ML081900169

June 05000390/2008301 Exam Final Ro/Sro Written Exam References

ML081900169
Person / Time
Site:	Watts Bar
Issue date:	06/03/2008
From:	NRC/RGN-II
To:
References
Download: ML081900169 (6)

See also: IR 05000390/2008301

Text

Final Submittal(BluePaper)FINALRO/SRO

WRITTEN EXAMINATION

REFERENCES

AOI*30.2 WBNFIRESAFE SHUTDOWN Rev.27 Pace 17 of 1291 4.5 Safe Shutdown Logic Diagram NOTES (1)IN InA TIN G EVENTIS AN APPENDIXRF IRE (2)REFERTOSECTION 4.3 FOR A COMPLETE DESCRIPTIONOFTH E SHumOW N KEYS.THEIR FUNCTION S AND COMPONENTS.(3)LEGENDF OR DIA GRAM SYMBOLSA S FOLLOWS*DE SCRIPTIONOFK EY KE Y NUMBER I<3'S A F ETYFUN CTIO N ORE.ND STATETOBEATTAINE D (4)OFFSITE POWERNOTCREDITED FOR A L TE RNA W E S H UID OWN.(5)R CP THERMAL BARRIERCOOLI N G REQUIRES SUPP ORT OF ERCW(KEY1C)&CCS (KEY lB),'-_b.::::: 1\./\QJ-'"?"'J\.1"...:.2*, 01 , 0 J't,........-4 T',J\)." f'\q ,\

Ba tt ery CellP a ra met ers 3.8.6 3.8 ELE CT RI CAL P OWER SYSTEMS 3.8.6 Ba tte ryCell Pa ra meters LCO 3.8.6 APPLICABILITY:

ACTI ONS Batter y cell parameter s for 1 25Vv it al batter ies and125V di esel g e nera tor (D G)batt eri es sha ll be wit hin t he limi ts ofT able 3.8.6-1.When ass ociat ed DC electrical

p ow er subs ystems and DGs ar e required t o be OPERABLE.-------------------------------------N OTE-------------------------------

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Separate Condition entry i s all owed f or each batter y bank.A.CONDITION One o r more batteries with one o r more battery cel l parameter s n ot within Cate goryA orB limit s.A.l AND A.2 AND A.3 REQUIREDACT ION Ver ify pilot cel ls electrolyte

leve l and fl oat voltage meet Table 3.8.6-1 Categ ory C limits.Verify battery c el l parameters

meet Table 3.8.6-1 Categ ory C limit s.Rest ore batterycell parameters

to Cate go ry A and B li mit s o f Table3.8.6-1.COMPLETION TIMEIh our 24h ours A ND O nc e per 7 d ays t her e aft er 3 1 d ays (cont inued)W attsBa r-Unit1 3.8-33

ACTIONS (c ontinued)CONDITIONREQUIREDACTION

Battery Cell Parameters

3.8.6 C OMPLETION TIME B.Required Actio n and associated

C ompleti on Time of ConditionAn ot met.O R One o r more batteries with average electrolyte

temperature

of the representative

cells<60°F for vital batteries and<50°F for DG batteries.

O R One o r more batteries with one o r more battery cell parameters

not within Category C values.B.1 Declare ass ociated battery in operable.Immediat ely SURVEILLANCE

REQUIREMENTS

SURVEILLANCE

FREQUENCY SR 3.8.6.1 Wa tt s Bar-Un it 1 Verify battery cell parameters

meet Table 3.8.6-1 Categ or y A limits.3.8-34 7 days (continued)

SURVEILLANCE

RE QUIREMENTS

(cont inued)SURVEILLA NC E B atteryC el l Paramete rs 3.8.6 FREQUENCY S R 3.8.6.2 SR 3.8.6.3 W attsB ar-Unit1 Veri fy batte ry cell parameters

m eet Tab le 3.8.6-1 Cate go ry B limits.Verify average ele ctr olyte temperatu re o f representati

ve cells is6 0°F f or vital batteries and50°F for the DG batteries.3.8-3 5 9 2 days AND O nc e within 24h ours after a battery dis charge<110 V for vital batteries (113.5 V f or vital battery V)or 106.5Vf or DG batterie s AND O nc e within 2 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> after a battery overcharge

>150 V f or vital batter i es (155Vf or vital batteryV)o r 145 V f or D G batteries 92 days

Battery Cell Para meters 3.8.6 Table 3.8.6-1 (page 1 of1)Bat tery Cell Parame te rs Requ irements CAT EGORY A: CATEGORY B: CATE GORYC: PARAMETER LIMITSF OR EACH LI MITSFOREA CH AL LOWABLE L IMIT D ES IGNATED P ILOT CONNECTEDCELL

F OR EACH CELL CO NNECTED CELL E lectrolyte

Lev el>Minimum level>M inim um level A bove top of indica t i o n mark , indicat ion mark , plates, andn ot and$1/4 inch and1/4 inch o v erfl owing above m aximum ab ove maxi mum le ve l ind icat ion le vel indicati on mark (a)mark(a)F loa t Volt age2.13 V2.13 V>2.07 V S pec if ic Gr av i ty1.2001.195 Not more than (b)(c)0.020 bel ow A ND a v er a ge of all--c on nected cell s Aver age o f all co n ne cted cells AND 1.205-->A verage ofa ll connected cells1.195 (a)I t is ac cep ta ble f or the elec trolyte level t o temp orarily increase ab o ve the s pecif ie d maximum le vel during equal i zing charges prov ided i t isno t over flo w ing.(b)C o rrec ted f or elec troly te temperature

and level.Level corr ec t io n is n ot r eq ui re d , ho wever,w h en b a ttery char ging i s<2ampswhen o n float charge f or v it al b atteries and<1.0am p f or DG batteries.(c l A battery charg ing cu rren t o f<2ampswhen on f l oat charge f o r vital batte ries and<1.0 amp f o r DG b a tteries is ac cept a ble for meeting s pecific gr avity limi ts fo llowing a ba ttery rech arge , f or a maximum o f 3 1 days.When cha rging current is used t o satis fy specif ic gra vit y requ irement s , speci f ic g ravity of each connec ted cel l shal l be mea s ur ed pri or t o e xp i ration o f the 3 1 day allowance.Watts Bar-U nit 1 3.8-36\