ML19345G482
| ML19345G482 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/31/1981 |
| From: | Bryan J UNION ELECTRIC CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| ULNRC-432, NUDOCS 8104070352 | |
| Download: ML19345G482 (17) | |
Text
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UNION Et ECTRIC COMPANY 1909 GRATIOT ETRICET ST. Louts. MISSOURI MAsuNo Acons.
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March 31, 1981 L
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Mr. Harold R.
Denton D.
A.,
Director of Nuclear Reactor Regulation
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j U. S. Nuclear Regulatory Commission Washington, DC 20555
Dear Mr. Denton:
ULNRC-432 DOCKET NUMBER 50-483 CALLAWAY PLANT, UNITS 1&2 ENVIRONMENTAL REPORT - OPERATING LICENSE STAGE
Reference:
NRC Letter dated Jan. 2, 1981 signed by R.
L. Tedesco The referenced letter requested additional information concerning the Callaway Plant,. Unit 1 Environmental Report.
Transmitted herewith are responses to' questions in the referenced letter which were not answered in our letters. dated February 6, 1981, and March 10, 1981. _This information will be formally incorporated into the Callaway Plant Environmental Report in Revision 2.
This information is hereby incorporated into the Callaway Application.
Very truly yours, r
y c,
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7 AW.,
A.u.\\v q John K.-Grygn NGS/afg coo /
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'8'104070 @Ch
STATE OF MISSOURI.)
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Robert J.
Schukai, of lawful age, being first duly sworn upon oath says that he is General Manager-Engineering (Nuclear) for Union Electric Company; that he has read the foregoing document and knows the content thereof; that he has executed the same for and on behalf of said company with full power and authority to do so; and that the facts therein stated are true and correct to the best of his knowledge, information and belief.
By C
sh Robef t J. SItttB:ai Gener M ager-Engineering Nuclear SUBSCRIBED and sworn to before me this 31st day of March, 1981 CHaritta ~ % O NOTARY PUBUC, STATE OF mis 30U4 asy COMMISSION EXPIRES 5/8482 ST. LOUIS COUNTV
cc:
Glenn L. Koester Vice President Operations Kansas Gas & Electric P.O. Box 208 Wichita, Kansas 67201 John E. Arthur Chief Engineer Rochester Gas & Electric Company 89 East Avenue Rochester, New York ~14649 A. V. Dienhart Vice President Plant Engineering and Construction Northern States Power 414 Nicollet Mall
' Minneapolis, Minnesota 55401 Donald T. McPhee Vice President Kansas City Power and Light Company 1330 Baltimore Avenue Kansas City, Missouri 64141 Gerald Charnoff, Esq.
Shaw, Pittman, Potts & Trowbridge 1810 M. Street, N.W.
Washington, D.C.
20036 Nicholas A.
Petrick Executive Director SNUPPS 5 Choke Cherry Road Rockville, Maryland 20850 W. Hansen Callaway Resident Office U.S. Nuclear Regulatory Commission RR#1 Steedman, Missouri 65077 Clarence R. Hickey, Jr.
Environmental-Specialists Branch U.S. Nuclear Regulatory Commission Washington,-D.C.~20555 Thomas L. GilbertJ Environmental Scientist Division of Environmental Impsct Studies
- Argonne National Laboratory 9700"S. Cass Avenue
-Argonne, Illinois 60439
= -
l Question 290.10:
What are the descriptive data and the impacts on terrestrial ecology that will result from the construction and operation of the sludge ponds for improving the quality of the discharge water?
Response
See Chapter 4, Revision 1 to the Environmental Report.
The approximately 140 acres occupied by the sludge ponds consist of the'following prime agricultural soil types:
Prime Prime Soil Soil Type Acreage 15B
- Calwoods silt loam, 2-5% slope, eroded 14 27B
- Mexico silt loam, 1-5% slope 98 27B2 - Mexico silt loam, 1-5% slope, eroded 14 34
- Putnam silt loam 14 290.10-1
~
m Question 290.12:
What are the descriptive data and the impacts on terrestrial ecology of the construction and operation of the new Technical Support Center, the Secondary Access Facility and the Emergency Operation Facility?
Response
Technical Support Center The location of the new Technical Support Center is adjacent to the Service Building within the Security fence as shown on Figure 3.1-2 of Revision 1 to the Environmental Report.
