ML20203M800
| ML20203M800 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 07/07/1986 |
| From: | HOUSTON LIGHTING & POWER CO. |
| To: | |
| Shared Package | |
| ML20203M796 | List: |
| References | |
| OEP-9.05Q, NUDOCS 8609040345 | |
| Download: ML20203M800 (22) | |
Text
HOUS10% LIGHTING & PO2ER COMPANY SOUTH TEXAS PROJECT PROCEDURE MANUAL
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SUMMARY
OF REVISIONS l.( '
"" DEN 9.05Q YYUIYisualExaminationofComponentSupports i
f R E v isioN REvtsiCN DESCRIPTION l
Nuust a Quality Related: YeS
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O Initial Issue 8609040345 860828 PDR ADOCK 05000498 0
PDR REVISION AUTHORIZ ATION R E VISION O
NUMBE P DATE 7 7_gg ISSU E D fi Ie PREPARED BY l
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STP 60 (5-80)
a HOUb104 LIGH76NG & POWER COMPANY rL-P SOUTH TEX AS PROJECT PROCEDURE MANUAL i
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SUMMARY
OF REVISIONS l
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Ouality Related: Yes REVISION DESCRIPTION I,
O Initial Issue 8609040345 860828 PDR ADOCK 05000498 O
PDR RE VISION AUTHOFtlZ ATION R E V;SION NUMBEP O
DATE 7 7_gg issvEo
',R E P A R E Dhie file CZ p?g7i act STP 60 (5 30)
HLap essed 2-asi NUMBER REV.
l SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
l OEP-9.050 0
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OPERATIONS ENGINEERING PROCEDURE PAGE OF t
e VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 2
22 EFFECTIVE DATE 7-7-86 IE
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TABLE OF CONTENTS l
Page
't 1.0 PURPOSE................................................ 3 2.0 SCOPE..................................................
3 3.0 DEFINITIONS............................................
3
4.0 REFERENCES
3 5.0 RESPONSIBILITY......................................... 4 6.0 RE QU I RE M E N TS........................................... 5 6.1 PERSONNEL QUALIFICATIONS............................... 5 6.2 EQUIPMENT..............................................
5
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6.3 C LE A NL I N E S S............................................ 6 6.4 EXAMINATION BOUNDARIE S................................. 6 6.5 E XAM I N AT ION PRE REQU I S ITE S..............................
7 6.6 EXAMINATION CRITERIA................................... 8 6.7 EXAMINATION AND DATA RECORDING INSTRUCTION............
13 6.8 EVALUATION OF EXAMINATION FINDINGS....................
14 I
6.9 REEXAMINATION.........................................
14 6.10 POST HEATUP DAMAGE EXAMINATION........................
14 6.11 EVALUATION OF POST HEATUP DAMAGE......................
14 EXAMINATION FINDINGS 6.12 POST HEATUP DAMAGE REEXAMINATION....................... 15 6.13 AUGMENTED PRESERVICE INSPECTION.......................
15 SNUBBER EXAMINATION 7.0 RECORDS...............................................
15
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8.0 ATTACRMENTS............................................ 15 S3/ PROC 002/B2
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f SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION NO.
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PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT. SUPPORTS 3
22 EFFECTIVE DATE
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7-7-86 s
l 1.0 PURPOSE r
'I This procedure describes the visual examination criteria used to fulfill I
the requirements of the VT-3 examination for Preservice Inspection of component supports, as specified in the American Society of Mechanical Engineers - Boiler and Pressure Vessel (ASME B&PV) Code,Section XI, Divi-sion 1, Paragraph IWA-2213 and Subsections IWF and IWD.
t 2.0 SCOPE b
This procedure is applicable to the visual examination (VT-3) by certified personnel of supports for Safety Class 1, 2 and 3 pressure retaining components (vessels, piping systems, pumps, heat exchangers, valves, etc.).
