ML20248E186
{{#if:09/28/1989|{{#if:05000302|{{#if: | {{#invoke:Navbox|navbox}}{{#arraymap:|,|xx|[[Project::xx| ]]| }} | {{#if:{{#ask:[[{{#arraymap:|,|xx|xx|||}}]]}}|{{#if:{{#ask:document::ML20248E186[[Project::+]][[issue date::<{{#time:m-d-Y|09/28/1989 + 9 months}}]]|mainlabel=-|?Project=|link=none|limit=1|sort=issue date|order=descending}} |{{#invoke:Navbox|navbox}} }}
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}}{{#if:{{#if:ML20248E186|Download: [[URL::http://pbadupws.nrc.gov/docs/{{#sub:ML20248E186%7C0%7C6}}/ML20248E186.pdf%7CML20248E186]]|[[URL::http://pbadupws.nrc.gov/docs/{{#sub:%7C0%7C6}}/.pdf%7C]]}} {{#if:33|(page count::33)}}|}}{{#if:Adams|}}
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| {{#if:ML20248E186|Download: [[URL::http://pbadupws.nrc.gov/docs/{{#sub:ML20248E186%7C0%7C6}}/ML20248E186.pdf%7CML20248E186]]|[[URL::http://pbadupws.nrc.gov/docs/{{#sub:%7C0%7C6}}/.pdf%7C]]}} {{#if:33|(page count::33)}} | |||
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}}{{#if:TECHNICAL SPECIFICATIONS & TEST REPORTS, TEST/INSPECTION/OPERATING PROCEDURES|{{#arraymap:TECHNICAL SPECIFICATIONS & TEST REPORTS, TEST/INSPECTION/OPERATING PROCEDURES|,|x|| }}{{#if:{{#show:ML20248E186|?site}}|{{#invoke:Navbox|navbox}}
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- a
.. :nC j. ;., *.- /~'s .ICC REVL 9' DATE 09/20/89-EP-290 .'s, f 4 l; INADEQUATE CORE COOLING I. l _ 1.0 ENTRY CONDITIONS" JE incores indicate superheated conditions, IBili use this procedure. --~ -?n,vacamyc;mym,I Document Secuan .i
- l-
- N F O R M A T 3 C N O iV L
] i C. R. Hactaar y hwwmaxmmansraeremve,-- 2 . p.g. NJ. This Procedure Addresses Safety Related Components Approved by NOS4.id Date o9 - u - ep EP-290 PAGE 1 of 33 ICC 091005o094 890928 PDR ADOCK 05000302 ge; PDC _ =
i . p"*% b a BLANK PAGE O O EP-290 REV 9 PAGE 2 of 33 ICC l lE - _ _---
, 2.0 IMMEDIA.- CTIONS f ACTIONS DETAILS L/ 2.1 Ensure full HPI flow. 1. Ensure MVP suctions from BWST are open: o MUV-58 o MUV-73. 2. Ensure at least 2 MVPs are operating. 3. Ensure all available HPI valves are open: o MUV-23 o MUV-24 o MUV-25 o MUV-26. 4. Ensure MVP recircs are closed: o MUV-53 o MVV-257. 5. Verify HPI flows, f-) ~ i) 2.2 IE LPI is delivering flow, 1. Ensure 2 DHPs are IHEN ensure full LPI flow. operating. 2. Verify full LPI flow. 2.3 Ensure OTSGs are at 95% level. 1. Ensure both trains of EFW are actuated. 2. Ensure 95% level setpoint is selected on both trains. 3. IE OTSG levels are NOT at 95%, IEEH ensure > 125 gpm/0TSG EFW flow. i . / kl EP-290 REV 9 PAGE 3 of 33 ICC
i l J (*3 ^ \\) I BLANK PAGE O l (' \\ EP-290 REV 9 PAGE 4 of 33 ICC
~ FOLLOW-UP ACTIONS 3.0 l s- ' ACTIONS -DETAILS 3.1 Ensure CFT isolatior. Ensure open: valves are open. o CFV-5 o CFV-6. -l 3.1.1 Ensure RB isolation has Ensure RB isolation and cooling occurred on both ES trains status lights are blue. CAUTION -1E EFP-1 is HQI available, SN_Q EFP-2 is NOT on AS, IHER maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2. l 3.2 IE EFP-l'is HQI Open: available, IHEN notify TB Operator to 1 ASV-18, AS isolation from align AS to EFP-2. Units 1 and 2. .' l ~ 2 ASV-15, AS Hdr isolation to EFP-2. 3 Blowdown lines on AS line drain trap. 4 ASV-23, AS isolation to EFP-2. 3.3 Maintain OTSG Tsat Lower OTSG PRESS using TBVs 300*F below Tsat for or ADVs. existing RCS PRESS until 0TSG heat removal is established. EP-290 REV 9 PAGE 5 of 33 ICC
> ' jag.:W, '. :'t * :._, , ' ' ' : ************************************************************e*******a** 7 c,' ~ CAUTION 9-,. (J' 1E EFP-1 is N_QI available, AND EFP-2 is 110J. on AS, Itid maintain OTSG PRESS > 100 psig,. to. ensure ' avail ability 'of EFP-2. ' L. L O o t O EP-290-REV 9 PAGE 6 of 33 ICC I b ._ j ___1_n___.._._..._...
