ML20210M818
| ML20210M818 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 09/26/1986 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20210M822 | List: |
| References | |
| TAC-61264, TAC-61518, NUDOCS 8610060029 | |
| Download: ML20210M818 (1) | |
Text
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DESIGN FEATURES 5.5 METEOROLOGICAL TOWER LOCATION 5.5.1 The meteorological tower shall be located as shown on Figure 5.1.2-1.
5.6 FUEL STORAGE CRITICALITY 5.6.1 The spent fuel storage racks are designed and shall be maintained with; A k,ff equivalent to less than or equal to 0.95 when flooded with a.
unborated water, including all calculational uncertainties and biases as described in Section 9.1 of the FSAR.
l b.
A nominal 6.26-inch center-to-center distance between fuel assemblies placed in the storage racks.
5.6.1.2 The k,ff for new fuel for the first core loading stored dry in the spent fuel storage racks shall not exceed 0.98 when aqueous foam moderation is assumed.
DRAINAGE 5.6.2 The spent fuel storage pool is designed and shall be maintained to prevent inadvertent draining of the pool below elevation 202'S 1/4".
CAPACITY 5.6.3 The spent fuel storage capacity is designed and shall be maintained with a storage capacity limited to:
a '.
No more than 2324* spent fuel assemblies in the spent ~ fuel pool, and b.
No more than 800 spent fuel assemblies in the upper containment pool.
Placement of fuel in the upper containment pool is limited to temporary storage 2
of fuel during refueling operations.
Frior to return to reactor criticality, all spent fuel shall be removed from the upper containment pool.
g h 5.7 COMPONENT CYCLIC OR TRANSIENT LIMIT eo l
o8 5.7.1 The components identified in Table 5.7.1-1 are designed and shall be S0 maintained within the cyclic or transient limits'of Table 5.7.1-1.
$5 88
- The physical limit is 4348. The 2324 limit reflects the number of spent fuel g4 assemblies that can be stored in the spent fuel pool without excessive o
reliance on RHR supplement cooling; i.e., for a time period in excess of a normal refueling duration.
Amendment No.19 l GRAND GULF-UNIT 1 5-6