ML20198H770
| ML20198H770 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 08/21/1997 |
| From: | Gotzmer J FEDERAL ENERGY REGULATORY COMMISSION |
| To: | Joseph Holonich NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| Shared Package | |
| ML20198H706 | List: |
| References | |
| NUDOCS 9801130391 | |
| Download: ML20198H770 (44) | |
Text
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FEDERAL ENERGY REGULATORY COMMISSION ATLANTA REGIONAL OFFICE Parkridge 85 North Building 3125 Presidential Parkway . Suite 300 Atlants, Georgia 30340 (770)452 2360 ,
AUG 211997 l Standby Nuclear Service Water Pond Dam Catawba Nuclear Station Mr. Joseph J. llolonich, Chief Uranium Recovery Dranch Division of Wasto Management Office of Nuclear Material Safety and Safeguards -
U.S. Nuclear Regulatory commission Washington, D.C. 20555-0001 i Dear Mr. llolonich As requested in your August 4, 1997, letter we are forwarding throo copics of the final version of the operation inspection report for the Standby Nuclear Servico ihter Pond Dam at the Catawba Nuclear Station. We havo modified the draft report in accordance with your request to reflect the fact that the dwolling 1
originally located at the left downstream too of the dam was removod subsequent to the inspection conducted in February 1997.
As a result of this action, the dam is now considered to have a
" Low" hazard potential. The fivo recommendations included in tho ,
draft report for improving maintenance and operation of the dam are still considered appropriato.
We approciate the opportunity to assist you with your dam saf ety program. If there are questions regarding this repote, please contact Mr. Jason J. Chen of this office at 770/452-2363, extension 25.
Sincerely,
. M Jerrold W. Gatzmer, P.E.
Acting Director Enclosure 9901130391 970821 PDR ADOCK 0 % g3 0
OPERATION INSPECTION REPORT for THE NUCLEAR REGULATORY COMMISSION Inspection by FEDERAL ENERGY REGULATORY CORMISSION Atlanta Regional Office Date of inspection February 26. 1997 Dam (name) _. Standby _lluclear_Sgrvice Water Pond _1SNSWP)
Location _ Catawba _Hucigar Station York South Carolina (County) (State)
NRC Licensed Project _ Catawba Nuclear Station Licensee _DMke Power __Csraany r+.htures of the Dam and Impoundment Inspected and Embankment.
kd Mt_. Structure. Instrument Pier, and immediate vicini_ ties Inspented by _lason J. Chen Weather _ Cloudy._and_ Warm 5 5'r Accompanied by Mensrs. P. Tam and D. Rom (NRC-hoi; W. Shoemaker add C. Ey of Duke Power Company Bummary Dased on observations during the field inspection; review of design documents, maintenance records, and instrumentation monitoring data; and discussions with NRC representatives and Duke Power Company (Duke) employees, structural features of the SNSWP dam and appurtenant structures appear to be in satisfactory condition and adequately maintained. No conditions were observed which should impair the immediate safety and permanence of the development works. Inspection and maintenance related recommen-dations were provided as a result of this inspection. A list of these recommendations is included in the text of the report.
At the time of the inspection, SNSWP level was at elevation 574.2 feet mal and Lake Wylie level at elevation 567.7 feet msl.
An engineering data sheet, a project location cap, and plan and sectional views of the project structures follow.
submitted 'AUG 211997
- arm , w h j/ ' Jasoned. Chen, P. E.
. ___., 2 - 4 Catawba Nweear Staden APPendis 2 Chaptw 2 Tables and lig:res i
Table 2 M. Standby Nuc4 ear Sonice Wata Pond f Pertinent pond and dam features are tabulated in this table, f i
Pond .,
410 acres !
Drainage area at the dam
- Water sudace elevation, normal full pond 571.0 md j Maximum storm surcharge 8 10.3 ft Sudace area, water sudace at elevation 571.0 ,
46 acres Volume, water sudace at elevation 571.0 560 acre h i Uuble volume, between elevation $42.75 (SNSW intake) .560 acre h A i and elevation 571.0 l Estimated average annual sudace evaporation 160 acre h 464 acre ft ;
Estimated average annual inflow 3650 cis
- PMP inflow peak -
Evaporationlosses average 42 inches per year f i
50 inches per year Evaporationlotus maximum
$67.0 mil Maximum drawdown elevation LOCA conditions 390 acre ft !
Volume at matimum drawdown elevation Dam l
e Compacted Earth Fill . Group i Designed for normal and wistruc loadings 595.0 md ;
Crest elevation Maximum height 75 ft length of cnst 1710A l 35 ft Width of cnst Frnboard, maximum flood level on (Ac W)he side 2.8 ft ;
Maaimum hurricane waves 4th IMe Wybe at full pond 4.5 ft ,
elevation '
Stone Riprap ;
Slope protection T ,
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T)pical Section. Standby Nuclesr Service Water Pond Dam
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A. RAfAty__of the Proimat. All accessible areas of the SNSWP structures were inspected on February 26, 1997. No conditions were ,
identified that represent an immediate danger to the safety and ,
permanence of the projects works.
- 1. Dam....Dikast and_ Appurtenant structures The SHSWP was constructed by closing a natural cove of Lake Wylie with an earth dam. The SNSWP providos emorgency cooling water for the nuclear units at the Catawba Nuclear station. The SNSWP dam is a 1,710-foot-long earth fill structure with a maximum height of 75 feet. The differential head between the upstream SNSWP and the downstream Lake Wylie is only 6 to 7 foot. No utility lines or tunnels are reportedly located within or beneath the dam. A concrete outlet structure and an instrument pier are located at the right abutment. .
- a. SliEMP_ Dam. The dam is an carth fill embankment structure and was found to be in a stable condition. No signs of significant distress were observed such as sliding, sloughing, settling, or other movements on either the downstream or upstream faces. Photograph 1 presents an overall upstream view, looking from the left end. The upstrer.n slope, as well as the top and the downstream slope, are protected from erosion by dumped riprap ;
stones. The photograph shows riprap stones with different colors, an indication the materials como from different sources.
Photograph shows the crest of the dam. Roadbod-sizo crushed stone material was placed over the- riprap stones for traffic purposes.- No cracks or settlement were observed on the crest.
Photograph 3 presents an upstream view of the left portion of
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-a-the dam. Photograph 4 shows a road from the left end of the crest turning to the downstream too for access to a boat ramp (Photograph 5).
