ML20195F534
| ML20195F534 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 11/08/1983 |
| From: | BROWN & ROOT, INC. (SUBS. OF HALLIBURTON CO.) |
| To: | |
| Shared Package | |
| ML20195F283 | List:
|
| References | |
| FOIA-85-59 QI-QAP-11.1-28A, NUDOCS 8606120170 | |
| Download: ML20195F534 (46) | |
Text
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Ci y.a BROWN & RCOT, INC.
ISSUE CPSES Nt24BER REVISION DATE PAGE 1 of 46' QI-QAP-11.1-28 5
ORIGINATOR:[4
// 8 5 TITLE:
iP 1
REVIEWED BY:
-fr-9 0F ASME CLASS 1, DATE
$U RS APPROVED BY:
//
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Site QA Manager "
DATE 1.u ktrtRt%i.5 1-A A9iE Boiler & Pressure Vessel Code Section III,1974 Edition, with Addenda through Winter 1974 1-B CP-QAP-11.1, "Fabricati on and Installation Inspection of Components, Component Supports and Piping" 1-C QI-QAP-2.1-5, " Training and Certi fication of Mechanical Inspection Personnel" 1-D CP-Q'AP-16.1, " Control of Nonconfoming Items" 1-E CP-QAP-8.5, " Reclassification of Code Material" 1-F CP-QAP-12.1,
" Inspection Criteria and Documentation Requirements Prior to System N-5 Certification" 1-G CP-QAP-14.1, " Inspection of' Storage and Maintenance of Mechanical Equipment"
.2.0 GENERAL 3
2.1 PURPOSE AND SCOPE
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Thi s instruction delineates the criteria and inspection requirements to be used when perfoming fabrication and installation of ASME Class 1, 2, and 3 snubber assemblies ence 1-A and 1-B).
F0 A-85-d)e 6 l These are supplied by both ITT Grinnell and NPSI in seven sizes, 1/4 through 100. All seven sizes are available in two configu rations.
One configuration is the fixed length type (ITT Grinnell - figure 306, NPSI - SMF).
In this type, the bracket is attached directly to the snubber housing (see Attachments 1 and 2).
The other configuration is the variable length type (ITT Grinnell figure 307, NPSI - SMA).
i The variable length snubber is supplied with a transition Re!'258i f S'o*2" M URlHFORiMIiON ONIY GARDE 85-59 PDR
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BROWN & ROOT, TNC.
ISSUE CPSES NUMBER REVISION DATE PAGE J08 35-1195 I
2 of 46 QI-QAP-11.1-28A 5
50V 0 81983 kit which consists of an adapter that mounts directly to the snubber, a pi pe extension piece with an internally threaded end coupling welded on one end, and an eyerod which threads into the end coupling.
(See Attachments 1 and 2).
2.3 RESPONSIBILITY The Completions / Start-Up. QC. Superintendent shall be responsible for the implementation of this procedure.
i 2.4 PERSONNEL QUALIFICATIONS l
All B&R inspectors shall be trained, qualified and certified in accordance with the requirements of Reference 1-C.
2.5 ANI HOLD POINTS ANI hold points for snubber installation shall be established from pipe supports listed on the Hanger Installation Tracking System (HITS). The ANI's selection of hold points are listed
- on Attachment 3.
Additional hold points may be selected from current HITS lists.
The Millwright Superintendent shall notify the QC Superintendent, or his designee, prior to installing a snubber that the ANI has established a hold point.
The QC Superintendent, or his designee, shall notify the ANI that construction is ready to install a snubber listed as a hold point by the ANI.
After completion of installation activi ties, Quali ty Engineering Systems (QES) shall include pi pe support Multiple Weld Data Card (MWDC) in the documentation package for the ANI to sign off his hold point for snubber installation.
3.0 INSTRUCTIONS 3.1 MATERIALS 3.1.1 Verification and Transfer of Material Traceability The QC Inspector shall verify material acceptability per the Material Requisition (MR) (signed by QC Receiving) on the QC Checklist.
Prior to material separation QCI shall verify i
that material ID marking (heat number, heat code, etc.) has l
been transferred. This will be documented in the comment sec-tion of the QC Checklist (Attachment 4) or Vendor Supplied Component Modification Record (Attachment 5) as applicable.
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BROUN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE 6
JOB 35-1195 QI-QAP-11.1-28A 5
3 # #6 08E 3.1.2 Material Salvaging Salvaging of snubber (s) and associ ated hardware shall be accomplished in accordance with Attachment 6.
3.2 ROUTINE OBSERVATIONS Inspection personnel perfoming inspections shall moni tor general workmanship conditions in all phases of snubber modification and installation.
Observations shall include, but are not limited to:
a.
Handling / rigging b.
Housekeeping / storage maintenance c.
In-process modification and installation d.
Exposed machined surfaces are. free of rust and foreign material Observations which are adverse to quality and existing site procedures shall be documented on Storage Surveillance Report in accordance with Reference 1-G.
4.0 WELDING 4.1 WELDING INSPECTION REQUIREMENTS (GENERAL)
Visual welding inspection shall be in accordance with the requirements of this instruction.
QC shall veri fy that the welder (s) is qualified to perform the work in accordance with the WPS by checking the Welding
- Matrix, and shall veri fy that the WPS and filler material li sted on the WFML are the same,as those listed on the WDC.
4.1.1_
Cleanliness (when required)
Cleanliness before fit-up shall be as follows:
a.
Before weldi ng, the weld joint shall be free of moisture, di rt, oil, grease and other deleterious foreign material s for an area two inches (2") each i
side of the joint.
b.
The base material shall be mechanically cleaned at least 1/2" inch each side of the weld joint.