l +- 4 f3.0 ' FOLLOW-UP ACTIONS (CONT'D) v ACTIONS DETAILS 3.4. H RCS PRESS reaches Depressurize RCS using PORV. 2300 psig, IBEN depressurize RCS to E PORV fails to close, 100 psig above OTSG PRESS. IBEM close RCV-11, PORV block valve. H PORV is HQI available, JBEM depressurize RCS using High Point vents: RCV-157 RCV-158 RCV-163 RCV-164 RCV-159 RCV-160. '3.5 H, at'. anytime while
- 1. Reset LPI bistables:
performing this procedure, LPI actuation.is present,- .RC4.in ACT. CHAN. CAB. #1 A_HD RCS pressure is > 500 PSIG RC5 in ACT. CHAN. CAB. #2 ~IBEH: RC6 in ACT. CHAN. CAB. #3 Stop both LPI pumps.
- 2. E HPI actuation is present, IBEM select the following to Go to Step 3.6' of.this
" BYPASS".on both A and B HPI procedure. . channels: "HPI RC1" i "HPI RC2" "HPI RC3" -3. Ensure HPI valves are throttled to maintain equal flows on all 4 injection. lines.
- 4. STOP DHP-1A and DHP-1B 1
. EP-290 REV 9 PAGE 7 of 33 ICC 1 I i _____._____.-.___-___-._-______m.-___________m.-.--__----
9 ;; l 5 ~1 CAUTION g, - t U 1E EFP-1 is HQI available, M-MD EFP-2 is NDI on AS,= ltiEN maintain OTSG PRESS > 100 psig,. to ensure availability of.EFP-2. . =. I I L c. I: 1.- (s EP-290 REV 9 PAGE 8 of 33 ICC .___________,_.mm_. l s
x p ~;, g 4 :;. 3.0 ~F0LLOW-UP ACTIONS (CONT'D) k. .. ( ACTIONS DETAILS -3.5.1 IE, at anytime while o Ensure DHV-110 and - I performing-this' procedure, DHV-111.are operating ~ LPI actuation:is present,
- properly..
Alg} RCS pressure is'< 500 PSIG A!H1 LPI flow is.>' 300. o Refer to OP-404 for'DHP GPM /. pump-run time limits. It[EN: o Select-the following.to Ensure proper operation " BYPASS" on both A and B Bypass LPI actuation-channels: Go to Step 3.6 of.this "LPI RC4"- procedure. "LPI RC5" "LPI RC6" a $ O 4 -\\ EP-290- 'REV 9 PAGE 9 of 33 ICC
E, e4m. .1, o 7 .g. p,i h.' CAUTION y;. n.n l t
- lE E'FP-1 is N_QI available,-
t F Al B(Q EFP-2 is 11Q1 on AS, J IliEli maintain OTSG PRESS > 100 psig, .)
- to ensure availability of EFP-2.
