ML20055E141
| ML20055E141 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 07/05/1990 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20055E129 | List: |
| References | |
| NUDOCS 9007110052 | |
| Download: ML20055E141 (2) | |
Text
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,s QUAD-CITIES DPR-29
{ ;g G.
Jet Pumps-G.
Jet Pumps 1.
kenever the reactor is in the
-1.
Whenever there is recirculation
- Startup/ Hot Standby =or Run flow with the reactor in the 4
. modes, all jet pumps shall be Startup/ Hot Standby or Run intact, and all operating jet modes, jet pump integrity and -
A pumps shall be operable.- If it operability shall be checked is determined that a jet pump is daily by verifying that two of'-
inoperable, an orderly shutdown the.following conditions do:-
o
- shall be initiated'and the not occur simultaneously:
-reactor shall be in a= cold shutdown condition within 24 a.
The recirculation pump flow-hours.
differs by more than.10%
from the-established speed-flow characteristics, b',
The indicated total core
-flow is more than~10%
' greater than the core flow, value derived from established core plate DP~
. core flow relationships.,
c.
- Individua11 jet pump flow for-jet pump in Mt' differs by;more than 10% from estab--
any : lished; flow to-average.. loop :
jet pump flow characteristics.
2.:
. Flow indication from 19'of the 2.
Additionally,:when operating.
'20 jet pumps shall-be verified with one recirculation pump with prior to initiation'of reactor-the equalizerivalves closed, the startup from a cold shutdown condition.
-diffuser,to lower plenum <
differential pressurs shall be 4
. checked daily, and the-differential pressure of'any jet; pump in thezidle loop shall not' vary by more than 10% from established patterns.
i 1
- D' 9007110052 900705 PDR ADOCK 05000254 p
PDC 3.6/4.6-9 Amendment No.124
_L_ _ _ __
x:.
0 QUAb-CITIES-5 N'
-l w
1 l
y j ;GOJet 'P0mps -
y; G.
Jet Pumps-l x
4 1.
Whenever the reactor is in the 1.
Whenever there is' recirculation.-
h
'I Startup/ Hot Standby or.Run flow with the reactor in the
,A modes, all jet pumps shall'be Startup/ Hot Standby or Run modes, intact and all operating jet jet pump integrity and 3
o, J~
pumps shall'be operable.
If it operability shall be. checked 1
V is determined that a jet pump daily by verifying that two of-is' inoperable, an orderly.
.the following conditions do not.
shutdown shall be initiated and
. occur simultaneously:
the reactor shall:be in a cold shutdown'. condition within 24 a.
The recirculation. pump flow hours.
differs by more than 10%
from'the established 1
speed-flow characteristics.
b.
The indicated total core
?
flow 1s more than 10%-
1 greater than the core flow L
value derived from j
established core plate i
DP/ core' flow relationships, c.
Individual' jet pump flow for-1 W
any jet pump differs by more--
i than 10% from established H
4 flow to average loop jet pump flow characteristics.
j 2.
Flow indication from 19 of the l
Additionally, when operating with 2.
one recirculation' pump with the
- 20~ jet pumps shall be verified equalizer valves closed, the' 1 prior.to initiation of reactor
. diffuser to lower.' plenum _
startup from a cold shutdown
' differential pressure shall be' 1
-condition.
-checked daily, and the x
differential pressure-of any-jet H
pump in the_1 die _ loop shal1 not 1i vary by more than 10% from j
established patterns.
3.
The baseline data-required to
'3.
The-indicated core flow is the evaluate the conditions in sum.of the. flow indication from Specifications 4.6.G.1 and each_ jet pump with operable 4.6.G.2-will be acquired each
]
flow' indication.
In addition, operating cycle, j
for any' jet pump with inoperable flow indication, the i
flow indication frci the companion jet pump on the same-
. jet pump riser shall be summed a'second time to compensate for the flow through the jet pump I
with inoperable flow indication.
If fic; indication failure occurs for three or
- 1631B/0600Z 3.6/4.6-5 Amendment No.
-1 i
e 1
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