ML20136B422

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Rev 9 to Instruction QI-QP-11.3-40, Class 1E Electrical Post-Const Verification
ML20136B422
Person / Time
Site: Comanche Peak  
Issue date: 07/11/1983
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20136A539 List: ... further results
References
FOIA-85-59 QI-QP-11.3-40, NUDOCS 8601020593
Download: ML20136B422 (9)
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APPROVED BY:

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1.0 REFERENCES

1.A CP.QP.11.3, " Electrical Inspection Activiti hatt'on Inspections" 18 QI.QP.11.3 26, " Electrical Cabl 1.C CPM-9.1, " Control of p

terial s" 10 CP QP.18.0, "Inspec Report" 1.E CP.QP.16.0, "Nonconformances" 2.0 GENERAL 2.1 PURPOSE AND SCCPE g

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

3.0 INSTRUCTICN The frequency of inspection efforts shall be as directed I

within this instruction, unless directed in writing otherwise, i

by tne Quality Assurance / Quality Control Supervisor. -

This instruction shall be performed upon ccmpletion 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 inspected and documented in accordance witn tnis Instruction.

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A craft accompanied post construction verification walkcown shall be conducted by ^ the Electrical QC Inspectors to deter nine tne status of items. "

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QI.QP.11.3 40 9

.._3 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 Walkdow shall be doc:amented on Attachment 1.

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After all discrepancies noted on Atta'chment7 'ha9e been

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

Ir. addi ti on, the- -

QC Inspector shall attach the applicable Post Construction -

Deficiency Report to the Inspection Report.

1 If the discrepancie(s) still exist at the time of turnover the deficiency its shall be upgraded to a Nonconform&nce Report in accordance with Reforence 1.E.

A 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.

i following:

a.

Cable tray shall be free of burrs, rough edges, or foreigh 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 j

quality product free of surface damage, warpage, bent side rails, etc.

d.

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

3.1.2 Vecify conduit The QC Inspector shall perfom a visual inspection, to the maximum extent possible without disassemoly, of.concuit raceways to ensure conduit is free from damage.

This inspection shall consist of, but is not limitea to, tne

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following:

a.

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

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3 of 9 JUL 11 LC33 b.

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

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

i c.

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

d.

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

e.

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

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

3.1.3 Verify Cable Installation g

k 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 Ifmited 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 saintained in accordance with Reference 18.

4 e.

Cable slack of 2 inch minimum is provided at transition points between cable tray sections at di fferent 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 Eouf oment Installation The QC Inspector shall perfonn a visual inspection to ensure that the installed equipment has not sustainea 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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Equipment hus sustained no visible physical damage.

b.

Covers shall be install'ed and conditions of gasket

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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.

Teminal lugs at tensination points tight and secure.

f.

Equipment is clean and free from debris.

g.

Equipment filters installed in vent openings where required by drawing.

+4 h.

Non permanent conditions have been removed.

1 1.

Verify electrical equipment has been grounded.

3.2

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

If the specification gives no separation requirements, tne minimmi separation distance between redundant Class 1E and Class 1E/Non. Class 1E cables shall be greater than or equal to 6 inches.

In cases Wiere 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):

t 1.

Metallic conduft; including Servicair Company FC 3"

flexible conduit.

2.

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

of air space or thernal insulating material.

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

thermal insulating material between the components or I

devices and the barrier.

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Redundant Class IE circuits shall enter in separata apertures and teminate 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 shown on G4H design drawngs. (Example: condui t)

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The following cabinets have been analyzed and are exempt fremt 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) 3 Solid State Protection Systam.

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.XIELAX.02 T.X.XIELRK.03 T-X.XIELRX 04 Protection channel

wiring, safety-train
wiring, and Non-safety train - wiring wi thin canels 1PC1, IPC2, IPC3, IPC4 will be in different wire bundles. These bundles will be separated to the maximum extent practicable.

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

3.4 NONCOWORMANCES' Nonconfomances shall be. documented and identified in accordance with Reference 1.E.

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