shall be followed when
- they differ from this requirement.
Certain tools such as files, vises, hacksaw blades, drills, holesaws, etc. are made of carbon steel and will be used in working stainless steel materials. These tools shall not be i used interchangeably on carbon steel and stainless steel.
Those tools used for stainless steel shall be color-coded fluorescent orange.
No instruments, tools, etc. , containing mercury shall be brought in the vicinity of fabrication areas.
Pipe cutting shall be performed by machining, sawing, or cutting with iron-free aluminum oxide abrasive discs. Arc i cutting is allowed provided the surfaces are ground smooth :
after the cutting operation. When torch cutting carbon t steel, the caterial'shall be preheated to the same temperature used in qualifying the welding procedure which will' be used to weld the cut piece.
Interior and exterior surfaces within 2 inches from the field buttweld end preparation may receive one coat of Deoxaluminite paint on all CS pipe spools to prevent rusting during storage. Carbon steel socket weld ends, both fittings H and pipe, which have been cleaned for field : welding may be coated with Deoxaluminite paint.
3.2 PIPING SYSTEMS REQUIRING THE. REMOVAL OF THE MANUFACTURER'S INTERIOR C0ATINGS:
Carbon steel piping systems' listed below shall have all i interior manufacturer's coatings removed in the cleaning '
operation as noted .on 3&R fabrication drawings. All other carbon steel pipe spools are acceptable with the
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_ manufacturer's standard coating on the interior of the pipe and' fittings.
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE
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JOB 35-1195 CP-CPM 6.9E 7 05/14/84 6 cf '7 MS - Main Steam and Reheat AF - Auxiliary Feedwater FW - Steam Generator Feedwater HD - Feedwater Heater Drains CO - Condensate Diesel Generator Starting Air CP - Condensate Polishing AS - Auxiliary Steam SS - Secondary Sampling LO - Lube Oil SL - Steam Seal CL - Control Fluid SB - Steam Generator Blowdown and Clean Up GS - Gland Steam -
CF - Chemical Feed DO - Diesel Generator Fuel Oil Storage and Transfer DO - Diesel Generator Fuel Oil DO - Diesel Generator Lube Oil EX - Extraction Steam HG - Plant Gas H2 NG - Plant N2
. OG - Plant 02 TO - Turbine Oil Purification
- All Drains to Atmospheric Drain Tank and Main and Auxiliary Condensers The coating shcIl be removed by abrasive blasting or "Transpo" solvent at the discretion of the CS. The abrasive shall be 1635 mesh Chestex #3, or equal. Sand and dust shall be removed from the surface after blasting.
Machining bits may be used on both stainless steel and carbon steel provided they are decontaminated with solvent before machining stainless steel.
3.3 CONTROL OF PIPING MATERIALS IN THE PIPE FAB SHOP Loose fittings, pipe spools, valves, etc., may be stored in the PFS and PFS laydown yards at the discretion of the PS and in accordance with procedure MCP-10. ,
MRs used to release material in the PFS should be maintaine'd
- in a file in the shop.
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE
,,s CPSES i
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 7 of 27 Prior to cutting a piece of process bulk pipe, the heat number, ASTM /ASME type and grade, schedule / wall thickness, spool, and piece numbers shall be transferred such that each cut piece will have a correct legible identification.
The cognizant QC Inspector witnesses such marking transfer prior to cutting ("Q" material) upon request of the Craft General Superintendent.
Pipe, fittings, flanges, spools, etc., do not require end caps starting from when the material is moved into the PFS continuing through the fabrication process until the assembly is cleaned. End caps may be used at the discretion of the PS to maintain purges on weld joints in lieu of purge dams. .
If work is stopped on a partially fabricated pipa spool, the ends of the partially fabricated spools should be capped if the spool is stored outside the PFS.
3.3.1 Machining Pipe subassemblies, valves, aad equipment supplied to Brown & Root by ITT-Grinnell, Westinghouse, etc., will
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normally have weld end preps which meet the dimensional standards noted in MS-43B and MS-443. Engineering will resolve any dif ferences in the event items are received that do not meet the referenced dimensions and fit-up requirements can not be met. Brown & Root will not rework weld end preps provided to them by others that do not meet the dimensional requirements given above unless directed by the Owner / Engineer, provided fit-up tolerances are satisfied.
When weld ends are to be prepared by Brown and Root, the ends shall be prepared in accordance with Figures 1 and 2 and as required by the following:
- 1. ASME Code Class 1 and 2 buttwelded piping, where consumable inserts (except type K) or =achined backing rings are used, shall be counterbored to 2 times the pipe wall thickness (T) except on elbows and curved sections. In those cases, a k-inch ceaaierbore shall be used . Where necessary to avoid ence', aching on minimum wall, counterbore to a depth of T if less than 4 % inch thick.
a BROWN & ROOT, INC. PROCEDURE t EFFECTIVE KQHBER REVISION DATE PAGE CPSES i
I JOB 35-1195 CP-CPM 6.9E 7 05/14/84 8 of 27
- 2. ASME Code Class 1 and I buttwelded piping where open butt-welding or type K consumable inserts are used, does not require counterboring. When fit-up requirements per ASME III cannot be made, the ID of the scaller pipe shall be faired to at least a 4: 1 taper to achieve proper t.lignment. In no case shall the pipe minimum wall thickness be violated, t
- 3. For ASME Code Class 3 buttweld piping, counterboring is not necessary. When the fit-up requirements of ASME III cannot be made, taper to achieve proper alignment. In no case shall the pipe minimum wall thickness be violated.
- 4. For non-Q butt weld piping, counterboring is not necessary. When the fit-up requirements of ANSI B31.1 cannot be made, the ID of the smaller pipe shall be faired to at least a 4:1 taper to achieve proper alignment. In no case shall the pipe minimum wall thickness be violated.