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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28; 5
OV 0 81993 4 f 46 4.1.2 Fit-Up (when required) a.
Transi tion kits with socket couplings shall have end cap fitup with an end gap 1/16" prior to welding as illustrated in Attachment 7.
b.
Solid type couplings on snubber transition kits shall be welded in place while maintaining a tolerance of approximately 1/16" variation from the pipe centerline.
c.
Welding of the solid end coupling nut to the extension pipe alignment must be maintained within 1/2*.
4.2 WELD SIZES 4.2.1 Forward Bracket Modification (NPSI)
In those cases where the forward bracket is modified to obtain the proper C-C diciension, the weld size for attaching
, lug and plate for snubber sizes 1/4 thru 10 is shown below:
Snubber Size Weld Size Weld Length 1/4 3/16" 3/4" Lg.
1/2 3/16" 3/4" Lg.
1 3/16" All Around 3
1/4" All Around 10 5/16" All Around In addition the QC Inspector will verify that the lug, when
- cut, meets the dimensional requirements as shown in.
4.2.2 Transition Kit Modification In those cases where the mounting plate is furnished as a bulk item and requires attachment by welding to the extension pipe the minimum weld size will be equal to the wall thickness' of the pipe.
In those cases where it is necessary to reweld the end coupli ng nut to the extension pi pe for ITT Grinnell snubber transition kits, the following minimum weld sizes shall apply:
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BROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE NOV 0 81983 f
5 # 46 QI-QAP-11.1-28A 5
4 Snubber Size Fillet Weld Size (Min)*
k,h 1/ 8" 1
3/16" 3
3/16" 10 1/4" 35 1/2" 100 3/4" The weld size need not be larger than the thickness of the coupling.
In those cases where it is necessary to reweld the solid end coupling nut for NPSI snubbers the following fillet weld size shall apply:
Snubber Size Fillet Weld Size (Min)*
,b 3/16" 1
3/16" 3
3/16" 10 1/4" 35 3/8" 100 5/8" The weld size shall not be larger than the thickness of the coupling.
4.2.3 Final Weld Inspection Fillet weld sizes specified in Paragraph 4.2.1 and 4.2.2, shall be the size required along the full length of the weld joint. However, a fillet weld in any single continuous weld may be less than the specified fillet weld dimension by not more than 1/16 inch provided that the total undersize portion of the weld does not exceed 10% of the length of the weld.
Individual undersize weld portions shall not exceed 2 inch in length. Oversize fillet welds shall be acceptable provided additional weld does not distort the items being joined together.
Distortion due to welding shall be reported in accordance with Reference 1-D.
The final surface of welds shall be free from defects such as sharp surface irregularities, slag and cracks.
Undercut shall not exceed 1/32 inch.
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BROWN & ROOT, TNC.
TSSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28A 5
6 # 46 NOV 0 81983
.i NOTE:
Only indi cations wi th maj or dimensions greater than 1/16 of an inch shall be considered relevant.
4.3 WELD REPAIRS
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Weld repairs shall meet the acceptance criteria applicable for the original weld.
4.4 FINAL WELD DOCUMENTATION Actual weld sizes will be recorded on the QC Checkli st,.
Welding Operations shall be documented on the VSCMR.
5.0 SNUBBER INSTALLATION AND MODIFICATIONS 5.1 MODIFICATON OF PIPE CLAMPS
' The clamps shall be examined for minimum and maximum edge distance at snubber end per Attachment 9.
When interference exists between pipe clamps and snubbers, the clamps may be modi fied within the allowable minimum and maximum edge distances as per Attachment 9.
NOTE:
The pin shall be removed prior to modifying the clamp.
5.2 SNUBBER BOLTING MINIMUM ENGAGEMENT In those cases where the bolts which attach the snubber forward bracket or transition kit to the snubber do not protrude completely through the tapped hole in the snubber flange, the inspection criteria shown in Attachment 10 shall be used to detennine if sufficient thread engagement has been obtained.
5.3 MODIFICATION OF NPSI REAR BRACKETS All rear brackets, for 35 & 100 snubbers, will be checked for the snubber movement range (angle of loading) and the corresponding "X"
(Min / Max),
"Y" and "Z"
dimensions shown i
in Attachment 11.
If the "X" dimension exceeds the maximum _
allowable, the bracket must be modified to fall within the "X"
(Min / Max) range.
The modifications m&y be by thennal means or machining.
If thermal cutting is used, the cut edges shall be smoothed by machining.
In either case, the bracket pin shall be renoved prior to the modification.
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BROUN & ROOT, INC.
1SSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28A 5
7 # 46 NOV 0 81983 NOTE:
The interference of size 35 and 100 snubbers with rear brackets for Unit #1 has been evaluated by Engineering during Hot Functional Test (HFT).
Required modifications as needed are pe rformed.
l 5.4 MODIFICATION OF FORWARD BRACKETS FOR SNUBBER SIZES 35 AND 100 l
Modification of forward brackets for 35 and 100 snubbers shall be done in accordance with Attachment 12.
5.5 MODIFICATION OF SNUBBER TRANSITION KITS (GENERAL)
Shortening or lengthening of snubber transition ki ts to a length that will render snubber pin to pin dimensions outside maximum lengths specified in Attachment 22 must be approved by Engineering by a design change.
NOTE 1:
If the threaded portion of the eyerod bottoms out in the transition kit before the desired adjustment is achieved, the eyerod may be shortened to achi eve the necessary adj ustment.
- However, enough threads shall remain to allow full thread engagement in the coupling nut.
NOTE 2:
For identification of snubber parts / hardware discussed in this section, see Attachments 1 and 2.
a.
For both NPSI and ITT Grinnell snubbers the required transition kit length shall be detemined by measuring the pin to pin (C-C) distance in the field.
