ML20140A702
| ML20140A702 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 05/29/1985 |
| From: | Crawford J, Kelley D, Morgan H SOUTHERN CALIFORNIA EDISON CO. |
| To: | |
| Shared Package | |
| ML13324A792 | List: |
| References | |
| RTR-NUREG-0829, RTR-NUREG-829 PROC-850529-01, NUDOCS 8601230346 | |
| Download: ML20140A702 (16) | |
Text
REFERENCE:
SO 123- V I- 1.0.1 Tp i-yr-m n-on ENCODE AC10AC SO I Att=J..- i i b 'f q f (WHEN FORM FlLLED OUT) l FINAL APPROVAL / DISAPPROVAL / CANCELLATION ROUTING FOR ISSUED TEMPORARY CHANGE NOTICE (S)
TCN NO. 0- A SITE DOCUMENT NO. j/7/ '7- 2/ REV. NO. 8 ISSUANCE DATE: CANCELLATION ORIGINATOR (1)(B) //[88 PRINT NAME M-d/I PAX OATE ROUTED: .3// 2 /6f *DATE DUE:
cTechnical Specification Victation if not completed within 14 days from date of issuance.
ROUTING DATE / INITIAL SEQUENCE ADDRESSEE /0RG. ACTION REQUESTED APPROVED DISAPPROVED (1)(A) 1 Review & Approve px 2 Review & Approve . O Cn u 3 Review & Approve # O )! T00 -
4 Review & Approve S/TF e,, _
S Review & Approve '" COfy 6 Site Procedures Group (SPG)l Forward to CDM (1) Reason for (A) c Disapproval / Disapproved By: Pax: (B)-W Cancellation (Print Name)
Efl h7??dUA f fkAV) U)-(( st//tl$ -()l7 /
If TCN is.,disaoproved, return directly to the Site Procedures Group DESIGNEE: A e Adr7G PRINT NAME EVALUATION OF THE USE OF AN ISSUED TCN INCLUDING THE EFFECT(S) AS A RESULT OF DISAPPROVAL / CANCELLATION (USE REVERSE SIDE, IF REQUIRED).
A]O PYC -SugYLb hetM/ p [ 1'fA/) H) f g-g g _ ,,
EVALUATION SUPPORTS DISAPPROVAL (MLATIONE TCN? YES Y NO NCR REQUIRED TO DISPOSITMN EQUIPET uRTERUN TEST? YES NO 2 NCR vNo.NO 110 FORM? YES ~
REINSTATESUPERSEDED/INCORPORATEDTCNSLISTEDONS0(123)/
REINSTATE DOCUMENT REVISION A, 0 3//7 h S
PREPARED BY: ,-67 ._.sWV
' CFDMlBesignee Date REVIEW OF EVALUATION and TCN DISPOSITION:
o DISAPPROVED APPROVED BY: '7/f 77Jeyp /.X SJ9/e Functional Drvision' Manager Date y CANCELLED B601230346 060117 DR ADOCK 05 6 APPROVED BY: h[4Mb
"' ' Quality / Assurance f/29 )
Date ORIGINAL FORWARDED TO CDM: PERFORMED BY:
SPG D te S/.xr l
COPY FORWARDED TO THE NUCLEAR SAFETY GROUP:
(5023 and 50123 series only) PERFORMED BY: ,00m CDM Date
~ " ~ ~ - ~
SU( w w , ~.e v . 0067f
9
- j atrEntnCE: 50123-VI-1.0.1 1 CODE , AC10AC M th FORM FIL ID DLT)
- TEMPOR ARY CHAhGE 80TICE Page 1 of TICMh! CAL SPtCIFICATI0m VIOLATION IF NOT Cas*PLIT[D WITMIN 14 DAYS TCt to.