1 l3 2-iy ' ' . =. ("'y , u. i-F .[ i EP-290 REV 9 PAGE 10 of 33 ICC
3.0 FOLLOW-UP ACTIONS (CONT'D)- i i jh -ACTIONS DETAILS- , A_/ li 3.5.2: IE, at-anytime while o Select the following to 1 L - performing this procedure, " BYPASS" on both A and B LPI actuation is present channels: ANQ RCS pressure is < 500 PSIG ANQ LPI flow is < 300 "LPI RC4" GPM / pump "LPI RC5" "LPI RC6" Bypass LPI actuations ' Increase LPI flow o To increase LPI flow,' Perform the following steps in order. l 1. Ensure DHV-110 and DHV-111 are open. If LPI flow is >300 GPM. IHfH GO T0 step 3.6 2. Open the PORV o RCV-10 if LPI flow is >300 GPM IBEH GO T0 step 3.6 3. Perform step 3.6 of this procedure, HPI suction from LPI. IHEN RETURN IQ this step. 1E LPI flow is >300 GPM IBEN GO T0 step 3.6 4. Open the High Point vents. PZR vents: o RCV-159 o RCV-160 Hot Leg vents: o RCV-157 o RCV-158 o RCV-163 o RCV-164 GO T0 step 3.6 _.__m._._ m
-a e3 "s-f' h 4,, ._e.:, .e 'ks.~i g' ' t -;r, -,..... s... .0 CAUTION IE EFP-1 is HQI avai'lable, l1..... e ' MQ EFP-2 is g)I on AS - It!EN maintain OTSG PRESS > 100 psig, o - to ensurt availability of EFP-2... ,. **************************************************a******************** t ,2 1 ok i. N EP-290 .REV 9 PAGE 12-of 33 ICC ,'t ! I;f;,
, 3.0 FOLLOW-UP ACTIONS (CONT'D) a j"'% : 1, ) ACTIONS DETAILS CAUTION Due to MUV-62 being normally closed, both DH trains are required to be in operation to ensure suction to all the MVPs. 3.6 IE, at any time while 1 Ensure Open LPI suctions performing this procedure, from BWST: BWST level reaches 4 ft, IEEN c DHV-34 o DHV-35. 1 Establi % LPI suction 2 Start DHP-1A and DHP-10. from Bi;. 3 Open HPI suctions from 2 Establish HPI suction LPI: from LPI. o DHV-11 o DHV-12. 3 Notify AB Operator to energize DHV-3. 4 Close HPI suctions from BWST: o MUV-58 o MUV-73. O (s,) 5 Observe MVPs for signs of cavitation. 6 Energize DHV-3 at l ES-MCC-3A1. 'l g-s k-EP-290 REV 9 PAGE 13 of 33 ICC 1
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. CAUTION -lE EFP-1 is NOT available, AM EFP-2 is @l on AS, JEEN maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2.- 1 l 3.6 If BWST-level reaches 4 ft, ItiEN: 'l. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. Od ~ 1.. 1. 1 EP-290-REV 9 PAGE 14 of 33 ICC t.
a 4 3.0 ~ FOLLOW-UP ACTIONS (CONT'D) '(f ACTIONS-DfEIAILS 3.7 E at any time while 1 Select BS control valve performing this procedure, controllers to " LOCAL": BWST level reaches 2.5 ft, IliE8 o BSV-3 o BSV-4. Select BS control valves 2 Verify RB sump level of to " LOCAL". 1 1 ft. Establish LPI suction 3 Open LPI suctions from from RB sump. RB sump: Close NaOH tank cutlet. o DHV-42 o DHV-43 valves. 4 Close LPI suctions from the BWST: o DHV-34 o DHV-35 5 Ensure HPI suction from LPI. 6 Close NaOH tank outlets: o BSV-11 o BSV-12 3.8 Determine proper ICC region o Select SPDS to ICC curves based on incore TEMP and with incores selected. RCS PRESS. IE SPDS is HQI operable, IliEN Avg the 5 highest incores TEMPS AND see Enclosure I for proper ICC region. o Refer to computer group 60 for incore TEMPS. EP-290 REV 9 PAGE 15 of 33 ICC 1, t-' ' ______-____________-________-__L
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CAUTION '9 E EFP-1 is NOT available, %/ afgl EFP-2 is RQI on AS, ItiM maintain OTSG PRESS > 100 psig, to ensure avai' lability of EFP-2. 3.6 E BWST level reaches 4 ft, IfiM: 1. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. 3.7 E BWST level reaches 2.5 ft, It!M: o Select BS control valves to " LOCAL", v o . Establish LPI suction from RB sump, o Close Na0H tank outlet valves. p \\ ~EP-290 REV 9 PAGE 16 of 33 ICC x
i 3.0 FOLLOW-UP ACTIONS (CONT'D) fsx_) ACTIONS DETAILS CAUTION Do NQI revert to'the actions for the less severe ICC region unless directed by this procedure to ensure core cooling is i maintained.