Photograph 6 presents a view of the downstream slope, looking toward the right abutment. No depressions were observed on the surface of the riprapped slope. Photograph 7 presents a view of the left portion of the downstream slope. Seepage was observed from the middle height of the drain ditch at the downstream right abutment (Photograph 8). The exit point of the seepage was at a level higher than the upstream pond level. Thus, the source of the seepage appears to be runoff from the hillside of the right abutment, and has no relation with the SNSWP. No other seepage areas were observed at the dam. Photograph 9 shows the downstream view of Lake Wylie. The old cofferdam used in the construction of the SNSWP dam can be Es9n in this photograph.
- c. OutleLRiruct urn _and_ Instrument _Ela r . The outlet structure is located on the shoreline several hundred feet to the right from the dam (Photograph 10). This concrete structure protects the outlet pipe which is used to release water when the pond level is above the full pond dveign level (Photograph 11).
The top of the structure is covered with a heavily reinforced 2-foot thicP concrete slab for missile protection. No signs of significant deterioration such as cracking or spalling were observed on any parts of the exterior faces.
The instrument pier is for access to the temperature probe.
The pier appeared to be in a satisfactory condition. No signs of rusting or instability were noted (Photograph 12).
- d. SHSWP_anLMyliiLResenoir. The SilSWP shoreline was inspected from the dam and upstream abutments. From visual observations, no significant erosion of the shoreline or accumulation of trash or debris were noted (photographs 5 and 12).
Duke's representative reported that a minor washout was observed on the shoreline southwest of the dam during the annual inspection in 1996. The area was repaired with riprap stones. The shoreline of the Wylie reservoir immediately downstream of the SilSWP dam was observed from the dam and no conditions of instability were noted (Photograph 9).
- 2. Ins.tntmentation. The S!1SWP dam is monitored by 8 piezometers and 12 t:urface monuments (Attachment 1). Presently piezometers are read quarterly and surface monuments are surveyed annually. Photograph 13 shows the gravel walkway access to piezometer 3 located in the middle height of the downstream slope.
Readings for the piezometers in the e...bankment are within historical levels (Attachment 2). A review of the piezometer readings indicate that piezometer 7 had some anomalous measurements. A close observation of piezometer 7 reveals that a depression ring is around the pipe of this instrument and rain water might cause these readings (Photograph 14). Modification of the surrounding area to prevent water ponding and cleaning and testing of this instrument is necessary to ensure its proper functioning.
Surface monument surveys for vertical movement is referenced from the benchmark located at the right abutment (Photographs 15 and :.6). The benchmark is periodically checked against a permanent benchmark installed in foundation rock located in the Reactor
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building. Survey data indicate that surface monuments were surveyed monthly from the dam corepletion date of March 1978 to I
March 1987, then no measurements were taken until llovember 1993, t whan the survey was resumed and has been taken annually since then. ;
Survey data indicated a zero vertical movement (settlement) to the i north and approximately 0.1 inch settlement to the south between 1987 and 1993. Therefore, it appears there was no adverse effect ;
I on the overall monitoring program caused by the gap of six years.
-Survey data indicate that the StiSWP dam experienced settlements l ranging from approximately 0.1 inch to the north (loft) portion to :
1 inch to the south (right) portion (Attachment 3). The deep section is in the south portion and the measured 1 inch settlement !
since 1978. appears to be reasonable. The annual survey should be maintained. llowever, it is recommended that an offset survey to ;
monitor horizontal movement should be conducted.
- 3. Dalinair. gam _ Hazard Potential. Thoro was a dwelling located at the left downstream too area at the time of this inspection (Photograph 7). It appeared this structure may be affected by a failure of the SilSWP dam. Other structures shown on
,- Photograph.9 probably would not be affected since their foundations ,
are located above the water level of Wylie lake. In accordance
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with FERC criteria, the StiSWP dam would be classified as having a "Significant" hazard potential. However, the dwelling was subsequently removed by the licensee between April and July 1997.
Therefore, this dam is classified as a " Low" hazard potential
. structure.
- 4. C.gnaultant's safety _ Inspection Reparta. There-are no inspection reports prepared by a consultant.
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- 5. Duke's Inspention_PI.ogram. Duke's periodic inspection j and maintenance program is summarized as follows:
Insaantion Ersquency_. P_erforme O y Latt_Inap_antion Visual Quarterly C11 SIC 12/2/96 Piezomotora Quarterly CNSIC 12/2/96 Surface Monuments Annually survey crew 11/13/96 Engineering Annually CNSE 11/11 & 12/96 CNSIC - Catawba Nuclear Station Instrument Crew i CNSE - Catawba Nuclear Station Engineering B. Operation _and_Raintenante. The project appeared to be adequately maintained and no adverse safety related problems were identified by this inspection or by recent inspections conducted by Duke's staff. Also, no significant deficiencies in maintenance of the project were noted during this inspection.
- 1. DAR_and._APRurtsnant Itrus.tutes. Riprap cover on the crest and upstream and downstream faces of the embankment appears to be adequately controlling erosion. The riprap appeared to be free of vegetative growth. During this inspection, no conditions were noted which require omorgency actions.
- 2. Spillw ay_G ate s_and_S_t andby_E9_ver . Not applicable as there are no gated spillways associated with the SNSWP. The outlet structure controls the pond level by gravity flow through a steel pipu.
- 3. P_oxer_Elant. Not applicable as there are no hydro nonoration units associated with the SNSWP.
- 4. Reservoir. Based on observations during this inspection, the reservoir appeared to be clean and free of debris.
No excessive erosion of the shoreline was noted by visual inspection from the dam and its abutments. During Duke's annual
_. . _- - . . . . ~ . . __ . _ . . _ - , _
inspection in 1996, a washout area was observed at the south sido
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of the pond and riprap was placed to correct this slope l instability. This was a small area and had no significant offect !
on the water volume of the pond required for the standby cooling i service for the reactor units. l
- 5. Rec.ords. Design and construction records including .
as-built drawings and a final safety analysis report are maintained '
by Duke at the sitt and at the corporate office in Charlotte, !