(TSTJR m oaisj site occ - t no. JW- 7 .2 / nevistoa no. 0 5:= cit U$t TCn vt1_ no g i site ace-t 71ste Vfb htf MD Y & Aa_ s. /h/A L .S YHe*e G N u t;.a :
- i. PetrAato sv:.JrJ/mAtoi PAi: J665C OncA= rAtic=: o/'6./ ;
originator
- 2. DATt/T1"E 0816thATED: .5'- J7-9 $! /d
- lo3. 155LAN. (CP USE ONLT) i
- a. 5th;LE USE Tch cancels on: (C D USE OnLT)
- 5. If reewired. TCt Deviation Aceroval: CFCH (or cestgaee): A/A Ugaatsre/Ir by telecen or tat asw aae so state Late / Tim
- 6. C*ece aereepetate boa: i f attre Docuaeat Attacked [l Affectee Page(s) Attacaea 5.eerseeec/lacoccoratee sh(s): Alo Al# n ,. (het socitcaele ho. (if acae, so state) fd E $ T(hs) 7 Tnts enaage caaaot mett matti the aest revistoa of the Site Documeet aae is reowtres: M A. To emplemeat f acility destga chaage (PFC, hCR, TFM, etc.) 5g
- Facility eestga chaage teeatif ter / -
1ao uste m , ,,a . m etc.. n e,tirie, laclewetatica of t*e f acility eest 9 chan e nas beca deteretaed. ?!5 (If m0. a TCt canaat te appeoves wat 1 the acility cestga chaage has DeWeoleme 40 file OPP 8../Ctaer (e.g., CAA. Liceastag Coaritmeats) Specific seasoa: /hu / RfA , to J e?rn /f.a J Phe we aLmn4mm JL .Gew %~ d%/P /;4/r L '
f.nr YbJ uf %./ L df cl~ bem DNnur.m n NT c.se re.e se sice, o rewen i a 3,.4
- e. Is tae (inis eoemt is iacicates on eeta, ta. TaeleTCh'e of Corte 04 meettag?(ifvt5 ts eage o m0 vet [f tarfite t.
oTc u, coaciete tae me es eeted I if act taatcatee, treat as ca A*fectirs.:
} 4 ;ce, tris v a ge cect r a a- or ree. aec. corv it,etir vu si; / :
i e. oees tais ceaege ea 'ect tae neerseiolostcel environ eat of acy or riTre area previo s1, vaoist.coes i i euria$ site Decoaestica aae plaat corstrbClica? Yt1 N3 /- 1 i C. Is tae teteat of the eetstaal accet alteres? Yt3 NO # 1 1 0. Is tat decreat to be c*aages sa Emergency Ocerattag lastructica? T ho [ j l E. Does tais Caamse PCse sa uareviewee safety owesttom pe* 10 Cf a 50.!g, i.e., e;es it i*c'este tae I
! pectatt11ty c' occurrence ce tae coaseheeces of aa accioeati create t*e pcssttility of a et*'e'e*t i t acciceat; or reeace the Tech. Srec. esegta of sa'ets? Vis no i 1 (IF int Ans,tta TO A, B, C. O or i 15 FEE A T$ 5 hCT A;.T 44!!!D.) 1 I i t g. *oes tais casage s'fect Itceestag crettme*t reestreeeats? YE5 NO / l ie. Ce:p for.a ces to see =xiear safety seo o.
($C2/3 & 12) *,A Affecttag TChs only)
Ptaronto sv: 77/L (;p; cate: 4/-/MI
- 11. Tae eattee occwt was revie-e4 la coahactica otta this Ttt. J/ //L REV!!stD Ah: APPa0Vic SYr /h //T
- r;s or iesigeee ;a
- e
- 11. StGhaftsf5 #f0U:8tC:
l InITIA sFFa;sA 6 I
I RC e [. 1 43 A##ec THE Uh!T AFFICTla) np I
l . ~- (AT LIA57 2h ONEo(1)n 58k0 !
- .apaa,e,xstarr-wti f cg eat =a.g e t starr - w as m 6.ie me; I Coule tets Tch affect or does it represect a chaage to a plaat Co.1e tais TCh affect or does it eeeeestat a c*aage to i I cce st ta pro $? ' ' * / NO 2 a plaat coerattoa in preseess? vt5 = ha i
- 3) IN m evatvig
.y ./ ' bb N) W - Latta m Late T tse es;e itae I
i F j h A. AFFE;.4 )
I stv![sto AN APP 90ftD BY: -
1 l 5) i
-43 EYWw Coganzant Fwactieaal Livig Maeager she Late
/ss .) ,.
J QwO dy" Assurance . -Its 1, 2 see 3 vNn7 sete If a docWaeat is het GA A'fecithg. attata tattial approval from the Cog *taaet see ' seels) ce the a*fected Lait (s) (sigas e- etaat paaagemeat Staf f Itae(s aae flaat sco c a1 feor tae C80" price te s w ittal to CD". he other sigaatores are r estree. If GA Affectiag. acof ou tl shall be t two me* Dees of the Plaat Weaagemeat Sta'f tao lecge Sle ta tae seems 8'fected, at least oae C # wa cP aoles 49 580 Licease oa tae aw it or w9stl effected. (FGe T(h scorcial, sw e tes c'
- tae Plaat paaareet sta*f are ce'taes as the swee-vtsor la caaege cf tae shif t, or as ces19*sted la =etttag ty tae CF0", eseecistag retooasittlity ia the seettfit area aat wait (s) ett'essea ty t*e cas*ge.)