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I 3.9 IE, at any time while i performing this procedure, j incore TEMPS increase to 1 region 3, j i IHEN GO TO Step 3.15 in this procedure. 3.10 1E, at any time while performing this procedure, incore TEMPS increase to Region 4, IBEN GO TO Step 3.24 in this procedure. {~3 ~ i \\.) 3.11 1E incore TEMPS are in region 1 or 2, IBEN maintain: Full HPI flow, Full LPI flow if available, OTSGs at 95% level, RCS PRESS < 2300 psig, OTSG Tsat 100*F below Tsat for existing RCS PRESS. t -s EP-290 REV 9 PAGE 17 of 33 ICC 1~ 1
i CAUTION ] E EFP-1 is HQI available, AND EFP-2 is HQI on AS, JEfB maintain OTSG PRESS > 100 psig, 1 -to. ensure availability of EFP-2. i 3.6 E BWST level reaches 4 ft, ItiEH: 1. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. 3.7 E BWST level reaches 2.5 ft, 161H: o ~ Select BS control valves to " LOCAL", Establish LPI suction from RB sump, o o Close NaOH tank outlet valves. 3.9 E incore TEMPS increase to region 3, It!EH GO TO Step 3.15. 3.10 E incore TEMPS increase to region 4, It!E.8 GO TO Step 3.24. . k EP-290 REV 9 PAGE 18 of 33 ICC i' 1 1.
r ~ FOLLOW-UP ACTIONS (CONT'D) 3.0 F~N ACTIONS DETAILS Q). 3.12 1E incore TEMPS enters region 1, Alg} RCPs are running, IHEN establish 1 RCP/ loop operating. L 3.13 Maintain full HPI Adequate Subcooling Margin flow until adequtte subcooling margin is RCS PRESS MARGIN established. > 1500 psig i 20*F s 1500 psig 2 50*F M9t1 IE incore TEMPS have been in region 3, JHEN high point vents should remain open until adequate subcooling H margin or DHR is established. v) 3.14 )[HfH adequate subcooling margin is established, IHEN: 1 Ensure all high point Ensure closed: vents are closed, RCV-157 RCV-158 2 GO TO AP-380, ES Actuation, beginning RCV-159 RCV-160 with step 3.3. RCV-163 RCV-164. j
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' ~* [4' cecconoccu<ecco m ooooooooooooooooc*oooooococeae******e**************** CAUTION L.c, E EFP-1 is MI available, N ( )- L A E EFP-2 is NOT on AS, IHEN maintain OTSG PRESS > 100 psig, .to ensure availability of EFP-2. 0 3.6 E BWST level reaches 4 ft, ItlEN: 1. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. 3.7 E BWST level reaches 2.5 ft, IHEN: o Select BS control valves to " LOCAL", o Establish LPI suction from RB sump, o Close Na0H tank outlet valves. 3.10 E incore TEMPS increase to region 4, It!EH GO TO Step 3.24. o O te-2eo arv e e^ot 2o r >> ice
r e 3,0 FOLLOW-UP ACTION $ (CONT'D) () ACTIONS DETAILS U E91% The following steps are for incore TEMPS in region 3. 3.15 IE RCPs are available, o RCPs are available when RCP IHEN start 1 RCP/ loop start permissives are met, AHQ manually control OTSG 1evels at 95%. o Select all 4 EFIC control valves to manual and control level at 95%. 3.16 Maintain OTSG Tsat 100*F Lower OTSG PRESS using TBVs below Tsat for existing or ADVs. RC PRESS until.0TSG Heat removal is established. 4 3.17 Open all high point vents. Open: ,- s \\' RCV-157 RCV-158 RCV-159 RCV-160 RCV-163 RCV-164. 3.18 Notify Chemistry to begin Notify Chemistry to refer to monitoring RB atmosphere EM-308, Post Accident Sampling H2 level. of the RB Atmosphere. (_,) EP-290 REV 9 PAGE 21 of 33 ICC l
