ML20136B392

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Rev 8 to Instruction QI-QP-11.3-40, Class 1E Electrical Post-Const Verification
ML20136B392
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 06/24/1983
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20136A539 List: ... further results
References
FOIA-85-59 QI-QP-11.3-40, NUDOCS 8601020575
Download: ML20136B392 (9)
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Text

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t3 INSTRUCTION l t

ISSUE MGE f REVIS!CN l CATE TEXAS UTfuTIES GENERAT1NG CO.

NUMSER CPSES i

QI-QP,11.3,40 8

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PREPARED BY

[h CLASS 1E ELECTRICAL CATE V

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APPROVED BY: /

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1.0 REFERENCES

1+A CPvQPell.3, " Electrical Inspection Activities" n h tiens" 128 QItQPv11.3226, " Electrical Cable Install 1+C CPMv9.1, " Control of Nonpeman it0 CPvQPyl8.0, " Inspection h 1.E CPvQPt16.0, "Nonconfomances" 2.0 GENERAL i

2.1 PURPOSE AND SCOPE 5 Ea w I U E la b7_

g gj This Quality Instruction supplements Reference 11A and is established to verify the adequacy of installed Class 1E equipment and systems at Comanche Peak Steam Electric Station.

3.0 INSTRUCTION The frequency of inspection efforts shall be as directed within this instruction, unless directed in writing otherwise, by the Quality Assurance / Quality Control Supervisor.

This instruction shall be perfomed upon completion of construction activities (i.e., room or area).

All Class 1E and nontclass 1E cable, raceway and equipment installations within the scope of Reference 1+A shall be inspected and documented in accordance with this Instruction.

A craft accompanied post, construction verification walkdown shall be conducted by the Electrical GC Inspectors to-detemine the status of items.

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f INSTRUCTION ISSUE FiEVISION PAGE TEXAS UT1UTIES GENERATING CO.

CMES QI,QP,11.3,40 8

2 of 9 M24E 4

Where cable tray, cable or other electrical equipment is covered or coated, the documentation initiated by the i

ori.ginal inspections shall be sufficient.

Discrepancies noted during the Post Construction Verification Walkdown shall be documented on Attachment 1.

1 After all discrepancies noted on Attachment I have been i

resolved, they shall be reinspected and documented on an Inspection Report, Attachment 2 and/or 3.

In addition, the QC Inspector shall attach the applfcable Post Construction l

Deficiency Report to the. Inspection Report.

If the discrepancie(s) still exist at the time of turnover the deffciency item shall be upgraded to a Nonconfonnance i

Report in accordance with Reference 1,E..

3.1 POST CONSTRUCTION VERIFICATION l

'3.1.1 Verify Cable Tray The QC Inspector shall perfons a visual inspection of all 4

raceways to ensure that the trays are free of damage. Damage inspections shall consist of, but are not limited to,.the following:

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a.

Cable tray shall be free of burrs,- rough edges, or foreign material.

b.

Damage to Galvanized surfaces is to be repaired by i

application.of Galvanox or sfallar approved product.

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c.

Proper workmanship has' prevailed to ensure overvall quality product free of surface damage, warpage, bent side rails, etc.

d.

All cable pulling aids have been.emoved (f.e., rollers fi sh tape, tape rope, etc. ).

t 3.1.2 Verify conduit The QC Inspector shall 'perfonn a visual inspection, to l

the maximum extent possible without disassembly, of conduit

' raceways to. ensure conduft is free from damage.

This inspection shall consist o f, but is not limited to, the following:

i a.

Conduit shall be free from bu rrs, rough edges or forefgn materials.

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. INSTRUCTION ISSUE REVISION PAGE TEXAS UTilJTIES GENERATING CO.

CPSES QI,QP,11.3,40 8

3 #9 2 4 1983 4

I b.

Conduit bends shall not show excessive flattening or Interruption of the smooth bore of the conduf t.

1 NOTE:

Excessive flattening is' defined as that amount i

of flattening which reduces the conduit outside j

diameter by 257,.

Damage to Galvanfied surfaces shall be repaired with c.

Galvanox or an engineering approved equal.

d.

Bushings, fittings, and hardware shall be in place and secure.

2 e.

All cable pulling aids have been removed (i.e. fish' tape, tape rope, etc.).

f.

Conduit cover, junction bo'x, pull box and termination box covers and gaskets have been installed.

l 3.1. 3 Verify Cable Installation The QC Inspector shall perfons a visual inspection of cable installations to ensure cables are free of damage.