If ifJ. the Self t 5.oceteteaceat small provtse the reoutres 5 0 approve). a O SCf123) 110, aty. 10 C2 21 85 00 eme
11UCLEAR SENEMTION $!TE
. tileIT 3 SPERATING INSTkUCTION $01-7-21
,' EECONDARY PLANT
. EFFECTIVE DATE BET 17 984 REVISION O PAGE 3 OF 7 l Th/ O-!
s. _480 VDLT AND 4 kV RDOM HVAC SYSTEM DPERATION TABLE OF C067ENTS SECTION PACE 1.0 DBJECTIVE ' 2 l
2.0 REFERENCES
RECEIVED COM 2 3.0 PREREQUISITES 0CT17884 2 ! 4.0 PRECAUTIG.iS SITEFILE COPY 2 5.0 CHECKLIST . 2 6.0 INSTRUCTIONS 2 7.0 RECORDS 5
. ATTACHMENTS -- - - -
1 Checklist 1, 480 V/4 kV Air Conditioning Ele:trical Altaneent 6
?
s - t t l l l QA PROGRAM ArFECTING OS25g l k 4
'g .
I h
NUCLEAR GENERATION SITE UNIT 1 OPERATING INSTRUCTION S01-7-21 SECONDARY PLANT REVISION O PAGE 2 0F 7 480 VOLT AND 4 kV R90M HVAC SYSTEM OPERATION Nb ~L 1.0 OBJECTIVE 1.1 To provide guidance in-the operation of the air conditioning units for the 480 Volt and 4 kV Rooms. 1.2 To provide guidance in the operation of the installed back up ventilation fans for the 480 Volt and 4 kV Rooms. 1.3 To provide guidance in monitoring for proper operation of the 480 V and 4 kV Room air conditioning and ventilation equipment. -
2.0 REFERENCES
2.1 Operating Instruction 2.1.1 S01-2.4-5, Loss of 480 Volt /4 kV Room HVAC 3.0 PREREQUISITES 3.1- . Prior to use of an uncontrolled (pink) copy of this Station Document to perform work, verify that it is current by checking a controlled copy and any TCNs or by use of the method described in 50123-VI-0.9. . 1 4.0 PRECAUTIONS ' 4.1 Manual override switches, HS-322 and HS-323, should be maintained in the NORMAL position. This is to prevent inadvertantly ? overriding the trip signal to the units upon detection of a fire
- in the 480 Volt or 4 kV Rooms.
4.2 If 480 Volt or 4 kV room temperatures cannot be maintained within a the limits specified in this instruction, go to 501-2.4-5, Loss of ' 480 Volt /4 kV Room HVAC. , 4.3 In the event of a fire, portable exhaust fans should be used to ventilate smoke from the 480 Volt or 4 kV Rooms not the air conditioning units. (Ref. 2.1.1)
~~~
5.0 CHECKLIST 5.1 Checklist 1, 480 V/4 kV Air Condittoring Electrical Alignment 6.0 INSTRUCTICNS 6.1 Placing the 480 V/4 kV Room Air Conditioning in Service 6.1.1 Perform Checklist 1, 480 V/4 kV Air Conditioning Electrical Alignment, for either or both rooms as required.
NUCLEAR GENERATION SITE UNIT 1 OPERATING INSTRUCTION S01-7-21
- SECONDARY PLANT -
REVISION O PAGE 3 0F 7 6.0 INSTRUCTIONS (Continued) - I bhb g>__ I__ NOTE: Both room air conditioners cycle on and off
- via thermostats. TSH-102 controls the 480V Room unit and TSH-104 controls the 4 kV Room unit.
6.1.2 Verify that the air conditioning units start and supply cooling to their respective rooms. 6.2 Removing the 480 V/4 kV Room Air Conditioning from Service 6.2.1 The 480 V and/or 4 kV Room air conditioning equipment may be removed from service by opening individual breakers in panel B-25 located on the mezzanine level of the 480V Room. 6.3 Manual Override of the 480V/4 kV Room Air Conditioning NOTE: The air conditioning units receive a trip signal from smoke detectors in their associated switchgear Room. CAUTION The air conditioning units are not to be operated for the purpose of clearing the . smoke, due to fires, from the switchgear
- rooms.
6.3.1 To clear smoke from the switchgear rooms, refer to S01-2.4-5, Loss of 480 Volt /4 kV Rooms HVAC. 6.3.2 The air conditioning units may be restarted, in the event of a false fire alarm, with the approval of the SRO Operations Supervisor by: '
.1 Placing the override switch of the desired unit in the OVERRIDE position.