occ aceconec+anoocooocooaccoeoneceoooooooeococoosenecooee coeaecoeco CAUTION ,7~'s IE EFP-1 is NOT available, T,,) AND EFP-2 is NOT on AS, IEEN maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2. 3.6 IE BWST level reaches 4 ft, IHEN: 1. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize PHV-3. 3.7 IE BWST level reaches 2.5 ft, THEN: o Select BS control valves to "L0r.AL", ./~'T \\s' o Establish LPI suction from RB sump, o Close Na0H tank outlet valves. 3.10 1E incore TEMPS increase to region 4, THEN GO TO Step 3.24. () EP-290 REV 9 PAGE 22 of 33 ICC
ff, }.0 F0LLOW-UP ACTIONS (CONT'D) e (/ ACTIONS DETAILS .3.19 Determine if OTSG heat Indications of heat removal removal is established. are: o OTSG remain pressurized while being steamed. o Incores lower, when OTSG PRESS is lowered. 3.20~ E OTSG heat removal is ~ N_QI established, M open PORV E maintain OTSG Tsat 100*F below RCS Tsat. 3.21 E OTSG heat removal is Regulate RCS PRESS using PORV. established, M regulate RCS PRESS at O 25 to 50 psig above . k./ OTSG PRESS. 3.22 E RCS PRESS and TEMP remain in Region 3, E maintain: 1 RCP/ loop operating, All high point vents open, E OTSG heat removal exists, M maintain RCS PRESS 25 to 50 psig above OTSG PRESS, H OTSG heat removal does NOT exist, THEN maintain PORV open, M maintain OTSG Tsat 100*F below RCS Tsat. EP-290 REV 9 PAGE 23 of 33 ICC
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-**eo****oeceo***e****eoo..e*****eoo**e ****eee****************e******** CAUTION 1E EFP-1 is.N_QI available, V('i: AtlD EFP-2 is NOT on AS, lH_Q! maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2.
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3.6 1E BWST level reaches 4 ft, IEEH: 1. Establish LPI suction from BWST, 2. Establish 'HPI suction from LPI, t 3. Energize DHV-3. 3.7 IE BWST level reaches 2.5 ft, It!EH: o Select BS control valves to " LOCAL", o Establish LPI suction from RB sump, o Close NaOH tank outlet valves. O te-290 R<v e eAec 24 ef >> icc
~ l -3.0 FOLLOW-UP ACTIONS (CONT'D) l ~ DETAILS l [ ') ACTIONS sm l Y IE subcooled Hat Cire is established, ]lH]i the PZR vents should be used to depressurize j the RCS to ensure a slow rate of depressurization. 3.23 If incore TEMPS enter See Enclosure I for ICC regions. region 2, IBfN GO TO Step 3.11 in this procedure. Note The following steps are for incore TEMPS in region 4. 3.24 If incore TEMPS enter Ensure Open: f'~ S region 4, (',/ 1818 ensure PORV is open, RCV-10 RCV-11 6NQ all RCS high point vents are open. RCV-157 RCV-158 RCV-159 RCV-160 RCV-163 RCV-164. 3.25 IE RCP power is available, Bypass start permissives using IHfH bypass RCP start key 36 in the SS0D key locker. permissives, l ANQ start all RCPs. 3.26 Manually control OTSS Select all 4 EFIC control levels at 95%. valves to manual. i\\s-EP-290 REV 9 PAGE 25 of 33 ICC