North Carolina. These documents are also maintained at the NRC-IlQ !
of flices in Washington, D. C. t
- 6. EmerganGy_Ag. tion. Plan _1E&El. Any emergency actions associate with the SNSWP are part of the overall emergency evacuation plan for the Catawba Nuclear station. No separate EAP exists for the SNSWP at this time. There is a dwelling located at !
the downstream left toe area which could be affected by a failure of the SNSWP dam if the floor level is lower than the pond level (Photograph 7). This should be verified. According to FERC criteria, an EAP is required for a project with a "Significant" hazard potential classification.
l Cs EnYironmental. Publig 111a_and _ Saf aty. No items of questionable.public safety were observed or reported during this l reporting period. The dam and pond are closed to the public. The area is fenced and access gates are locked. Existing public safety features appear adequate and are properly maintained. No additional actions to protect life and property were required as a r6 cult of-the inspection.
D. Katiers of commission Interett.
- 1. AdditiQng. Bettermenta d attes.4_Ratirements, or Needed ext.tnai9AR. None.
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- 2. Requiring _ Commission _Ac11on. lione .
- 3. DIodac.t_ Compliance. lio applicable.
E. Eindinga_and_In11ong_Ac. tion. The inspection toum did not observo any conditions that should adversely affect the immediato safoty and permanonce of the project. A mooting was hold at the site on the afternoon of February 26, 1997, and the following observations and recommendations woro discussed with llRC and Duke representativos:
- 1. Increase the inspection frequency for the dam from quarterly to monthly.
- 2. Rowork the area surrounding piezometer P-7 to prevent ponding rain water and clean and test this instrument to oncuro its proper functioning.
- 3. Conduct offset surveys of the surface monuments to monitoring horizontal movement.
- 4. Add a surface monument on top of the outlet structure to monitor its vertical and horizontal movements.
- 5. Conduct periodic surveys of the reference benchmark in the plant from a USGS benchmark.
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Plan, Standby Nudcar Senice Water Pond Dam
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l Upstream view of the SNSWP dam, looking from tho l crest on the left.
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i Photograph 2 02/26/97 i j A view of the dam crect, looking toward the left
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Photograph 3 02/26/97 Upstream slope of the left portion.
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Photograph 4 02/26/97 Left abutment of the dam; the road along the downstream too accesses a boat ramp.
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( Photograph 5 02/26/97 Boat ramp located just to the left of the dam.
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j Riprapped dotnstream slope, looking from the left too.
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! t i Photograph 7 02/26/97 Tho left portion of the downstream slopo. Noto r the dwelling located at the other side of the too i road at the time of this inspection. This j dwolling was removed betwoon April and July 1997. I l j i i l
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Photograph 8 02/26/97 The drainago ditch at the downstream right abut-ment. Noto scepage exits at the middle height of the ditch.
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Photograph 9 02/26/97 l A view of the downstream Lake Wylie, looking from l the top of the S!!SWP dam. Note the breached coffordam used for the construction of the dam (arrow).
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5 l Photograph 10 02/26/97 overall view of the outlet works, located at the right of the dam.
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l Photograph 13 02/26/97 j Gravol ramp access to piezomotor P-3 over the I
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q Note the depression surrounding this instrument, i
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' CATAWBA SNSW DAM SETTLEMENT READINGS i . l [ } I 4
I ! l l , , ; 7 4 I 3/3/78 4/10/78 5/5/78 76/2/78 7/7/78 i 8/4/78 9/1/78 10/20/78 11/3/78 12/1/78 i 1/5/79 ,
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SM*1 : 593.770 593.730 593.780 i 593.760 I. 593.735 j 393.743_{ 593.714 593.743 __593.744 593.739 :
SM#2 f 59_4.170 594.130 594.170 j 594.150}_593.750 594.140 594.125 1 594.143 594.108 594.136 594.128 594.118 SMs3 J 594.730 594.690 594.730_! 594.700 l 594.71_0_ 594.675 [ 594.693 _
594.656 594.678 594.687 594.676 ,
SMs4 595.010 594.970 595.010 { 594.980 I 594.980 594.955 j 594.973 1 594.941 594.968 594.967 594.959
- SM*5 594.640 594.600 594.650 ! 594.610 594.600 594.585 594.603 l 594.556 594.596 594.597 { 5"~ V i hM#6 594.690 594.660 594.700 i 594.670 594.650 594.635 594.653 I 594.624 594.644 594.656 ~ 4
'SMs7 594.400 594.370 i_ 594.355 [ 594.375 594.351 594.362_594.3f0 .sp473 f SM*8 594.420 594.380 I'594.430 i 594.420 SM*9 I 594.080 594.060 594.10j0 594.090 (I 594.390 I 594.370 )l 594.390 ( 594.418 594.400 594.408 594.406 ! 594.415 594.413 594.055 ! 594.095 594.085 594.075 l 594.077 594.066
_ '3 SM#16i 593.550 -593.540 . 593.560 593.560 593.550} 594.070 593.5_25 i 593.563 1 593.568 _ 593.5501593.562 l 593.559 SM#11 [ 593.290 593.290 593.300 } 593.310_ 593.300 [ 593.280j 593.298 [ 593.308 g593.308 l 593.303 i 593.300
- SM#12 { 592.920 592.930 ]; 592.920 i 592.920 592.930 4 592.895 I 592.910592.928 592.926 592.937 l 592.913 l
L _______
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~SM#1] 0.000 -0.040 0.010 -0!O10 _
-0.056 -0.027 -0.026 -0.031-
-~dT626] -0.035 [ -0.027 .
-0.040 j O.000 -0.020 , -0.030 : -0.045 -0.027
_SM *2. O.000 -0.062- -0.034 -0.042 -0.052 SM*3 0.000 -0.040 0.000- -0.030 -0.020j -0.055 -0.037 -0.074 -0.052. -0.043 '
-0.054 '
SM*4 0.000 -0.040 0.000 -0.030 -0.030 -0.055 -0.037 -0.069 -0.042 -0.043 -0.051 [
SM*5 0.000 -0.040 0.010 -0.030 -0.040 . -0.055 -0.037 -0.084 -0.044 -0.043 , -0.048
- SM*6 0.000 -0.030 0.010 _-0.020 -0.040 -0.055 -0.037 -0.066 -0.046 -0.034 l -0.046
.4 3
SMs7l 0.000 -0.030 -0.010 4 -0.030 -0.055 -0.025 -0.049 -0.038 -0.030 j -0.037
' h g
[SM*8 I' O.000 -0.040
-0.020 0.010 0.020 0.000 0.010
-0.020 4
-0.010
-0.030
-0.025
-0.002 } -0.012 0.015 0.005
-0.014 -0.005 j -0.007 SM#9 [ 0.000 -0.005 -0.003 1 -0.014 4 SM#10 0.000 -0.010 0.010 0.010 0.000 -0.025 0.013 0.018 0.000 0.012 i O.009 f 5idF1T _O.000 0.000 [ 0.010 0.020 0.010 ! -0.010 0.008 0.018 0.018 0.013 j O.010 ,
M sM#12 0.000 0.010 1 0.000 0.000 0.010 ] -0.025 -0.010 0.008 0.006 0.017 1 -0.007
- ry T
1 l l~- t i 3
i Page 1 4.