- 5. Slight deviations may be approved by the PWE and Site Engineering.
3.3.2 Nuclear Pipe Piping shall be ground or machined when the alignment criteria cannot be obtained by the use of clamps or jacks and in accordance Appendix D, Section 3.10.
When counterboring is required, the cutting bits of the cachining tool used to end prep the piping should be set in the tool setting gauges. The wall thickness of the pipe should be measured with a calibrated micrometer before the machining tool is set up to ensure that the machining operation will not violate the minimum wall requirements.
Af ter the piping has been machined, the machined inside diameter of the pipe shall be measured by the craf tsman with the Co/No-Go gauges or other suitable means normally while
.< the mandrel of the machining . tool is still in place.
, s After counterboring, the craftsman shall:
- a. Check pipe in at least three places by using a calibrated micrometer at the counter bore to ensure that mini =um wall thickness has not'been violated.
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i BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE l
fs JOB 35-1195 !
CP-CPM 6.9E 7 05/14/84 9 of 27 the measurement is impractical due to the counterbore not being long enough, etc., then the wall thickness shall be determined by the method shown on Figure 6.9E-3.
- b. Check the transition angle to assure it is not greater than 30*. "
Minimum wall shall be considered 87h: of nominal wall or as specified in the pipe specification category or applicable drawing. Any pipe that will not meet the minimum wall requirement af ter it is counterbored shall be dispositioned in accordance with the requirements of MS-100 or MS-43B or MS-44B as outlined in Appendix D of this procedure.
A lubricant or machining coolant may be employed during machining operations provided it does not contaminate any crevices or areas which cannot be subsequently cleaned.
3.3.3 Non-Nuclear Pipe
, If the inside of fset cannot be maintained within the prescribed limits by use. of clamps or jacks, then the inside diameter of the joining piece (s) shall be ground or machined to the contour shown in Figure 6.9E-2 as required to obtain an acceptable fit-up without violating minimum wall.
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Alternate weld end details are subject to approval by engineering. (Note: Figure 6.9E-2, page 4 of 4 also applies to ASME Class 3 piping.)
The last three paragraphs of Section 3.3.2 are applicable for non-nuclear pipe also.
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- 3.3.4 Other Machining i No machining shall be accomplished on valves or other
[. equipment without prior authorization from Site Engineering.
3.3.5 In-Place Machining 1
Piping buttweld ends which require rework in the field shall
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meet the fit-up requirements for MS-100. Machining shall be performed only as required to meet fit-up requirements.
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE
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JOB 35-1195 CP-CPM 6.9E 7 05/14/84 10 of 27 3.3.6 Branch Connections Where half-couplings are used as branch connections or instrument bosses for velding onto the pipe runs, the attachment end shall be properly machine beveled to permit a full penetration weld (see Figure 6.9E-4) .
3.3.7 Minimum Wall violations Violatiens to minimum wall thickness shall be evaluated as per Appendix D of this procedure.
3.4 PIPE BENDER QUALIFICATION Diameters and thicknesses other than those qualified shall be qualified by the Piping Superintendent prior to bending.
The Site QA Manager and the ANI shall be notified before the qualification process. Results of the qualifiction shall be documented by the Site QA Manager on the Pipe Bender Qualification Form (Figure 6.9E-5) . The qualification results shall be reviewed and approved by the Senior Staf f Engineer signing the Qualification Form.
Bender shoes may be .used for both stainless steel and carbon steel interchangeably without intermittent decontamination on "Q" and Non "Q" pipe bends.
A section of each different diameter, schedule, and material type shall be tested using the following procedure:
- 1. Each section of pipe shall be bent to a 90' bend and cut into four sections.
- 2. Each section shall be measured for reduction in wall thickness and ovality. A change in ovality shall be determined by measuring the maximum and minimum diameters.
- 3. Change in wall thickness shall be determined by measureing the minimum wall before and after the bending operation. Change in ovality of 8% or less and a reduction of wall thickness that does not violate minimuu wall thickness will be acceptable. (See Figure 6.9E-5).
BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE i
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 11 of 27 Once a pipe bender has been qualified and found acceptable, it will require no further qualification.
The qualification form (Figure 6.9E-5), af ter approval, shall be forwarded to the Parmanent Plant Records Vault.
3.4.1 Cold Bending Pipe The craf tsman performing the bending operation shall measure the wall thickness of the pipe at the end nearest the bend.
- The wall thickness shall be measured using a calibrated micrometer, and the dimension recorded on the MRS by the craftsman. The minimum allowable wall thickness of the pipe end prior to the bending operation shall be 1.06 times the minimum wall thickness for 6D bends and 1.08 times for 5D bends.
Af ter the wall thickness has been verified, the craf tsman shall bend the pipe to the required angle using the instructions provided by the manufacturer of the bending machine being used.
The minimum allowable shoe radius for pipe bending covered by the scope of this procedure is shown below:
NOMINAL ANSI SCHEDULE OR SIZE RANGE WALL THICKNESS BEND RADIUS k" thru 2" 40, 40S 6D k" thru 2" 80, 80S, 120, 140 SD and 160 and heavier non-standard wall NOTE: Pipe bend radii, measured from the center of curvature to the center of the pipe cross-sectional area, is a funtion of the nominal pipe size (D) and the wall thickness shown in the above tabulation.
After the pipe bend is complete, the craftsman shall visually inspect it for wrinkles, any flat spots, cracks, etc. If
, any defects are found, Engineering shall be advised by the
- responsible CS.
Pipe bends may be substituted for fittings in accordance with MS-43-B and MS-100.
