SW3240102_Design Calculations_20240501

PROJECT CALCULATIONS
LANES CREEK VFD
FIRE DEPARTMENT
UNION COUNTY
MONROE, NC
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Mc2 Engineering, Inc.
2110 Ben Craig Dr., Suite 400
Charlotte, North Carolina 28262
[phone]
PROJECT NO. 21-036
DATE: 4/30/24

TABLE OF CONTENTS
SECTION 1 - EROSION CONTROL
L CHANNEL CALCULATIONS
SECTION 2 - STORM SEWER
I. STORM SEWER PIPE SIZING
SECTION 3 - APPENDIX
I. NOAA RAINFALL DEPTH
II. SOIL REPORT
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EROSION CONTROL CALCULATIONS
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NORTH North American G reen
AMERICAN 5401 St. Wendel-Cynthiana Rd.
Poseyville, Indiana 47633
GREEN Tel. [phone]
> Fax [phone]
w w wnagreen.com
ECM D Sv7.0
CHANNEL ANALYSIS
>>>Y16-CV3-D
Name YI6-CV3-D
Discharge 0.95
Channel Slope 0.067
Channel Bottom Width 0
Left Side Slope 3
Right Side Slope 3
Low Flow Liner
Retardence Class D 2-6 in
Vegetation Type Bunch Type
Vegetation Density Fair 50-64%
Soil Type Silt Loam(SM)
Unreinforced Vegetation
Normal Permissible Calculated Safety Staple
Phase REach D scharge V locity Mannings N Remarks
Depth Shear Stress Shear Stress Factor Pattern
Unreinforced Straight 0 .95 cfs 2 .97 ft/s 0 .33 ft 0 .037 4 lbs/ft2 1 .36 lbs/ft2 2 .93 S TABLE -
Vegetation
Underlying Straight 0 .95 cfs 2 .97 ft/s 0 .33 ft 0 .037 0 .72 Ibs/ft2 0 .65 lbs/ft2 1 .11 S TABLE -
Substrate