i
CATAWBA SNSW DAM SETTLEMENT READINGS
_ _ _ _ _ _ 1___ _) f.__
~
2/2/79 ^
3/2/79 4/10/79 5/7/79 6/1/79 i 7/6/79 i 8/3/79 9/11/79 10/8/79 11/7/79 12/15/79 F i i i i ;
SM#1 l 593.769 593.722_ 593.750 { 593.728[593.707 i 593.705 l 593.698 593.694 593.701 (593.709 i 593 701 S_M#2 l 594.155 _594.115 j_594.127 ; 594.118 I 594.100 i 594.095j 59_4.091 594.084 594.091 ' 594.099 I~ 594.091 SM*3] 594.703] 594.666_j 594.669 i 594_.667 {_594.655j 594.6451594.641 594.644 594.641 594.659 i 594.639 SM*4 { 594.995 594.956 594.964 [ 594.960 [ 594.940 t 594.935 { 594.939 594.933 594.936 594.939 i 594.939 SM*5 [ 594.618 594.590 594.601 1 594.595 1 594.575 ! 594.569 I 594.576 594.570 594.578 594.586 i 594.579
_SM#6j 594.680 594.641 I l 594.617 L594.624 594.613 594.618 594.641 i 594.626 SM*7 l 594.390 594.353 594.650594.363_ { 594.360 i 5~94.643_I]594.629_T 594.346 . 594.335 594.339 I 594 594.338 346 ! 594.341 594.358 SM#8 T 5941555~ 594.411 594.4i0 i 594.414 594.393 : 594.35FT 594.382 594.369 594.380 5~94.391 ! ~594.391 SM*9 i 594.082 594.068 594.053~i'55A.J59 594.056 i~55U04T1 594.051 [ 594.044 594.043 594.066 i 594.045 SM#10i 553364- 593.559 3 53.551 7 593.545 593.538 [~595525~ ~ 593.530 1 593.538 593.543 1~593.561 l 593.537
'SM#11I593.296 I~55535F [555~2f3]55.~2jU]55536I 593d((553.282_! 593.2793 593.282 593.281 1 593.27_6_ ;
SM#12] 593.910 [ 592.900 592.898g92.897 592.899_ 592.899 592.903 l 592.901 592.901 ! 592.896 592.896 l
! _j i y _ _ _ _,___ A- L- 1 1 w
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6 42~ -0.063
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~55dil 0.001 -0.048 -0.040~ -
-0.065 -0.072 -0.076 -0.069 2 -0.061 -6669 SM#2_ -0.015 -0.055 -0.043 -0.052 } -0.070 !._ -0.075 j -0.079 -0.086 -0.079 } -0.071 1 -0.079 SM#3 -0.027 -0.064 -0.075 1 -0.08_5 -0.099 -0.086 -0.089 '
-0.081 l -0.091
-0.061 ]I -0.050-0.063 -0.070 I_ -0.075 SM#4 -0.015 -0.054 -0.046 1
-0.071 -0.077 -0.074 -0.071 i -0.071 SM#5 0.022 -0.050 -0.039
-0.045 l -0.065 [ -0.071 -0.064 -0.070 -0.062 -0.054 -0.061 SM#6{ -0.010 -0.049 -0.040 -0.047 J_-0.061 l -0.073 -0.066 -0.077 -0.072 -0.049 -0.064 SM#7j -0.010 -0.047 -0.037 -0.040 -0.054 } -0.065 j -0.0_54 -0.061 -0.062 -0.042 l -0.059 SM#8 0.015 -0.009 j -0.010 _
-0.003 -0.027 j -0.038 j_-0.038 l -0.051 -0.040 t
-0.029 i -0.029 SM*9 0.002 -0.012 -0.017 ] -0.011 -0.030_I -0.039 ! -0.029 l -0.036 -0.037 -0.0_14 -0.035_ ;
SM#10, 0.014 ] 0.009 J.001 l -0.003 l -0.012 j -0.027 -0.020 l -0.012 .-0.007 0.011 -0.013 SM#11 0.006 -0.006 -0.007 [ -0.023 -0.010 q 0.022 -0.008_ i -0.011 [_ -0.008 -0.009 -0.014 SM#12 0.990 -0.020 -0.022 l -0.023 -0.021 i - 0.021 -0.017 -0.019 -0.019 -0.024 l -0.024
- I l * ,
Page 2 ,
- l i
CATAWBA SNSW DAM SETTLEMENT READINGS
. ! ! ! I I
! L
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I 1 i i
! L h 1/10/802/11/80 3n Of80 , 4/4/80 5/2/80 6/6/80 l 7c. 30 8/12t80 l 9/5/8010/3/80 11/14/80 i__1 - _ ! _ _ __ _ _ .
I 593.707 l 593.715 l 593.699 i 593.711 ! 593.709 I
593.717 J !
SM#1 1 593.690 1 593.683 593.723 593.709 ! 593.724__
_SM#2]54.079 554.073 594.087 i 594.095 553.097 ! 594.096 ' 594.101 594.110 594.104 594.094 594.099 SM#3 i 594.637 594.623 594.645 i 594.645 594.643 l 594.656 i 594.653 594.658 594.666 594.649 594.659 !