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- BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 CP-CPM 6.9E 7 05/14/84 17 nr 97 3.5 REQUIREMENTS FOR PIPE JOINTS The thread sealant used on screwed joints shall be CRAPHOIL tape with adhesive backing. Thread sealant shall not be used on joints which are to be subsequently seal welded.
When screwed joints are to be seal welded, the exposed thread shall be completely covered with weld mctal.
Tapered threads in pipe shall be of the proper length and depth to ensure pressure-tight joint without and excessive length of male thread showing outside of the fitting. See Table 6.9E-I for proper length. All cut and threaded ends shall be teamed and free of burrs and obstructions.
QC shall be notified prior to the making of screw joints.
Inspection of these joints shall be documented in accordance with the applicable QA procedures.
3.5.2 Flanged Joints Flange faces shall be thoroughly cleaned, as required, to remove excessive rust, scale, dirt, old paint, etc. Flange faces on equipment and piping systems such as the Circulating Water System, Service Water System, and Chlorine System will have the internal lining.on the flange face as required by the applicable coating procedure.
Stud, nut, and gasket materials shall be in accordance with that shown on the installation drawings. The stud length may vary from that shown on the drawing (depending on availability), provided that at least one thread protrudes above the face of the nut. Uniform stud length should be maintained, and excessive bolt length past the nut face should .be avoided.
When the pipe is to connect to a flange on the equipment the face of the flanges should.be aligned to within the lessor of:
(1) 25% of the gasket thickness (2) 3/64 of an inch gli "O
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BROWN & ROCI, INC. PROCEDURE EFFECTIVE REVISION DATE PACE CPSES NUMBER JOB 35-1195 CP-CPM 6.9E 7 5/14/84 13 o f 2 7 3.5.2.1 Breaking of Flanged Joints When it becomes necessary to break an inspected flanged joint for any reason, QA/QC Building Superintendent shall be notified by the responsible craft foreman. This notification will be by the foreman completing the Flange Disassembly List (Figure 6.9E-10) .
Copies of the fann shall be submitted to the QA/QC Building i
Superintende nt prior to beginning the disassembly, and a final listing shall be submitted after the reassembly is completed.
The bolting materials removed from the joint shall be reused in t he same joint . If replacement of botting materials are required, an Operation Traveler identified as "For material replacement only"
- shall be used, and the replacement material issued, installed, and __
verified the same as for the original materials.
NOTE: IRN's or travelers are not required far disassembly / reassembly activities except as specified above.
After a system has reached N-5 certification status, flange s s ,
may only be disassembled as authorized by SAP-6. This authorisation shall be documented by a SWP or a SWA, and the disassembly /
reassembly documented on a traveler.
1 3. 5.3 Expansion Joints The piping and/or equipment connected to the expansion joint shall be aligned to within the tolerances given by the expansion joint manufacturer.
l Expansion joints received with factory-set sizing bars shall be erected and bolted or welded in position prior to removing the sizing bars.
Af ter expansion joint installation the permanent piping supports, anchors, and guides sht11 be completed to the extent t ha t distortion of the expansion joint during completion of the remaining work on the system does not occur.
If the permanent support, anchors, and guides are not i
available, then temporary supports shall be installed to safely handle loads af fecting the expansion joints.
Expansion joints not furnished with insulation covers shall be protected with temporary C'eet metal covers until all weldicg and burning in the area are completed. The cover shall provide e minimum of 1 inch clearance beyond the outside 1 of the bellces.
The temporary sizing bars should be removed prior to- hydro-static testirg unless otherwise instructed by the manufacturer.
DCN #3 07/16/84 Sheeg 2 of 2 CP-CPM 6.9E REV. 7
BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE CPSES
/'- l JOB 35-1195 CP-CPM 6.9E 7 05/14/84 14 of 27 3.6 PENETRATION THROUGH WALLS AND SLABS Sleeves shall be placed around the pipe where it penetrates floors and walls as called for on the G&H composite and/or structural drawings. Sleeves through blockouts shall be concentrically positioned around the pipe, by wooden chocks, unless shown otherwise on the drawings. When sleeves are installed in blockouts, their centerlines shall be within k inch of the piping centerlines. Piping and sleeves shall be parallel within 1/16 inch of the pipe sleeve.
3.7 VALVES Valve stem orientation will normally be shown on the installation isometric. However, in some cases this may be impractical; therefore, prior to welding or bolting any valve in the system, stem orientation shall be checked against the G&H composite drawing by the PS. Where reorientation is required to avoid interferences, valve operators .may be rotated in accordance with Site Engineering and manufacturer's instructions. On motor-operated valves, the operator should be oriented such that the limit switch compartment is not below the gear box.
Unless otherwise noted on the installation drawing or valve body, globe valves shall be installed such that the flow enters the valve beneath the valve seat and exits above the valve seat.
When it becomes necessary as determined by the PS to install pipe spools adjacent to valves which are not available for ins talla tion, temporary spools may be installed in place of the missing valves (see Figure 6.9E-6 fcr typical valve spool configurations). Welding operations on temporary valve spool installations on "Q" lines will be inspected by the B&R Welding Engineering Department.
3.8 TEMPORARY STRAINERS l
Temporary strainers shall be installed as called for on the installation drawings. The strainers will remain in place until flushing is complete. The strainers shall not be removed af ter system turnover without a directive from IUGCO.
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i l PROCEDURE ' EFFECTIVE .
BROWN & ROOT, INC. NUMBER REVISION DATE .
PAGE CPSES JOB 35-1195 CP-CPM 6.9E ,
7 , 05/14/84 i 15 of 27 3.9 BURIED PIPING 3.9.1 Buried in Soil Stainless steel piping buried in soil needs no outside i
protective coating unless required by the installation drawings.
Carbon steel piping buried in soil shall be coated and wrapped as required by Procedures PFP-1 and 5 as applicable. External surfaces shall not be coated until pressure testing is complete.