STORM SEWER CALCULATIONS
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STORM SEWER DESIGN Project No.: 21-036
Project: Lanes Creek VFD Designed by: JDM
Location: Monroe,NC Checked by: JDM
Date: 30-Apr-24
Pipe ho IN C, Qio Qio Qio Actual Upstream Downstream Upstream Structure
From To Inlet Total Inlet Travel Pipe Pipe Inlet Composite Side- Cumulative Total Slope Calculated Pipe CAP Actual Velocity Length Segment Invert Invert Pipe Rim Minimum Minimum
upstream downstream Area Area Tc Time Tc Intensity Intensity Runoff Stream Side-Stream Discharge Diameter Diameter (FULL) Velocity Full Time (From) (To) Material Elevation Depth Cover
(Ac) (Ac) (Min) (Min) (Min) (In/Hr) (In/Hr) Coefficient (cfs) (cfs) (cfs) (Ft/Ft) (In) (In) (CFS) (fps) (fps) (Ft) (Min) (Ft) (Ft) (Ft) (Ft) (FT)
YI6 YI5 0.09 0.09 5.00 0.00 5.00 7.74 7.74 0.51 0.00 0.36 0.0100 4.90 6 0.6 3.18 3.1 52.48 0.27 526.55 526.03 HDPE/PVC 528.10 1.55 1.01
YI5 YI4 0.11 0.20 5.00 0.27 5.27 7.74 7.74 0.51 0.00 0.79 0.0200 5.81 8 1.9 5.02 5.3 52.48 0.17 526.03 524.98 HDPE/PVC 528.10 2.07 1.35
YI4 CV 3 0.04 0.24 5.00 0.45 5.45 7.74 7.74 0.51 0.00 0.95 0.0040 8.41 10 1.5 2.88 2.7 130.00 0.75 524.98 524.46 HDPE/PVC 527.75 2.77 0.00
Notes: Design for the 10-year storm assumes the Time of CB -Catch Basin Intensity=a/(b+T)AN,For 10-Year Storm Runoff Coefficients For Rational Method
Concentration to an individual Inlet=5 minutes. DCB -Double Catch Basin Tc=Time of Concentration,"a,""b"and"N"from City of Charlotte Lawns 0.30
DDI -Double Drop Inlet Wooded 0.25
Actual Velocity is calculated based upon percentage DI -Drop Inlet Intensity-Duration-Frequency Chart Values from Streets 0.95
of Full-Flowing pipe and actual depth of flow from DIS -Drop Inlet,Slab top NC Erosion and Sediment Control Planning and Design Manual Gravel 0.55
Hydraulic elements. FES -Flared End Section N= 0.8256 Single Family(Lot<20,000 SF) 0.60
HW -Headwall a= 83 Single Family(Lot>20,000 SF) 0.50
Manning's"n"Facto 0.012 JB -Junction Box b= 15 Multi-Family,Attached 0.70
Runoff Coefficients MH -Manhole
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APPENDIX
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NOAA Atlas 14,Volume 2,Version 3
Location name:Monroe,North Carolina,USA* r'°-�'"*
� , Latitude:34.9797°,Longitude:-80.5233°
l
`i� Elevation:544 ft*" �
m•• source:ESRI Maps
source:USGS
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M.Bonnin,D.Martin,B.Lin,T.Paraybok,M.Yekta,and D.Riley
NOAA,National Weather Service,Silver Spring,Maryland
PF tabular I PF graphical I Maps & aerials
PF tabular
PDS-based point precipitation frequency estimates with 90%confidence intervals(in inches/hour)1
IAverage recurrence interval(years) I
Duration I 1 II 2 II 5 II 10 II 25 II 50 II 100 II 200 II 500 II 1000 i
5-min 5.12 6.06 7.03 7.74 8.54 9.10 9.61 10.1 10.6 11.0
(4.72-5.57) (5.57-6.60) (6.44-7.64) (7.08-8.40) (7.79-9.26) (8.26-9.86) (8.68-10.4) (9.05-10.9) (9.43-11.5) (9.68-11.9)
10-min 4.09 4.84 5.63 6.19 6.80 7.24 7.63 7.98 8.37 8.63
(3.77-4.45) (4.45-5.27) (5.16-6.13) (5.66-6.71) (6.20-7.38) (6.58-7.85) (6.89-8.27) (7.17-8.65) (7.46-9.10) (7.63-9.40)
15-min 3.41 4.06 4.74 5.22 5.75 6.12 6.43 6.71 7.02 7.22
(3.14-3.71) (3.73-4.42) (4.35-5.16) (4.78-5.66) (5.24-6.24) (5.55-6.63) (5.81-6.97) (6.03-7.28) (6.26-7.64) (6.38-7.87)
30-min 2.34 2.80 3.37 3.78 4.26 4.61 4.93 5.22 5.59 5.85
(2.15-2.54) (2.58-3.05) (3.09-3.67) (3.46-4.10) (3.88-4.62) (4.18-4.99) (4.45-5.34) (4.69-5.67) (4.98-6.08) (5.17-6.37)
60-min 1.46 1.76 2.16 2.46 2.84 3.12 3.39 3.66 4.01 4.27
(1.34-1.58) (1.62-1.92) (1.98-2.35) (2.25-2.67) (2.59-3.07) (2.83-3.38) (3.06-3.68) (3.29-3.97) (3.57-4.36) (3.77-4.65)
2-hr 0.840 1.02 1.26 1.45 1.68 1.87 2.05 2.23 2.46 2.65
(0.770-0.918) (0.931-1.11) (1.15-1.38) (1.32-1.58) (1.53-1.84) (1.69-2.03) (1.84-2.23) (1.99-2.43) (2.18-2.69) (2.32-2.89)
3-hr 0.594 0.718 0.896 1.03 1.22 1.37 1.51 1.67 1.88 2.04
(0.543-0.654)(0.657-0.790)(0.818-0.985) (0.941-1.13) (1.10-1.34) (1.23-1.49) (1.35-1.65) (1.48-1.82) (1.64-2.05) (1.77-2.23)
6-hr 0.357 0.431 0.538 0.622 0.737 0.828 0.922 1.02 1.15 1.26
(0.327-0.392)(0.395-0.473)(0.492-0.591)(0.567-0.682)(0.667-0.804)(0.745-0.902) (0.823-1.00) (0.901-1.11) (1.00-1.25) (1.08-1.37)
12-hr 0.210 0.253 0.318 0.370 0.441 0.499 0.559 0.622 0.710 0.782
(0.192-0.230)(0.232-0.279)(0.291-0.349)(0.337-0.405)(0.399-0.482)(0.448-0.544)(0.497-0.609)(0.547-0.677)(0.614-0.772)(0.667-0.851)
24-hr 0.125 0.151 0.190 0.221 0.264 0.299 0.335 0.373 0.427 0.470
(0.115-0.135)(0.140-0.164)(0.175-0.206)(0.203-0.239)(0.242-0.286)(0.273-0.324)(0.305-0.363)(0.338-0.405)(0.384-0.464)(0.421-0.512)
2-day 0.073 0.088 0.111 0.128 0.153 0.172 0.193 0.214 0.244 0.269
(0.068-0.079)(0.082-0.096)(0.102-0.120)(0.118-0.139)(0.140-0.165)(0.158-0.187)(0.176-0.209)(0.194-0.233)(0.220-0.267)(0.240-0.294)
3-day 0.052 0.062 0.077 0.090 0.106 0.120 0.134 0.149 0.169 0.186
(0.048-0.056)(0.058-0.067)(0.072-0.084)(0.083-0.097)(0.098-0.115)(0.110-0.130)(0.123-0.145)(0.135-0.161)(0.153-0.184)(0.168-0.203g
4-day 0.041 0.049 0.061 0.070 0.083 0.094 0.104 0.116 0.132 0.145
(0.038-0.044)(0.046-0.053)(0.056-0.066)(0.065-0.076)(0.077-0.090)(0.086-0.101)(0.096-0.113)(0.106-0.125)(0.120-0.143)(0.131-0.154.
7-day 0.027 0.032 0.039 0.045 0.053 0.059 0.066 0.073 0.082 0.090
(0.025-0.029)(0.030-0.034)(0.037-0.042)(0.042-0.048)(0.049-0.057)(0.055-0.063)(0.061-0.071)(0.067-0.078)(0.075-0.089)(0.082-0.094.
10-day 0.021 0.026 0.031 0.035 0.041 0.045 0.050 0.055 0.061 0.067
(0.020-0.023)(0.024-0.027)(0.029-0.033)(0.033-0.037)(0.038-0.044)(0.042-0.048)(0.046-0.053)(0.051-0.058)(0.056-0.066)(0.061-0.071)
20day 0.014 0.017 0.020 0.023 0.026 0.029 0.031 0.034 0.038 0.041
(0.013-0.015)(0.016-0.018)(0.019-0.021)(0.021-0.024)(0.024-0.028)(0.027-0.030)(0.029-0.033)(0.032-0.036)(0.035-0.040)(0.038-0.044.
30day 0.012 0.014 0.016 0.018 0.020 0.022 0.024 0.026 0.028 0.030
(0.011-0.012)(0.013-0.014)(0.015-0.017)(0.017-0.019)(0.019-0.021)(0.021-0.023)(0.022-0.025)(0.024-0.027)(0.026-0.030)(0.028-0.034.
45day 0.010 0.011 0.013 0.014 0.016 0.017 0.019 0.020 0.022 0.023
(0.009-0.010)(0.011-0.012)(0.012-0.014)(0.014-0.015)(0.015-0.017)(0.016-0.018)(0.018-0.020)(0.019-0.021)(0.020-0.023)(0.021-0.024)
60day 0.009 0.010 0.011 0.013 0.014 0.015 0.016 0.017 0.018 0.019
(0.008-0.009)(0.010-0.011)(0.011-0.012)(0.012-0.013)(0.013-0.015)(0.014-0.016)(0.015-0.017)(0.016-0.018)(0.017-0.019)(0.018-0.020.
1 Precipitation frequency(PF)estimates in this table are based on frequency analysis of partial duration series(PDS).
Numbers in parenthesis are PF estimates at lower and upper bounds of the 90%confidence interval.The probability that precipitation frequency estimates(for
a given duration and average recurrence interval)will be greater than the upper bound(or less than the lower bound)is 5%.Estimates at upper bounds are not
checked against probable maximum precipitation(PMP)estimates and may be higher than currently valid PMP values.
Please refer to NOAAAtlas 14 document for more information.
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PF graphical

