ML19275A872
| ML19275A872 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 10/15/1979 |
| From: | VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | |
| Shared Package | |
| ML19275A871 | List: |
| References | |
| NUDOCS 7910190399 | |
| Download: ML19275A872 (5) | |
Text
~
TAllLE 3.3-3 S
ENGIf!EERED SAFETi FEAT!!RE ACTllATI0tl SYSTEM IllSTRur{fuAT10t[
E lililillllli M
TOTAL 110.
CilAlllit.l.S
(:llAlllliIS APPL 1CADLE 5
Ful!CTIONAL UNIT OF CllAtillELS TO 'IRIP OPlHAllli, MODES ACTI0ft il i
i i
c:
1.
SAFETY IrlJECTION, TURBillE TRIP AtlD
}
FEEDWATER ISOLAT10'4 l
a.
Manual Initiation 2
1 2
1,2,3,4 iJ b.
Automatic Actuation 2
1 2
1,2,3,4 13 c.
Containment 3
2 2
1,2,3 14 1
Pressure-liigh
.'l y
+
d.
Pressurizer 1, 2, 3 14 I
I Pressure - Low-Low 3
2 2
w2
't s
\\
1,2,3 c.
Dif ferential Pressure Between Steam Lines - liigh Three Loops 3/ steam line 2/ steam line 2/ steam line 14 3
Operating twice and 1/3 steam lines
- steam 2/ operating 15 l
/
Two Loops 3/ opera ting 2
4 Operating 1
steam line line twice stear.. line in either j
3 operating e
m.
steam line 9
o, 3f C
t 1, 2, 3 I
C r0 f.
Steam Flow in Two W
Steam Lines-liigh 2
PER brain?.l
~
r
5 nd TABl.E3.3-3(Continue <f),
ENGINEEllED SAFETY FEATullE lilli.llt.UCQ All.0WABLE E
DESIGNATION CONDIT1011 SETP01flT VALUES FullCTION P-ll tilth 2 of 3 pressurizar 2000 psi 0
< 2010 psig P-ll prevents manual block of
-i safety injection actuation on pressure channels abovo low-low pressurizer pressure.
setpoint
' 1990 psig P-ll allows manual block of With 2 of 3 pressurizer 1980 psig safety injection actuation on pressure channels below low-low pressurizer pressure.
setpoint
'u
\\
s hannels 543*F (flominal)
< P S*F P-12 p.avents manual block of 3
P-12 With 2 of 3 T c
safety injection actuadon on I'
above setpoint high steam line flow m
w With 2 of 3 T channels 543*F (llaminal)
> 541 F P-12 allows manual block of safety. injection actuation on V9 below setpoint high steam line flow I
,l m
Q ff N
4 N
g (e
TABLE 3.3-4 m
--e x
ENGillEERr0 SAFETY FEATURE At.i'Jf,TI6il SYSTff! IllSillllllllll ATiull TitIP SETPolllTS R
5 FurlCTI0flAL UtlIT TRIPSETPolil[
ALLOWADLE VALUES ri 1.
SAFETY INJECTI0ft, TURBillE TRIP Afl0 FEEDilATER ISOLAT!0ii a.
!1anual Initiation flot Applicahic flot Applicable b.
Automatic Actuation Logic flot Applicable flot Applicable c.
Containment Pressure--liigh 1 17 psia 1 19 psia d.
Pressurizer Pressure -- Low-Low 1 1765 psig 1 1755 psig u2 e.
Differential Pressure 5 100 psi 1 112 psi DetweenSteamLines--Ilighg f.
Steam Flow in Two Steam Lines--
< A functic defined as
< A function defined as
--Low-Low follows:
a..p correspond follows:
a Ap corresponding liigh Coincident with T. Eow ing to 40% of full steam to 44% of full steam flow or Steam Line Pressured flow between 0% and 20%
between 0% and 20% load and load and then a Ap increas-then'a Ap increasing linear-ing linearly to a Ap corre-ly to a Ap corresponding to sponding
'_o 110% of full 111.5% of full steam flow steam flow at full load at full load T
1 543"F T
3 541 F
]
aN0psigsteamline 1aN0psigsteamline g,
1
!t pressure pressure N
A
~~
V e
h
1 TABLE 3.3-5 (Continued)
ENGIllEERED SAFETY FEATURES RESP 0tiSE TIMES
~
IrlITIATING SIGilAL AND FUtlCTION RESP 0tlSE TIME IN SEC0tt0S 3.
Pressurizer Pressure--tw-t m a.
Safety Injection (ECCS) 1 27.0*/13.0#
b.
Reactor Trip (from SI) 1 3.0 c.
Feedwater Isolation 1 8.0 d.
Centairment Isolation-Phase "A" 1 18.0#
e.
Auxiliarf Feecwater Pumps 1 60.0 f.
Essential Sartice Water System Not Applicable 4.
Dif=enntial Pressure Between Steam Lines-Hioh a.
Safety Injection (ECCS).
1 13.0#/23.0!#
b.
Reactor Trip (from SI) 1 3.0 10 8
c.
Feedwater Isolation d.
Contain ent Isolation-Phase "A" 1 18.0!/28.0##
e.
Auxiliary Feedwater Pumps
< 60,0 f.
Essential Service Water System Not Applicable 5.
Steam Flcw in Tio Steam Lines - ilich Coincident
' ~ '
witn I
--Low-Low gg Safety Injection (ECCS) 1 15.0#/25.0!#
a.
5 10 b.
Reactor Trip (from SI) c.
Feedwater Isolation 1 10.0 d.
Containment Isolation-Phase "A" 1 20.0#/30.0## ;
e.
Auxiliary Feeddater pumps
< 60.0 f.
Essential Service Water System flot Applicable
~
g.
Steam Line Isolation
< 10.0 s
NORTH ANNA - UtlIT 1 3/4 3-28 1185 2,44
TABl.E 4.3-2 n9a E
ENGINEERED SAFETY FEATURE ACTUATI'0!l SYSl((I_lJui[lt,1.j,lRjj] ATI0rl 7:
SURVEILLAllCE ilf.EREMI flTS_
s" CilAllNEL MODES Ill WillCH CilANNEL CllAllfl[L l'UllCTIONAL SURVEILLAllCE FUNCTI0llAL UNIT CllECK cal.IllRATION TEST REQUIRED
-l 1.
SAFETY INJECTION, TUR0lilE TRIP AND
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FELDWATER ISOLATION a.
lianual Initiation N.A.
N.A.
11 ( 1 )
1, 2, 3, 4 b.
Automatic Actuation Logic N.A.
N.A.
M(2) 1, 2, 3, 4 c.
Containment Pressure-liigh S
R 14 1, 2. 3 5
d.
Pressurizer Pressure--Low -Low S
R M
1,2,3
's i
e.
Differential Pressure S
R M
1, 2, 3 Between Steam Lines--High f.
Steam flow in Two Steam S
' R H
1, 7.: 3 Lines--liigh coincident with T
--Low.or Steam Line Pi dsure--Low l
2.
CONTAINMENT SPRAY co N.A.
fl. A.
M(1) 1, 2, 3, 4 Manual' Initiagon F'
a.
b.
Automatic Actuation Logic fl. A.
fl. A.
M(2) 1, 2, 3, 4 tn c.
Containment Pressure--High-S R
H 1, 2, 3 High
.