ML20210D012
ML20210D012 | |
Person / Time | |
---|---|
Site: | Comanche Peak |
Issue date: | 12/31/1986 |
From: | EBASCO SERVICES, INC. |
To: | |
Shared Package | |
ML20210C645 | List:
|
References | |
TE-FVM-CS-048, TE-FVM-CS-48, NUDOCS 8705060400 | |
Download: ML20210D012 (13) | |
Text
l TEXAS UTILITIES GENERATING COMPANY ENGINEERING COMANCHE PEAK STEAM ELECTRIC STATION UNIT 1 .
\
RECEIVED FIELD VERIFICATION METHOD UNIT 1 CABLE TRAY M !2 7 SELECTED ATTRIBUTES AS-BUILT PROGRAM J P PADALINO 1 ,
l EBASCO SERVICES, INC.
TE-FVM-CS-048 REVISION O CPSES '"4< !
DECEMBER 31, 1986 05
.. CONTROL
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COPY h CDh RESPONSIBLE ENGINEER 8/f it C*
DATE / 87 APPROVED BY (EDASCO) 4 (6 DATE Ml7 APPROVEDBY(TE)[I / DATE ///r h-7 TUGCO QA CONCURRENCE /A 8 t-DATE /
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TUGCO Engineering TI-FVM-CS-048, Rev.0 December 31, 1986 Page i
. FIELD VERIFICATION METHOD UNIT 1 CABLE TRAY SELECTED ATTRIBUTES AS-BUILT PROGRAM TABLE OF CONTENTS SECTION TITLE PAGE NO.
1.0 REFERENCES
. 1 2.0 GENERAL 1 2.1 PURPOSE AND SCOPE 1 2.2 RESPONSIBILITIES 2 2.3 ABBREVIATIONS AND ACRONYMS 2 2.4 DEFINITIONS 2 2.5 PREPARATION FOR WALKDOWN 4 2.6 SELECTED ATTRIBUTES TO BE VERIFIED 4 2.7 PREPARATION OF FINAL AS-BUILT SEETCHES 6 2.8 RECORDS 6 There are i pages of text and i pages of Tables and Attachments to this field verification method. ,
ATTACHMENT 1 SPLICE PLATE TABLE 7 ATTACHMENT 2. CABLE TRAY AND SPLICE CONNECTION
' RED-LINE EXAMPLE (2 Pages) 8-9 ATTACHMENT 3 CABLE TRAY TYPE IDENTIFICATION 10 ATTACHMENT 4 CABLE TRAY SUPPORT PLAN DRAWINGS 11 t _
TUGC0 Engineering TE-FVM-CS-048, Rev.0 December 31, 1986 Page 1 1.0 REFE'RENCES 1-A -
TE-DC-24 As-Built Package Preparation
. 1-B - TE-AD-4 Control of Engineering Documents 1-C -
Vendor Identification Drawinga
- a. T J Cope Po #0579
- b. Burndy Husky Po #0579A 2.0 GENER%L 2.1 PURPOSE AND SCOPE 2.1.1 PURPOSE The purpose of this procedure is to describe the responsibilities and tasks of the Unit 1 Cable Tray Selected Attributes Walkdown Group. This procedure describes the method and sequence for the l7 performance and documentation of the field verification.
_ 2.1.2 SCOPE The scope of this procedure encompasses all of Unit 1 designated tray and supports. The intent being to gather sufficient information to enable the qualification of splice plates by testing and/or calculation. Although this scope covers the whole of Unit 1, the gathering of information shall cease when DVG has sufficient information in their possession to initiate splice plate qualification. The specific attributes to be walked down are as follows:
A. Classification of hinged fittings.
D. Attachments to cable tray from other systems.
C. The type of splice plates used on tray connections.
D. Measure gaps between tray segments.
E. Identify tray type and vendor.
(
l
TU0C0 Engineering O TI-FVM-CS-048 Rev.0 December 31, 1986 Page 2 2.2 RISPONSIBILITIEE TUGCO has delegated overall program responsibility to the IBASCO l Insineering Manager. The IBASCO Engineering Manager has delegated the implementation of the progras described by this procedure to the IBASCO Supervising Engineer.
Where specific individuals are designated by title in this procedure, it shall be understood that they any delegate a designee to act in that capacity.
2.3 ABBREVIATIONS AND ACRONYME CAD - Computer Aided Drafting CMC - Component Modification Card CTH - Cable Tray Hanser DCC -
Document Control Center DVO Design Verification. Group Q
INY -
IRASCO New York O&E - For*0ffice and Engineering Use Only '
PF0 -
Package Flow Group PPO -
Package Preparation Group SAO -
Special Analysis Group SRF - Spread Room Frame TL -
Thermolas 2.4 DEFINITIONS l "As-Built" - in the context of this procedure,
) this is a field generated sketch having certain specified attributes
. which reflect the actual installed condition while the remainder of the attributes continue to reflect the "as-designed" condition.
O l
TU0C0 Engineering TI-FVM-CS-048 Rev.0 December 31, 1983 1 page 3 i "As-Builting" - the process of acquiring information of the actual installed condition of certain specified attributes and reflecting this information on an "as-built" sketoh. r f P "As-Designed" - refers to a configuration shown on a !
specific drawing which reflects the intent of the engineer who designed i the specific support. The "as-designed" configuration represents a :
baseline configuration from which i the actual installed configuration l can deviate within prescribed, !
acceptable (by engineering) !
tolerance and/or component i substitutions.