PDS-based intensity-duration-frequency(IDF)curves
Latitude:34.9797°,Longitude:-80.5233°
101 Average recurrence
., interval
(years)
,Z' 10° - ' - - 2
— 5
4C \ — 10
—2s
• 10-1 \ — 100
a —200
d \�\.. — 500
a \�--,_ — 1000
10-2
r
C C C C a TT T T A T T>.
L A t L L re A N le R A it Ali'
E �E E �E E N nti uS N o -(3 v-o v v vlit -id v
'^ P:, '4 R $ Duration N A A 4 ^ 2 N R a$
101
L
Duration
,Z' 1• 0°
— 5-min —2-day
�d — 10-min —3-day
0 in
—4-day
2 l0-1 — 30-min — 7-day
a. — 60min — 10-day
— 2fir —20-day
—3fir —30-day
— 6-hr —45-day
10_2 — 12-hr — 80-day
— 24-hr
2 5 10 25 50 100 200 500 1000
Average recurrence interval(years)
NOAA Atlas 14,Volume 2,Version 3 Created(GMT):Wed Aug 1612:27:44 2023
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Maps&aerials
Small scale terrain
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I_ Department of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
National Water Center
1325 East West Highway
Silver Spring,MD 20910
Questions?:[e-mail]
Disclaimer