In addition, it applies to Class 3 integral attachments to the pressure boundary. This procedure may also be utilized by non-certified personnel to perform non-code required visual examinations, similar to the VT-3 examinations, on safety and non-safety related component supports.
The South Texas Project Preservice Inspection Component Support Examination Plan identifies those supports which are required to be examined utilizing this VT-3 procedure.
It further establishes the specific application of this procedure and relative scheduling of the examinations.
3.0 DEFINITIONS 3.1 Relevant Condition - A condition discovered during the examination which requires further evaluation by Level II or III personnel for acceptability and resolution.
4.0 REFERENCES
4.1 ASME B&PV Code,Section XI, Rules For Inservice Inspection Of Nuclear Power Plant Components, 1980 Edition through Winter 1981 Addenda (referenced as ' Code' throughout text).
k S3/ PROC 002/B2
1 1
, HL&O 668th12 85p NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE
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PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 4
22
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EFFECTIVE DATE 7-7-86 4.2 ANSI - N45.2.6, Qualifications of Inspection, Examination and Testing Personnel for Nuclear Facilities, 1978 Edition.
4.3 Bechtel Pipe Support Field Fabrication and Installation Specification SL340JS1002, latest revision.
4.4 NPSI Catalog-81, Piping and Equipment Supports.
4.5 Letter from NRC Assistant Director of Licensing (Robert C. Tedesco) to Houston Lighting & Power, dated October 17, 1980.
Subject:
Preservice Inspection and Testing of Snubbers. Document No.
ST-AE-HL-608.
4.6 OEP-9.04Q - Personnel Certification Procedure for Visual Examination Per ASME B&PV Code,Section XI.
4.7 OEP-9.06Q - VT-4 Visual Examination of Component Supports.
5.0 RESPONSIBILITY 5.1 LEVEL I, VT-3 EXAMINATION PERSONNEL Responsible for the performance of system walkdowns, determination of accessibility, requesting insulation removal (where applicable),
examination of applicable component supports and documentation of findings on the VT-3 Examination Recording Form (Attachment OEP-9.05Q-05). Level I Personnel shall submit the examination results to and work under the direct supervision of Level II or III Visual Examination Personnel.
j 5.2 LEVEL II, VT-3 EXAMINATION PERSONNEL In addition to performing any Level I function, Level II personnel are responsible for training, overseeing and supervising the functions of Level I personnel.
Further, the Level II is responsible for reviewing the Examination Recording Forms, evaluating the relevant conditions recorded and determining and reporting potential deficiencies to the l
appropriate personnel, j
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1 S3/ PROC 002/B2 e
1i
HL&P 8889(12-85)
NUMBER REV.
t SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
h OEP-9.05Q 0
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OPERATIONS ENGINEERING PROCEDURE i
VI-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE 5
OF 22 EFFECTIVE
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7-7-86 DATE
-l 5.3 LEVEL III, VT-3 PERSONNEL Responsible for evaluating the adequacy of'the training program for qualifying and certifying personnel as Level I or 11 VT-3 examination personnel. The Level III may perform Level I and II functions. The HL&P Level III shall be the final arbiter for the application or f
interpretation of this procedure as well as the evaluation of examination results.
l 6.0 REQUIREMENTS 1
6.1 PERSONNEL QUALIFICATIONS Personnel performing Code required visual examinations per this procedure shall be certified in accordance with Reference 4.6.
Examiners shall be able to read support design, isometric and component drawings and shall be able to use measuring equipment and optical aids.
6.2 EQUIPMENT 6.2.1 Measuring Equipment Although the use of measuring equipment is not necessary for each examination, scales, angle readers, probes, rulers, feeler gauges, plumb bobs, protractors or weld gages may be necessary to specifically measure clearances, misalignment, or weld size.
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6.2.2 Equipment Certification Certification / calibration of equipment identified in this procedure is not required.