SM*4 } 594.93_3 594.913 594.937 I 594.943 } 594.941 j 594.953_j 594.943 594.962 594.963 594.9% j 594.951 3 SM*5 i 594.5667 594.548 594.567 i 594.575 594.576 594.588 594.586 594.591 594.592 594.582 l 594.587
_SM#6394.6141594.601 994.621 j 594.628 594.621 ; 594.634 594.633 594.639 , 594.644 594.630 594.639_ l SM*7 [ 594.336 594.316 l 594.337, _5,94.345 594.348 i 594.358 594.346 594.354 594.358 594.349 594.358 SM *8_1_594.3_80 594.370_1 594.377 594.397 594.382j 594.398 l 594.389 594.401 594.408 594.394 ' 594.410 SM_#91594.044. 594.028 ! 59_4.042 594.045 5_94.058] 594.067 594.051 594.051 594.061 594.055 594.058 SM_#10l 533.536 593.537 j 593.542 593.535 593.525 J 593.536 593.536 593.542 593.5451 5
_93.549 593.551 '
SM#11 593.276 593.273 [ 593.271 593.270 593.273 I 593.277 L593.276 593.283 593.287 l 593.290 593.282 SM#12, 592.890 592.P34 L592.891 92.,892 592.901 592.904 592.903 592.892 } 592.896 592.902 { 592.902 ,
_ ____ _1 __] _ __ _J
_ c . .__ ! %
a h_ _. _ _ _ . . _I_ - ____ _ __ .d f h ._____
~
~5iUii 0 d86 -0.057 -0.063 -0.055 ~ d.07
-0.O'5F -0.061 -0.053 -0.043 -0.061 -0.046 ' s SM*2 -0.091_ -0.097 -0.075 ] _ -0.074 1 -0.069 -0.060 -0.066 -0.071 4 -0.083 T-0.075 -0.087 l -0.074 1 -0.077
, -0._076 SM#3 _-0.093 ! -0.107 ! -0.085 -0.085 -0.072 -0.064_j -0.081 -0.071 SM#4 -0.077 I -0.097 -0.073 -0.067 -0.069 -0.057 -0.067 -0.048 -0.047 -0.060 -0.059 SM*5i -0.074 0.092 -0.073 I -0.065 -0.064 -0.052 -0.054 -0.049 4
-0.048 -0.058 I -0.053 SM#5 l -0.076 0.089 -0.069 -0.062 -0.069 -0.056 -0.057 -0.051 -0.046 -0.060 J -0.051~ l
~S If#TI -0.064 ' ~ '0.084 -
2 0630 -0.055 _ -0.052 , -0.042 -0.054 -0.046 -0.042 -0.051 j -0.042 !
SM#81 -0.040 -0.050 -0.043 -0.023 -0.038 -0.022 1 _ 0_.031 -0.019 -0.012 -0.026 1 -0.010
-SM*9] -0.036 -0.052 -0.038 -0.035_ -0.022 _ ,_0.0_13 -0.029 -0.029 -0.019 -0.025 -0.022_ .
_SM #10 [_-0.014 -0.013 -0.008 -0.015 -0.025 1 -0.014 -0.014 -0.008 -0.005 -0.001 0.001 SM#11 i -0.014 -0.017 -0.019 -0.020 -0.017 1 -0.013 -
-0.014 . -
0.007 -0.003 0.000 -0.008 SM*12' -0.035 170 R6 -0.029 -0.028 -0.028 I~ -0.024 7 -0.019 -0.016 -0.018 -0.018 -0.017 ;
i t T 1 >
4 Page 3
a CATAWBA SNSW DAM SETTLEMENT READINGS - ,
1 12/8/80 1/19/81 2/17/81 3/6/81 4 /10J31 5/29/81 6/25/81 7/7/81 8/28/81 9/4/81 10/2/81 >
i SM#1 593.700 593.706 593.698 593.718 593.700 593.711 593.702 593.709 593.711 593.696 l SM#2 594.089 594.096 594.088 594.107 594.093 594.109 59A 086 594.091 594.094 594.086 SM#3 594.638 594.647 594.639 594.655 594.643 594.649 594.643 594.643 594.645 594.643 SM#4 594.932 594.945 594.934 594.963 594.939 594.952 594.938 594.939 594.939 594.933 SM#5 594.568 594.582 594.570 594.591 594.576 594.585 594.575 594.574 594.575 594.580 ,
SM#6 594.618 594.627 594.616 594.637 594.624 594.634 594.623 594.626 594.624 594.630 I
. SM*7 594.330 594.346 594.335 594.350 599.342 594.349 594.339 594.339 594.343 594.341 SM*8 594.380 594.396 594.383 594.397 594.388 594.398 594.384 594.382 594.388 594.395 SM#10 5 3 . 5 3 3 3 38 53 . 6 9.3 .
I SM#11 593.281 593.283 593.283 593.282 593.283 593.283 593.283 593.281 593.283 593.288 l SM#12 592.903 592.906 592.903 592.903 592.903 592.904 592.899 592.898 592.P95 592.906 4
I SM#1 -0.070 -0.064 -0.072 -0.052 -0.070 -0.059 -0.068 -0.061 -0.059 -0.074 SM*2 -0.081 -0.074 -0.082 -0.063 -0.077 -0.061 -0.084 -0.079 -0.076 -0.084 SM#3 -0.092 -0.083 -0.091 -0.075 -0.087 -0.081 -0.087 -0.087 -0.085 -0.087 ,
SM#4 -0.078 -0.065 -0.076 -0.047 -0.071 -0.058 -0.072 -0.071 -0.071 -0.077 SM*5 -0.072 -0.058 -0.070 -0.049 -0.064 -0.055 -0.065 -0.066 -0.065 -0.060 ,
SM*6 -0.072 -0.063 -0.074 -0.053 -0.066 -0.056 -0.067 -0.064 -0.066 -0.060 i SM*7 -0.070 -0.054 -0.065 -0.050 4.942 -0.051 -0.061 -0.061 -0.057 -0.059 l SM*8 -0.040 -0.024 -0.037 -0.023 -0.032 -0.022 -0.036 -0.038 -0.032 -0.025 SM#9 -0.043 -0.026 -0.027 -0.024 -0.029 -0.023 -0.033 -0.035 -0.030 -0.027 ;
SM#10 -0.018 -0.019 -0.017 0.000 -0.015 -0.012 -0.015 0.986 -0.015 -0.003 l SM#11 -0.009 -0.007 -0.007 -0.008 -0.007 -0.007 -0.007 -0.009 -0.007 -0.002 SM#12 -0.017 -0.014 -0.017 -0.017 -0.017 -0.016 -0.021 -0.022 -0.025 -0.014 Page 4 j l
^ '
CATAWBA SNSW DAM SETTLEMENT READINGS I !
f
, 11/13/81 12/10'81 1/4/82 2/7/82 3/5/82 4/2/82 5/10/82 6/4/82 7/2/82 8/6/82 9/3/82 !