USDA United States A product of the National Custom Soil Resource
Department of Cooperative Soil Survey,
Agriculture a joint effort of the United Report for
\ RCS States Department of
Agriculture and other Union County
Federal agencies, State
Natural agencies including the
Resources Agricultural Experiment North Carolina
Conservation Stations, and local
Service participants
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October 20, 2023

Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas. Soil surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include soil quality assessments (http://www.nrcs.usda.gov/wps/
portal/nrcs/main/soils/health/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https://offices.sc.egov.usda.gov/locator/app?agency=nrcs)or your NRCS State Soil
Scientist(http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/?
cid=nrcs142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2

alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET Center at [phone] (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call [phone] (voice)or(202) 720-6382 (TDD). USDA is an equal opportunity
provider and employer.
3

Contents
Preface 2
How Soil Surveys Are Made 5
Soil Map 8
Soil Map 9
Legend 10
Map Unit Legend 11
Map Unit Descriptions 11
Union County, North Carolina 13
BdB2—Badin channery silty clay loam, 2 to 8 percent slopes,
moderately eroded 13
GsC—Goldston-Badin complex, 8 to 15 percent slopes 14
MhA—Misenheimer-Cid complex, 0 to 3 percent slopes 15
References 18
4

How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of soil and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil-vegetation-landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
5

Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil-landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil-landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field-observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and
6

Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.
7

Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.
8

Custom Soil Resource Report
Soil Map
N N
551800 551840 551880 551920 551960 552000 552040 552080
34°50'25"N - 34°50'25"N
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551800 551840 551880 551920 551960 552000 552040 552080
3 3
Map Scale:1:1,890 if printed on A portrait(8.5"x 11")sheet.
N Meters
0 25 50 150
Feet
0 50 100 200 300
Map projection:Web Mercator Comer coordinates:WGS84 Edge tics:UTM Zone 17N WGS84
9

