ML19346A097
| ML19346A097 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 04/27/1981 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML19346A098 | List: |
| References | |
| NUDOCS 8106050072 | |
| Download: ML19346A097 (2) | |
Text
'
f,1 ::- 19 TADLE l. 2.l C o.it )
00 Instrument calibration (2)
Instriment Check (2)'~
w Functional Test (2)_
Instrument Channel _
C None O ce overy
'Q Ce Per 31. Days O
Safety / Relief Valve Position O 2.
18 nonths 1
CJI Indicator (Temperature
+
Honitor) (8)
(7)
Ikxie O)Ce Per 31 Days og 3.
Saf ety Valve Position Indicator i (8)
O)ce every Oy:e Per 31 Days (Acoustic Monitor V
Hone
'4.
Gefety Valve Position Indicator 10 nonths (Yes.peratus;e Honitor) (8)
IN)TES:
5 f
Initially once per inonth until exposure hours (H as defined on Figure 4.1.1) is 2.0 x 10 ; therea
- t. r, then three inonths. The less tiisa one month nor m ore 1.
according to Figure 4.1.1 with an interval notfailure rate dets may include data obtained frois other Bailing Water for which the 'anine design instrument operates in an environsment similar to that of Dread )
compilation of instrument Reactors Uni t No. 2 2.
Function test calibrations and instrument checks are m.t required when these instrument s are r. 't re-shall be performed befone each startup with a Functional tests quired to be operable or are tripped.
Calibrations shall be per f ormed during each startup to exceed once per ucek.
to exceed once per veck.
Instrument l
required frequency not required frequency not or during controlled shutdowns with a checks shall be perfor:ned at least once per ucek.
Instrument checks chall be pertorized at least once per day during those periods when the instrurnents are required to be operable.
D The functional' test will consist O
instrumentation is excepted from the functional test definition.
See Hote 4.
This of injecting a simulated electrical signal into the measurement channel.
Q 3.
g These instrument channels will be calibrated using sisaulated electrical signals on 4.
months.
A intnianumi of tuo chsunels is required.
%g 5.
g 6.
Fron. and after the date that one of these parameters (...either drywell-torus differential presuure n===im.
or torus water icvel indication) is reduccJ to osye indication, continued operation is not permisuible sooner made operabic.
In the event that all indica-as beyond thirty d6ys, unless such justrumentation(...cither dr'yuell-torus dillerent ial preconic or totus water Icvel) ia dis-be. restored in six (6) hours, an onderly shutdown shall be initilited tions of these parameters t
abled and auch indication cannot i ion in twenty four hours.
...d the reacter shall be in a cold shutdoun cond t Amendment No. $$,
44a
s Table. 4.2.1 (cont) rw -19 Non s:
the end of each refueling outage or after 7.
Functional tests will be conducted before startup at maintenance io performed on a particular S.ifety/Helief Valve.
8.
If the number of position indicatore is reduced to one indication on one or inore valves, continued if the resctor in in a shutdown condition, it may not be started operation is permissible; however, up until all position indication is restored.
In the event that all position indication is lost on one or more valves and auch indication cannot be returned in thirty days, an orderly shutdown shall be initiated, and the reactor shall be depressurized t.o less than 90 poig in 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, t
s CD C3 A
m llD=
r-J
~
Amon.hm. n t rio. SS 45