This building will utilize approximately 0.12 acres of land used for farming prior to the start of construction of Callaway Plant.
This land is designated as Prime Agricultural Soil Type 24 - Putnam silt loam.
At the present time this land has already been
..pacted by construction and therefore, no further significant impacts will occur as a result of construction of the Technical Support Center.
Secondary Access Facility The new Secondary Access Facility is located adjacent to the Security fence between the switchyard and Service Building as shown on Figure 3.1-2 of Revision 1 to the Environmental Report.
This building will utilize approximately 0.03 acres of land used for farming prior to the start of construction of Callaway Plant.
This land is designated as Prime Agricultural Soil Type 34 - Putnam silt loam.
'At the present time land has already been impacted by construction and ther no further significant impacts will occur as a result of constru of the Secondary Access Facility.
Emergency Operations Faci.aty The new Emergency Operations Facility is located on the southwest
- corner of the intersection of Highway CC and County Road 337 as shown on revised Figure 2.1-3 (attached).
This building will utilize approximately 0.27 acres.of land previously used for farming.
This land ~is designated as Prime Agricultural Soil Type 27B - Mexico silt loam, 1-5% slope.
At the present time this area is being used for farming.
- However, since the amount of land involved with the construction of this facility is small, the adverse environmental impact is considered insignificant.
290.12-1
Training Center and Parking Lot The new Training Center and Training Center Parking Lot are located adjacent to the Plant Operations Access Road as shown on Figure 3.1-2 i
of Revision 1 to the Environmental Report.
These facilities will
. utilize approximately 1.21 acres of land used for farming prior to
'the start of construction of Callaway Plant.
l This land is designated as Prime Agricultural soil Type 34 - Putnam silt-loam.
This area has not been significantly impacted up to the present time, however, no farming has been allowed in this area since the beginning of' plant construction because of its close proximity to the construction area.
Although construction of these facilities will result in the loss of about 1.21 acres of cropland, the Missouri Department of Conservation's program of enhancement in the surrounding areas is expected to more than offset this minor loss.
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UNION ELECTRIC CO.
CALLAWAY PLANT
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W Figure 2.1-3
I Question 290.15:
l Determine the total amount of prime agricultural land on site the
[
. amount utilized for permanent structures (e.g.,
containment building), the amount used for temporary facilities (e.g.,
lay down I
area) and the percent of each type to the total site area.
This item is not covered in the ER.
. Response:
The prime agricultural lands questions posed to Union Electric by NRC have teen interpreted in light of two separate factors:
First is the 4
actual soil type designation made for these lands following a Soil Ccnservation Service Survey (SCS:1974, 1975).
This survey has identified various. prime agricultural soil types at the Callaway plant site.
These soil types are listed in Table 1.
The second factor is the actual fertility or agricultural productivity of the soils.
According to the Missouri Department of Conservation 4
1 (DOC:1976) and the Missouri Soi,1 Conservation Service (SCS:1981a),
-virtually all of the soils at Callaway have an impervious clay substrata that limits soil prodoenivity.
This layer, which averages about 18 inches below-the surface, restricts plant root growth, prevents-water percolation which causes the soils to be too wet in the spring, and limits the water retention capabilities of the soils which makes them susceptible.to drought during the summer months.
Table 2 lists the actual agricultural yields of current sharecropping at Callaway and predicted yields based on the soil's specific characteristics (DOC:1976; 1981c; SCS:1974; 1975).
Generally, the soils designated as prime agricultural soils have a high innate fertility, but the combination of a shallow productive topsoil layer with an impervious underlying clay pan seriously reduces the crop producing capabilities of these soils under certain conditions.
There soils-also contain a high percentage of very fine particles'which makes~themLvery susceptible to erosion.
Indeed, nany areas at Callaway that have a slope between three and five percent
.have already experienced severe erosion and will require extensive rehabilitation to restore their former productivities (DOC:1976).
It can be seen'from Table 2 that the Missouri DOC has predicted-yields for the Callaway soils in general that are far below the actual yields predicted for those prime soilLtypes under normal conditions.
The yields predicted by'the SCS are made assuming high levels of farm management.
These practices may not be executed by the sharecroppers at Callaway (SCS:1981a).