Custom Soil Resource Report
MAP LEGEND MAP INFORMATION
Area of Interest(AOI) 14 Spoil Area The soil surveys that comprise your AOI were mapped at
Area of Interest(AOI) 1:24,000.
Q Stony Spot
Soilsit Very Stony Spot
Soil Map Unit Polygons Warning:Soil Map may not be valid at this scale.
Wet Spot
,..,. Soil Map Unit Lines Enlargement of maps beyond the scale of mapping can cause
p Other misunderstandingof the detail of mapping and accuracyof soil
p Soil Map Unit Points pp 9
.• Special Line Features line placement.The maps do not show the small areas of
Special Point Features contrasting soils that could have been shown at a more detailed
Blowout Water Features scale.
-_- Streams and Canals
kg Borrow Pit
Transportation Please rely on the bar scale on each map sheet for map
* clay Spot 1.44 Rails measurements.
0 Closed Depression
o,/ Interstate Highways
Gravel Pit Source of Map: Natural Resources Conservation Service
.r US Routes Web Soil Survey URL:
Gravelly Spot Major Roads Coordinate System: Web Mercator(EPSG:3857)
® Landfill Local Roads Maps from the Web Soil Survey are based on the Web Mercator
• Lava Flow Background projection,which preserves direction and shape but distorts
distance and area.A projection that preserves area,such as the
46 Marsh or swamp Aerial Photography Albers equal-area conic projection,should be used if more
It Mine or Quarry accurate calculations of distance or area are required.
4 Miscellaneous Water This product is generated from the USDA-NRCS certified data as
O Perennial Water of the version date(s)listed below.
v Rock Outcrop Soil Survey Area: Union County, North Carolina
+ Saline Spot Survey Area Data: Version 24,Sep 13,2023
Sandy Spot Soil map units are labeled(as space allows)for map scales
Severely Eroded Spot 1:50,000 or larger.
• Sinkhole Date(s)aerial images were photographed: Apr 17,2022—May
31 Slide or Slip 20,2022
oa Sodic Spot The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps.As a result,some minor
shifting of map unit boundaries may be evident.
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Custom Soil Resource Report
Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
BdB2 Badin channery silty clay loam, 12.4 79.6%
2 to 8 percent slopes,
moderately eroded
GsC Goldston-Badin complex,8 to 0.5 3.0%
15 percent slopes
MhA Misenheimer-Cid complex,0 to 2.7 17.4%
3 percent slopes
Totals for Area of Interest 15.6 100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Within a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
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Custom Soil Resource Report
landform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha-Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
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Custom Soil Resource Report
Union County, North Carolina
BdB2—Badin channery silty clay loam, 2 to 8 percent slopes,
moderately eroded
Map Unit Setting
National map unit symbol: 2mx85
Elevation: 200 to 650 feet
Mean annual precipitation: 37 to 60 inches
Mean annual air temperature: 59 to 66 degrees F
Frost-free period: 200 to 240 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Badin, moderately eroded, and similar soils: 85 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Badin, Moderately Eroded
Setting
Landform: I nterfl uves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from metavolcanics and/or argillite
Typical profile
Ap- 0 to 6 inches: silty clay loam
Bt- 6 to 20 inches: silty clay
BC-20 to 28 inches: channery silty clay loam
Cr-28 to 42 inches: weathered bedrock
R-42 to 80 inches: unweathered bedrock
Properties and qualities
Slope: 2 to 8 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock; 40 to 80 inches
to lithic bedrock
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat):Very low to high (0.00
to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low(about 4.8 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C
Ecological site: F136XY830NC -Acidic upland forest, depth restriction, dry-moist
Hydric soil rating: No
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Custom Soil Resource Report
GsC—Goldston-Badin complex, 8 to 15 percent slopes
Map Unit Setting
National map unit symbol: 3w12
Elevation: 200 to 650 feet
Mean annual precipitation: 37 to 60 inches
Mean annual air temperature: 59 to 66 degrees F
Frost-free period: 200 to 240 days
Farmland classification: Not prime farmland
Map Unit Composition
Goldston and similar soils: 55 percent
Badin and similar soils: 30 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Goldston
Setting
Landform: Hillslopes on ridges
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Convex
Parent material: Residuum weathered from metavolcanics and/or argillite
Typical profile
A -0 to 7 inches: very channery silt loam
Bw- 7 to 11 inches: very channery silt loam
Cr- 11 to 23 inches: weathered bedrock
R-23 to 80 inches: unweathered bedrock
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: 10 to 20 inches to paralithic bedrock; 20 to 40 inches
to lithic bedrock
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat):Very low to high (0.00
to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low(about 1.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4s
Hydrologic Soil Group: D
Ecological site: F136XY880GA-Acidic high hills and isolated ridges, depth
restriction, dry
Hydric soil rating: No
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Custom Soil Resource Report
Description of Badin
Setting
Landform: Hillslopes on ridges
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Linear
Across-slope shape: Convex
Parent material: Residuum weathered from metavolcanics and/or argillite
Typical profile
A -0 to 2 inches: channery silt loam
E-2 to 9 inches: channery silt loam
Bt1 -9 to 21 inches: channery silty clay loam
Bt2-21 to 36 inches: silty clay
Cr-36 to 45 inches: weathered bedrock
R-45 to 80 inches: unweathered bedrock
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock; 40 to 80 inches
to lithic bedrock
Drainage class:Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water(Ksat):Very low to high (0.00
to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.1 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Ecological site: F136XY830NC -Acidic upland forest, depth restriction, dry-moist
Hydric soil rating: No
MhA—Misenheimer-Cid complex, 0 to 3 percent slopes
Map Unit Setting
National map unit symbol: 3w17
Elevation: 200 to 650 feet
Mean annual precipitation: 37 to 60 inches
Mean annual air temperature: 59 to 66 degrees F
Frost-free period: 200 to 240 days
Farmland classification: Not prime farmland
Map Unit Composition
Misenheimer and similar soils: 60 percent
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Custom Soil Resource Report
Cid and similar soils: 25 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Misenheimer
Setting
Landform: Interfluves
Landform position (two-dimensional): Summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from metavolcanics and/or residuum
weathered from argillite
Typical profile
A -0 to 2 inches: channery silt loam
E-2 to 7 inches: channery silt loam
Bw- 7 to 14 inches: channery silt loam
Cr- 14 to 25 inches: weathered bedrock
R-25 to 80 inches: unweathered bedrock
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: 10 to 20 inches to paralithic bedrock; 20 to 40 inches
to lithic bedrock
Drainage class: Moderately well drained
Runoff class: Very high
Capacity of the most limiting layer to transmit water(Ksat):Very low to high (0.00
to 1.98 in/hr)
Depth to water table:About 12 to 18 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low(about 2.1 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3w
Hydrologic Soil Group: C/D
Ecological site: F136XY815NC -Acidic upland woodland, depth restriction,
seasonally wet and dry
Hydric soil rating: No
Description of Cid
Setting
Landform: Interfluves
Landform position (two-dimensional): Summit
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Residuum weathered from metavolcanics and/or residuum
weathered from argillite
Typical profile
Ap- 0 to 9 inches: channery silt loam
Bt- 9 to 22 inches: silty clay loam
BC-22 to 27 inches: channery silty clay
Cr-27 to 32 inches: weathered bedrock
R-32 to 80 inches: unweathered bedrock
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Custom Soil Resource Report
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: 20 to 40 inches to paralithic bedrock; 20 to 40 inches
to lithic bedrock
Drainage class: Moderately well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water(Ksat):Very low to moderately
high (0.00 to 0.20 in/hr)
Depth to water table:About 12 to 30 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low (about 4.0 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2w
Hydrologic Soil Group: D
Ecological site: F136XY815NC -Acidic upland woodland, depth restriction,
seasonally wet and dry
Hydric soil rating: No
17