6.2.3 Illumination Li hting shall be sufficient to resolve a 1/32 inch or finer i
bl k line on an 18% neutral, gray card. Failure to meet ti requirement demonstrates the need for supplemental lighting such as flashlights or floodlights, k.
s3/ PROC 002/B2
HL4P 668312-8h NUMBER REV' SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE T-VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE OF 6
22
,l EFFECTIVE DATE 7-7-86 6.2.4 Optical Aids Optical aids may be used when performing the examination directly (within 24 inches of the surface) or remotely (beyond 24 inches).
It is desirable to perform a direct examination (whenever practical) or to be as close to the component support as possible. Examples of direct and i
remote optical aids are as follows:
Direct Examination - Mirrors, magnifying glasses, etc.
Remote Examination - T.V. camera / monitor, binoculars, borescopes, etc.
6.3 CLEANLINESS The items to be examined shall be free of dirt, contaminants or other debris that could interfere with the visual examination process.
6.4 EXAMINATION BOUNDARIES The boundaries for the VT-3 visual examination of component supports l
extend from the component (see 6.4.1, 6.4.3 and 6.4.4) to the building structure (see 6.4.2 below). Material to be examined is listed in the Bill of Material of the pipe support or component drawing.
6.4.1 The attachment portions of intervening element (s) must be visually examined to the requirements of VT-3.
This shall include the attachment portion of intervening element to the pressure retaining components, as well as the attachment to the support.
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6.4.2 The building structure is considered the concrete floor or
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wall, overhead building structural beam, building column, or floor, wall or ceiling embeds. See Attachment OSP-9.05Q-01 i
for typical illustrations of connections to the building structure.
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S3/ PROC 002/B2
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-l HLAP 6689i12 85)
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC CENERATING STATION NO.
OEP-9.050 0
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OPERATIONS ENGINEERING PROCEDURE VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE OF 7
22 EFFECTIVE DATE 7-7-86
'l 6.4.3 The examination boundary at the attachment to an uninsulated component ends at the wald* (intergral attachment) or point of contact with the component surface (non-integral attachment).
a 6.4.4 The examination boundary at the attachment to an insulated component ends at the insulation surface (see Attachment OEP-9.05Q-02, items 4, 5, 6).
The following exceptions, however, apply:
.i I
a.
Class 3 integral attachments since the examination boundary includes the weld to the component (see Attachment OEP-9.05Q-02, items 1 and 2).
b.
Class 1 or 2 integral attachments where a non pressure retaining weld or bolted connection lies beneath the insulation (see Attachment OEP-9.05Q-02, items 1 and 2).
c.
Class 1, 2 or 3 anubber clamps (see Attachment
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OEP-9.05Q-02, item 3).
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d.
Class 1, 2 or 3 strut clamps, unless carrying the dead weight pipe load. (see Attachment OEP-9.05Q-02, item 3).
e.
Other Class 1, 2 and 3 restraint type supports where the restraint is in tension.
6.5 EXAMINATION PREREQUISITES 6.5.1 Obtain the list of specific supports which require VT-3 examination.
6.5.2 Obtain the latest revision of the component support drawings and the latest copies of all outstanding change notices which apply to the subject supports.
6.5.3 Verify if scaffolding, ladders or supplemental lighting are necessary and available to perform the examinations.
- Visual examination of Class 3 integral attachments include the weld to the component.
S3/ PROC 002/B2 1
HL&P 66831&$$p NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE T
VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE OF 8
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EFFECTIVE DATE 7-7-86 6.5.4 Obtain the necessary measuring equipment, optical aids and supplemental lighting to perform the examinations.
6.5.5 Adhere to all HL&P safety procedures while performing all VT-3 examinations.
6.6 EXAMINATION CRITERIA To satisfy the Code requirements, each non-exempt component support selected for examination, shall be VT-3 examined to determine its general mechanical and structural condition. The visual examiner shall identify and document on the VT-3 Examination Recording Form (Attachment OEP-9.05Q-05), all conditions which deviate from the criteria described in this section or the applicable design drawing.
The form shall then be sent to a Level II or Level III for review, evaluation and disposition.