NOTE: The 480 V air conditioning unit override switch is mounted on the wall beside the 480 V Room Halon Control Panel. NOTE: The 4 kV air conditioning unit override switch is mounted on the wall beside the 4 kV Room Halon Control Panel. i
NUCLEAR GENERATION SITE OPERATING INSTRUCTION 501-7-21 UNIT 1 SECONDARY PLANT REVISION O PAGE 4 0F 7 6.0 INSTRUCTIONS (Continued) '
' 6.4 Backup Fan Operation h6( '/A [./l*4 NOTE: Backup fans are provided to deliver outside air to the 480 V and 4 kV Rooms in the event of an air conditioning failure. Fans are controlled with local pushbuttons.
6.4.1 Placing the 480 V Room Backup Fans in Operation
.1 OPEN D/S-A-100, 480 V Room Air Conditioning Unit Safety Switch, to stop the 480 V Room Air Conditioning Unit.
.2 CLOSE MVS-340, A-100 Discharge Damper.
.3 CLOSE MVS-349, A-130 Return Damper.
.4 OPEN MVS-347, A-902 Discharge Damper.
.5 OPEN MVS-350, A-900 Suction Damper.
.6 START A-902 and A-900, 480 V Room Supply and Exhaust Backup Fans. '
6.4.2 Securing the 480 V Room Backup Fan Operation .
.1 STOP A-900 and A-902, 480 V Room Exhaust and Supply Backup Fans. [( i
.2 CLOSE MVS-350, A-900 Suction Damper.
.3 CLOSE MVS-347, A-902 Discharge Damper.
.4 OPEN MVS-349, A-100 Return Damper.
.5 OPEN MVS-340, A-100 Discharge Damper.
.6 If the 480 Vroom Air Conditioning Unit is to be placed in service, then CLOSE D/S-A-100, 480 V Room Air Conditioning Unit Safety Switch.
6.4.3 Placing the 4 kV Room Backup Fans in Operation
.1 OPEN D/S-A-101, 4 kV Room Air Conditioning Unit Safety Switch, to stop the 4 kV Room Air Conditioning Unit.
.2 CLOSE MVS-332, A-101 Discharge Damper.
.3 CLOSE MVS-330, A-101 Return Damper.
.4 OPEN MVS-333, A-903 Discharge Damper.
.5 OPEN MV5-331, A-901 Suction Damper.
.6 START A-903 and A-901, 4 kV Room Supply and Exhaust '
{ Backup Fans. j l h
NUCLEAR GENERATION SITE UNIT 1 DPERATING INSTRUCTION 501-7-21~ SECONDARY PLANT REVISION O PAGE 440F 7 6.0 _ INSTRUCTIONS (Continued) - IIbb ~ 6.4.4 Securing the 4 kV Room Backup Fan Operation _ .1
~ STOP A-901 and A-903, 4 kV Room Exhaust and Supply Backup Fans.
.2 CLOSE MVS-331, A-901 Suction Damper.
.3 CLOSE MVS-333, A-903 Discharge Damper.
.4 OPEN MVS-330, A-101 Return Damper. .
.5 '0 PEN MVS-332, A-101 Discharge Damper.
.6 If the 4 kV Room Air Conditioning Unit is to be placed ;
in service, then CLOSE D/S-A-101, 4 kV Room Air
. Conditioning Unit Safety Switch.
NOTE: The back up fans receive a trip signal from smoke detectors in their associated switchgear Room. This trip signal cannot , be overridden. , { 6.5 Monitorine HVAC Operation :'
' NOTE:
The HVAC System is designed to supply 65*F air to the
- 480 V and 4160 V switchgear Rooms in a manner sufficient to maintain an ambient temperature no t greater than 95*F. Also, ducting is provided to .
maintain the ElgaraInverter. temperature of 77'F or lower in the area of 6.5.1 Record on Part J of 50(1)-24 the air temperature in the following locations in 4 kV and 480V it)) switchgear rooms once per day on day shift (preferably 1 af ternoon) in Modes 1-6.
.1 4 kV rcom - by the double doors at the southeast corner of the room at grade;
.2 4 kV ro:r - in the northwest corner at grade;
.3 ASOV ree - by the double doors at the southeast corner of the rccr. at grade;
.4 430'/ r::c - in the northeast corner at grade;
.5 LE'<V rcem - ir. the center of the west side of the l ciatfcer at elevation 20'.
t
' ~
NUCLEAR GENERATION SITE UNIT 1 OPERATING INSTRUCTION S01-7-21
. SECONDARY PLANT REVISION O PAGE 5 0F 7 6.0 INSTRUCTIONS (Continued) ~l * * - -
6.5.2 Ensure the following temperatures are maintained: CAUTION If temperatures cannot be maintained within limits go to 501-2.4-5, loss of 480 Volt /4 kV Room HVAC.
.1 Switchgear Room ambient temperature 5 95'F;
.2 Elgar Inverter ambient temperature $ 77'F.