Then subtract the actual cold setting (AC dimension shown on the design drawing) from the exi sting pin to pin dimension. The difference between these two dimensions is the transition kit length required to maintain the proper cold setting.
The C-C dimension provided in the Bill of Material or in the sketch are provided for materi al take-off i
purposes only.
The maximum C-C dimensions are provided in Attachment 22 for the di fferent size snubbers.
Deviation from these dimensions is not penaitted unless authorized by a design change.
b.
Deviation of more than 1/8" from the specified cold setting (AC dimension shown on the design drawi ng) is not permitted unless authorized by a design change.
c.
If adjustment of an ITT-Fig. 307 snubber is required i
for installation, the threaded eye rod in the
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ISSUE CPSES NUMBER REVISION DATE PAGE
- I' 8 # 46 QI-QAP-11.1-28A 5
NOV 0 81983 transition kit has an adjustment capability of 3 1/2".
For NPSI-SMA snubbers, this adjustment capaci ty is 1 3/4".
Any further adjustment necessary may be made only by modification of the transition kits, d.
In order to lengthen the transition kit, remove the end coupling by grinding or cutting. Snubber sizes 1/4 through 10 have a transition kit mounting plate which must also be removed.
e.
If the mounting plate is damaged during removal, a new one shall be fabricated from SA-36 or SA 515 Grade 65 steel.
f.
Replace the pipe portion of the transition kit with a size and grade of pipe selected in accordance with 3 and cut to length necessary to acheive the required pin to pin dimension.
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g.
The length of ITT Fig. 306 snubbers can be adjusted only
" aced behind the rear
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by the use of shim plates bracket.
NPSI-SMF snubbers can be adjusted either by placing shim plates behind the rear bracket, or by trimming the forward bracket in accordance with Paragraph 4.2.1.
h.
In those cases where interference problems exi st when installing snubbers, they may be mounted 180*
(end to end) from the configuration shown on the design drawing.
5.6 MOUNTING OF FORWARD BRACKET OR TRANSITION KIT INTO SNUBBER BODY For snubber sizes 35 & 100, screw the transition kit or forward bracket into the internal threads at the base of the snubber until it bottoms against the internal dust cover or until the threads meet the minimum thread engagement.
For NPSI forward bracket or transition kit, minimum thread engagement is as detailed in Attachment 12.
For ITT supplied forward bracket and transition kit, the existing thread length provided on the part is adequate.
However, trimming of the thread length for ITT parts is prohibited, unless authorized by Engineering.
The thread engagement operation should be completed by hand.
If more force is required, remove part and clean all internal and external threads.
If after cleaning, tightening is difficult, a strap wrench or other l
non-marring tool may be used to assist in the tightening operation.
However, the parts shall not be forced.
After I
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SROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE 08 35-1195 al-QAP-11.1-28A 5
9 f 46 gy 0 81983 fully engaging the threads or bottoming, the forward bracket may be unscrewed up to a maxmimum of 1/2 turn to achieve correct orientation of the lugs and pins on each end of the snubber per the pipe support sketch.
CAUTION:
Do not unscrew more than 1/2 turn.
5.7 INSPECTION CRITERIA The followi ng are inspection requirements when inspecting snubbers:
a.
To prevent binding within the clamp and/or bracket, snubber shall not be installed with an off-set of more than 5 (five) degrees.
b.
Verify that flat washers are installed between the spherical bearing and each clamp half.
The spacers may not fit when assembling the rear bracket due to the tolerances.
At this time, one or more of the spacers may be deleted.
For horizontal brackets if only one spacer is installed, it should be placed on the underside of the spherical bearing when applicable.
NOTE:
Minor adjustments of the pipe clamp may be required to facilitate snubber installation.
c.
The clamp pin should be long enough to accomodate cotter pins on either side.
i d.
Verify pinned connections have fully opened cotter pins or split snap rings installed.
e.
Verify spherical bearings are tightly staked in the attachment ends, f.
Veri fy that exposed threaded surfaces are free of excessive rust or foreign material.
g.
Veri fy that spherical bearings are free of foreign material and gimbals freely in it's race.
NOTE:
QCI shall document results of cleanliness, and operabili ty of component support parts (i.e.,
spherical bearings, pins, etc.) on the QC Snubber Checklist in Comments Section.
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BROWN & ROOT, TNC.
ISSUE CP.SES NUMBER REVISION DATE PAGE JOB 35-1195 I
QI-QAP-11.1-28A 5
NOV 0 81983 10 of 46 5.7.1 Relative Angle Adjustment Due to field condi tions, it may be necessary to adjust the alignment between the snubber end ccp and the mounting hardware (rear bracket or pipe clamp) in order to allow a
full 5*
misalignment tolerance.
All adjustments of this type shall be pe rfomed in accordance with the following instructions and witnessed by the QCI.
5.7.1.1 Snubber Sizes 1/4 through 10 - See Attachment 14.
1.
Remove attachments from the snubber.
l 2.
Place the snubber in a vertical position on a table setting on the snubber housing.
3.
While keeping a slight downward hand pressure, on the top to avoid linear movement, use retaining ring pliers to free retaining ring.
4.
While maintaining a slight downward hand pressure, slowly turn end cap by hand only to desired rotational position.
(CAUTION: Do not turn the end cap more than 360 )
5.
While maintaining hand pressure, replace retaining ring.
Expand and contract arrestor slowly through full stroke to detennine that repositioning has not damaged internal components.
5.7.1.2 Snubber sizes 35 & 100 - See Attachment 15.
1.
With the assembly cradled in a bench, remove the three indicator tube mounting screws.
Extend the snubber sufficiently to expose the telescoping tube.
2.
While the telescoping tube is restrained from rotating, s
loosen the left hand threaded nut (ring).