6.6.1 General Configuration and Material Conditions The following requirements pertain to all items and components (as applicable) listed in paragraphs 6.6.2 through 6.6.7.
- a.
The general configuration is in accordance with the j
design drawing.
1 b.
The support is not performing any function other than supporting or restraining the intended component, as specified by the design drawing.
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c.
There are no obvious missing materials or parts.
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1 d.
There is no evidence of corrosion / erosion resulting in i
significant loss of metal or unusual contaminants such as boric acid on ferritic materials.
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S3/ PROC 002/B2 L
MLS7 868912-85)
NUMBER REV.
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SOUTH TEXAS PROJECT ELECTRIC CENERATING STATION N O.
OEP-9.05Q 0
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OPERATIONS ENGINEERING PROCEDURE il-(-
VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE 9 OF 22 EFFECTIVE
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DATE 7-7-86 e.
There are no signs of wear, especially in areas where
- )-
j movement occurs.
f.
There is no obvious physical damage (material hanging I
loose, bent, cracked, distressed, misaligned, etc.)
g.
Frictionless pads are in place, secure, unpainted, appear lubricated and not deteriorated.
i 6.6.2 Welds a.
There are no visible cracks.
b.
If corrosion with metal loss is evident, a measurement of the weld or base material shall be taken and compared to the design drawing and evaluated as necessary.
'I 6.6.3 Bolted or Mechanical Connections a.
Nuts, bolts and bolted connection locking devices are in place and firmly seated against the connecting part and hand tight.
b.
Friction clamps are tight on the components such that no play exists and there are no signs of clamp slippage along pipe.
c.
Retaining devices (cotter pins, retainer rings, etc.)
are correctly installed in shear load bearing pins.
d.
A locking method is provided on all threaded connections, excluding concrete fasteners. Acceptable locking methods include lock nuts, jam nuts, thread staking or lockwire, Full thread engagement shall be a minimum of one e.
complete thread beyond the nut.
Jam nuts must be fully engaged. The threads must be detectable in mechanical connections employing thread sight holes.
If heavy hex head locknuts are used, 50% engagement is required.
f.
Pipe clamp spacers are in place.
k S3/ PROC 002/B2
ML&P 668 412-8SI NUMBER REi-SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE N.
PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 10 22
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EFFECTIVE DATE 7-7-86 6.6.4 Base Plate Connections a.
There are no visible signs of cracks or spalling in concrete around anchors.
b.
There is no visible play or gaps between fasteners (ie, washers, nuts, bolts or bolt heads) and the base plate or structural members such as channel or angle iron.
There is no visible play or gaps between the base plate 1
or structural member and the concrete other than those caused by surface irregularities of the concrete.
i c.
Assure base plates are not submerged in water unless specifically designed for a water environment.
6.6.5 Clearance Determination
- a.
Swing Angles (see Attachment OEP-9.05Q-03) of snubbers, Struts and Rod Hangers 1
1.
Verify that binding (in the binding direction) of 4/
paddles has not, and appears will not, occur at either the pipe attachment or structural attachment end.
l 2.
Verify that the swing angle (in the non-binding d
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direction) appears to be within +4 of the design angle shown on the component support drawing.
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S3/ PROC 002/B2
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HL&P 8689(12-85)
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION NO.
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OPERATIONS ENGINEERING PROCEDURE
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VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE OF 11 22 EFFECTIVE
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DATE 7-7-86
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I.
-t b.
Restraint Gaps
.f For component supports designed to restrict component movement (box guides, U-bolts, and U-straps), verify that the total gap is greater than 0",
i.e. daylight
(" total gap" is the combination of two opposite sides).
c.
Non-restraint Gaps 8
For component supports designed not to restrict compon-ent movement, verify that approximately 1/2" exists between where the component would contact the component support or any other structure.
d.
Interferences (see Attachment OEP-9.05Q-03)
Contact with surrounding equipment, structures, piping, etc. has not/will not occur, by observing approximately 1/2" clearance completely around the subject component i
support.