SM*1 593.703 593.704 593.708 593.698 593.703 593.715 593.694 593.701 593.694 593.690 SM#2 594.090 594.092 594.087 594.085 594.093 594.100 594.088 594.089 594.083 594.081 SM*3 594.649 594.652 594.648 594.640 594.644 594.648 594.635 594.642 594.634 594.640 t SM#4 594.940 594.950 594.941 594.938 594.942 594.942 594.933 594.937 594.928 594.926 >
SM#5 594.584 594.636 594.579 594.576 594.578 594.577 594.571 594.574 594.565 594.561 -
SM#6 594.636 594.632 594.631 594.623 594.624 594.627 594.620 594.623 594.616 594.611 i SM*7 594.350 594.344 594.339 594.336 594.339 594.342 594.339 594.341 594.335 594.329 SM*8 594.400 594.398 594.392 594.387 594.391 594.387 594.382 594.309 594.378 594.375 SM*9 594.059 594.049 594.051 594.043 594.049 594.056 594.046 594.045 594.044 594.041
~
SM*10 593.544 593.539 593.547 593.536 593.535 593.535 593.532 593.528 593.532 593.530 :
i SM*11 593.286 593.280 593.282 593.283 593.282 593.283 593.279 593.281 593.281 593.278 +
.l SM*12 592.902 592.898 592.903 592.903 592.901 592.903 592.901 592.904 592.901 592.899 ;
t P
1 !
-0.066 -0.062 -0.072 -0.067 -0.055 '
SM*1 -0.067 -0.076 -0.069 -0.076 -0.080 SM*2 -0.080 -0.078 -0.083 -0.085 -0.077 -0.070 -0.082 -0.081 -0.087 -0.089 's t SM*3 -0.081 -0.078 -0.082 -0.090 -0.086 -0.082 -0.095 -0.088 -0.096 -0.090 i SMs4 -0.070 -0.060 -0.069 -0.072 -0.068 -0.068 -0.077 -0.073 -0.082 -0.084 :
SM#5 -0.056 -0.004 -0.061 -0.064 -0.062 -0.063 -0.069 -0.066 -0.075 -0.079 !
SM#6 -0.054 -0.058 -0.059 -0.067 -0.066 -0.063 -0.070 -0.067 -0.074 -0.079 [
SM#7 -0.050 -0.056 -0.061 -0.064 -0.061 -0.058 -0.061 -0.059 -0.065 -0.071 l SM#8 -0.020 -0.022 -0.028 -0.033 -0.029 -0.033 -0.038 -0.111 -0.042 -0.045 t I
SM*9 -0.021 -0.031 -0.029 -0.037 -0.031 -0.024 -0.034 -0.035 -0.036 -0.039 ;
c SM#10 -0.006 -0.011 -0.003 -0.014 -0.015 -0.015 -0.018 -0.022 -0.018 -0.020 SM#11 -0.004 -0.010 -0.008 -0.007 -0.008 -0.007 -0.011 -0.009 -0.009 -0.012 -
SM#12 -0.018 -0.022 -0.017 -0.017 -0.019 -0.017 -0.019 -0.016 -0.019 -0.021 !
- Page 5
O CATAWBA SNSW DAM SETTLEMENT RE?. DINGS I I. i. I, !. !
1
_a- _
_._.l. ._ _._i }
. 10/1/82 11/5/82 12/3/82_, 1/7/83 i 2/4/83 3/4/83 ! 4/4/83 5/6/83 6/3/83 7/1/83 8/5/83 l i I I ! I
. SM#1 T593.701 593.695 593.698 1 593.709 j 593.708 { 593.708 i Si5.Y6~9' 593.704 593.706 1 593.713 i. 593.703 SM#2 f594.086 594.084 _594.087 594.094 4. 594.094 l 594.093 I 594.098 594.091 594.094 1 594.097 1,594.090 ,
594.637 594.643 594.643 SM#3 { 594.634__
SM#4 i 594.932 594.928 594.632_
594.936 594.645 ! 594.639 { 594.639 I 594.643 594.942 i 594.936 i 594.93_8_1 594.938_1 594.942 2
594.942 594.645 } 594.638 594.944 l 594.935 SM#5 594.5687 594.562 594.571 J 594.580 1 594.573J 594.577 i 594.570 j_594.578 594.580 594.580_1_594.572 SM#6 594.614 594.610 J 594.617 j 594.626 T 594.623 ! 594.626 ! 594.620_j_594.624 594.624 ' 594.624 j 594.617 SM*7 594.335_ 594.334j 594.338 i 594.342j_594.3404 594.339 i 594.336 ' 594.341 594.342 594.343 594.339
.SM*8, 594.379 [ 594.382 594.387 [ 59_4.395_ 594.390 594.391 1 594.379 594.398 594.389 594.385 594.387 594.046J 594.054 59_4_.048 i 594.049 594.044 59_4.054 i 594.047_ [
_SM#9J[594.046 593.536j
} 594.045 593.549J _593J45[_594._0_501594.056
] SM*10 593.531 ] 593.535 593.546 l 593.5,35 593.546 593.542 593.537 ! 593.539 i SM*11, 593.278 l 593.285 593.284 593.286 ! 593.282 1 593.284 1 593.283 593.281 593.281 1593.283 f 593.283 l i SM*12 o92.904 I 592.903 592.903 592.902j 592.905} 592.903 [592.901 592.903 592.900 1 592.901 L592.899_ [
j
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-0.075 -0.072 -0.061 -0.062~ -0.062 T061 -0.066 -0.064--^D7057 -0.057 -
-0.086 TU~d83j -0.076 -0.079 -0.076 -0.073 i
_SM*2 i _-0.084 _-0.076_ -0.077 ] -0.072 -0.080_
_SM*3 { -0.096 -0.098 -0.093 l -0.085 g -0.091 -0.091 ! -0.087 -0.087 -0.087 -0.085 -0.092 ;
S_M*4 j -0.078 ' 0.082j -0.074 : -0.068 1. -0.074
-0.072 i -0.072 -0.068 -0.068 -0.066 { -0.075 -
SM#5i -0.072 -0.078 -0.063 l_-0.060 j -0.067 -0.063 ! -0.070 -0.062 -0.060 -0.060 i -0.068 :
SM*61 -0.076 -0.080 -0.073 l -0.064 f -0.067 -0.064 -0.070 -0.066 -0.066 -0.066 I -0.073
~SM#7i -0.065 -0.066 [ -0.062 -0.058 -0.060 -0.061 ] -0.064 _ -0.059 -0.058 _-0.057 l -0.065]
SM#h -0.041 -0.038 -0.033 -0.025 _ -0.030 -0.029 j -0.041 _
-0.022 -0.031 -0.035 ! -0.033 SM*9 -0.034 -0.035 -0.034 -0.026 -0.032 -0.030 J. -0.024 -0.031 -0.036 -0.026 -0.033 SM#10 -0.019 -0.015 -0.014 -0.001 -0.005 , -0.00_4 1 -0.015
-0.004 -0.008 -0.013 -0.011 SMall I -0.012 -0.005 -0.006 i -0.004 -0.008 -0.006 -0.007 -0.009 -0.009 -0.007 ) -0.007
-0.017 -0.017 I -0.018 i -0.015 _ -0.017 -0.019 j[-0.017 -0.020 -0.019 [ -0.021 -
SM*12 [t -0.016_ i r t i i Page 6
CATAWBA SNSW DAM SETTLEMENT READINGS i ,
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' SMi1 ) 593.701 ; 593.693 ; 593.700 593.700 ' 593.705 593.709 593.701 T59'3'f11 . 59ffi4 ~593.692 ~ ~S93I706' SM#2 . 594.089 ; 594.080 i 594.086 ; 594.086 ! 594.090 594.092 594.089 ; 594.094 ' 594.000 l 594.081 , 594.088 M3[594yJ5J 594.629 594.637 594.636j 594.642 594.645_ 594.6_37 1 594.6461 _94.649.2594.634iS9f.634 5 .