(Nut has
-been torqued to 150 20 ft. lbs.) Rotate the end cap to the desired position.
J CAUTION: Under no circumstances shall the end cap be rotated more than one complete turn from the i
bottcmed out position.
l 3.
Re-torque the left hand threaded nut to 150 20 ft. lbs.
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ISSUE CPSES NUMBER REVISION DATE PAGE i
e JOB 35-1195 QI-QAP-11.1-28A 5
11 of 46 NOV 0 81983 4.
Replace the indicator tube and screws.
5.
Mount the transition kit or forward bracket into the internal threads at the base of snubber as detailed in Paragraph 5.6.1.
5.7.2 Snubber Operation The snubber operation shall' be checked to veri fy the di stance of travel to ensure the snubber is in proper working condition.
Snubber Size k
1 3
10 35 100 Stroke / Length Inches 4 24 4
5 6
6 6
NOTE:
Snubbers with "L"
suffix will. have an extended stroke length of twice the stroke length shown above.
5.7.3
' Reinstallation / Staking of Spherical Bearings Reinstallation or staking of spherical bearings shall be accomplished in accordance with Attachment 16.
6.0 GENERAL REQUIREMENTS a.
Never interchange NPSI and ITT Grinnel parts or hardware.
However, except for the feedwater and mainsteam systems, NPSI and Grinell snubber bodies may be interchanged.
b.
It is extremely important that the clamp halves are parallel (see illustration on Attachment 17).
Excessive gap at the upper end of the clamp can allow enough space for the spherical bearing to be dislodged from the eye rod end.
Flat washers may be installed to fill the gap.
c.
At no time shall installed snubbers be used as steps or hand-hol ds.
- NOTE:
Pipe clamp assembly infonnation - see Attachment 17-21.
d.
When arc welding, do not attach. ground to snubber or any. part of the snubber which will cause arcing current to pass through snubbers.
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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28A 5
12 of 46 e.
Do not sandblast snubbers.
Snubbers are pre-finished with acceptable corrosion protection.
l f.
If sandblasting is to be perfonned on adjacent parts such as unfini shed pi pe or structure, snubber and bearings on attaching parts must be masked for protection.
g.
Use care to align snubber as closely as possible to avoid forces tending to rotate the pipe clamps or induce bending.
h.
If a snubber is accidentally dropped, check the function by extending and retracti ng through the full stroke.
If there is no evidence of sticking or bi ndi ng, it may be assumed that no internal damage has occurred.
If there is evidence of a mal function, it shall be documented in accordance with Reference 1-D.
1.
To avoid driving spherical bearings free or damaging bearings, use care in inserting pins.
Pins should be snug but not tight. Light tapping is allowable.
j.
Under no ci rcumstances should-the snubber housing be twisted relative to the position indicator tube.
This may result in a jammed snubber.
7.0 BASE METAL REPAIR Base metal defects shall be documented in accordance with Reference 1-0.
8.0 TORQUE REQUIREMENTS Torquing shall be witnessed by QC and documented by signature and date on the QC Checklist.
The M&TE number and the torque value shall be recorded on QC Checklist.
Mounting bolts for transition kits or forward brackets shall be torqued as follows:
Snubber Size
%&h 1
3 10 Torque Value (IN/LB) 22 45 120 440 While torquing these bolts on sized through 10 s'nubbers, hold the snubber assembly by the transition kit extension
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BROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28A 5
NOV 0 81983 13 of 46 piece, or by the forward bracket.
When holding by the forward bracket, care shall be taken not to damage the i
..sp_berical bearing.
While holdi ng the snubber assembly by the transition kit extention piece, the eye rod jam nut shall be torqued as follows :
Snubber Size Mb 1
3 10 35 100 Torque Value (FT/LB) 40 40 80 100 150 220 9.0 SAFETY WIRING On NPSI snubbers, sizes 1/4 through 10, the transition kit or forward bracket mounting bolts shall be safety wired by passing a single strand of stainless steel wire through a series of holes in the bolts.
The two ends of the wire shall be joined at a point between any two bolts. A pigtail of 1/4" to 1/2" in length with 3 to 6 twists shall be made
' at the end of the wiring. The pigtail should be bent back and under to prevent it from becoming a snag.
Safety wiring shall have sufficient tension so that wire slack is minimal, but wire is not overstressed.
QCI's signature for " Installation Complete" Operation on QC Checklist for Snubber Installation shall provide objective evidence that safety wiring operation has been verified and found satisfactory.
NOTE:
In those cases where attachment bolts between forward bracket assembly and snubber assembly are safety wired by the vendor, QCI shall verify that the following conditions exist:
a.
Bolts are tight.
b.
Lockwire is not damaged.
c.
Lockwire is crimped.
If any of the above conditions are unsatisfactory, the bolts shall be retorqued and the new lockwire shall be installed as detailed above.
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BROWN & ROOT, INC.
ISSUE NUMBER REVISION DATE PAGE CPSES JOB 35-1195 QI-QAP-11.1-28A 5
14 of 46 NOV 0 81983 i
10.0 FINAL SNUBBER INSPECTION 10.1 SNUBBER INSTALLATION When the snubber installation is complete and ready for final inspection, Construction shall notify Quality Control and present to the inspector the snubber installation infomation for review and final inspection After the snubber is presented to QCI for inspection by Construction, di screpancies identi fied during inspections that do not require an Engineering evaluation or rework documentation will be identified to the Craft and corrected prior to QCI acceptance.
10.2 00CUMENTATION The results of the snubber inspections shall be documented on the QC Checklist (Attachment 4).
After completion, the checkli st will be transmitted to QES for review of material identification as discussed in Paragraph 5.3.
