ML20136B186

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Rev 3 to Instruction QI-QP-11.3-40, Class 1E Electrical Post-Const Verification
ML20136B186
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 02/24/1983
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20136A539 List: ... further results
References
FOIA-85-59 QI-QP-11.3-40, NUDOCS 8601020467
Download: ML20136B186 (9)
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! INST %CTICN l AEVISICN l ISSUE

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1.0 REFERENCES

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

1-B QI-QP-11.3-26, " Electrical Cable Installation Inspections" l

l 1-C QI-QP-11.3-31, " Electrical Equipment Storage and Maintenance" 1-0 CPM-9.1, " Control of Nonpennanent Materials" i

CP-QP-18.0, " Inspection Report" g ]gg{g g}

f 1-E f

1-F CP-QP-16.0,"Nonconfonr.ances" 2.

RPO AND SCOPE j

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

3.0 INSTRUCTION i

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

This instruction shall be perfonned upon completion of I

construction activities (i.e., room or area).

l All Class IE and non-Class IE cable, raceway and equipment L

installations within the scope of Reference 1-A shall be l

inspected and documented in accordance with this Instruction.

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m INSTRUCTION ISSUE REVISION PAGE NUMBEf4 DATE TEXAS UT1uTIES GENERATING CC.

CPSES QI-QP,-11.3-40 3

FEB 2 4 1983 2 of 9 A craft accompanied post construction verification walkdown shall be conducted by the Electrical QC Inspectors to detemine the status of items.

4 Where cable tray, cable or other electrical equipment is covered or coated, the documentation initiated by the original inspections shall be sufficient.

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

After all discrepancies noted on Attachment have been resolved, they shall be reinspected and documented on

- an Ir pection Report, Attachment 2 and/or 3.

In addition, the QC Inspector shall attach the applicable punch 11st to ther Inspection Report.

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.

3 b.

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

c.

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

d.

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

3.1.2 Verify Conduit The QC Inspector shall perform. a~ visual 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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CPSES QI-QP-11.3-40 3

FEB 2 4 1963 3 of 9 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 diameter by 25Y..

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 tensination box covers and gaskets have been installed.

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3.1.3 verify Cable Installation-The QC Inspector shall perform 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 fra 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 i

with Reference 1-8.

e.

Cable slack of 2 inch minimum is provided at transition l

points between cable tray sections at differene elevations and at conduit entries to cable trays and between category I structures.

f.

Cable installed in. trays shall be below side rails.

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

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CPSES QI-QP-11.3-40 3

FEB 2 L 1963 4 of 9 l

a.

Equipment has sustained no visible physical damage.

b.

Covers shall be installed and conditions of gasket i

storials 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 mintenance is being performed in accordance with the requirements of Reference 1-C and equipment is adequately protected.

f.

Non pomanent conditions have been clearly marked in accordance with Reference 1-0.

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

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

to 6 inches. In cases where the above separation criteria cannot be maintained, barriers shall be installed between the cables.

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

I 1.

Metallic conduit; including Servicair Company FC 33 i

flexible conduit.

2.

Two sheets of fire retardant material separated by a minimum of k" of air space or themal insulating l

m terial.

3.

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

Redundant Class IE circuits shall enter in separate apertures and teminate on separate terminal blocks or connectors as shown on G&H design drawings.

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m TEXAS UMUDES GENERADNG CC.

e cPSES QI-QP-11.3-40 3

FEB 21 E3 5 of 9 Power supply feeds to instrument anc control room distribu-tion panels shall be installeo in solid enclosed raceways as shown on G&H 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 availabis.

Note-TBX for Unit 1 and TCX for Unit 2.

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 T-X-XIELRK-04 Protection channel

wiring, safety-train
wiring, and Non-safety train wiring within panels IPC1, IPC2
IPC3, IPC4 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 1-E.

3.4 NONCONFORMANCES Nonconfonnances shall be documented and identified in accordance with Reference 1-F.

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