Other pipe materials buried in soil shall be coated as required by the installation drawings.
Prior to backfilling the trench, the piping shall be checked for line and grade, and shall be holiday tested and pressure tested.
Under no circumstances shall pipe be laid in water and no pipe shall be laid when the trench conditions are unsuitable for such work. Standing wa ter that may have entered the trench shall be removed prior to removing the pipe end cap (s) .
'4henever pipe laying is discontinued, the open end of the line shall be sealed with a watertight closure.
Unless otherwise approved by Engineering, the buried piping
- locations shall be maintained within the following tolerances from the design locations:
- 1. Other than @ termini Maximum incremental deviation 1/16" per foot j Centerline departure - t 2" Lateral Alignment - t 2"
- 2. At termini the tolerance shall be:
End cut or flange elevation - t h" Lateral Alignment - t h" Longitudinal Alignment - 1 Constraints: Low or high points that would hinder '.
drainage or venting are not permitted. Minimum slope requirements as shown on drawings shall be observed.
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PROCEDURE f ! EFFECTIVE BROWN & ROOT, INC. NUMBER I REVISION ; DATE : PAGE
.m CPSES JOB 35-1195 ,
16 of 27 C P-C PM 6.9 E 7
, 05/14/84 i In the event that these tolerances are exceeded, as-built dimensions shall be taken by the B&R Field Engineering Department and submitted to Engineering for approval prior to backfilling. Piping which has a protective coating shall be handled with nylon chokers or steel chokers with rubber softeners where they contact the pipe coating.
During backfill of trenches W. H. Brady Company "Identoline" tape or equal, shall be placed approximately 18 inches above the top of the installed underground metal piping by the Excavation Department personnel. Metalized tape shall be placed above non-metallic piping. The colors shall be as follows:
Gas Line - Orange ~
Water Lines - Blue Sewer & Drainage Line - Red Oil Lines - Green The non-welded joints of all buried metallic piping shall be bonded across to provide electrical continuity to adjacent pipe sections. This work shall be perfor=ed by the Electrical Department personnel in accordance with their procedures.
3.9.2 Pipe Encased in Concrete Pipe buried in concrete needs no protective coatings unless specifically called for on .the installation drawings. Coating inadvertently applied to carbon steel piping exteriors do not require removal when installed in concrete.
All piping shall be supported as follows:
4" diameter and smaller - support on approximate 10 foot intervals.
6" thru 10" diameter - support on approximate 15 foot intervals.
12" and larger - support *on approximate 20 foot intervals.
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE g
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 17 of 27 I The supports shall secure the piping so as to prevent move-ment in the horizontal and vertical downward directions but also in the vertical upward direction to of fset the buoyant forces of the concrete.
The supports may be constructed of reinforcing steel, structural steel and/or standard pipe hanger components.
d There shall be no welding of the pipe to structural rebar.
I j Prior to placement of the concrete, the piping shall be j checked for line and grade by the B&R Field Engineering
- Department personnel and shall be pressure tested.
i
! Mechanical joints of piping embedded in concrete do not ,
j require electrical bonding.
3.10 FABRICATION TOLERANCES Af ter fabrication, all completed assemblies shall be measured i for dimensional accuracy by the Pipe Department craftsman 4
and verified by the 1C Inspector for "Q" spool dimensional
['. accuracy checks. *ha tolerances shall normally be in V accordance with Figume 6.9E-7. Where deviations greater than
{ those allowed by Figure 6.9E-7, the spool piece shall be reworked until it is within accepta' ole tolerances. If the j tolerances cannot be met, the PS shall request a design change from Engineering. I
! When spools are joined with other spools, valves, in-line '
- components, etc. in the PFS, the tolerance on the completed f assembly shall be in accordance with the cumulative tolerance on each individual item, e.g. spool A, tolerance i 1/8" joined i to spool B, tolerance 2 1/8"; total tolerance on assembly A-B j is 2 1/4".
L If an acceptable tolerance is unobtainable due to dimensional 4 discrepancies in components supplied to B&R by others, Engin-eering shall be notified prior to any rework.
1 j 3.11 TORQUING
! The threads on bolts and nuts shall be clean and free of dirt ,
i and grit.
1 l Tighten bolts diametrically opposing each other so there is i a uniform bearing surface around the joint.
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BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE
,- CPSES i
i JOB 35-1195 CP-CPM 6.9E 7 05/14/84 g ,, ,7 All bolts shall be engaged so that there is a minimum of one full thread through the not or threaded attachment. If it is not possible to visibly check the thread engagement, the 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 sufficiently to prevent leakage during pressure testing.
Flanged connections on in-line equipment (valve bonnets, e tc.)
shall be tightened in accordance with the manufacturer's instructions. Where vendor manuals, drawings, or instructions are not available, the PS shall request instructions from Engineering.
"Q" flanged pipe joints shall be documen*ad as required by CPM-6.3.
3.12 PIPING DESIGN LOCATION Verification of alignment shall be made at the tir- fit-up (m (flanged connections or weld joints) .
('
The piping shall be located to the dimensions shown on the B&R installation drawings. Erection tolerances shall be as 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 velding operations.
Final connections to equipment and valve flanges or nozzles shall be accomplished by adjustment of the piping and supports to provide accurate alignment at these joints without stressing of the pipe, equipment, or valves. Springing, bending, or localized heating to obtain alignment shall not be done without approval of Engineering. Weld joint alignment, temporary attachment lugs, straps, etc. used for weld fit-up and alignment shall be in accordance with Appendix 6.90.
Once the piping has been brought into position, the piping location shall be checked against the installation drawing for conformity by the craftsman. Piping out of design location shall be adjusted until it is as close to its design location as possible. When it cannot be brought to within tolerances given in paragraph 3.12.1 without bending of the piping, cold spring, or localized heating, the PS shall notify Engineering for resolution.