Upon
- completion of this review, QES shall file the checklist in the respective hanger installation documentation.
10.3 MODIFICATION PACKAGES Final inspected items requiring modi fication as a result of the issuance of design change or Item Removal Notice (IRN) shall be reinspected in accordance wi th the applicable requirements of this procedure.
10.4 RaiOVAL/ REINSTALLATION OF SNUBBERS (UPON ISSUANCE OF AN "IRN")
10.4.1 Removal of Snubbers Upon issuance of an " Item Removal Notice" (IRN) by Construction, QCI shall obtain a copy of the original installation checklist for material verification and final inspection i nformation.
Prior to removal of any snubber assemblies, QCI shall record the following information on the QC Checklist for Removal and Reinstallation of Snubbers, 3:
1.
Hanger mark number 2.
IRN number 3.
Snubber serial number 4.
Pin-to-pin dimension (snubber fully compressed) 5.
Physical damage M
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BROWN & ROOT, TNC.
!SSUE CPSES NUMBER REVISION DATE PAGE 5
1s f 46 QI-QAP-11.1-28A NOV 0 81993 After removal of the snubber, QCI shall measure pin-to-pin dimension of snubber in fully compressed state.
Also, QCI responsible for recording the above infomation shall sign and date the QC checklist.
10.4.2 Reinstallation of Snubbers Prior to reinstallation of snubber assemblies, QCI shall veri fy, the snubber that is to be rei nstalled, is the same snubber that was removed, snubber operation, and there is no physical damage.
Also, QCI shall verify that pi n-to-pi n dimension of the snubber in fully compressed position has not changed since removal.
QCI shall witness torquing operation of the adjustable eye rod jam nut, when applicable, and record M&TE number and value per Paragraph 8.0.
When reinstallation is complete and acceptable, QCI shall sign and date the checklist. QCI shall forward the completed checklist with a copy of the IRN attached, to the responsible lead for review.
NOTE:
Paragraph 10.4 - 10.4.2 shall be perfomed only if there has been no modifications to the snubber assembly.
In case of modification to the snubber assembly, the QC Checklist for Snubber Installation (Attachment 4) shall be used.
10.5 REMOVAL / REINSTALLATION OF SNUBBERS (UPON ISSUANCE OF AN "NCR")
10.5.1 Removal of the Snubber When snubber is to be removed upon issuance of an NCR requi ring rework to snubber bodies (i.e., not requiri ng modification to transition kit / forward bracket), QCI shall record the pertinent information on the Checklist, 4.
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10.5.2 Reinstallation of the Snubber Prior to reinstallation of the replacement snubber, QCI shall assure that snubber operates freely and is free of physical damage.
Al so, QCI shall veri fy that pi n-to-pi n dimension of the replacement snubber in the fully compressed position is the same as that of originally removed snubber.
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BROWN & ROOT, TNC.
ISSUE CPSES NUMBER REVISION DATE PAGE QI-QAP-11.1-28A 5
16 # 46 NOV 0 81983 QCI shall witness the torquing operation as applicable and record M&TE number and value, per Paragaph 8.
When reinstallation is complete and acceptable QCI shall sign and date the Checklist and forward it to Lead for revi ew.
NOTE:
In case of modi fication to forward bracket /
transition ki t, the QC Checklist for Snubber Installation (Attachment 4) shall be used.
11.0 REPORTING DEFICIENCIES /NON-CONFORMANCES Deficiencies /Non-Confomances shall be reported and documented in accordance with Reference 1-B/1-D.
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ISSUE NW.SER REVISION CATE PAGE
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CPSES I
5 17 of 46 OI-oAP-11.1-28;.
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Issus f s, CPSES NUMBER REVISION CATE PAGE JCB 35-L195 hflV O O 100 9
18 of 46 OI-CAP.-11.1-2SA 5
h 2d.E TI 2 SE!B8E SIZE 35 & 100 g
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ISSUE O"
CPSE3 NUMBER REVISION LATE PAGE JOS 35-1195 HOV C
- 1#
19 of 46 -
3I-< AP-ll.1-2SA s
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Pipe /S W r MS-1-074-009-SS2K M3-2-026-405-572K L
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SF-X-003-004-F43K 1
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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI-QAP-11.1-28A 5
NOV 0 8198?
20 or 46 ATIAODfENT 4 Fase of QC CHICKLIST FOR $NUBBER INSTALIATICN QI-QAF-11.1-28A, REY.
FARA.
W. NO.
OPERATICIt QCI/DATE SAT /UNSAT 3/A 1.
Ranger i N/A 2.
Saubber Serial #
5.7.2 SMUBBER OPERATION:
3.
Snubber Size 4.
Stroka Length 8.0 5.
Torque of Transition Ric or Forward Brackett MT&E VALUE ##
8.0 6.
Torque of Adjustable Eye Rod End Jan Nut MT&E val #E 5.7.1 7.
Torque of King Nut (35 & 100 only)
M T & K, VALUE
., I 5.7.1 8.
Ralative Angle Adjustment (If Required)
- 5. 7. 2 9.
Re-verify Saubber operation:
Stroke Length 3.1.1 NATERIAL I.D. (As Applicable) 10.
Forward Bracket 11.
(Bulk) Base Place 11A.
(Bulk) Forward Bracket Eye 12.
Transition Kit 13.
Adapter Flate 14.
Eye Rod 15.
Coupling Nut 16.
Barrel s
...s,
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SROWN & ROOT. INC.
ISSUE h
CPSES NUMBER REVISION CATI PAGE JCS 38-1195 O-CAP-ll.1-28A 5
MOV 0 81981 21 oe 46 ATGGMDTr 4 (Cbntim2ed)
QC CIECILIST FOR SNUBBER INSTAILATION (Continued)
Page of QI-QAP-11.1-ISA
, REY.