SM#4, 594.932 ; 594.924 , 594.934
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594.933 ! 594.937 - 594.944 .-- 594.934 . 594.944 ; 594.945 > 594.929 . 594.931 .
jp#61]NQ395Md.}My(,Mki[M615 g594.621 ;_59_4.6_18 i 5_94._6_293 594.628 I 594.615 l 594.616 SM#7i 594.335 I 594.337 . 594.337 594.333 ! 594.338 594.337._ 594.339 ; 594.341 ; 594.339 ' 594.331 ! 594.333
]Mp8]M38({_594j8{]K377]@83] 55M8{ 594.391 ]9I.~384]9I.390[595.[3}f2]94 37[]9d'.38Di
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594.043 i 594.043 594.047 . 594.054 . 594.049 . 594.051 ~
594.039 . 594.047 Sp#i } 59f537 I]553.[53((551533 [59153_8[ {591541 }[59154[1[~593.538((593.544]51535))9f5_26[593._53T SM#11 593.283 ~
593.281 ~. 593.279 , 593.279 : 593.281 ~
593.282 . 593.284 : 593.290 593.284 : 593.280 593.282 ~
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Sui 1 i 26. 69~ ~I~ ~d0ffY ~-0.070 ~-0.0}0 ~~b1.'d65'I~1.~061 0 0 ^ '0.'069 Y 4.059~
~6.656~ -0.D78 ~iO l070~
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SM#3! -0.095 -0.101 .
-0.093 i -0.094 1
-0.088 . -0.085 -0.093 , -0.084 i -0.081 . -0.096 : -0.096Sl%[_-0.078_ j _-0.086i-5076 } ]O.U77] gDf3[{ ~ D~066]'_ _-dM5((506(.[].665]i .[08_1((~K679] . O _ SM*5! -0.071 . ! -0.078 ..I -0.070 i -0.071 i ---0.066 -0.061 -0.069 : -0.056-- } -0.057 -0.071
, -0.070 !
( - S@7 D.065[-d[06{ -U.053]((U.667][-U.d5{ [ [-D[6_63))[06Q. g059[]I]~[ 6f-{-[0.UU9 ((0.057[ _ _.Sr,1#81-0 035 j 70 :039 ! -0.043_L-0.037 J. -0.031 _-0.029 . _ 0.0J6_ 0.030_ [ -0.038 l -0.046 ! -0.040 SM#9I -0.032 I -0.039 , -0.037 ! -0.037 . -0.033 -0.026 ; -0.031 l -0.029 . -0.041 -0.033 j gg 7_-0.039 : . g 7 609~- 4 609 I UW I~M6FMN~ihI7M~ -
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SMEHf 4007 J36.06:9)) j0]Ii(([-0.011 } '[gdd9} (( ddO8))U_.~dU6[j.}060 ]O]O66]~[{0M~0]3008[ SM#12 L 4pi9_1 4918 2 9p70 4 7pp21 { 4.021 - 4 4.020 : 4.019 i -0.009 ,
-0.017 ! -0.019 . -0.019 l
; 1
; 3 i Page 7
.e CATAWBA SNSW DAM SETTLEMENT READINGS 1
I I ! l ! ! ! ! j j 1-+ -_+ 1 7 i j j 'j
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A i ! -L ! ! 12/17/84. -I 1/23/85 i 2/27/85 ! 3/19/85 1 4/17/85
! 8/9/84 9/7/84 f 10/10/84 ) 11/9/84 5/9/85 6/17/85 I ! I l ! } f ! !