Table 3 ' lists the acreages at Callaway predicted to be utilized as agricultural' land (DOC:1976) and~agricultura1'useages' currently being
!~
carried out on these residual lands (DOC:1981a).
A total of 2,564 acres of land are' presently-being utilized fer agricultural.
productionD(DOCil981a).
t It should be-noted that the winter wheat yields for 1980 are above the yields' predicted by the-DOC and SCS.
This was due to the. ideal l
290.15-1
growing conditions for winter wheat that existed during that year (DOC:1981c).
The 1978 values are considerably lcwer because of the wet weather experienced that year; the ground was too wet (because of water retained in the topsoil by the underlying clay pan) to plant the wheat (DOC:1981c).
Therefore, although these soils are capable of agricultural yields for certain products, wet conditions can severely reduce these yields.
It is presumed that dry conditions would also decimate crop production because of the tendency for these soils to dry out during the summer coupled with the fact that plant root penetration is limited by the closely underlying impervious materials.
The 1980 corn yields were extremely low, presumably because of the drought conditions experienced in central Missouri during the summer of that year.
Thus, although spring conditions were good for wheat production during 1980, extremely dry summer conditions led to very low corn yields, proving that short-term adverse meteorological conditions can decimate agricultural productivities.
The Mexico and Putnam soil types make up a majority of the prime soil types found at the Callaway site.
Both of these soil types have a very slow infiltration and water transmission rates.
The Soil
' Conservation Service (1975) has determined that these soil types have permeability factors of < 0.06 inches per hour for some strata.
The 0.06 inches per hour level is the minimum allowable permeability for soils' classified as prime agricultural types (Fed. Reg. 43(21):4032).
Thus, the Mexico and Putnam soil types do not meet this permeability criterion.
However, the Soil Conservation Survey has the authority to exercise flexibility in this regard and allow local deviations from the permeability criterion (Fed. Reg. 43(21):4032).
This soil classification flexibility was apparently exercised by the SCS for the Mexico and Putnam soil types in Missouri.
This was done because these soil types are very prevalent in large portions of Missouri and thus constitute an "important" soil type for the state (SCS:1981b).
In summary,.these " marginal" soil types are classified as prime in Missouri, despite their low permeability ratings, because of their widespread occurrence in Missouri.
A total of 603. acres have been permanently taken out of production at the Callaway site because those areas have been utilized for
. construction of various facilities that are part of the new Union Electric power plant (See Table 4).
The total areas utilized for these structures are the power block and laydown area (or plant site proper):
370 acres; the railroad spur:
52.5 acres; the access road:
27.0 acres; the intake / discharge pipeline corridor:
52.5 acres; the intake / discharge structure:
20.0 acres; the transmission line towers:
4 acres; and the sludge clarification ponds:
140 acres.
Not all of these facilities are constructed entirely upon prime farmlands, however.
The acreages of prime soil types that have been taken out of production by construction of various facilities are listed in Table 4.
290.15-2
Soil Classifications:
Capability Classes The soils of the Callaway area have the potential to produce good agricultural products, but these soils have productivity limitations.
The limitations are defined in SCS:1961 and are as follows for the major soil types found at the Callaway plant site.
These three soil types account for approximately 90% of all prime agricultural soils at the Callaway plant site.
- 1) Mexico Series The soil description provided by the SCS (1975) is as follows:
The Mexico series consists of deep, somewhat poorly drained soils formed in loess on uplands.
The surface layer is very dark grayish-brown silt loam 7 inches thick.
The next 2 inches is surface and subsoil material.
The mottled subsoil is dark grayish-brown, red and yellowish-brown, friable silty clay loam in upper 5 inches, dark grayish-brown and grayish-brown. Firm silty clay in next 11 inches and grayish-brown and yellowish-brown, firm silty clay loam in lower 18 inches.
The underlying material is clay loam over silty clay, slopes range from 1 to 5%.
The Capability Classes for the Mexico series are IIE and IIIE.
Class II soils have some productivity limitations that reduce the choice of crops planted and requires careful soil management including conservation practices to prevent deterioration of the soil or to improve air and water associations in the soil.
The limitations of the Mexico soils rated Class II include susceptibility to wind and water erosion, less than ideal topsoil depths, and a wetness problem (too wet in the spring, too dry in the summer).