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6.6.6 Snubbers (Mechanical and Hydraulic) and Struts
- a.
Snubbers 1.
This VT-3 examination procedure confirms the general mechanical an1 structural condition of the snubber attachments f rom the snubber unit to the component and to the building structure (i.e. pipe clamp, extension piece, auxiliary steel, and building attachment).
2.
Examinations to confirm the structural condition and mechanical operation of the snubber unit will be conducted under the VT-4 Examination Procedure l
No. OEP-9.06Q.
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k S3/ PROC 002/B2
, ML&P 6681k12-85)
NUMBER REV' SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 12 22 EFFECTIVE DATE 7,7_gg
- 3.
Verify that bolts on the bolted connections between mechanical snubbers and their extension pieces or fixed end paddle (as applicable) are fully engaged (see Attachment OEP-9.05Q-04).
- 4.
Verify that the bolt locking device is installed.
dyna / damp anubbers incorporate a locking wire at the extension piece.
i
- b.
Struts and Snubbers
- l.
Verify that the ball of the swivel ball bushing is free to move and degradation is not evident.
Verify that the swivel ball bushings located at the paddle ends of struts and snubbers are aligned and in their proper position within the paddle (i.e. spacer washers as required).
- 2.
As applicable, verify that threads are detectable i-in sight holes of strut / snubber extension hardware.
6.6.7 Variable Supports a.
This VT-3 Examination Procedure confirms the general mechanical and structural condition of the spring
(
support attachment hardware only (i.e. pipe clamp, building attachments, rods). Examinations to confirm the structural condition and mechanical operation of the spring can itself will be conducted under the VT-4 Examination Procedure No. OEP-9.06Q.
b.
Verify proper locking and thread engagement of turnbuckles and rods attached to the spring housing.
I c.
Verify cotter pins or retaining devices are correctly installed on shear load pins.
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ML&P 6689112-B5)
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N o.
i OEP-9.050 0
I OPERATIONS ENGINEERING PROCEDURE h, (-
PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 13 22 EFFECTIVE DATE 5
7-7-86 i
6.7 EXAMINATION AND DATA RECORDING INSTRUCTIONS
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Conditions listed in Section 6.6, which are found during the VT-3 examinations, shall be noted on VT-3 Examination Recording Form. Any relevant condition shall be clearly addressed on the form.
Each examination shall be documented by including the appropriate information and examination results in the spaces provided on the Examination Recording Form as follows:
i 6.7.1 Fill in the reference information requested in Part A as applicable; if not applicable, enter N/A in the appropriate space.
6.7.2 Record type of optical aids or measuring equipment used in Part B; if not used, enter N/A in that space.
6.7.3 If support does not incorporate snubbers or variable springs then record "no
in Part B; if the support does then check
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"yes", and a VT-4 Examination Recording Form will be needed in addition to the VT-3 Examination Recording Form.
6.7.4 Gene 4al Cou iguration; record " acceptable" or " relevant" in r
Part C to indicate if the as-found condition is acceptable or not.
If a relevant condition is recorded, use the space labeled " remarks" to describe the condition. A sketch showing the location of the condition is advised.
If additional remarks or sketches are needed to clearly depict the condition, use additional sheets and attach them to the examination form. Photographs could also be used to help depict or size the condition.
6.7.5 Directions for completing the remaining items of Part C are the same as those provided for " general configuration" above. For those items that do not apply, check N/A.
a.
Welds b.
Bolted Connections c.
Base Plate Connections d.
Clearance Determination e.
Snubbers, Struts and Variable Supports t
S3/ PROC 002/B2 i
HL&D 668Q12Oh NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE 14 OF 22 EFFECTIVE
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DATE 7-7-86 6.7.6 Miscellaneous conditions are those which are not listed on the report form, but may need to be examined and recorded in Part C.
