ML19350C392
| ML19350C392 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek, Callaway  |
| Issue date: | 03/27/1981 |
| From: | Petrick N STANDARDIZED NUCLEAR UNIT POWER PLANT SYSTEM |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| SLNRC-81-19, NUDOCS 8104010378 | |
| Download: ML19350C392 (4) | |
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March 27,1981 SLNRC 81-19 FILE: 0541 SUBJ: SNUPPS FSAR - NRC Request for Additional Information
/r M. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Docket Nos.: STN 50-482, STN 50-483, STN 50-486
Reference:
NRC (Tedesco) letter to J. K. Bryan and G. L. Koester, dated February 12, 1981, Same subject
Dear Mr. Denton:
The referenced letter requested additional information regarding the SNUPPS FSAR. The enclosure to this letter provides the requested information and will be incorporated into the next revision to the FSAR.
Verg truly yours,
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Nicholas A. Petrick RLS/srz Enclosure cc:
J. K. Bryan UE G. L. Koester KGE 3 00!
D. T. McPhee KCPL T. Vandel NRC/ Wolf Creek Site 3
W. Hansen NRC/Callaway Site jIll f'
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S!{UPPS 360.1 EFFLUENT TREATMENT 360.1 Table 11.4-3 (sheet 2) of the SNUPPS FSAR indicates (11.4) that the estimated annual volume of dry and compacted waste is based upon Table 2-49 of WASH-1258.
The 3
estimated volume was 3,380 ft.
Page 11.4-8 of the SNUPPS FSAR states that the filled drums are sealed and moved to the dry waste storage area in tha
'radwaste building, where they are Ltored until they are shipped offsite.
Figure 1.2-3 of the SNUPPS FSAR shows that the storage area has a storage capacity of 722 drums, if stacked three high, and 1055 drums, if stacked five high.
Data made avail-able since the publication of WASH-1258 have made that document inappropriate for waste projections.
The dry waste volumes estimated by WASH-1258 are much lower than those being generated at operating reactors.
NRC staff calculations, which are based on data from semi-annual effluent repogts, show that the volume of dry wastes generated ard, independent of reactor size and amount to approximately 10,000 ft3 (compacted) annually, which is a factor of three greater than the estimates presented in the SNUPPS FSAR.
Also, the growing uncertainty of the avail-ability of burial space has made the availability of L
adequate storage space at the reactor facility an important issue.
Based upon the material presented above, provide information verifying that the storage space at Callaway will be sufficient to handle the storage of drummed waste in accordance with the requirements of Branch Technical Position, ETSB 11-3 (Rev. 1), item III (Waste Storage).
l
. RESPONSE SNUPPS is in the process of revising solid radwaste storage facilities to provide capacity for onsite temporary storage of drummed solid wastes resulting from up to 5 years of plant operation.
The revisions comprise the following:
a.
Both storage areas in the radwaste building are
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being converted to store drummed solidified wastes l
requiring radiation shielding.
With reference to l
Table 11.4-3 of the SNUPPS FSAR, these primary wastes'will-normally consist of:
Spent resins, primary Evaporator bottoms, primary Filter cartridges, primary 360.1-1
O SNUPPS It is estimated that these wastes will total 227 drums per year.
Based on the storage capacities, shown in Figure 1.2-3 of the SNUPPS FSAR, of 395 and 1,055 drums in the two storage areas there is capacity for up to 5 years of primary drummed solid wastes, with approximately 20 percent margin to
, allow for quantities in excess of those expected.
b.
Drummed solid wastes not requiring radiation shield-ing are to be stored on each site in a warehouse-type building (pre-engineered steel building with concrete slab floor) located inside a security area.
The specific location of this building and the specific size at each site have not yet been determined.
With reference to Table 11.4-3 of the SNUPPS FSAR, these secondary wastes will normally consist of:
Spent resins, secondary Evaporator bottoms, secondary Filter cartridges, secondary Reverse osmosis concentrates Dry and compacted wastes Chemical wastes It is estimated that the first five categories listed above will total 683 drums per year.
SNUPEG concurs that dry and compacted wastes will probably exceed the quantity given in Table 11.4-3.
This quantity will be increased to 1,330 drums per year, 3
which is equivalent to 10,000 ft (compacted) per year.
Thus secondary wastes are estimated to total 2,013 drums annunally.
A 10,000 ft2 building will provide capacity for up to 5 years of secondary drummed solid wastes, with approximately 10 percent margin to allow for quantities in excess of those expected.
These changes will be included in an FSAR revision that will be submitted in the near future.
360.1-2
SNUPPS 360.2 Page 11.4-12 of the SNUPPS FSAR discusses shielded (11.4}
storage areas for "high-level" solidified radwaste and " low-level" solid radwaste.
The term "high-leve. "
is inappropriate and should be revised.
High-level" generally refers to reprocessing wastes resulting from the first cycle of solvent extraction.
More recently, use of the term has been extended to cover spent reactor fuel.
See 10 CFR Part 50, Appendig F, item 2.
RESPONSE
As stated in the response to NRC Question 360.1, SNUP.PS is preparing an FSAR revision on solid radwaste storage.
The terms "high-level" and " low-level" will be eliminated and replaced by primary and secondary, respectively, to differ-entiate drummed solid wastes that require radiation shielding from those that do not.
360.2-1
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