PROCEDURE ! EFFECTIVE BROWN & ROOT, INC. NUMBER REVISION DATE PAGE CPSES t .
JOB 35-1195 CP-CPM 6.9 E 7 19 f 27 l :05/14/84 :
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 pe rmit ted .
3.12.1 Erection Tolerances Piping shall be installed within the following tolerances:
- a. Gradient - 1/16" per foot maximum (vertical and horizontal)
- 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 pe rmitted:
- 1. Unit 1 and Common buildings - t2 inches
- 2. Unit 2 Reactor Containment, Safeguard, Turbine buildings and Unit 2 yard piping - t inch.
- d. Clearances - A minimum of two-inches of clearance 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 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.
When subassembly modification results, documentation for such modification shall be prepared as required by Appendix 6.9G and the modification accomplished accordingly.
A " Return to Warehouse" form shall be used when items are re turned to the warehouse, and a ecpy 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. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE
<s a
' I JOB 35-1195 CP-CPM 6.9E 7 05/14/84 20 of 27 Items may be salvaged and/or returned to bulk stock. The craftsman shall verify that the appropriate identification markings, including material specification, rating or schedule, grade, and heat or code number, are present prior to the cutting of the materials. The materials shall then be color coded in accordance with Appendix 6.9C.
i 3.13.1 Items to be salvaged or returned to bulk stock shall be treated as follows:
a 3.13.1.1 Carbon Steel Pipe and Fittings t Carbon steel pipe and fittings may be salvaged or returned to bulk stock without QC verification. If welds are salvaged, H they shall be listed on the Piping and Structural Salvage Sheet (PSSS, Figure 6.9E-8) and shall retain their original identification. The new identification shall be cross-referenced on the PSSS, and a copy attached to the new documentation.
3.13.1.2 Stainless Steel Pipe A PSSS shall be completed by the Pipe Department fo r stainless pipe that has been welded and is to be returned to bulk stock. The salvage form shall define what welds are being removed and shall provide for the removal of the heat af fected zone of the pipe prior to return to bulk stock.
The heat affected zone shall be considered as two inches in each direction from the toe of the weld. QC shall be notified prior to cutting the welds to verify the heat 4
affected zone removal. Stainless steel pipe without welds may be returned to bulk stock as discussed in paragraph 3.13.1.1 without salvage forms, and material identification and color coding shall be maintained.
3.13.1.3 Stainless Steel Fittings A PSSS shall be prepared by the Pipe Department for the salvaging of stainless steel fittings which have been welded.
It is preferable not to cut welds to fittings, but to cut the pipe approximately one pipe diameter from the toe of the weld. Formed fittings which have been welded shall not be returned to bulk stock.
Traceability to the completed welds shall be maintained through the original isometric and weld numbers.
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.m BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE I, :
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 21 o f 2 7 !
When welds must be cut and the fitting reused, the salvage
- . form shall provide for an evaluation of the fitting's weld history by Welding . Engineering. "New" welds made to the fittirs shall be treated as repairs and shall comply with i the requirements of Appendix 6.9D, paragraph 3.19.2.3.
Restrictions on reuse of the fittings shall be described in item 5 of the PSSS by Welding Engineering. A copy of the 6 PSSS shall become part of the new documentation package.
3.14 VALVE DISASSEMBLY / REASSEMBLY The Mechanical Superintendent (MS) shall document the ;
disassembly of all valves, in accordance with procedure CPM-9.18.
i 3.15 MARKING
! Pressure boundary parts shall be marked using the following techniques except as stated below:
f' MATERIAL NOMINAL MARKING
' TYPE OD MARKING TH ICKNESS TECHNIOUE 4 < Spool Number . k" and greater S/V Weld Number k" and greater S/V Radiography Bench Marks k" and greater S/V Flow Direction k" and greater S/V Spool Number Imss than k" V
,' Weld Number I4ss than k" V 1
Radiography Bench Marks le ss tha n k" V i:.. Flow Direction Imss than k" V i Piece Number All M/V Heat Number All M/V ASTM / ASME No. and Sched. All M/V
- In-Service inspection All S
+
NOTE: Care should be used when marking short piece s - o f pipe to ensure the markings are not inadve r te ntly' l} . removed during the cleaning / fabrication process - .,
- , prior to being recorded on the weld documentation. l l4 f
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CP-CPM 6.9E Rev. 7 DCN #1 5/30/84 Sheet 2 of 2 i
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l-BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE l f_
( JOB 35-1195 CP-CPM 6.9E 7 22 of 27 05/14/84
+
- Marking Techniques 3
- Steel Die Stamp V - Vibro-Tool M - Nissen Ink Marker or Marsh Marker
- Piping of the following categories and sizes shall be marked by vibrating marking tools instead of die stamp. ,
I CATEGORY SIZE 601 12" 1 601 G 6" and 16" 4 1501 C 16" i 2501 G 4"
~
The marking will be verified by the QC Inspector for "Q"
. piping. Pipe shall be marked by the craftsman prior to cutting for fabrication as follows:
i
- 1. "Q" Pipe Heat number, piece number, spool number, ASME Srade number and schedule, j
() 2. "Non-Q" Process Pipe - Piece number, spool number, color code or ASTM /ASME spec. and grade.
- 3. Plumbing Pipe - Piece number, spool number.
In-line components will normally have a unique number. If
! this number is not on the component, the item shall be
- identified with the unique number by marking with a Nissen
'* Ink or Marsh Marker or by tagging.
In-line components which require a specific orientation (check valves, filters, etc.) should have the flow direction indicated on their exterior with a Nissen Ink Marker or Marsh Marker or the manufacturer's standard methods.