~. ~ {AUTION d IE EFP-1 is NOT available, a!iQ EFP-2 is N_QI on AS, Ilim maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2. 3.6 1E BWST level reaches 4 ft, ItiM: 1. Esttblish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. 3.7 If BWST level reaches 2.5 ft, ItiM: o Select BS control valves to " LOCAL", ~ Establish LPI suction from RB sump, o o Close NaOH tank outlet valves. EP-290 REV 9 PAGE 26 of 33 ICC
i 3.0 FOLLOW-UP ACTIONS (CONT'D) i l !- / T ACTIONS DETAILS ~ V 3 3.27 Lower OTSG PRESS to Ensure open. Atmospheric PRESS. I o TBVs o ADVs I i CFT and LPI flows may be cyclic at first, due to water flashing to steam when it contacts the dry core. 3.28 Continue to lower RCS Ensure open: PRESS to allow CFT and LPI to restore core cooling. RCV-10 RCV-11 RCV-157 RCV-158 RCV-159 RCV-160 , ~., (] RCV-163 RCV-164. 3.29 101Eli incore TEMPS become saturated, THEN reduce operating RCPs to 1/ loop. 3(V EP-290 REV 9 PAGE 27 of 33 ICC
~;. =,. ~
- L CAUTION rx
( )L 1E EFP-liis NOT availabic, AND EFP-2 is HQI on AS, IHEN maintain OTSG PRESS > 100 psig, to ensure availability of EFP-2. 3.6 IE BWST level reaches 4 ft, IHEN: 1. Establish LPI suction from BWST, 2. Establish HPI suction from LPI, 3. Energize DHV-3. 3.7-IE BWST level reaches 2.5 ft, IHEN: o Select BS control valves to " LOCAL", ~ Establish LPI suction from RB sump, o o Close Na0H tank outlet valves. O EP-290 REV 9 PAGE 28 of 33 ICC
V o yj 3.0~ FOLLOW-UP ACTIONS (CONT'D) e i 1 [ ACTIONS DETAILS 3.30J '1E RCS PRESS is' 5 150 psig, o Close: i IliEH close all RCS high ..( point vents,- RCV-157 RCV-158 E maintain RCS. PRESS s 150 psig. RCV-159 RCV-160 RCV-163 RCV-164. o Maintain RCS PRESS s-150 psig by opening and closing the PORV. IE PORV fails to close, ItiEH c1ose RCV-11, M maintain RCS PRESS using PZR vents. 3.31 Maintain'OTSGs at atmospheric PRESS, and at 95% level. O 3.32'Et!EN LPI flow is established at 2 1000 gpm/ injection line for 20 min, IliEN: Stop all RCPs, Isolate CFTs, Close CFV-5 and CFV-6. Select PORV to " LOW RANGE", Stop all HPI. Stop all MUPs. Close HPI valves: MUV-23 MUV-24 MUV-25 MUV-26. EP-290 REV 9 PAGE 29 of 33 ICC
f'- q.' ~* g,. e ( , v-W l l e t BLANK PAGE R.] i EP-290 REV 9 PAGE 30 of 33 ICC
9 e i j,, -,6,,. g, 3.0 FOLLOW-UP ACTIONS (CONT'D) r) (j ACTIONS DETAILS CAUTION 'Do not establish a flow path in any system isolated by ES without a prior review of the potential release of radioactive gas or liquid. 3.33 GO TO OP-404, DHR System, Section 4.13, for long term core cooling guidance. 2 ) ~ 9 e EP-290 REV 9 PAGE 31 of 33 ICC
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l 1 gs . i BLANK PAGE O O EP-290 REV 9 PAGE 32 of 33 ICC
-o Inadequate Core Cooling Regions based on Incore TEMPS ( 2600 2400 I Saturation Curve 2200 9 2000 REGION 1800 REGION 1600 7 7 ] '400 ""e REGION / 3 /T-clad > 1800
- 200
,k 1000 [ / 800 REGION 4 A 600 1 400 ~ 200 400 600 800 10b0 1200 INCORE TEMP (0F) EP-290 REV 9 PAGE 33 of 33 ICC}}