6.5.3 Once per shift verify proper operating mode of the HVAC System in each room.
.1 Air conditioning units operating.
.2 Backup fans not operating.
7.0 RECORDS 7.1 . Checklist 1, when completed, shall be filed in the Nonsafety-Related Systems Alignment file. removed and discarded. The preceding Checklist may be i . 5 { l JWReynolds:0825g
NUCLEAR GENERATION SITE OPERATING INSTRUCTION S01-7-21 UNIT 1 SECONDARY PLANT REVISION O PAGE 6 0F 7 ATTACHMENT 1 CHECKLIST 1 _N i O 480V/4kV AIR CONDITIONING ELECTRICAL ALIGNMENT 1.0 PREREQUISITES INITIALS 1.1 Obtain the SRO Operations Supervisor's approval to perform this Checklist. SRO Ops. Supv. 1.2 All personnel performing this Checklist have been advised to note all missing, incorrect or deteriorated component ID tags in the " Comments" section of this Checklist. 1.3 Equipment is not required to be aligned in numerical sequence. 1.4 Deviations from indicated component positions are allowed by approval of the SRO Operations Supervisor. Deviated positions will be indicated by circling the indicated position, writing the deviated position above, and initialing of each deviated entry by the SRO Operations Supervisor. ' 2.0 INSTRUCTIONS 2.1 480 V Room BKR BKR ALIGN
'1 UMBER DESCRIPTION POSITION. INITIALS 2.1.1 52-1306 Power Supply to HVAC Panel B-25 CLOSED 2.2 480V Room Mezzanine Level 2.2.1 8-2501 480 V Room Air Conditioning CLOSED Unit Power Supply 2.2.2 8-2502 4 kV Room Air Conditioning CLOSED Unit Power Supply 2.2.3 8-2507 4 kV Room Ventilation Supply CLOSED Fan Power Supply 2.2.4 8-2508 480 V Room Ventilation Supply CLOSED Fan Power Supply 2.2.5 8-2513 4 kV Room Ventilation CLOSED Exhaast Fan Po er Supply 2.2.6 8-2514 450 V. Room Ventilation CLOSED Exhaust Fan Power Supply ATTACHMENT 1 PAGE 1 0F 2
NUCLEAR GENERATION SITE OPERATING INSTRUCTION S01-7-21 UNIT 1 SECONDARY PLANT REVISION 0 PAGE 7 0F 7 ATTACHMENT 1 CHECKLIST 1 9gQ) - 2.0 INSTRUCTIONS (Continued) BKR BKR ALIGN NUMBER DESCRIPTION POSITION INITIALS 2.3 West Heater Deck 2.3.1 C/S-A-900 480 V Room Ventilation CLOSED Exhaust Fan Safety Switch 2.3.2 C/S-A-902 480 V Room Ventilation CLOSED Supply Fan Safety Switch 2.3.3 D/S-A-100 480 V Room Air Conditioning CLOSED Unit Safety Switch 2.4 4kV Halon Panel Area 2.4.1 C/S-A-901 4 kV Room Ventilation CLOSED - Exhaust Fan Safety Switch 2.4.2 C/S-A-903 4 kV Room Ventilation CLOSED Supply Fan Safety Switch I 2.5 Control Building Roof
- 2.5.1 D/S-A-101 4 kV Room Air Conditioning CLOSED Unit Safety Switch CONUdEbrTS: '
PERFORMED BY: Operator Signature Initials Date Operator Signature Initials Date REVIEWED BY: SR0 Operations Supervisor Date 0825g ATTACHMENT 1 P AGE 2 0F 2 l
j
REFERENCE:
SO 123 - V I - 1. 0.1 TN '-7f-m 6 .>on ENCODE AC10AC l SO , ; A ttA At 7 pb q r-7 (WHEN FORM FILLED OUT) FINAL APPROVAL / DISAPPROVAL /C ANCELLATION ROUTING FOR ISSUED TEMPORARY CHANGE NOTICE (S) TCN NO. O-lL SITE DOCUMENT NO. j8/- 7,4/ d REV.NO. O CANCELLATION ISSUANCE DATE: ORIGINATOR (1)(B) t/55 M/1 Ro-4/f PRINT NAME PAX DATE ROUTED: 8, !/2 / ff /
*DATE DUE:
