ML20091F190
| ML20091F190 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  (DPR-77-A-155, DPR-79-A-146) |
| Issue date: | 04/15/1992 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20091F194 | List: |
| References | |
| NUDOCS 9204200189 | |
| Download: ML20091F190 (3) | |
Text
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POWER DISTRIBUTION LIMITS SURVEllt.ANCE REQUIREMENTS (Cont,inued) e.
With measurements indicating maximum II) over z K(z)
N has increased since too previous determinatin of F9 (z) either of the following actions shall be taken:
N 1.
Fg (z) shall be increased by 2 percent over that specified in 4.2.2.2.c, or N
2.
Fg (z) shall be measured at least once per 7 etfective full power days until 2 successive maps indicate that F (2) maximum is not increasing, over z K(z) f.-
With the relationships specified in 4.2.2.2.c above not being satisfied:
1.
Calculate the percent F (z) exceeds its limit by the following exnrossion:
n M
Fq (z) x W(z)
-1 x 100 for P > 0.5 maximum over z IP p
x K(z)
P s
F "(I) x W(z) maximum n
-1 x 100 for P < 0.5 1
over z RlP p
x g[g)
.5 2.
Either of the following actions shall be taken:
L a.
Place the core in an equilibrium condition where the limit in 4.2.2.2.c is satisfied.
Power level may then be increased provided the AFD limits of Specifi-cation 3.2.1 are reduced 1% AFD for each percent F (z) l l
exceeded its limit, or g
b.
Comply with the requirements of Specification 3.2.2 for F (z) exceeding its limit by the percent calculated above.
9 SE0VOYAH - UNIT 1 3/4 2-7 Amendment No. 19, 95, 140, 155 9204200189 920415 PDR ADOCK 05000327 1
'P PDR
1 i
4 POWER DISTRIBUTION LIMITS SURVEILLANCE REQUIREMENTS (Continued) e.
With measurements indicating I (*)
maximum over 2 z
has increased since the previous determinatin of Fq (z) either of the following actions shall be taken:
N(z) shall be increased by 2 per;ent over that specified in 1.
Fq 4.2.2.2.c, or N
2.
Fq (z) shall be measured at least once per 7 effective full power days until 2 successive maps indicate that Fh(2) maximum is not increasing.
over z K(z) f.
With the relationships specified in 4.2.2.2.c above not being satisfied:
1.
Calculate the percent F (z) exceeMs its limit by the following expression:
g N
Fg (z) x W(z)
I x 100 for P > n.5 maximum 4
over z A
plRTP /
x K(z)
(Z) * (*)
maximum
-1 x 100 for P < 0.5 4
over z RTP..
p x K(z)
- 0. 5 2.
Either of the following actions shall be taken:
a.
Place the core in an equilibrium condition where the limit in 4.2.2.2.c is satisfied.
Power level may then be increased provided the AFD limits of Specifi-cation 3.2.1 are reduced 1% AFD for each percent F (z) exceeded its limit, or q
b.
Comply with the requirements of Specification 3.2.2 for F (z) exceeding its limit by the percent calculated above.
q SEQUOYAH - UNIT 2 3/4 2-6 Amendment No. 21, 95, 131, 146 l
POWER DISTRIBUTION LIMITS SURVEILLANCE REQUIREMENTS (Continued) e.
With measurements indicating IQ (I) maximum over z K(z) has increased since the previous determinatin of f0 (z) either of the following actions shall be taken:
N 1.
Fq (z) shall be increased by 2 percent over that specified in 4.2.2.2.c, or N
2.
Fq (2) shall be measured at least once per 7 effective full power days until 2 successive maps indicate that F (z) maximum is not increasing.
over z K[iT f.
With the relationships specified in 4.2.2.2.c above not being satisfied:
1.
Calculate the percent F (z) exceeds its limit by the following expression:
q N
~g (z) x W(z)
F maximum
-l x 100 for P > 0.5 4
over z RTP k
l x K(z)
)
N 3
Fq (z) x W(
3 x 100 for P < 0.5 maximum 4
over z RTP p
x g(7)
.5 2.
Either of the following auf ons shall be taken:
a.
Place the core in an equilibrium condition where the limit in 4.2.2.2.c is satisfied.
Power level may then be increased provided the AFD limits uf Specifi-cation 3 2.1 are reduced 1% AFD for each percent F (z) exceeded its limit, or 0
b.
Comply with the requirements of Specification 3.2.2 for F (z) exceeding its limit by the percent calculated above.
9 SEQUOYAH - UNIT 2 3/4 2-6 Amendment No. 21, 95, 131, 146
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