6.8 EVALUATION OF EXAMINATION FINDINGS If any relevant conditions are noted on the Examination Recording Form, Level II or III personnel shall review, evaluate and disposition the finding.
If the condition is not acceptable as is, a recommended resolution shall be provided and appropriate parties notified via a Potential Deficiency Notification (PDN) to effect condition correction. Complete Part D of the Examination Recording Form.
j 6.9 REEXAMINATION 6.9.1 If support designs are modified / revised subsequent to examinations, a review of the content of the support revision shall be conducted.
If the revision affects any attribute of the original examination, that attribute shall be examined utilizing a new Examination Recording Form.
6.9.2 For reexamination of corrections to relevant conditions found during initial examinations, Part E of the original Examination Recording Form will be completed upon reexamination of the corrected condition.
6.10 POST HEAIUP DAMAGE EXAMINATION As noted in the PSI examination plan for component supports, those supports affected by the thermal expansion of system heatup during preoperational and initial Startup testing will require an additional examination. This examination will be limited to those conditions related to support damage resulting from the subject thermal movement.
The examination may be conducted subsequent to cooldown. Examination i
findings shall be noted on the Examination Recording Form, Part F.
If I
the support is not affected by system heatup, indicate N/A for Part F.
4 6.11 EVALUATION OF POST HEATUP DAMAGE EXAMINATION FINDINGS I
If any relevant conditions are noted on the Examination Recording Form Part F, Level II or III personnel shall review, evaluate and disposition the finding.
If the condition is not acceptable as is, a g
recommended resolution shall be provided and appropriate parties j
notified via a Potential Deficiency Notification (PDN) to effect condition correction. Complete Part G of the Examination Recording I
Form.
S3/ PROC 002/B2 I
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i HLAP 8689112-86:
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION NO.
'f OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE gi.(.'
EFFECTIVE VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE 15 OF 22 j
DATE 7-7-86 j
6.12 POST HEATUP DAMAGE REEXAMINATION For reexamination of corrections to relevant conditions found during post heatup damage e.~aminations, Part H of the original Examination Recording Form will be completed upon reexamination of the corrected condition.
6.13 AUGMENTED PRESERVICE INSPECTION - SNUBBER EXAMINATION t
Portions of this procedure can be used to satify some requirements of the NRC augmented PSI directive for snubbers (reference 4.5).
Only those procedure steps with an asterisk (*) need to be performed to satisfy those requirements.
7.0 RECORDS Upon successful completion of the examination program, all applicable examination documents shall be forwarded to STPEGS Records Management System for permanant retention.
C.
8.0 ATTACHMENTS OEP-9.05Q-01.
Typical Building Structural Attachments OEP-9.05Q-02.
Typical Examination Boundaries for Insulated Componen:s OEP-9.05Q-03.
Rod Hangers, Rigid Strut and Snubber Swing Angle / Clearance Observation OEP-9.05Q-04.
Thread Engagement Requirements for Snubber Forward Brackets and Extension Pieces OEP-9.05Q-03.
VT-3 Examination Recordings Form for Component Supports k
S3/ PROC 002/B2
HL4P 664R12 851 NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 16 22 EFFECTIVE DATE 7-7-86 ATTACHMENT OEP-9.050-01 i
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t OPERATIONS ENGINEERING PROCEDURE PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 77 22 l
EFFECTIVE DATE 7-7-86 i
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!j ATTACHMENT OEP-9.050-02
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ML&P 668912-85)
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE 1
VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS PAGE gg OF 22
)
EFFECTIVE DATE 7-7-86 ATTACHMENT OEP-9.050-03 ROD HANGER, RIGID STRUT, AND SNUBBER SWING ANGLE CLEARANCE OBSERVATION Examine the support attachment points. Verify that the swing angle of the support does not inhibit free motion of the support. Assure that the swivel ball bushing (if applicable) ends are not binding and the paddle ends of the support are not in contact with the structural attachment or pipe attachment.