CTechnical SpecificaTio'n Vidlation if not completed within 14 days from date of issuance. OATE / INITIAL ROUTING ACTION REQUESTED APPROVE 0 OISAPPROVED (1)(A) SEQUENCE ADDRESSEE /ORG. Review & Approve NEcops 1 2 Review & Approve /d/W , D/4 3 Review & Approve A N 4 Review & Approve kFow r S Review & Approve 6 lSiteProceduresGroup(SPG) Forward to COM (1) Reason for (A) c Disapproval / Disapproved By: Pax: (B))tCancellation (Print Name) b b"f &A!'0L/o 0 [fM N J-ff-})f y g ) If TCN is disapproved, return directly to the Site Procedures Group DESIGNEE: N, /P16# / z,cf. rr/ PRINT NAME' EVALUATION OF THE USE OF AN ISSUED TCN INCLUDING THE EFFECT(S) AS A RESULT OF DISAPPROVAL / CANCELLATION (USE REVERSE SIDE, IF REQUIRED). itjo e $ch- Jiyf'db $4ndM/ D l W~M ltl-gssys -se, EVALUATION SUPPORTS DISAPPROV h CELLA h NO F TCN? YES X NO _ g NCR No. NCR REQUIRED TO DISPOSIT40N EQUIPMENI OR RERUN TEST? YES A NO REINSTATE SUPERSEDED / INCORPORATED TCNS LISTED ON S0(123) 110 FORM? YES REINSTATE DOCUMENT R VISJ YE ,X NO j f C 3 // 1 M 3 PREPARED BY: ~,_ ' CFTA/D signee Date REVIEW OF EVALUATION and TCN DISPOSITION: APPROVED BY: Wl. 777oem /S J/49/gr o DISAPPROVED functional Ofvision Manager
~
Oste APPROVED BY: A (Ifd[
~
Quality A(surance ~ Oate ORIGINAL FORWARDED TO COM: PERFORMED BY: SPG DateI f COPY FORWARDED TO THE NUCLEAR SAFETY GROUP: (5023 and 50123 series only) PERFORMED BY: L daaI J o if N Datt b COM
. . . . . J67f
s . .. ... .,_
$ _.* r . .. s - - ... _ ,_. _.
< e . REFEMECE: 30123-91-1.0.1 I p mu. ni.lunc ' '! !
** (wHElrTUW r 4tus sui '
TDePORART Change 50TICE page ,,,1,, of ,J ,
- TLCleCCAL SptCIFICATION VIOLATIM IF NOT CCP8PLETED WITHIN 14 9475 sia c m. D/-Jd-S meist.n m. o m .s. hN s4. meme= mm As, ./' vp 4/f/W Aear NW c. l
- =
pateents sv dd d Notof 7'"- pax: 564Tf
. 1. ~ Omr.an!IAT1ou: o/r orisiaster j ;
- r. .AvEm salu m: m 7_svMe,co 2. issa .CE m TE: DEC 81984 fooM mui
- 4. If essertrud. Mit Deviation Appreus1: CFDM (or desitase): dA i 5ignaturenf by telecon print name end se state La temme
- s. Ihmet eserwriete tes: @ Entire Secument Attached I"~1 Affected pegels) Atteched J oerusasettacorporated E m(sl: Wade' m
=. nc IW.sestate)
D CDM
- 4. Mis sammys cannot sett auttl the Gest fetistem of the Site Decament and is reestred:
. w ems . fac m t, . ti p change w C. .C.. n . e u., DEC 1019881 ree m t, 4p cm e i. =ife.r accot. m. . - eu. i .ntiri., SITE FILECOPY
. .- laptementattee of the factitty deste change has been determined. TES 5 2- If M 4 TER commet to approved untti the feCility eestp change tes been geplemenW"I p . S. [Other e.g., CE. Liceastag Causilmente) $peCIfic Reesen:
'T
~
'fe' utnMe+ff' Aluu ( W h a' ~ A k w $1A4s 2Nfffift 'ile=1
- L 1T
'T *
~
4 g I t=e re c m. ir reg,i,es ,
- 7. Is the encuent bef ag TCa'd OA Affectf ag? TE5 no ~ IIf VES, complete the tones below.) lif No. ese
- tetow.)
(This fs faticated se the Tetle of Centents page of the" Tite Daiinent. If not f eetceted. treet es OA Affecting.) I A. sees sets caenge arrect rama er Teca. apoc. censitmortsi T53 up er .- 1 5. Bees this change effect the nonredfotogical enviroment of eas eTri1Te previously entistermed i
. eurf ag site properetten and last constructten? I l TEs MD t C. Is the feteet of sne eristas ese m ent etteredt TEs no I a. - Is the ecmeet to te changed en Emergency Operettne InsTRiETient me /*
- E. Bees this change pose en warevieued safety esestion per 10 CFR 50.H. f.e., sees it f acrease the pretsbeltty of occurrence er the consegsences of an accidenti create possitt11ty of a different .-
Eccidset; er re tte the lech. Spec. me n of safety? TES 9 l' W 1E AIIRER 78 8. C. 9 or E 15 ff T A NOT AlmetIZER.)