SM#1 J 593.699 593.7062 593.701 593.698 I 593.696 l 593.682 l 593.698 593.6867 593.6787 593.693 . 593.696 SM*21 594.087 594.090 1 594.086]4 594.086 594.082 ! 594.064 i 594.002 594.070 (594.058 l 594.073 ! 594.080 SM*3 I - 594.630 l 594.6357 594.630j 594.63 594.628 ; 594.614 594.629 594.616 1 594.611 ( 594.62'S I 594.628 i SM#4 I 594.929 I594.929 594.927 i 594.930 594.926 i 594.907 i 594.928 594.913 l 594.912 1 594.922 j 594.925
.SM*5 l 594.572 594.570 594.55 { 594.570,[594.561 594.5471 594.562 594.551 i 594.549 [ 594.558 ! 594.564
_SM*6 l 594.617 594.618 594.613 L 594.619 594.612 1 594.599 { 594.612 594.001 1 594.594 ! 594._606 i 594.609_ SM*7j 594.334[594.334 , 59_4.333 (594.335_ _594.334J 594.319] 594.3271 594.324 L594.321 i 594.325 j 594.323_
'i SM#81 594.379 l 594.384 594.379 ! 594.3841594.379 i 594.369 i 594.381 { 594.370 j 594.265 i 594.377 } 594.378 S_M*9J 594.041 ! 594.048 594.045 ! 594.052 594.046 1 594_.033 594.046 594.032 l 594.031 [ 594.037 i 594.042
_SM*10 l 593.526 f593.536_ 593.535 { 593.534 _593 5311593.524 593.531 593.526 [ 593.52_0__L 593.529 j 593.534_ -[ 593.280 l 593.273 593.230 i 593.278 1 593.272 ' 593.280] _593.278 .j SM#111 SM#12] 592.891 593.274 j 592.902{ 593.282,[ 592.902 593.284 592.896 i 593.281 592_.900 592.897 ' 592.891 592.895 592.896 'l 592.S99 4 592.898
.- b _ -. - J l- Q } l i g i .7 L---- l-- L._- y m -. + 1 ! L
_p 4._ 4 4 _L_ ! l 1 1
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SM*1 -0.071 -0.064 ' -0565 _-0.0Y2 ] -0.074] -6T688 -0.072 l -0.084 -0.092 -0.077 -0.074
-0.084 i -0.084 ; -0.088_[; -0.106-0.C 88 i SM*2_ __-0.08_3 -0.080 -0.100 -0.112 ' -0.097 j -0.090 ;
SM#31 -0.100 -0.095 -0.100 i -0.095 j -0.102_1, -0.116 , -0.101 1 -0.114 -0.119 -0.105j -0.102 i
-0.081_, -0.083 l -0.080 1 _-0.084 -0.103 -0.082 -0.097 -0.098 -0.088 L-0.085 ;
_SM#4SM#ST 0.068 0.081
-0.070 J -0.076 [ -0.070 { -0.078_., -0.093 -0.078 l -0.089 -0.091 -0.082 ! -0.076 "
SM*6, -0.073 y -0.072 -0.077 l -0.071 -0.078 -0.091 -0.078 l -0.089 -0.096 -0.084 -0.081 ; SM#7j -0.066 -0.066 -0.067 i -0.065 -0.066 -0.081 -0.073 J -0.076 -0.079 -0.075 ] -0.077 l SM#8 -0.041 -0.036 i -0.041 i -0.036 -0.041 -0.051 -0.039 { _ -0.050 -0.155 -0.043 -0.042 SM#9 -0.039 L -0.032 -0.035 -0.028 0.034 -0.047 4 -0.034 ] -0.048 l -0.049 -0.043 -0.038 ! SM*101 -0.024 -0.014 -0.015 -0.016 -0.019 -0.026 -0.m 3 [ -0.024 -0.030 1 -0.021 -0.016 -!
~55i#117 -0.016 -0.008 -0.006 -0.009 -0.010 -0.017
-0.010 -0.012 -0.018 -0.010 . -0.012_ ,
SM#12 -0.029 -0.018 i -0.018 _] -0.024 -0.020 -0.023 -0.023 -0.025 -0.024 -0.021 I -0.022 i i i i i i i i Page P ,
?
CATAWBA SNSW DAM SETTLEMENT READWGS , e l' ! 7/12/85 8/19/85 9/18/85 10/24/85 11!10 as 12/5/85 1/13/86 2/2/86 3/10/86 4/2/86 5/2/86 ' 1 SM*1 593.692 593.688 '593.695 593.702 593.705 593.706 593.697 593.695 593.703 593.705 i SM#2 594.077 594.068 594.023 594.084 594.086 594.091 594.077 594.079 594.083 594.089 4 SM#3 594.624 594.610 594.622 594.637 594.635 594.638 594.624 594.625 594.639 594.636 I I SM*4 594.922 594.906 594.917 594.933 594.931 594.933 594.921 594.921 594.925 594.933 ! SM*5 594.557 594.548 594.556 594.568 594.L68 - 594.569 594.560 594.559 594.563 594.570 - SM#6 594.608 594.604 594.604 594.617 594.618 594.622 594.609 594.611 594.617 594.613 i i SM*7 594.327 594.320 594.326 594.332 594.339 594.344 594.329 594.331 594.338 ' 594.339 : SM#8 594.372 594.379 594.369 594.379 594.383 594.383 594.376 594.376 594.380 594.382 2 SM*9 594.034 594.036 594.042 594.042 594.048 594.059 594.043 594.044 594.050 594.055 . SM#10 593.522 593.535 593.527 593.531 593.535 593.535- 593.532 593.532 593.535 593.535 ; i SM*11 593.272 593.269 533.2'/5 593.279 593.282 593.281 593.282 593.280 593.284 593.284 i SM*12 592.894 592 898 592.895 592.896 592.899 592.898 592.902 592.899 592.901 592.901 ! I ! q SMs1 -0.078 -0.082 -0.075 -0.068 -0.065 -0.064 -0.073 -0.075 -0.067 -0.065 SM*2 -0.093 -0.102 -0.147 -0.086 -0.084 -0.079 -0.093 -0.091 -0.087 -0.081 { SM#3 -0.106 -0.120 -0.108 -0.093 -0.095 -0.092 -0.106 -0.105 -0.091 -0.094 l
- SM*4 -0.088 -0.104 -0.093 -0.077 -0.079 -0.077 -0.089 -0.089 -0.085 -O.077 j SM*5 -0.083 -0.092- -0.084 -0.072 -0.072 -0.071 -0.080 -0.081 -0.077 -0.070 f SM*6 -0.082 -0.086 -0.086 -0.073 -0.072 -0.068 -0.081 -0.079 -0.073 -0.077 i SM#7 -0.073 -0.080 -0.074 -0.068 -0.061 -0.056 -0.071 -0.069 -0.062 -0.061 l SM#8 -0.048 -0.041 -0.051 -0.041 -0.037 -0.037 -0.044 -0.044 -0.040 -0.033 ,
+ SM*9 -0.046 -0.044 -0.038 -0.038 -0.032 -0.021 -0.037 -C. 16 -0.030 -0.025' I l SM#10 -0.028 -0.015 -0.023 -0.019 -0.0 ". 5 -0.015 -0.018 -0.(. 8 -0.015 -0.015 i- SM#11 -0.018 -0.021 -0.015 -0.011 -0.008 -0.009 -0.008 -0.010 -0.006 -0.006 l l ~SM#12 -0.026 -0.022 -0.025 -0.024 -0.021 -0.022 -0.018 -0.021 -0.019 -0.019 I Page 9 i :
CATAWBA SNSW DAO SETTLEMENT READINGS l i
- i i 4
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