Final "As-Built" - drawings issued by engineering after j design verification and completion -
of required modifications. j l
" Inaccessible" - attribute which cannot be measured or identified without physical !
removal of any portion of the cable l tray, fire protection cover and/or ;
relocation of adjacent hardware. i "043 8 tamped" - indicates a document which is issued for " office and Engineering Use j only".
t
. " Red-Line" - is the marked up "as-designed" i drawing which refloote "as-butit" l conditions in the field.
)
" standard cable - cable tray standard catalog fittings ;
Tray Fitting" in 30 degree, 48 degree, 40 degree, !
O and 90 degree increments (verticai and horisontal).
l
TUGCO Insineerins
/
f~ TI-FVM-C5-048, Rev.0 i
December 31, 1988 Page 4 j "Walkdown Insineer" - individuals approved to generate
- and/or mark-up drawings, coordinate.
check and document field l *
- verification and/or modification
! activities.
l 2.5 PREPARATION FOR WALMDOWN i
) 2.5.1 The Walkdown Group Supervisor shall initiate and coordinate the walkdown, prepare the work packages, and develop the required sketches and engineering data required by this procedure. The ,
work packages shall be prepared utilizing the following
- documents:
A. Copies of Unit I Cable Tray Hanser Span Length Drawings l (11x17) shall be utilised by the Walkdown Engineer to record ;
] splice plate types, saps and other verifiable attributes j i outlined in this procedure. ;
i l
S. Cable tray support plan drawings. (see Attachment 4)
(For Information) j C. Additional documents - to be added by the Walkdown Group i j Supervisor in order to facilitate "as-builting".
I i 2.5.2 The Walkdown Group Supervisor shall ensure that work permits (if
) required) are obtained for the walkdown and scaffolding is l provided.
2.6 SILICTED ATTRIBUTIE TO RI VIRIFIED l
l The Walkdown Engineer shall red-line the required attributes on l a copy of Unit I CTH span Length Sketches and/or separate
! attachments. After the red-line process is complete, the l Walkdown Engineers will sign and date the copy of the red-line l sketch. The Unit 1 span mark-up shall end by including the l first, Unit 2 CTH encountered in a tray run as applicable.
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TUGC0 Insineerins
! [~ . TE-FVM-C5-048, Rev.0 '
December 31, 1986 page 5 2.6.1 Field Fabricated Fittines
. Field fabricated fittings shall have their approximate location redlined on the marked up sketch.
2 2.6.2 Hinded Connections !
Record hinged connections between CTH's and indicate if l permanently secured twelded, bolted or pinned).
2.6.3 Identification of Tray True j The Walkdown Engineer,shall identify the cable tray type, i.e.
J Cope Ladder Tray, Cope Solid Botton Tray, Burndy Husky Ladder Tray, and Burndy Husky Solid Botton Tray. The tray designator i will be added to the sketch per Attachment 3.
I 2.6.4 Solice Tray connections The walkdown Engineer shall identify the type of splice plates used on tray connections and record on the span length sketch
- using unique identifiers relating to CTM-1-5LSA-0001. (See Attachment 2) ,
These splices will be tabulated on an attachment to redline (
(See Attachment 1) l 2.6.5 other Attachments
- Attachments to cable tray from other systems, i.e. conduit bolted to tray shall be recorded on the sketch. ,
2.6.6 Solice Plate Configuration 1
i Length; flange width, etc., will be measured in accordance with ;
, CTH-1-SL8A-0001 (Unit Il j
2.6.7 Tray can at antice connection -
i The side rail and bottom flanges shall be used to measure I maximum gap between two trays except in cases where cable obscures whole or part of the side rail. In this case gap is j ()
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measured at bottom flange only. cap is identified as "0" in the table (See Attachment 1) l i
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TUGCO Engineering TE-FVM-CS-048, Rev.0 December 31, 1986 page 6 2.7 PREPARATION OF FINAL AS-BUILT SKETCHES 2.7.1 After completion of the as-built walkdown, the red-line Information shall be transferred from the field sketch copy to its corresponding CTH span length drawing. Each dimension
- and/or attribute shall be checked for accurate transfer by the Walkdown Engineer. Separate attachments (11 X 17 Shts) required to complete the sketch package shall be appropriately identified-and remain with the work package.
A. The redlined Unit'l CTH span length sketches will reference general notes and splice plate detail on sketch CTH-1-SLSA-0001 (Unit 1).
Attachments to r'edlined CTH span length sketches will be numbered as follows:
CTH-1-SLSA-XXXX Sheet of .
2.8 RECORDS Copies of the completed and checked CTH span length' sketch redlines and any additional engineering data shall be transmitted, via written transmittal, to the Design Verification Group for analysis of the system and incorporation into the calculation package.
The Walkdown Group Supervisor shall transmit, via written transmittal to TE EA at the conclusion of the program, copies of the document package described in Sections 2.7.1 and 2.7.1.A of this procedure in accordance with Reference 1.0.1-A.
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TUGCO Engincoring TE-FVM-CS-048, Rav. O D:cOcber 31, 1986 Page 7 ATTACHMENT 1 SPLICE PLATE TABLE 18 l l 2 -
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Dscsabor 31, 1986 ATTACHMENT 2 Page 9 ;
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ATTACHMENT 3 CABLE TRAY TYPE IDENTIFICATION del &MT - -WlOTM
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