ML20011F349
| ML20011F349 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Haddam Neck |
| Issue date: | 01/26/1983 |
| From: | CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | |
| Shared Package | |
| ML20008D796 | List: |
| References | |
| FOIA-89-404 PM-9.5-41, NUDOCS 9003050182 | |
| Download: ML20011F349 (6) | |
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s Ceanecticot Yankee eventive intecance Procedure gr.
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- APP #ovt0 Of af Aftete SUPT T
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( '.i ? TESTING OF MOI.DED CASE CIRCCIT BREAKER
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3.1 Connecticut Yankee Accident Prevention Manual.
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= 4.1 This proc.edure could be used to perform preventive maintenance g
on any nolded case circuit breaker at Connecticut Tankee, some p
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sher sign the Checkof f to achaowledge that involved reactor operstbaal personnel are aware of what safety related equipment c.'
as being tak m out of or returned to service. If redundant E f;E'.'
equipment is ragtired to be in service while a breaker is p
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being worked on, the Shif t Supervisor shall sign the Checkoff L J,[
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4.4 Teor instruments shall be in current calibration.
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4.5 Af ter c#p'etion af al; work er testing, t'.c ri1* t os er et
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5.0 PRECAt*TIO::S '
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$f 5.1 Mark all connections before discennecting.
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Ensure =ct or er.,ntroller or breaker asse:bly is retur ed to 21.C.C. and locked in a f t er cor.plet ic.n of t er.t ing.
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.' 4 6.0 PROCEDRE.
6.1 - Close the breal.er.-
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.1 6.2 Connect test leads te phase. A and.spp1:r ? ^0.* f t ue rat e('
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current of the brealer.
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3 6.3 F.ecord tr'; t t.e.sn Chech List and conparc *.-ith tele in g'{:.
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6.4 Close the hreshet.
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6.5 Apply 1500'; of the rated current of the 'ereaker to phare A.
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6.7 Disconnect test leads f rom phase A.
f,.y ik 6.8 Wait at.least 5 minut es and then repeat Steps 6.2 throuCh
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6.7 phase B.
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.[t 6.9 - Wa it a t least 5 ininutes and then repest Steps 6.; through L. -
6.7.for phase c.
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300% test current,ipplied to phone A per 'iters e
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_arrees with table in Tir.e 6-7.8 Brealer closed per Step 6.4 p
7.9 Test current 1500,'. applica per Step +2.1.
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7.10 Trip time is less than one second.
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ind 300?. test current appiloj to phase B per Steps 6.1 S
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7.14 Srcakor 21. sed per St >p *.P.
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7.11 Teat current *.* ?n': it H L.4 rer ite: 6. 81.
7.16 Trip tiee is.e u than are second J.*-
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I.is Iert :eaes J1* conn. ;t s.: rtr Step 6.1.
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7.18 3reaker closed leads :ennected to phase C. and 30'n tort :urrent arpate! to phase C per Sters
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7.19 Trip time phone c.,,,,
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4 7.20 3reaker closed per step $.9.
4 7.21 Tei,t current 13 *N% applied per step 6.9.
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7.22 Trip tirno is less than one second.
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7.24 Equi;.ent operability verified per Step 4.6.
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i 7.25 Involved reactor operational personnel have been inforned of what breaker is beint-re-L' turned to service per Step i.1 7-p
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