These soils may also be limited by root zone limitations caused by the impervious clay pan. underlying the topsoil layer.
Class III soils at Callaway of the Calwood' series are severely limited by erosion.
These soils are either already severely eroded or are extremely susceptible-to erosive forces.
These soils may also be limited by wetness problems and root zone limitations caused by the underlying clay pan.
- 2) Putnam Series i
The soil description provided by the Soil Conservation Service (1975) is as follows:
The Putnam series consists of deep, poorly-drained soils formed in loess on nearly level uplands.
The surface layer is very dark grayish-brown silt loam, 9 inches thick.
The subsurface layer is gray silt loam, 7 inches thick.
The subsoil is dark gray and 290.15-3
dark grayish-brown, mottled silty clay in upper 14 inches, and grayish brown, mottled silty clay loam in lower 7 inches.
The underlying material is light brownish-gray and gray silty clay loam.
Slopes range from 0 to 2 percent.
The Capability Class for the Putnam series is IIW, because of the productivity limitations of these soils caused by a wetness problem.
There is virtually no erosion problem with these soils, but the presence of excess water is a significant hazard to agricultural production because of the impervious underlying clay layer.
These soils require careful soil management including the draining of excess water to allow agricultural production during wet periods (e.g. spring).
During periods of greater than normal rainfall, these soils may not be conducive to agricultural production; they would be too wet to allow normal farming practices.
- 3) Calwoods Series The soil description provided by the Soil Conservation Service (1974) is as follows:
The Calwoods Series consists of deep somewhat poorly~ drained soils formed in loess on uplands.
The surface layer is dark grayish brown silt loam 4 inches thick.
The subsurface layer is brown silt loam 4 inches thick.
The subsoil is yellowish brown silty clay loam in the upper 4 inches and grayish brown silty clay with red mottles in the middle 21 inches and greyish brown silty clay loam in'the~ lower 7 inches.
The underlying material is light brownish gray. silty clay loam.
Slopes range from 2:to 5 percent.
The Capability Classes for the Calwoods series are IIE and IIIE because of erosion problems which limit agricultural usage.
These soils have moderate to severe erosion histories or potential and have wetness and root zone limitations in substantial areas where the soils are associated with.an underlying clay layer.
The Calwoods soils require moderate to intensive conservation practices to correct or maintain soil productivity in light of these erosion and wetness problems.
m L
290.15-4 L:
.c Table 1 Prime Agricultural-Soil Types Found at the Callaway Plant Site Sdil SCS-Symbol Soil Name and Characteristics 13 Auxvasse silt loam 15 Calwoods silt loam 2-5% slope ISB Calwoods silt loam, 2-5% slope, eroded 1982 Gorin silt loam, 2-5% slope, eroded 21B Hatton silt loam, 2-5% slope 2132 Hatton silt loam, 2-5% slope, eroded 27B Mexico silt loam, 1-5% slope 27B2-Mexico silt loam, 1-5% slope eroded
'28 Moniteau silt loam 29 Kickapoo fine sandy loam-31
.Nodaway silt loam 32 Cedargap silt _ loam 33 Westerville-silt loam 34
-Putnam silt loam 25B Winfield silt loam, 2-5% slope 40.
Haynie very-fine sandy loam 41
'Leta~ silt clay loam 42
-Waldron silt loam 43 Booker Silty Clay 54-Bremer Silty Clay 290.15-5
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Table 2 Prime Agricultural Soil Fertility Based on Agricultural Yields Bu/AC Actual Farm Yields Predicted Agricultural Yields (Bu/AC)
DOC DOC DOC DOC SCS SCS SCS SCS SCS 1978 1979 1980 1976 Calwood Calwood Putnam Mexico Mexico Product-Eroded 27B 27B2
. Corn 83 55 11 54 80 70 75 80 67 Soybeans 18 16 24 21 30 25 25 30 25 Wheat 22 28 43
-24 35 28 30 33 28 Grain Sorghum /Milo 67 66 50 68 55 65 67 56 Hay (tons / acre)
. l.4 1.4 0.6 3.0 3.5 3.0 3.2 3.5 3.0 Grass / Legume Pasture-(AUM) 0.91 1.15 11.07 1.23 7.0 6.0 6.4 7.0 6.0
-Land Capability Classification
- IIE IIIE IIW IIE IIIE Reference Number.