PARA.
OP. NO.
OPERATION QCI/DAIZ SAT /UNSAT 3.1.1 17.
(100 Only) Spherical Bearing Fina 18.
(35 & 100 Only) Eye Rod Jan Nut 5.6 19.
Verification of Full Thread Engagement of Eye
' ~ ~ ~
End in Coupling Nut 5.6 20.
C-C Dimension 5.6
,21.
A-C Dimension per DWC.
4.4 ACTUAL WEID SIZES Otodificatione only) 14 22.
Transition Eit 23.
Forverd Bracket 5.2 24.
Minianas Thread Engagement Complice with At-tachment 10.
25.
Installation Complete 26.
QC Supervision Review N/A NCE mMMENIs a'
NOTE: ANY OPERATIONS THAT ARE NOT APPLICABLE MUST BE MARKED "NA", INITIALID AND DATED ST THE QCI.
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ISSUE CPSES NtHSER REVISION CATE XGE 1
JCS 35-1195 c t-c e-11.1-2aA s
Nny 0 81987 eau ATDCFJETr 5 (Front) j VEMER SUPM.IED COMPONENT MDDIFICATION RECORD CaN Serial #
Campostart Sardal #
6 Temeer Laplied C.1sinonarrg W aal Modificaties W Mar #
l Designatas Wer #
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ISSUE CPSES NIHSER REVISION CATE PAGE Jcs35-119s cI-c.AP-11.1-28A s
NnV 0 81983 n ne u ATDCMNr 5 (Back)
VEMXR SUPPt.IG CDIPONENT ICOIFICATION REC::RD
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BROWN & ROOT, INC.
ISSUE 1
CPSES NUMBER REVISION DATE PAGE O
a0B 35-119s QI.QAg.11.1.asA
,g,,,,,
1
. ATTACHMENT 6 1.0 GENERAL
~"-
'~~-~~'"
1.1 PURPOSE AND SCOPE This instruction provides the inspection and verification.
requirements for material or items to be salvaged from b Vendor supplied and B&R fabricated snubbers assembl ies,-
2, and 3 and subsequently used in the'"~-_T.~ ~ ?..
fabrication of Class 1, 2 and 3 supports.
L _r_--
h.
2.0 INSTRUCTION 7_
=
2.1 SALVAGING Never interchange NPSI and ITT Grinnel parts or hardware. ---
However except for the feedwater and mainsteam systems Z
r
- NPS1 and Grinnel snubber bodies may be interchanged.
- rC Snubbers and associated hardware may be used on component ~._'_ __. _.. :.__
supports other than those for dich they are designated provided requirements of this instruction are met.
When an item is salvaged for use on a support other than the- ----
one for which it. was designated, the original support mark and serial number; or mark, MIC or heat number; or mark and._.--
heat code shall. remain distinguishable on the item.
.m If the vendor fabricated snubber assembly with ASME Code _
plates are salvaged and used on supports other than those for dich they are designated, the Code plate (s) shall remafn-~-~'
~ ~ ~ _
attached to the item if one or more welds remain. When all._
vendor welds are removed, the code plate (s) shall be removed, provided. the original support number is transferred to the--
vendor part. Authorization to remove name plates which are shown on the drawing shall be provided by Engineering on the-~~ ""
appropriate design change. Construction shall transmit the _.
~
Code plate (s) to QC by a 3-part memo.
QC will subsequently transmit the Code plate (s) to the Owner.
For ~ B&R fabricated snubber assemblies that are to be " ~ ~
~
~~
salvaged which contain welds and these welds are to be salvaged, Welding Engineering is responsible for providing the documentation (WDC, WFML, etc.) necessary for QC to - -
-b accept these welds.
This documentation shall become part of the new snubber data package.
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ISSUE BROWN & ROOT, INC.
CPSES NUMBER REVISION DATE PAGE JOB 35-1195 g1.ggp.11,1 28A s
HOV 0 81983 25 or 46 ATTAC}f4ENT 6 (Continued) 2.2 LOCATION OF SALVAGED SUPPORTS i
When B&R fabricated and vendor supplied snubber assemblies, either Code stamped or not, are designated for salvage and i
1 returned to the warehouse, these assemblies shall be reinspected by receiving QC in accordance with Paragraph 2.3.
B&R fabricated and vendor supplied snubber assemblies that are to be salvaged need not be returned to the warehouse.
ASME Field QCI shall reinspect the salvaged items in accordance with Paragraph 2.4.
2.3 SALVAGED MATERIAL RELEASED FROM WAREHOUSE Upon receipt of Material Requisitions (MR) from the warehouse for salvaged snubber assemblies / parts, the Receiving
' Inspector shall verify the following:
a.
The MR identifies the intended use of the material or parts.
b.
The Nt identifies the original mark or support number from which it was salvaged if the part being salvaged is a Code stamped part.
c.
All material, parts, or assemblies are identified by a unique mark or assembly number traceable to the original support identification for vendor supplied Code stamped parts.
~
d.
B&R fabricated snubber assemblies parts or materials and B&R bulk exhibit a heat number which is traceable to an available material certification.
e.
All vendor supplied snubber parts, material s, or assemblies are traceable to an available material certification.
Upon completion of the above verification, the Receiving Inspector will sign and date the MR.
C.
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~ ISSUE BROWN & ROOT, INC.
CPSES NUMBER REVISION DATE PAGE
'(.
~ " ~
JOB 35-1195 QI-QAP-11.1-28A 5
NOV 0 81983.
26 e 46 ATTACHMENT 6 (Continued)
~
2.4 INSPECTION AFTER RELEASE TO FIELD Once salvaged parts, material s, and/or assemblies are in the field for the construction, Quality Control shall perfom the following verifications:
a.