3.15.1 Limitations on Markir.g Methods Electric arc marking pencils shall not be used for any marking applications.
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BROWN & ROOT, INC. EFFECTIVE l' g p CPSES PROCEDURE NUMBER REVISION DATE PAGE i.
JOB 35-1195 CP-CPM 6.9E 7 23 o f 2 7
- ! 05/14/94 3.15.2 Marking Techniques
- Die-stamping shall be done with a round-nose die stamp.
Characters used shall have filleted corners. The impre ssions
- i. produced shall not exceed a depth of 1/32 inch and shall have rounded bottoms with a radius not less than 0.0025 inch.
Vibro-tool marking shall be done with a tool fitted with a carbide markirg point which has a minimuu point radius o f
.005 inch. The impressions shall not exceed 0.010 inch.
Marsh metal markers shall be' those having either T-21 or 1 T-20 ink only.
s-All markers, die stamps, vibro-tools, etc. may be used f interchangeably on carbon steel and stainless steel without 0
being intermittently decontaminated.
l- 3.15.3 Marking Requirements '
i Each spool shall be identified where practical by a name tag
- attached by banding and in addition in all cases by marking the spool number into the spool approximately 4 inches from 1 the upstream field weld end.
h The last digit (s) of each weld number- shall he marked by the cra ftsman adjacent to the weld, not nally 2 inches from the weld on the downstream side e.g., weld number CW-1-RB-32-3 l-L will have the nunber 3 marked adjacent to the veld, t-The radiography technician shall place the required radiography bench marks on the pipe.
Each spool shall. have flow arrows marked by the craftsman into the inlet and one of the outlet ends. The flow arrow should be placed approximately 4 inches from the end of the spool. The correct flow direction will be shown on the fabrication drawing.
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--] l BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE CPSES
,_, 9 l 1 l
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 24 of 27 Welds which require volumetric-type inservice inspections shall be stamped by the craftsman prior to completing the root pass. The fabrication drawing will indicate those welds requiring inservice inspection. The welds shall be :
marked in accordance with FSM-00106 and the following:
- 1. The mark shall be a center punched mark centered in a 1/4 inch letter "0". A 1/4 inch arrow shall be located adjacent to the mark pointing toward the veld.
- 2. The center of the weld shall be located by a standard 4 inch offset dimension. Where the 4 inch dimension cannot be used due to the configuration of the piping, an alternate dimension greater than twice the pipe wall .
thickness may be used. The alternate dimension must be stamped adjacent to the center punch mark and arrow.
The location of the center punch mark shall not vary from the standard 4 inch dimension or from the alternate dimension by more than !.010".
Inservice inspection marking is required for
~
NOTE:
( )
-- Class 1 piping greater than 1" nominal pipe size, Class 2 piping greater than 4" nominal pipe size and is not required for containment spray piping or any other welds exempted by Engineering.
3.15.4 Temporary Marking Paint, ink, tape, or tags may be used for temporary markings provided the requirements of the specifications are met.
Temporary marking materials shall be removed from the material surfaces prior to any heat treatment or assembly which render the markings inaccessible and at locations that interfere with the acceptance inspection. Marking materials may be removed by using water, white keroscoe, or Stoddard solvent followed by an acetone or alcohol rinse.
For austenitic stainless steel, a final rinse with demineralized water is required.
.'techanical markings may be used for temporary marking provided the following criteria are met:
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! BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE CPSES
\ JOB 35-1195 CP-CPM 6.9E 7 05/14/84 25 of 27
- 1. Temporary mechanical marking need not be removed provided that the requirements for impressions delineated above are met.
- 2. If the requirements for temporary markings in the above paragraph are not met, the mechanical markings shall be removed prior to acceptance inspection by grinding, machining, or wire brushing and shall blend smoothly into the surface contour without violating the minimum wall thickness requirement.
- 3. Ground-out areas, resulting from the removal of temporary markings, shall be inspected by the same ,
surface inspection method and to the same acceptance .
' standards as previously used to accept the base material, j 3.16 INSULATION Piping and equipment insulation shall he installed in accordance with Specification MS-30.
If, in the opinion of the Insulation Superintendent or
{'T Engineering, more explicit information is needed to insulate a specific item, the additional requirements will be
~
i delineated in accordance with Procedure CPM-6.3.
Prior to insulation of ASME-related items, a written release shall be obtained from the Site QA Manager. Non-ASME-related piping may be insulated af ter TUGC0 QA's acceptance of the pressure test and signature of the pressure test record.
3.17 PIPE HANGERS Piping should be erected in its permanent hangers. If the permanent hangers are not installed, temporary hangers may be used. Piping may be temporarily supported from other piping provided adequate precautions are taken to prevent damage to the supporting pipe. Piping shall not be supported by valves, pumps, or other equipment, and care shall be taken to ensure that -pipe attaching to these items is adequately supported.
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t, I BROWN & ROOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE
,._x CPSES I
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 26 of 27 i Unattended pipe attached to equipment will not be temporarily supported by items which are readily removable, such as
> lumber, Jack stands, chain falls, etc. Such piping shall be securely supported with hard supports which are rigidly l attached to the pipe, such as a structural support secured I to the pipe with all-thread rod, a pipe clamp suspended by
- rod, clamped-lashing, etc.
To ensure proper alignment, piping should be run toward equipment instead of from equipment. Care shall be taken not to cold spring piping when connecting to equipment.
s When piping is connected to equipment, a minimum of two temporary or permanent supports shall be provided; when two supports cannot be provided, written direction from Site j
Engineering describing the deviation shall be obtained.