This inspection shall consist of, but is not limited to, the following:

a.

Cables shall.be free from damage and debris.

b.

Cable bend radif have not been violated.

c.

Cables are trained and properly secured with cable ties.

d.

Power cable spacing has been maintained in accordance

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with Reference 1+B.

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Cable slack of 2 inch minimum is provided at transition points between cable tray sections at different elevations and at conduf t entries to cable trays and between category I structures.

f.

Cable installed in trays shall be below side rails.

3.1.4 Verify Equipment Installation The QC Inspector shall perfonn a visual' inspection to ensure that the installed equipment has not sustained damage and that i

good and proper workmanship has prevailed. This inspection i

i shall consist of, but is not limited to, the following:

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INSTRUCTION ISSUE REVISION PAGE NUMBER DATE TEXAS UTILITIES GENERATING CO.

CPSES QI QPt11.3-40 8

4 of 9 JUN 2 4. 583 a.

Equipment has sustained no visible physical damage.

l b.

Covers shall be installed and conditions of gasket materials have not dateriorated or sustained damage'.

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c.

Cables shall be properly trained, bundled and tied with tyrraps in a neat and orderly manner, d.

Conductor insulation free from damage.

e.

Teminal lugs at termination points tight and secure.

f.

Equipment is clean and free from debris.

g.

Equipment filters installed in vent openings where required by drawing.

h.

Non permanent conditions have been clearly marked in accordance with Reference itC.

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3.2 INTERNAL WIRING SEPARATION Separation behen field run redundant Class 1E cables and Class 1E/NontClass 1E cables within equipment shall be maintained in accordance with the equipment specification.

If the specification gives no separation requirements, the minimum separation distance between redundant Class 1E and Class 1E/Nontclass 1E cables shall be greater than or equal

' to 6 inches.

In cases where the above separation criteria cannot be maintained, barriers shall be installed between the cables.

Barriers used for separation will be as follows (See for typical. examples):

1.

Metallic conduit; including Servicair Company FC 33 flexible conduit.

l 2.

Two sheets of fire retardant material separated by a minimum of 1s" of air space or ther-nal insulating material.

3.

A ' single barrier with a 1" maintained air space or l

thermal insulating material between the ccmpenents or I

devices and the barrier.

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m INSTRUCTION ISSUE REVISION PAGE TEXAS UTILITIES GENERATING CO.

CPSES

)I+QP,11.340 8

M 2 4153 5 of 9 Redundant Class IE circuits shall enter in separate apertures and teminate on separate teminal blocks or connectors as shown on GaH design drawings.

Power supply feeds to instrument and control room distribu, tion panels shall be installed. in solid enclosed raceways as shoisi on GaH design drawngs. (Example: conduit)

The following cabinets have been analyzed and are exempt from the separation requirements; however, equipment that provides for channel or train separation shall be utilized when available.

Note:

TBX for Unit 1 and TCX for Unit 2.

NIS Cabinets TvXtNIELCA,01 (4 Cabinets)

Solid State Protection System T,X+ESELSPv01 (Logic & Output Cabinets only) l s

Solid State Protection System _.TvX,ESELTCv01 (Test Cabinets)

Upgrade Protection &

Surveillance T X,XIELSStSO t

Process Racks T,X,XIELRK,01 TtX,XIELRKt02 T,XvXIELRKt03 T,XvXIELRKv04 Protection channel

wiring, sa fetyrtrain __.wi ti ng, __.jin d _

i Non, safety train wiring within panels IPC1, IPC2, IPC3, 1PC4 will be in different wire bundles. These bundles will be separated to the maximum extent practicable.

3.3 00CIMENTATION Inspection Reports shall be processed in accordance with Reference irD.

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3.4 NONCONFORMANCES

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i Nonconfomances shall be documented and identified in accordance with Reference ivE.

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INSTRUCTION ISSUE REVISICN PAGE NUMSER DATE TEXAS UTluTIES GENERATING CQ.

CPSES QI-QP-11.3-40 8

JUN 2 41982 6 of 9 ATTACHMENT 1 7

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NUMBEF.

DATE TEXAS UTIUTIES GENERATING CO.

CPSES 8

JUN 2 4. ISB3 9 of 9 QI-QP-11.3-40 1

a ATTAQiPINT 4 s,

' Internal ' Secarations

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