All vendor supplied, Code stamped, support parts or assemblies exhibit the unique identification number as i
show on the corresponding MR.
}
b.
All B&R fabricated snubber parts, and bulk material 5
exhibit the heat number as shown on the MR, if released from the warehouse.
If the snubber part was not returned to the warehous.e, the original MR shall be referenced on the QC Checklist.
(',
Upon verification, - the-QC Inspector shall assure that the above applicable information is ' recorded on the appropriate fom.
QC acceptance shall be documented by signature and date in the Comment Section of the QC Checklist for Snubber Installation.
2.5 MATERIAL RE CLASSIFICATION When a salvaged snubber or part is to be used on a higher Code Class than it was originally supplied for, it shall be evaluated in accordance with Reference 1 E.
NOTES:
1)
No e([aluation is needed when a salvaged snubber or part is to be used on a lower a
Code class than it was originally supplied l
for.
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ISSUC CPSES NUMBER REVISION DATE' PAGE JOB 35-1195 c c-cu-n.1-2sn s
fIOV 0 81983 27 ne 6s e
ATG G MENT 7 NPSI SOCKET TYPE CDUPLHG DO CAP FTIUP 5.
- 1. Scribe lina l'/ " frame -
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...fass ei coupling.
- 2. Scribe lisa 1" with
,ipe s u r i=.a n.4.
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-3. Eacissue pipe 1/16" befors =tdd !.
i A. F.sasure 1 L/16" f::a sc=dhe art as and cap :n scribe sart. on pipe
.,. ist order to achiave L/16" sad gas.
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Issut CPSES NUMBER REVISION CATE PAGE J03 35-1195 NOV 0 81992 o t-c e -u.1-28^
5 28 <>r a ATr;GMENT 8 FORWARD BRACKET MODIFICATION (DDfENSIONAL REQUIREMENTS)
.smhM[ sizes 1, 3, and 10 g
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ISSUE l
CPSES NUMBER REVISION DATE PAGE
{.
JOB 35-1195 OT-OAP-il.1-28A 5
(OV 0 81983 29 of 46
-j ATTACHMENT #9
'. ~ 5~
PIPE CLAMP EDGE DISTANCE Pin at- '-
(+)
M.
1 3
)
Edge distance Min /Maa 2
~
NPSI ITT smuumum.
MIN, EDGE
" MAX. EDGE MIN. EDGE-MAX. EDGE SIZE DISTANCE DISTANCE DISTANCE DISTANCE
.L k,k k"
5/8" k"
5/8" 1
3/4" 1"
5/8" 15/16" 3
15/16" i k" 15/16" 1 3/16" 10 1 k" 1 9/16" i k" 1 9/16".
35 2"
2 3/8" 1 13/16"
- 2 13/16*
100 4"
4 9/16" 3"
3 7/16"
~. -,
- If the snubber end cap hub protrudes, the 213/16" edge distance must be reduced by the amount the hub extends beyond the snubber body. Engineer-ing shall be notified if such a reduction exceeds the minimum edgar-tis ~'
^
tance
.lD
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I BROWN & ROOT INC.
ISSUE CPSES NegER REVISION CATE PAGE JOB 35-1195 OI-CAP-ll.1-28A 5
NnV 0 o 1983 30 of 46 ATDGMc7r 10 SNUBBER BOLTING MINIMUM ENGAGEMENT
=
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ses 2/4 - V2 3/ls' 3
5/16*
la 9/18" 35 nye.w14-ht.
t 100 m.T14->1 4
em MW D 9
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BRC'.0t & RCOT, INC.
ISSUE C75ES NUMBER REVISION CATE PAGE JCB 35-1195 10V 0 8198 M n# 4 A OI-CAP-11.1-28A 5
ATDMEITr 11 FIELD MODIFICATION OF SIZE 35 AND 100' SNUBBER REAR BRACKETS use,tc cr/
01Y o* f Gulf t=u4 rerrse;-
ps 45-IF/s s
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'q BROWN & ROOT, INC.
ISSUE CPSIS NUMBER REVISION CATE PAGE
~208 35-1195 CI-CAP-11.1-2SA 5
pny () o jggq 32 of 46 ATTACH 5ENT 12 A
e Tl1 NPSI I
a Ii k
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SIZE TL18 4 A
C MIN MAX MIN MAX
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1 /8 11/16 35 4h 22 15/16 1
3 /8 21 13/16 1
7 3
5 /4 29 11/16 1 /8 1 V16 3
5 100 7 /16 31 /8
- ~
M (MIN F
Ft s
35, 35L, 35XL 3 1/2 1
3/8 100,100L,100XL 4.I/2 3/4 35, 35L, 35XL 2 7/8 3/8 3/16 1 " '.' _~
l~]
100,100L,100XL 3 5/8 5/16
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=-
MortS: 1.5TM.C 20D.104 lu FL.ct,6clu SICCS.
- 2. A= C-Tl.1
- 3. MATT 2ttd Cf' TCRE/f4D S.NY'T CYE MAD
, P " ^N AC4*T"E215 5A 2L.
Q Required thread engagement for forward bracket or transition kit. -
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SRC'aN & ROOT, INC.
ISSUE CPSES NUMBER REVISICM CATE PAGE JOB 35-1195 QI-CAP-ll.1-28;.