3.18 PIPE CONNECTIONS TO ROTATING EQUIPMENT I'
i To ensure proper alignment, suction and discharge piping
- i. should be run toward rotating equipment instead of from equipment. The connections of suction and discharge piping 3 ( ') to the equipment should be after sufficient piping and
!- suf ficient permanent hangers have been installed which would prevent the movement of pipe at the equipment when additional.
piping was added to the system.
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[ Permanent hangers and supports shall be instal,1,ed and adjusted to the cold position as indicated on the drawings prior to suction and discharge connections being made to rotating equipment. When permanent supports cannot be installed, temporary hard supports may be' used with written approval from Engineering.
3.18.1 Rotating Equipment Fit-up ,
Fit-up of pipe to equipment shall .be accomplished .by -
, adjusting the pipe and supports to provide accurate tlignment without stressing the pipe or the equipment.
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m BROWN & ROOT, INC. PROCEDURE EFFECTIVE CPSES NUMBER REVISION DATE PAGE
!: m JOB 35-1195 CP-CPM 6.9E 7 27 of 27 05/14/84 i- The rotating equipment coupling alignment is to be monitored during the suction and discharge fit-up and weld out (or bolt up) to ensure that the equipment is not being moved and that the coupling alignment is maintained within the desired limits.
If temporary supports were used as permitted above, and the suction and discharge was connected to the equipment, special care shall be exercised when removing the temporary supports. The Millwright Department shall be notified so that they may c:enitor the coupling alignment from the time the temporary support removal begins until the permanent support installation is complete. ,
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~ !'
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PROCEDURE EFFECTIVE i BROWN & ROOT, INC REVISION DATE PAGE CPSES NUMBER
.m i r
JOB 35-1195
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CP-CPM 6.9E 7 05/14/84 2 of 2 FIGURE 6.9E-1 BUTTWELD PREPARATION - NUCLEAR PIPE
- y. g . l FOR WRLL THICKh'E5125(r)~N TC Q, II,lCLUSW" ,
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- 4cN0s 3 0fs NOTE 1
- For elbows and curved segments,' the
'd /0 .agJ counterbore depth shall be 1/4" minimum; for straight pipe, the counterbore Spa 5 /2.052 depth shall be 2T for ASME Code classes dos // si 1 and 2, and 1/4" minimum for ASME Code class 3 piping.
50 /t5a5-I JTO 1 !:2 '
14 40 p.L:1?
80 ; /T 44 i 13 370 /S202 si es.f j 40 f ie 370 173cr TOLERANCE +.010" j -- 40 /J.975
- go 370 193c2 .040"
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PROCEDURE EFFECTIVE BROWN & ROOT, INC REVISION DATE CPSES NUMBER lPAGE A I JOB 35-1195 CP-CPM 6.9E 7 05/14/84 I of 4 FIGURE 6.9E-2 BUTTWELD PREPS - Non-Nuclear
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80/80$ 7.709 120 1.325 l l
10 40/405 10.070
' 803 9.834 80 9.669 12 573/405 12.052 40 11.998 g
xs it.s34 ** TOLERANCE + 0.010" 80 11.5C5 l
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- 0.040" l 14 sTo 13.30,2 n.1 2 40 I$ 13.054 l
80 12.646 l
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ISSUE DATE PAGE C'
BROWN & ROOT, INC.-
CPSES NUMBER REVISION i
i JOB 35-1195 CP-CPM 6.9El7 ,
05/14/84 2 of 4 FIGURE 6.9E-2 BUTTWELD PREPS - Non-Nuclear
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PROCEDURE EFFECTIVE i BROWN & ROOT, INC NUMBER REVISION DATE ',PAGE CPSES t
' '"' JOB 35-1195 CP-CPM 6.9E 7 05/14/84 3 of 4 FIGURE 6.9E-2 BUTTWELD PREPS - Non-Nuclear 10'!1* ,
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<~' EROWN & ROOT, INC.- NUMBER REVISION DATE PAGE 3
CPSE5 .
1 .
i JOB 35-1195 CP-CPM 6.9El 7 05/14/84 4 of 4 FIGURE 6.9E-2 BUTTWELD PREPS - Non-Nuclear 3.'C TE :
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'- ISSUE i i BROWN & ROOT, INC.. NUMBER REVISION DATE PAGE CPSES l
JOB 35-1195 .
l, 7 1 of 1 CP-CFM 6.9E 05/14/84 FIGURE 6.9E-3 DETERMINING WALL THICKNESS AFTER MACHINING 2 TRAL'GH7" &23&
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BROWN & ROOT, INC.- NUMBER REVISION DATE PAGE
,j CPSES i
JOB 35-1195 7 CP-CPM 6.9E 05/14/84 1 of 1 FIGURE 6.9E-4
- HALF COUPLING BEVEL DETAIL r.caer w'w e c2 -_ .
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- ISSUE SROWN & ROOT, INC.- NUMBER REVISION CATE PAGE
(..',
' JOB 35-1195 7 CP-CPM 6.9E )5/14/84 1 of 1 FIGURE 6.9E-5 PIPE BENDER QUALIFICATION FORM ._
~
i BENDER SHOE NO. .
SIZE SCH.
PIPE MAT'l AVG. DIA. BEFORE BEND l
2 3 4 5 6 7 8 CUT NO. 1 MAX. DIA. IN. AFTER BEND MIN. DIA. IN. AFTER SEN3 OIFF. IN.
% DIFF.
MIN. WALL THICKNESS BEFORE BEN 0!NG MIN. WALL THICKNESS AFTER BENDING DOES CUT VIOLATE MIN. WALL
% Ovality = (DIA. MAX. - DIA. MIN.) (AFTER BEND)
AVG. DIA. (BEFORE BEh0)
Performed by Date 4
Date QA Witness .