5 5
5 2
6 6
7 7
7 r
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- Clas si fication':
. II = Class Two n
III = Class Three L
E = Erosion Problem W = Wetness Problem (See textLfor clarification of the SCS Classification System) l I
l' 290.15-6.
Table 3 Agricultural Land Utilization Predicted Acreage Actual Acreage Agricultural Practico 1976*
1980 2 Row-Crop. Production 1700 1704 Livestock Grazing 1140 860 Total Agricultural Utilization 2840 2564
'I Reference'Numoer 2
- Reference Number 3 T-
.a 290.15-7
J Table 4 Prime Agricultural Soils Taken Out of Production St.ructure Soil Type Acreage 1.
Plant and Construction 27B 122 Area Site 27B2 126 34 122 2.
Railroad Spur 27B 4
27B2 2
31 4
34 7
41 2
3.
Access Roadway ISB 7
19B2 2
27B 9
4.
Intake & Discharge 15B 7
Pipe Line 1982 7
31 7
~34 7
41 7
-5.
Sludge Clarification-Ponds ISB 14 27B 98 27B2 14 34 14 6.
Emergency Operations 27B-0.27 Facility (EOF) 7.
Secondary Access. Facility 34 0.03 8.
Training Center and Training Center Parking Lot 34 1.21 9.
Water Intake Structure.
41 8-42 12 10.
Totals
. Soil Type Acreage ISB 28' 4.6 19B2 9
1.5 27B 233.27.
38.7 27B2 142 23.5
-31 11 1.8 34 151.24 25.1 41 17 2.8 42 12-2.0 603 100.0 290.15-8
References 1)
Federal Register 43(21), Tuesday, January 31, 1973, Part 637:
Prime and Unique Farmlands, pp. 4030-4033.
2).
Missouri Department of Conservation, 1976.
A Plan of Management for the Residual Lands of the Union Electric Callaway Plant, 54 pp. plus appendicos.
3)
Missouri Department of Conservation, 1981a. 1980 Management Report to Union Electric, Reform Wildlife Management Area, 4 pp.
4)
Missouri Department of Conservation, 1981b. March 2, 1981 Telecon with Mr. Tom Hutton, District Wildlife Land Management Biologist, Callaway County, Missouri.
5)
Missouri Department of Conservac_on, 1981c.
Personal communication of March 14,'19L'1 with Mr. Tom Hutton, District Wildlife Land Management Biologist, Callaway County, Missouri.
6)
U.S. Department of Agriculture, Soil Conservation Service, 1974.
Soil Survey' Interpretation, Calwood Series.
7)
U.S. Department of Agriculture, Soil Conservation Service, 1975.
Soil Survey Interpretation, Putnam and Mexico Series.
8)
U.S. Department of Agriculture, Soil Conservation Service, 1961.
Land Capability Classification, Agriculture Handbook No. 210, 21 pages.
9)
U.S. Department of Agriculture, Soil Conservation Service, 1981a.
February, 1981 telecon with Mr. Robert Hummel, District Conservationist for Callaway County, Missouri.
l 10)
U.S. Department of Agriculture, Soil Conservation Service, 1981b.
Personal Communication of March 4, 1981 with Mr. Robert Hummel, District Conservationist-for Callaway County, Missouri.
290.15-9
l Question 290.16:
i l
Provide a map of the floodplain indicating the areas of constru tion j
activities and identifying the affected plant ccamunities and any prime agricultural land.
l
Response
[
i Figure i fattached) is a map of the Missouri River floodplain tha*
I indicates construction activities affecting the floodplain.
These construction activities include the Bland transmission line, the intake and discharge pipeline corridor, and the intake / discharge i
facility itself.
The only significant construction activity that disrupts prime agricultural soils is the intake / discharge structure.
l The intake and discharge pipeline is buried along its route through
[
the floodplain and thus agricultural utilization of this corridor has l
not been permanently disrupted.
t Prime Acreage
}
Structure Soil Type
- Disrupted I
Water Intake / Discharge 41 3
t Structure 42
_1_2 Total 20 t
- Prime soil types and characteristics are listed in the responses to l
question 290.15.
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290.16-1
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