ML061240377
| ML061240377 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 05/03/2006 |
| From: | Nebraska Public Power District (NPPD) |
| To: | Office of Nuclear Reactor Regulation |
| Benney B, NRR/DLPM, 415-3764 | |
| Shared Package | |
| ML061240137 | List: |
| References | |
| TAC MC6760 | |
| Download: ML061240377 (1) | |
Text
Control Rod Scram Ti-nes 3.1.4 3.1 REACTIVITY CONTROL SYSTEMS 3.1.4 C:ontrol Rod Scram Times LCO 3.1.4
- a.
No more than 10 OPERABLE control rods shall be "slow," in accordance with Table 3.1.4-1; and
- b.
No more than 2 OPERABLE control rods that are "slow" shall occupy adjacent locations.
APPLICABILITY:
MODES 1 and 2.
ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A.
Requirements of the LCO A.1 Be in MODE 3.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> not met.
SURVEILLANCE REQUIREMENTS NOTE-------------------------------------
During single control rod scram time Surveillances, the control rod drive (CRD) pumps shall be isolated from the associated scram accumulator.
SURVEILLANCE FREQUENCY SR 3.1.4.1 Verify each control rod scram time is within the limits Prior to exceeding of Table 3.1.4-1 with reactor steam dome pressure 40% RTP after
> 800 psig.
each reactor shutdown
> 120 days SR 3.1.4.2 Verify, for a representative sample, each tested 200 days control rod scram time is within the limits of cumulative Table 3.1.4-1 with reactor steam dome pressure operation in
> 800 psig.
MODE 1 I
Cooper 3.1 -1 2 Amendment No. 218