ANI Witness Date Eng. Approval Date Measuring ard Test EqutPment Calibration Dates 1
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BROWN & ROOT, INC.. NUMBER REVISION E PAGE CPSES JOB 35-1195 I
CP-CPM 6.9E ! . 05/14/S4 1 of 3 FIGURE 6.9E-6 22.v?..;asn3 s I - ~~
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NOTES: 1 - Spacer spool shall be of material.which is compatible for welding to permanent material and shall be desig-nated by Welding Engineering on the Weld Data Card.
2 - This configuration shall be used for both carbon and stainless steel .
3 - Tape joint af ter tack welding.
ISSUE !
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BROWN & ROOT, INC,.
CPSES NUMBER REVISION DATE l'
PAGE 1
JOB 35-1195 CP-CPM 6.9E t 7 05/14/84 2 of 3 FIGURE 6.9E-6
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- ~* S t THt,, w!,is FLJ5Nt n *, Anor t.c.t.clH-ORATIN
- 4. r-t USED Wlfil 4" fill t AL'ik ' !! C hulls
- GM **si T t F, tros. 5 6.y si " v/O E ^* / %I t. A U '.T r t,
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- Fa* PLATtj A s56 STttt., CUT AtlO EMRED to MAf CH Furi" C
- " ALKEt, CoMFAT/ttF. warH ADJACEttT Part Furi flCTES il t MIS CaHtt4UR Afic4 to et USCD .vetM ts*At40 lAA* CH FiaC F8'JH S
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ISSUE
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BROWN & ROOT, INC.-
CPSES NUMBER REVISION DATE PAGE l
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 3 of 3 FIGURE 6.9E-6 VALVE SPOOLS
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A* @ PlPE SLEEVE 4' e teUT w)____"_____________.'
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- ISSUE BROWN & ROOT, INC.- NUMBER RE'!!SION DATE PAGE j
CPSES .
JOB 35-1195 CP-CPM 6.9E 7 05/14/84 1 of 2 FIGURE 6.9E-7 FA3PICATICN TCLEGANC[
1.0 SCOPE 1.1 This standard covers general pice shop fabricating tolerances 'cr pr fabricated piping assemblies. .
2.0 LtNEAR TCLEPAMCES 2.1 The tolerances en linear dirensions (interrediate or overall) acply to the fate to face, face to end, and end reasureaents of
- fabricated straighe pipe thd headers; center to end or center to face of nozzles or otner attachrents; or center to face of tends; as illustrated cn rigure 1. These tolerances are not accurulative.
2.2 Linear tclerances on "A" are : 1/8" for sizes 10" and under and e 3/16* for sizes 12" th.*cugh.36'.
Linear tolerances on *A*
for sizes over 36" are sdject to toler-2.3 ances of e 3/16", plus ce minus 1/32" for each 12" in diareter over 36".
2.a Oue to the c'eulative effects of tolerances on fittings or flanges, vien joined without intervening pipe sece-ents deviations in excest of those specified in paragraphs 2.2 and 2.3 ray occur.
3.0 ANClit.ARITY AND 00TAf tC'l TO(!'ANCES 3.1 Angularity toleracco scross the fsce of flanges ano weld end pre.
pration and on rotatien of flanges are as stated en Figure 1.
J.0 CLO!ER TOLERANCES a.' When closer tolerances than those given in paragrachs 2.2, 2.3 and 2.a are ' absolutely recessary, tFey sn411 te subject to acree.
ment between the Purchasee and Faericator.
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ISSUE i SROWN & ROOT, INC.- NUMBER REVISION DATE PAGE i CPSES JOB 35-1195 CP-CPM 6.9E 7 05/14/84 2 of 2 FIGURE 6.9E-7 FABRICATION T(fLUXhCE f .
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ISSUE BROWN & ROOT, INC.. REVISION DATE PAGE (c)
NUMBER CPSES .
JOB 35-1195 7 05/14/84 i CP-CPM 6.9E i of 1 FIGURE 6.9E-8 4
Piping and Structural Salvage Sheet i
[nitiated 3y:
Cate:
- 1. Carrent iten identification nurber.
- 2. Description of "odiffcation.
l l
j Configuration and Dieensions
.-, 3. Old Weld %rbe, New Leestion er Weld Mcbe-l 4 CC verification of re-oval of heat affected zone for stainless steel piping.
i CG Inspector s4 te 3
$. 4) Welding / repair history verification WT Cete
- 1) Limitations or speti al Conditi0ns for, e' e
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ISSUE (3 BROWN & ROOT, DiC.. NUMBE.1 REVISION DATE PAGE C CPSES JOB 35-1195 CP-CPM 6.9E 7 05/14/84 1 of 1 FIGURE 6.9E-9 B ACKING RING i 'd j 0 kY O , ,
.F USED 5; TALL i :
- 3 BE RN Q l tC BACKING RING 4Rkh, _J '
t 7.(Ah x
NC, EE R5vovED IF USEC SHALL i'
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SECTIONS PERPENDICULAR AND PARALLEL TO THE CYLINORICAL Axl3 OF THE COMPONENT Butt Welded Nozzle fn* ~,
3 t I"N
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,, A Note 1: For Class 3 piping.
backing rings may be left in place. I t = nominal thickness of part penetrated Note 2: Reinforcement configo-tr : nominal thickness of penetrating part ration for items suce
.c : 0.7 tn or 1/4 in., whichever is less as soc-o-lets shalf ii c' = 1/4 t or 3/4 in.. whichever is less so reet the recuira-4' = 1/4 in, minimum ments of the manufac-turer's recorm'endationy
3ROWN & RCOT, INC. PROCEDURE EFFECTIVE NUMBER REVISION DATE PAGE CPSES j JOB 35-1195 LP-CPM 6.9E 7 05/14/84 1 of f FIGURE 6.9E-t0 FLANCE DISASSEMBLY LIST l
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