PADDLE TYPICAL STRUCTURAL y
OR PIPE ATTACHMENT SPACE WASHER
' ]
(IF APPLICABLE)
CHECK FOR BINDING g
y f
SWlVEL BALL BUSHING I
l l
]
I I
y I
I I
I I
I I
l I
[
1/2" INTERFERENCE I
CLEARANCE -
e N
I l
l' l j
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l I
l I
I I
g j
'34 f
ALLOWABLE INSTALLATION ANGLE 8
s<
(SWING ANGLE) gJ l 1 l
l l 7 i
b I.G, s 11,'
'l y '
I I
l i
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S3/ PROC 002/B2 l
ML&P 6689t12 856
~~
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION NO[
k OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE h '(
PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS gg 22 EFFECTIVE DATE 7,
gg
.I
,1 ATTACHMENT OEP-9.05Q-04 1
THREAD ENCACEMENT REQUIREMENTS FOR SNUBBER FORWARD f
BRACKETS AND EXTENSION PIECES, SIZES 41 THRU 1601 i
1 ll
.- A -.
8(ma,x )
L,(min)
BOLT I
9 eM
}
i THREADED BOLTING FLANGE m WITH SNUBBER w
h FLANGE WITH FCWARD BRACKET OR EXTENSION PIECE
_- -.w-L g= Length of engagement PODEL "A"fref)
Le "B"'naxi L
A0-41, A0-71
.375
.131
.244 l
AC-151
.525
.175
.450 a0-501
.750
.366.
.384 A0-1601
.637
.595
.092 Note: All dimensicns are in inenes.
1 S3/ PROC 002/B2
. HL&P 668N12 85)
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION
" '[
NO OEP-9.05Q 0
OPERATIONS ENGINEERING PROCEDURE PAGE VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 20 OF 22 EFFECTIVE DATE 7-7-86 ATTACHMENT OEP-9.05Q-05 Page 1 of 3 Fese 1 of 3 SOUTE TEEAS FatMECT ELBCTRIC CE ENATING STATION 3003105 LIN TIN 6 FOUER C WFANT FaggERTICE As tenzeTICE INSFBCTION TT-3 EIANIEATION RECORDIEC FORM Frut Ct3WOWENT SUFFORTS l
This esamination is perfoered seleg OEP-9.054 Eav to satisfyt FSI AOC FSI ISI leitial Baezas.
leitial Baesse.
FART A - REFERENCES (procedure ref. 6.7.1)
Systeet A
support IK E mber Esse Dates V6 Systee Lien ember ((f icable):
Rev.:
Isaastric B e r a
Rev.s Support Drawing Neber:V[//m Change Doc mest(s) 6 Eav.s No.:
Eav.
No.
f i
50.
' "/) Rev.I No.I Rev.I Bo.
(
No.
Rev.3 FAIT S - stISC.M p edere ref. 6.7.2, 6.7.3, 6.7.5, 6.7.6)
Optical Aids / Measuring Equipesst Used: M.
(
) N/A Is TT-4 Applicable to this Support? (V F e
(
) no If yes, attach TT-4 Esmeiention Bacordios FART C - EIANINATIONS (pr ref. 6.7.4, 6.7.5, 6.7.6)
General Confinurations 1sf. 6.6.1 Coeditions Coedition Noted Cendi Coeditiou Boted g Esamles For Acceptable Ralesamt To Exami
_ Acceptable Relevant Y
- Conforms to Physical Drawing Loose Parts Support Fusetice Crocks
)l 4
Missing Mtr1./ Farts Best Parts 1
Corrosion / Erosion Misaligament V/V/
Wear Frictics Fade V
/O Welds: Raf. 6.6.2 5/A W
Cracks Corrosion V//
solted Comasetions: Raf. 6.6.3 N/A moto/ Bolts Tight Imeking Device Friction Clampo Tight Thread Engagement l
Bataining Device Pipe Claap Spacers Base Plate Connectiones Raf. 6.6.4 N/A Concrete Coedition Base Plate to Bolt /But to Base Concrete Plate Base Plate i
1 Submerged Support E Number 05C012A (7-86)
S3/PROCdO2/B2 i
l
HLSP 668412 831 NUMBER REV.
J SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION NO.
.f OEP-9.050 0
I OPERATIONS ENGINEERING PROCEDURE AGE OF VT-3 VISUAL EXAMINAT10N OF COMPONENT SUPPORTS 21 22
-h k
}
EFFECTIVE DATE g
=l I
ATTACHMENT OEP-9.050-05 q
,i Fage 2 of 3
- l SOUIE TEIAS FatLTECT ELECTRIC CENERATIE STATION B008105 LIGETING & F0WER CIBIFANT FRESERVICE AB INSERVIG INSFECTION TT-3 IIANINATION EBCDEDIE FORM FOR CtBIPOWERT SUPPORTS
.(
)
FART C (continued)
Sapport a number:
~ Clearance Determinatinat Raf. 6.6.5 N/A Conditions condition Boted Conditions Coadition Notd To Examine For Ac estable Relevant To Examine For Acceptable Relevant
- Swing Angle A
Boerestraint Gape Restraint Gaps MB
- Interferences Saubbers. Strate, and Me Supportet Raf. 6.6.6, 6.6.7 N/A Conditions Cots #ffee poted Conditions Condition Noted To Es mine For Accept A5tVA televant To u.
t yor Acceptable selevant
. 5
- Thread Engagement
- Spacers Installed
- Locking Device A
- Estalaims Device
(
- 5all Bushing:
Ball Bushing V
- Emanimation conditions applicable to Au PSI Miscellaneoust M
O Remarks:
Cert.
Ex miner Invel te
{-..2 FART D - ITALDATION OF IIANIEATION FIM IEGS (prot.vd r
6.8)
O Relevant Condition poted
(
) yes
(
) no Supplemmatal des./Fbotograph Attachedt ( ) yes
( ) no Belevant Conditions Recommended Resolution FD5 Wumbe 3.
k' Esaminer 149e1 11 or III Date Support m lhmber:
050012s (7-86)
S3/ PROC 002/B2
ML&9 6629112 99)
NUMBER REV.
SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION N O.
OEP-9.050 0
OPERATIONS ENGINEERING PROCEDURE PAGE OF VT-3 VISUAL EXAMINATION OF COMPONENT SUPPORTS 22 22 EFFECTIVE DATE 7-7-86 ATTACHMENT OEP-9.050-05 Page 3 of 3 Fege 3 of 3 SCUM TEIAS FEtMECf IIACTRIC GENERATIEC STATION B005T W LICETIES & FORER CERIFAET FMSERVICE Am IEEERTIG INSFECTION VT-3 EIANIEATION IECORDIES 70W FOR CGIFOREPYT SUFF0ETS PART E - mERTMEATION (procedere ref. 6.9)
(
) N/A Suppert M Wunber Condities Reesamined and Condition Acceptable Cert.
Eameiner Love,1 Date
/A s<ss F
EEATUF DealAGE ETMEATION (procedere ref. 6.10)
(
l s/A l
Conditions Deedition Boted To Examine For able Relevant Best Parte Creeks
//
Misa11summet M
Esse Plate to comereta D
Other Conditions:
Easerks:
Cert.
Eaminer Imvel Date
"/A/A
-1 FART C - ITALUATION OF FOST EEATUF Dead &GE ETMMA INGS (procedure ref.6.11)
(
) s/A t/
l l
Belevant Coeditions Reconseded Eseolution Ember i
o i
1.
j 2.
t j
l 1
3.
f I
Raamlaer Level II or III Date V//
i FART E - FOST ERANP Deales mEzIMEATIQB (pyggedggg ggf 6.12)
(
) N/A Coedition Reesamined and Coedition Acceptable Cert.
I Esminer Level Date i
1
)
I t,
j Support M Numbers 050012c (7-86)
S3/ PROC 002/B2 l
i
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