References
American Association of State Highway and Transportation Officials (AASHTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep-water habitats of the United States. U.S. Fish and Wildlife
Service FWS/OBS-79/31.
Federal Register. July 13, 1994. Changes in hydric soils of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service.
U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/
nres/detail/national/soils/?cid=nres 142p2_054262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053577
Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of
Agriculture, Natural Resources Conservation Service. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053580
Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and
Delaware Department of Natural Resources and Environmental Control, Wetlands
Section.
United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of
Engineers wetlands delineation manual. Waterways Experiment Station Technical
Report Y-87-1.
United States Department of Agriculture, Natural Resources Conservation Service.
National forestry manual. http://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/
home/?cid=nres142p2_053374
United States Department of Agriculture, Natural Resources Conservation Service.
National range and pasture handbook. http://www.nres.usda.gov/wps/portal/nres/
detail/national/landuse/rangepasture/?cid=stelprdb1043084
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Custom Soil Resource Report
United States Department of Agriculture, Natural Resources Conservation Service.
National soil survey handbook, title 430-VI. http://www.nres.usda.gov/wps/portal/
nres/detail/soils/scientists/?cid=nres142p2_054242
United States Department of Agriculture, Natural Resources Conservation Service.
2006. Land resource regions and major land resource areas of the United States,
the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook
296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/?
cid=nres142p2_053624
United States Department of Agriculture, Soil Conservation Service. 1961. Land
capability classification. U.S. Department of Agriculture Handbook 210. http://
www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_052290.pdf
19