5 My n p 1007 33 of 46 Altam 13 NPSI TRANSITICN KIT PIPE SIZHG GUII:E 4
Am*+=r Size Pipe Size 1" Sch. 40 1" Sch. 40 1
lk" Sch. C-3 1 " Sch. 40 10 2" Sch. 80 35 4" Sch. 80
("
100 6" Sch. 120-Pipe material shall be SA-106, Grade B, unless othereise __
W #4=4 by design ITT GRINNELL TPAMCN KIT PIPE SIZDG GUIG Srnibber Size Pipe Size 1" Sch. 40 1" Sch. 40 1
1" Sch. 80 3
1" Sch. 40 10 2 " Sch. 40 35 4 " O.D. x 8" Wall 100 5-9/16" O.D. x 1" Wall Pipe material shall be SA-53, Grade B, or SA-106, Grade B.
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SROWN & RCOT INC.
ISSUE
. [
CPSIS NUMBER REVISION CATE PAGE' JOB 3fi-1135 c,I-CAP-11.1-29A 5
5:0V 0 81983 34 oe 46 ATIAG MENT 14
\\
MECHMICAL SHXX AARESTOR SIZES 1/4
- m @ 10 1
f*
- END CAP I
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__rD#nd M INDICA %_
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ISSUE CPSE3 NUMSER REVISION CATE PAGE JOS 35-L195 1
QI-CAP-ll.1-23A 5
i OV 0 81983 33 oe 46 Arr4hT7215 MECNANICAL $}CCK ARRESTCR
. SPFFMCAL as: nano i,
a Cap
. th : -.
~ R D G NETf I
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ISSUE CPSES NUMBER REVISION DATE PAGE JOB 35-1195 QI.QAP.11.1 28A 5
l(Oy 0 3.1983 36 or 46 ATTACHMENT 16 1.0 GENERAL 1.1 PURPOSE AND SCOPE This attachment provides the inspector with the inspection criteria to be used when inspecting the restaking of spherical bearings.
2.0 INSTRUCTION 2.1 SPHERICAL BEARING STAKING INSPECTION Spherical bearings that are loose in the eye rod or snubber i
ends or have become dislodged require restaking prior to installation.
Prior to commencement of the staking operation, construction personnel will notify QC.
This notification gives the QC Inspector an opportunity to moni tor the staking operation.
Upon completion of the staking operation, the QC Inspector shall inspect the eye
. rod (or snubber end) *o verify the following:
a.
The eye rod hoh is not deformed; b.
The bearing race is centered in the eye rod hole and should be staked approximately 1/16" from the edge.
However, this dimension is. not critical as long as the bearing meets the conditions in C,
D and E below.
c.
The bearing shall be free from rust, dirt and other foreign material; d.
The bearing gimbal moves freely in its race.
The race is sectired within the eye rod.
e.
2.2 DOCUMENTATION Spherical bearing restaking shall be documen*.ed on an Inspection Report (See Table 1 of this Attachment) and on the MWDC.
The support mark numbe shall be recorded in the
" Identification No." block.
Completed doctnentation shall be reviewed and transmitted to Quality Engineering Systems for filing in respective hanger document package.
2.3 NONCONFORMANCES All nonconforming conditions shall be reported in accordance with Paragraph 11.0 of this procedure.
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I SROWN & ROOT, INC.
ISSUE CPSES NUMBER REVISION DATE PAGE
{'
QI-QAP-11.1-28A s
110V 0 81983 37 or 46 2
ATTACHMENT 16 (Continued)
TABLE 1
)
CasasseW. PEAas STEAas e.gg?]Ist STafttus 1819ECCat M F gg.sg.
j-.
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07" Wight,"* C;=3kiq=
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s1Isam usts'amme i f* *.
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=
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QI-QAP-11.1-28A I l0V 0 81983 i
1 ATTACHMENT 23 4
i QC GECKLIST FOR REMOVAL Ano EsINSTA1.LATION OF $NUSSERS Qt-QAF-11.1-28A Rev.
Page of REM) VAL:
PARA.
OP.NO.
OPERATION 10.4.1 1.
aanger f M
2.
IRN f h
3.
Snubber Serial i 1
2, 3.9.:.i.:1 4.
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I 10.4.1 3.
Physical Damage QCI/DATE REInsTARTtou r PARA.
OP.No.
OPERATION 10.4.2 1.
Saubber Serial f J,0,:,4,:1 2.
Seubber Operation __
10.4.2 3.
Physical Damage 10.4.2 4.
pin to Fin Dimension (Saubber Fully Compressed) 10.4.2 5.
Torque of Adjuscable Eye Rod Jan Nut M4TE VALUE 6.
Reinstallation Complete QCI DATE r
I*
QC Supervision Review DATE NCE:
GNGE!rts:
9 L
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BROWN & ROOT, INC.
ISSUE C.oSES NUMBER REVISION DATE PAGE QI-QAP-il.1-28A 5
0 a f983 46 or 46 ATTACUiENT 24 QC CHECKI,IST TOR RD10VA:
AND REINSTALt.ATION OF SNUBBERS QI-QAP-11.1-28A Rev.
Page of REMOVAL:
PARA.
OPERATICN 10.5.1 1.
Ranger #
10. 5. 1 2.
NCRf 10.5.1 3.
Snubber Serialf 10.5. 1 4.
Pin to Pin Dimension (Snubber Fully Compressed) 5.
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REINSTALI.ATION:
TORWARD BRACKET #
PARA.
OPERATICN 10.5.1 1.
Replacement Snubber Serialf 10.5.1 2.
Snubber Operation 10.5. 1 3.
Physical Damage 10.5.1 4
Fin to Pin Dimension (Snubber Fully Compressed) f I
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Torque of Adjustible Eye Rod Jam Nut f
M&TE VALI:4 6.
Rainstallation Cen.plete QCI DATE 7.
QC Supervision Review Date 8
NCR#
CLOSURE DATE C01tG3TS Torous of mountina boIts M&TE VALVE 1.0CK WIRE INSTALLED TRANSITION KIT TORWARD BRACKET
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