ML20136A721

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Rev 2 to Instruction QI-QP-11.3-40, Class 1E Electrical Post-Const Verification
ML20136A721
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 01/07/1983
From: Scott B, Witt H
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20136A539 List: ... further results
References
FOIA-85-59 QI-QP-11.3-40, NUDOCS 8601020257
Download: ML20136A721 (9)
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Text

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l TEXAS UT1UTIES GENERATING.CO. l INSTRUCTION l REVISICN.

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PAGE NUMBER j

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QI-QP-11.3-40 2

JAN 0 7 isaj i

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CLASS 1E ELECTRICAL CATE

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1.0 REFERENCES

1-A CP-QP-11.3, " Electrical Inspection Activities"

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1-B QI-QP-11.3-26. " Electrical Cable Installation Inspections" 1-C QI-QP-11.3-31. " Electrical Equipment Storage and Maintenance" 1-0 CPM-9.1, " Control of Nonpermnent Materials" j

l 1-E CP-QP-18.0, " Inspection Report" l

O 1-P CP-QP-18.0,"Nortconformances" 1-G CP-QP-15.0, " Tagging Systems" l

r 2.0 GENERAL 2.1 PURPOSE AND SCOPE i

This Quality Instruction supplements Reference 1-A and is g

established to -verify the adequacy of installed Class 1E j

equipment and systems at Comanche! Peak Steam Electric Station.

3.0 INSTRUCTION 3.1 INSPECTION FREQUENCY AND SCOPE The frequency of inspection efforts shall be as directed within this instruction, unless dtrected in writing otherwise, bytheQuality; Assurance / Quality Control General Supervisor.

The complexity of installations in any particular area may p

vary, the minimum required inspection frequency is as-follows:

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INSMUCTION ISSUE REVISION PAGE

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. TEXAS UTluTIES GENEMATING CO.

Q QI-QP-1?.3-40 2

JAN 0 7 1983 2 of 9 s

A craft accompanied post construction verification walkdown i

shall be conducted by the Electrical QC Inspectors to determine i

the status of items.

All Class 1E cable, raceways and equipment installations within. an area shall be inspected for the attributes as directed herein.

3.2 POST CONSTRUCTION VERIFICATION SHALL CONSIST OF THE FOLLOWING INSPECTION CRITERIA:

NOTE:

Where cable tray, cable or other electrical equipment

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is covered or coated, the documentation initiated by the applicable inspections shall be sufficient.

3.2.1 Verify Cable Tray l

The QC Inspector shall perfom a visual inspection of all raceways to ensure that the trays arit free of damage. Damage inspections shall consist of but are not limited to, the Q

following:

a.

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

b.

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

I c.

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

l d.

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

3.2.2 Verify Conduit i

The QClinum extent possible without disassembly, of conduit Inspector shall perform a visual inspection, to the mag racews9s to ensure conduit is free from damage.

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

a.

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

Q-b.

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

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i tNUTRUCTION ISSUk REVISION PAGE

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TEXAS UTILITIES GENERATING CO.

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3 of 9 I

NOTE:

Excessive flattening is defined as that amount of flattening which reduces the conduit outside diameter by 25%.

c.

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

d.

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

e.

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

f.

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

3.2.3 Verify Cable Installation The QC Inspector shall perfonn a visual inspection of caole O

installations to ensure cables are free of d mage.

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

a..

Cables shall be free from damage and debris.

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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 with Reference 1-8.

e.

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

f.

Cable installed in trays shall be below side rails.

1 3.2.4 Verify Equipment Installation The QC Inspector shall perform a visual inspection to ensure that the installed equipment has not sustained damage and that i

good and proper. workmanship has prevailed. This inspection shall consist of, but is not limited to, the following:

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a.

Equipment has sustained no visible physical damage.

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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.

Equipment is clean and free from debris.

e.

Storage and maintenance is being perfomed in accordance with the requirements of Reference 1-C and equipment is adequately protected.

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f.

Non permanent conditions have been clearly marked in

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accordance with Reference 1-D.

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3.3 INTERNAL WIRING Separation between field mn redundant Class IE cables and Class 1E/Non-Class 1E cables within equipment shall be maintained in accordance with the equipment specification.

O If the specification gives 'no separation requirements, the minimum separation distance between redundant Class IE and Class 1E/Non-Class IE 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 usedl for separation will be as follows (See for typical examples):

1.

Metallic conduit; including Servicair Company FC 33 flexible conduit.

I 2.

Two sheets of fire retardant material separated by a minimum of %"

of air space or themal insulating material.

3.

A single barrier with a 1" maintained air space or devices an;nsulating material between the components or thermal i

'i d the barrier.

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.t Redundant 1E circuits shall enter in separate connectors as lshown on G&H design drawings.

apertures and terminate on separate terminal blocks or jj i;

l Power supply feeds to instrument and control room distribu-O tion paneis s6aii b

<astalied in soiid enciosed raceways as. shown on G&H design drawngs. (Example: conduit) t A

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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.

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NIS Cabinets T-X-NIELCA-01 (4 Cabinets)

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 O

T-X-XIELRK-04 Protection channel

wiring, safety-train
wiring, and Non-safety train wiring within panels 1PC1, IPC2, 1PC3, IPC4 will be in different wire bundles. These bundles will be separated to the maximum extent practicable.

Discrepancies noted during the post construction verification walkdown will be documented on Attachment 3.

After all discrepancies noted on Attachment 3 have been resolved, they shall be reinspected to verify acceptability.

4.0 00CLNENTATION The QC Inspector shall attach the applicable punchlist (Attachment 3) to the Inspection Report (Attachments 1 and 2).

Inspection of reinspection results shall be documented on Attachments 1 and 2 in accordance with Reference 1-E.

NOTE:

Attributes listed or. the Inspection Report (Attactinents 1 and 2) are intended to be basic.

Any discrepancies not referenced in the Attributes shall be documented in the " Remarks" section.

,. O 4.1 NONCONr0RaaNCES l.h Nonconformances shall be ' handled in accordance with References 1-F and 1-G.-

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INSTRUCTION I

REVISION PAGE NUMBER DATE TEXAS UT!UTIES GENERATING CO.

QI-QP-11.3-40 2

JAN 0 7 1983 6 of 9 l

ATTACHMENT 1 COWAMCHE PEM STEAM.ELECTRtc STATION m.rrt w

INSPECTION REPORT

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Cabfet arenariv trained and tecured

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Storage and maintenance performed and adequate r

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ATTACHMENT 4

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