ML18026B089
| ML18026B089 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 06/26/1984 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML18026B090 | List: |
| References | |
| DPR-33-A-100-ER, DPR-52-A-094, DPR-68-A-067 NUDOCS 8407100631 | |
| Download: ML18026B089 (4) | |
Text
Hlnlnuu Operable Channels Per Trl Function (5)
TABI.N 3.2. I ~
INSTRUHENTATlON THAT IIIITIATFS BOD BLOCKS Function Trl Level Snttln 4(1) 4(1) 4(I) 4(1) 2(7) 2(7) 2(7) 6(1) 6(1) 6( I) 3(1) (6) 3(1) (6) 3( I) (6) 3(1) (6) 2( I) 2(1) 2(1't1 2)
X(i2)
APBII Upscale (F)ou Blas)
APBII Upscale (Startup Il<Ae) (8)
APBII Dounscale (9)
APBII lnoperatlve BRH Upscale (Flax Blas)
RDH Dounscale (9)
RBII Inoperative lRH Upscale (8)
IRH Dounscale (3) (8) lBH Detector not in Startup Posltlon (8)
IRH lnoperal,lve (8)
SRH Upscale (8)
SBH Dn'mscale (4) (8)
SBH Detector not In Stnrtup Pnsltlon (4)(8)
SPII lnoperat<ve (8)
Flora Bins Ceeparztnr Fin@ Ilies Upscale P~l Illncp topic BCSC Restraint (PS85-6lA,P1 Illgll ffalor l.t-'ual ltl Mast
>~crqpI l)lacllargII Tallll (l 4"Il5-45),)
Illall Mn(ar l.Oval lI) East.
)I;rI)I8 lllIIcllnrga Vallk c 0.66II + 42! (2)
I c12$
p3e (108)
$ 0.66II + 40 (2)(l3)
(10c)
$.108/125 of full scale
>5/125 of I'ull scale c IXI05 counts/sec,
> 3 counts/sec
~105 AIffr ence In reclrcu)at(on 'Ines
<llSZ cecltculatlcn ( lou I!/A 147 ps!q tur"ne plant stern t
<lS gal.
<25 gnl.
840710063l 840626 PDR ADOCK 05000259 P
NOTFS FOR TABLE
.2.C, The minimum number of operable channels for each trip function is detailed for the startuo and ~ positions of the reactor. mode selector switch.
The SRM, IRM, and APRM (startup mode),
blocks need not be operable in "run" mode, and the APRM (flow b'ased) rod
'locks need not be operable in "startup" mode.
Hith the number of OPERABLE channels less than r quired by the minimum OPERABLE channels pcs; trip function requirement, place at least one inoperable channel in the tripped condition within one hour.
2.
8 is the recirculation lnop flow in percent of design.
Trip level setting is in percent of rated power (3293 tilt).
A ratio of FRP/EPD&1.0 is permitted at reduced power.
See specification 2.1 for APRM control rod block setpoint.
3.
ZRM downscale is bypassed when it is on its lowest range.
~<
SRM's A and C downscale functions are bypassed when ZRM's A, C, E,
and G are above range 2'.
SRM's B and D downscale function is bypassed when ZRM's B, D, F, and H are above range 2.
, ~
SRM detector not in startup position is bypassed when the count rate is +100 CPS or the above condition is satisfied.
5.
During repair or calibration of equipment, not mor e than one SRN or RBM channel nor more than two APRM or ZRM channels may be bypassed.
Bypassed channels are not counted as operable channels to meet the minimum operable channel requirements.
Refer to section 3. 10.B for SRM requirements during core alterations.
6.
ZRN channels A, E, C,
G all in range 8 or above bypasses SRM channels A and C functions.
ZRM channels B, F, D, H all in range 8 or above bypasses SRM channels B and D functions.
V.
Thc follocine", operational restraints apply to the hIN nnly.
< 30$
a.
Both RBN channels are bypassed when reactor power is 30$
and when a peripheral control rod is selected.
b.
Thc !IiS ace<I not be operable in the "startup" I<oniti<en oI tn<<
rc< rtcr mode selector switch.
c.
T<<v III"4 rl<nnnclts nrc provided nnd only onc of'I<esc may bc byI~:<">>rd fro<<< thc console.
An IIIN channel may br.
<>ut ol s<<rvic<
f<<r tcntinr and/or maintenance provided this eo>><litio<<do<-
n.:t l<L-"l. ion<;cr than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in any thirty. day pcr"o<I.
- d. If minim<:m conditions for Ta'ole 3.2.C are not met, admini=tr>>tive con<.role, "ha<i be i"=.. diately imnoscd tn prevent control rcd Amendment Moe. R,+
<pp
NOTFS FOR TABLE
.2.C The minimum number of operable channels for each trip function is detailed for the startup and mn positions of the reactor. mode selector switch.