- 8. Bsee this cheepe effect Ifesmatag cemitment requirements? TES ,,,,,,, 50
- .~'
- 9. Capr ferierend to too mucteer safety Eroup. pEaFespan att aste:
4 (OA Affecstas TCas only) tanal
- 10. The sotfre acesset aus evetened to conjunctlen erf th this TCN.
i MVIDG AS AppA0VEB ST: MIM f Gript er Des 1gaee seto 11 SientfWEES N l 3 ImIInL - es I i 1 I i l :** IAT LEAST OIE (1) ON TIE UNIT AFFECTED) l l l ogmedeghiest 5taff - Bett 3 nh 5 # Dele Time d>>FleetHanegement3teff= Units Date 353 Ilse ' l l Coeld this TCm effect er esos it verwaset a coey to a plant Could thf s TCm effect er does it represent a change to i sperettee la sf 50 J e plant operetten in progress? TE1=* B0 i
, su -
1thNY lYSF dozug - Units asa - sete Tveel I I zug - att E/ , 8 Bete TYee I _ l i riant .. c s l REVIDES Of8 I === W31vistW l l ssregosant i
% reactional Y'-loolBY pote s1 & &-
0 411ty Asse ac - Unite i NTYN*d ens 3 Date
- If e escament is art On Affectinf. etteln inttiel approve 1 free the tegnf ront Supervleerts) en the effected Unitis) (stes on plant Henegement Staff Ifnels)J and rfnet approval from the CFOM prior to sutetttel to cwt. as other signatures are restred.
'f 44 Af? ::f ag. appi ral Aell to by tuo meuters of the plant Menegement Staff taseledgeable in the artes
-1*/trd. N 'eeft r'. < fc J holds en $40 License en the unit er entts effected. (For TCW eptrovel, u88e's of the plant inegmng ? c'l <m def f mod as the superviser in charge of the shif t, or es designated in writing by St.s CFf9', case:tst.; r.v. ssibility in the spectffe eroe ehd unitis) addressed by the change.)
If f,,1. 'i% 5.1 < !r,orto t'.edent shell provide the regutred $80 approve 1. q' ** ' S 10. t*", 9 **.**.32 006?f
- ~ ~ ~ ~,
' NUCLEAR GENERATI
. (W17 2
- JM OPERATING '""""'"
42.4-5 C~_
, EFFECTIVE DATE
- ABN3RML ^^
\ REVISION O PAGE 3 0F'4 g
.-y 9A ~
LOSS OF 480 YOLT/4kV ROOMS NVAC s
- TABLE OF CONIGITS SEC110N
- _PAGE 2.s SYMP Wes -
M 2 2.s entoMATIc ACTIONS y ECrtyEDcoy 2 3.0 IMMEDIATE OPERATOR S I TION ( -
' 2 3 }S84 2 4.0 SUB5EQUENT ACTIONS / -
EINFly y . 5.D ATTAONDtTS - y - - 4 6.0 REFFE M T '
' ' . 4 ,
7.0 aE m D(5) -
-: ,~
4 . . e e* 9 98 b . i l l 9
\
.. \
' by !
~- :.*,~N' QA[ PROGRAM AFFECTANG
- M s
. _ , - _ - _ _ _ - . - _ _ _ _ _ _ _ _ _ _ . - _ _ _ _ - - - _ - . - . - - . - . . - . , _ - . . , . - _ . - - - .~._
~ -- . . . . _ . . - . . - . .
..-_a-. _.. - - - - . .. -..-.
- 4. NUCLEAR GENERATION SITE OPERATING INSTRUCTION S01-2.4-5
" " ' 7IT 1 ABNORMAL
. REVISION O PAGE 2 0F 4 LOSS OF 480 VOLT /4kV ROOMS HVAC Tc.4 _ 04 1.0 SYMPTOMS . , , ,
1.1 480 Volt HVAC_ Trouble alarm =(200!E ambient = room.temperat'ure).
*~
1.2 4kV HVAC Trouble alarm (100*F ambient room temperature). 3.3 Increasing temperatures in 480 Volt or 4kV Room. . . 1.4 480 Volt and/or 4kV Room air conditioning equipment or backup fans not operating (local observation). 1.5 Fire in 480 Volt and/or 4kV room. .
- 2. L' AUTOMATIC ACTIONS' ,
'.,( 2.1 The 480 Volt Room air conditioning unit and backup fans will trip i T vpon actuation of 480 Volt room smoke detectors or closure of the-480 Volt room smoke dampers.
