ML20136B442

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Rev 11 to Instruction QI-QP-11.3-40, Class 1E Electrical Post-Const Verification
ML20136B442
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 09/14/1983
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20136A539 List: ... further results
References
FOIA-85-59 QI-QP-11.3-40, NUDOCS 8601020610
Download: ML20136B442 (9)
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j l REVISICN. l ISSUE l TEXAS UT11 mES GENERATING.CC.

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__ VERIEICATION APPROVED BY:

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1.0 REFERENCES

1-A CP-QP-11.3, " Electrical Inspection Activiti 1-8 QI-QP-11.3-26, " Electrical Cable aWon Inspections" 1-C CPM-9.1, " Control of Nonpe -- ^ ymterials" heWrt" 1-0 CP-QP-18.0,"Inspe 1-E CP-QP-16.0, "Nonconfonnances" 2.0 GENERAL 2.1 PURPOSE AND SCOPE This Quality Instruction supplements Reference 1-A and is established to verify the adequacy of installed Class IE 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 Assaunce/ Quality Control Supervisor.

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

All Class 1E and non-Class.1E cable, raceway and equipment installations within the scope of Reference 1-A shall be I

inspected and documented in accordance with this Instruction.

l A craft accompanied post construction verification walkdown l

shall be conducted by ~the Electrical QC Inspectors to determine the status of items.

Where cable tray, cable or other electrical equipment is covered or coated, the documentation initiated by the original inspections shall be sufficieni---

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ISSUE INSTRUCTION REVISION PAGE TEXAS UTILITIES GENERATING CO.

CNG 2 of 9 QI-QP-11.3-40 11 SEP 141983 Discrepancies noted during the Post Construction Verification Walkdown shall be documented on Attachment 1.

After all discrepancies noted on Attachment I have been resolved, they shall be reinspected and documented on an Inspection Report, Attachment 2 and/or 3.

In addition, the QC' Inspector shall attach the applicable Post Construction Deficiency Report to the Inspection Report.

If the discrepancie(s) still exist at the time of turnover the deficiency item shall be upgraded to a Nonconfonnance Report in accordance with Reference 1-E or as directed by the QC Supervisor.

NOTE:

Turnover is custody acceptance by TUGC0 Operations.

3.1 POST CONSTRUCTION VERIFICATION 3.1.1 Verify Cable Tray The QC Inspector shall perfom a visual inspection of all raceways to ensure that the trays are free of damage. Damage inspections shall consist of, but are not limited to, the following:

a.

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

b.

Damage to Galvanized surfaces is to be repaired by application of Galvanox or similar approved product.

c.

Proper workmanship has prevailed to ensure over-all quali ty product free of surface damage, warpage, bent side rails, etc.

d.

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

3.1.2 Verify Conduit The QC Inspector shall. perfom a vi sual inspection, to the maximum extent possible without disassembly, of conduit raceways to ensure conduit is free from damage.

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

a.

Conduit shall be free from burrs, rough edges or foreign materials.

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ISSUE INSTRUCTION REVISION PAGE NUMBER DATE TEXAS UT!UTIES GENERATING CO.

ES 3 f9 QI.QP.11,3 40 li SEP 14 1963 b.

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

NOTE:

Excessive flattening is defined as that amount of flattening which reduces the conduit outside dimeter by 255.

c.

Damage to Galvanized surfaces shall be repaired with Galvanox or an engineering approved equal.

d.

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

e.

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

f.

Conduit cover, junction box, pull box and termination box covers and gaskets have ~ been installed.

3.1. 3 Verify Cable Installation

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The QC Inspector shall perfom 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 radii have not been violated, c.

Cables are trained and properly secured with cable ties.

d.

Power cable spacing has been maintained in accordance l

with Reference 18.

e.

Cable slack of 2 inch minimum is provided at transition points between cable tray sections at different

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elevations and at conduit entries to cable trays and between category I structures.

f.

Cable installed in trays shall be below side. rail s.

3.1.4 Verify Equipment Installation The QC Inspector shall perfom a visual inspection to ensure that the installed equipment has not sustained damage and that good and proper workmanship has prevaileo. This inspectior shall consist of, but is not limited to, the following:

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QI.QP.11.3 40 11 SEP 141983 4 of 9 a.

Equipment has sustained no visible physical damage.

b.

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

c.

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

Conductor insulation free from damage.

e.

Terminal lugs at termination points tight and secure.

f.

Equipment is clean and free from debris.

g.

Equipment fil ters installed in vent openings where required by drawing, h.

Non pemanent conditions have been removed.

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Verify electrical equipment has been grounded.

NOTE:

Step (1) is for personnel safety. Reference to drawings or specifications is not necessary or required.

3. 2 INTERNAL WIRING SEPARATION Separation between field run redundant Class 1E cables and i

Class 1E/Non Class 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/Non. Class 1E cables shall be greater than or equal to 6 inches.

In cases where the above separation criteria l

cannot be maintained, barriers shall be installed between the cables.

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

1.

Metallic conduit; ' including Servicair Company FC 33 l

flexible conduit.

I 2.

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

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ISSUE INSTRUCTION REVISION PAGE NUM85R DATE TEXAS UTil.! TIES GENERATING CO.

CPSES QI.QP.11.3 40 11 S EF 141983 3.

A single barrier with 1 1" maintained air space or thermal insulating material between the components or devices and the barrier.

Redundant Class 1E circuits shall enter in separate apertures and terminate on separate tensinal blocks or connectors as shown on G4H design drawings.

Power supply feeds to instrument and control room distribu.

tion panels shall be installed in solid enclosed raceways as snow on G4H 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 T X.NIELCA 01 (4 Cabinets)

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Solid State Protection System T X.ESELSP 01 (Logic & Output Cabinets only)

Solid State Protection System T-X-ESELTC.01 (Test Cabinets)

Upgrade Protection &

Surveillance T.X.XIELSS.50 Process Racks T.X.XIELRK 01 T-X.XIELRK 02 T.X.XIELRK.03 T.X.XIELRK.04 Protection channel

wiring, safety-train
wiring, and Non-safety train wiring within panels 19C1, 1PC2, IPC3, 1PC4 will be in different wire bundles. These bundles will

'be separated to the maximum extent practicable.

3.3 00CtNENTATION Inspection Reports shall be processed in accordance with Reference 1.D.

3.4 NONCONFORMANCES Nonconfonnances shall be documented and identified in l

accordance with Reference 1.E.

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