The SRM, ZRM, and APHM (startup mode),
blocks nerf not be operable in "run" mode, and the APRM (flow b'ased) rod blocks need not be operable in "startup" mode.
Pith the number of OPERABLE channels less than z quired by the minimum OPERABLE channels pa@ trip function requirement, place at least one inoperable channel in the tripped condition within one houz' 2.
8 is the recirculation leep flow in percent of design.
Trip level setting is in percent of rated power (3293 MIlt).
A ratio of FRP/EPD&1.0 is permitted at reduced peter.
See specification 2.1 foz'PHM contz'ol rod block setpoint.
3.
IRM downscale is bypassed when it is on its lowest range.
SHM's A and C downscale functions are bypassed when IRM's A, C, E, and G are above range 2.
SRM's B and D downscale function is.
bypassed when IRM's B, D, F, and H are above range 2.
SRM detector not in startup position is bypassed when the count rate is +100 CPS or the above condition Xs satisfied.
5.
During repaiz'r calibration of equipment, not more than one SPI oz RBM channel noz more than two APHM oz'RM channels may be bypassed.
Bypassed channels are not counted as operable channels to meet the minimum operable channel requirements Refer to section 3 10.B for SRM requirements during core alterations.
6.
IRM channe1s A, E, C,
G all in range 8 or above bypasses SRM channe1s A and C functions.
IRM channels B, F, D, H all in range 8 or above bypasses SRM channels B and D functions.
7.
Thc following opernLioncl restraints apply to the ItIN only.
a.
Both RBM channels aze bypassed when reactor power is 30$
and when a peripheral control rod is selected.
b.
Tbc Ital naa~l noL he operable in the "stnrtup" position of'na ra~atcr mode selector switch.
c.
Tvu III"4 rhonnal" are provided nnd only one of these may ba byp:v:::ad I'rom Lha console.
An IIIN chnnnel may bc uuL of scrvicv for tcstinr and/or maintenance provided thi" <<ondition dor" cist lu"L longer than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in any thirty de per'o<t.
- d. If minima". conditions for Table 3.2.C are not met, administrne.iva controls, shall be imm diately imposed tn prevent control rcd Amendment No/.....
94
NOTF-S. FOR TABLE 2.C The minimum number of operable
<channels foz each tzip function is detailed for the startup and mn positions of the reactor. node selector switch.
The SRM, ZRM, and APRM (startup mode),
blocks net not be operable in "run" mode, and the APRM (flow b'ased) rod blocks need not be operable in "startup" mode.
Mith the number of OPERABLE channels less than required by the minimum OPERABLE channels pea" trip function requirement, place at least one inoperable channel in the tripped condition within one hour e 2.
8 is the recirculation lnop flow in percent of design.
Trip level setting is in percent of rated power (3293 tilt).
A ratio of'RP/EPD&1.0 is permitted at reduced power.
~ See specification 2.1 for APRM control rod block setpoint.
3.
ZRM downscale is bypassed when it is on its lowest range.
SRM's A and C downscale functions are bypassed when ZRM's A, C, E, and 0 are above range 2.
SRM's B and D downscale function is.
bypassed when ZRM's B, D, F, and H are above range 2.
SRM detector not in startup pasition is bypassed when the count rate is +100 CPS or the above condition Xs satisfied.
5.
During repair or calibration of equipment, not more than one SR."1 or RBM channel nor more than two APRM or ZRM channels may be bypassed.
Bypassed channels are not counted as operable channels to meet the minimum operable channel requirements.
Refer to section 3.10 B for SRM requirements during core alterations.
6.
ZRM channe1s A, E, C, 6 all in range 8 or above bypasses SRM channels A and C functions.
ZRM channels B, F, D, H all in range 8 or above bypasses SRM channels B and D functions.
7.
Thc following operational rcstrainta apply to the R1W nnly.
OC a.
Both RBM channels are bypassed when reactor power is 30, and when a peripheral control rod is selected.
b.
Thc l(IS ace<I not be operable in the "startL<p" position of tn<:
rc<<ctcr made selector svitch.
c.
TMo RL4 rhanncl" are provided nnd only onc of tl<esc byr:<"ard f'rom tl<c console.
An HIM channel may bc
<>ut of'ervice A~r tcstinr and/or maintenance provided this condition do<-
cist la"t 1cn<;cr than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in any thirty day per'od.
d.
Zf minicm. conditions for Table 3.2.C are not met, admini trativc controls, shall be i=-diately imnosed tn prevent control rcd Amendment Nos.
6, 67 77