ML20056E399
| ML20056E399 | |
| Person / Time | |
|---|---|
| Site: | Duane Arnold  |
| Issue date: | 08/04/1993 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20056E129 | List: |
| References | |
| NUDOCS 9308230310 | |
| Download: ML20056E399 (2) | |
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Amenchent No.15 3.5-13 Correction letter, dated 8/4/93 cag['.Q[#CS{G 9308230310 930804 PDR ADOCK 05000331 j
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DAEC-3 LIMITING CONDITIONS FOR OPERATION SURVEILLANCE P20UIREMENTS b.
The reactor coolant water shall b.
At least every 4 days when fuel is not exceed the following limits in the reactor vessel for with steaming rates greater than conductivity and chloride ion or equal to 100,000 pounds per content.
hour:
Conductivity 10 ymho/cm
>5 ymbo/cm 2 weeks / year chloride ion 0.5 ppm
>0.2 ppm 2 weeks / year c.
Every effort will be made to keep the conductivity below 1 ymbo/cm at all times.
d.
pH During power operation if the conductivity exceeds 1.0 ymho/cm, pH shall be measured and brought within the range of 5.6 to 8.6 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
If the pH cannot he corrected, or if the pH remains outside the range of 4 to 10 the reactor coolant temperature shall be reduced to
<212*F.
3.a.
Reactor coolant water shall not 3.a.
Conductivity is to be continuously exceed the limit specified in monitored in three places: Reactor 3.6.B.2 above.
Water Cleanup System, between the hot well and the demineralizer i
beds, and at the outlet of the demineralizer beds.
b.
If one of the three monitors is b.
In the event that one of the three inoperable for a period greater monitors becomes inoperable, than 30 days, the plant will be conductivity is to be measured and shut down in an orderly manner.
recorded with a temporary instream monitor.
4.
If specification 3.6.B is not met, an orderly shutdown shall be initiated.
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Correction letter, dated 8/4/93 3.6-4 i
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