2 '
~
The 4kV Room air conditioning unit and back-up fans will trip upon ' '2 2.2 actuation of 4kV room smoke detectors or closure of the 4kV room . smoke dampers. - . ; 3.0 IMMEDIATE' OPERATOR ACTION (S) 3.1 None . 4.0 SUBSEQUENT ACTIONS 4.1 If an air conditioning unit has tripped due to actuation of a smoke detector or damper due to a fire, portable exhaust fans should be used to ventilate smoke from the room, not the air conditioning units. CAUTION The SRO Operations Supervisor's approval shall be obtained prior .to using the OVERRIDE switches to restart the 4kV or 480 Volt Room air conditioning units.
\
4.2 If an air conditioning unit has tripped due to actuation of a false smoke detector or damper signal, the unit may be restarted as follows: . i Monitor the 480 V and 4kV room temperature per step 4.5 ! , NOTE: while performing the following steps to establish i adequate cooling.
~.- .. - - _ _
J -
.- citri. EAR RENERATION SITE OPERATING INSTRUCTION .a. 2.
- - m' ' ~ ABNORMAL I M-". REVISION O PAGE 3 0F 4 4.0 SUBSEQUENT ACTIONS (Continued) MN_
4.2.1 Obtain SRO Operations Supervisor's approval to operate the OVERRIDE switch. g 4.2.2 Place the override switch in the OVERRIDE position. 4.2.3 Verify that the air conditioning unit starts. - 4.3 If an air conditioning unit fails mechanically or ejectric; ally, restore ventilation as follows: . 4.3.1 Place the installed backup supply and exhaust fans in service, by depressing their respective start pushbutton. , NOTE: The 480 V room backup fan controls are
-- located on the West Heater Deck. The ,
hF -- 4kV room backup fan controls are located on
"~
the Control Building roof. N , 4.4 If the backup fans are not available and the air conditioning unit (s) remain inoperable; . . :, NOTE: Security should be notified if the 4kV room . security door will be open. h s 4.4.1 OPEN the doors to the affected room. NOTE: If all lights are turned off the ambient room temperature should remain 5 104*F. 4.4.f Reduce lighting in the affected room as low as possible. 4.5 Monitor and compare the affected switchgear room (s) ambient temperatures to the following limits:
\
Allowable Daily Maximum Areas Rated Ambient . Allowable Ambient Monitored Temperature Temperature Elgar Inverter 5 104'F 122'F N
- Power Cables < 104'F 140*F (in trays) 1 Other Equipment 5 104*F 122'F
] , i l
._- . ~ .-..
. . . _ _ =
- wyctrA?-SEweeAT70N SITE OPERATING INSTRUCTION 501-2.4-5 i
. . . CNIT -F--
.,-, h_E. -
ABNORMAL REVISION O PAGE 4 0F 4 MN
~
4.0 SUBSEQUENT ACTION (Continued) _ 4.5.1 If the ambient temperature exceeds the Allowable Daily Rated Value(s), initiate steps to reduce the ambient temperature. (Provide auxiliary cooling, reduce plant .
~ 1oad, reduce lighting levels 7ete!)"-":r--------- -
.1 Record Elgar Inverter area temperatures hou5y, if Elgar
' g)
I er temperatures exceed 104*F.
! : .One significant ambient temperature . excursion (4 hours) above Jhe all.owable
! daily rated values, but below the Maximum -
- Allowable Ambient Values, is permitted in any 24 hour period.
4.5.2 If the ambient temperature exceeds the Allowable Daily
' Rated Value(s) for greater than 4 hours or if the i i ambient' temperature exceeds the Maximum Allowable *
~
Value(s), the Elgar inverter, power cables and other ! g?.s ; equipment within that room shall be consiuered i2 inoperable and the Unit shall be shutdown in accordance
!I with applicable Tech. Spec. requirements. In all. ';
cases, this would require a shutdown in acccrdance with I - Tech. , Spec. 3.0. [ 4.6 Determine if this event is classified as an emergency per 501-VIII-1, Recognition and Classification of Emergencies. If this event is not so classified, notification shall be made in accordance J. with 501-14-13, Notification and Reporting of Significant Events. :! 5.0 ATTACHMENT ($) . 5.1 None r 6.0 REFERENCE l 6.1 Letter to H. B. Ray from D. K. Nelson, dated June 18, 1982, concerning 480V/4kV Room Ambient Temperature Operating Criteria. 7.0 RFCORD($) 7.1 None l \ l 1 I
- JWReynolds:0827g -_!
i . I I _ _ _ , _ _ . _ . . _ . _ _ , . . _ . _ _ . . _ . _ _ _ . __. _ . . _ . , . _ _ . _ , _ _ _ , , , _ _ _ _ . , _ _ . _ _ _ _ , - _ _ , _ . , _ . .}}