SW1230501_Soils/Geotechnical Report_20230612

BUNNELL.
LAMMIMS
E n w N rt E R INC,
Client: Davis Civil Solutions
Project: Verner Day Care Facility
Location: 2586 Riceville Road, Asheville, NC 28805
Specialty - Field Observation
Report#. 002
Report Date: 01/12/2023
Project #: 19164-01
Permit #-.
Time Spent: 3 hrs Travel Time: 0.75 14rs Standby Time: 2.25 Hrs
FIELD DATA
Weather; Sunny, partly cloudy, wane Field Activity Date: 01/09/2023
SUNEVIARY OF WORK PERFORMED
Hand auger down to find water table
Remarks:
The undersigned was onsite to perform a check of the seasonal high water table under the storm water detention system located at the
entrance to the facility. A hand auger boring was advanced in at the location shown on the attached figure. The ground water in the
boring was observed at a depth of 97' below the top of the system (2118S). based on this elevation the groundwater elevation was
observed to be 2108.8'. This was 27below the installed bottom of the system at 2111 .5',
The seasonal high water table (SHWT) is most likely lower than this as the area received .31 inches of rain in the previous 24 his
before samolina. Based on this information the SHWT is more than likely greater than Ybelow the bottorn of the current system.
Report Copied to:
Gary Davis
Representative / Inspecton Ryan Crowell
This item has been electronically signed by Sam
Interlicchia, on 01/12/2023 1213 PM.
Bunnell Lanimons Engineering Inc.
fl.�
0"'St"niopi(A of this document are not considered signed
and seated and the signature must be verified on any
electronic copies.
No , As min%nied. a 1('rrcscntzldvr° From ow conipurly ivrkedon site as sdie&ded and pell'ornlcd 111C 911ovetc5l
ilie specific log itioiLs nuIeJ rtnd do not replesQnt any otiier lucation fzeporls May not b,° reproduced except in full, \%ilfioui pei-inissioll,
130 Oval Road Suite 2001 Arden I North Carolina 128704
littps://ivAviv,])Iecorp,cotii/
Phone [phone] Page I of 2

IM I BUNNELL Specialty- Field Observation
W LAM M OWS
191 M ENGINFERINS
Report ft: 002
Client: Davis Civil Solutions Report Date: 01/12/2023
Project: Verner Day Care Facility Project 19164-01
Location- 2586 Riceville Road, Asheville, NC 28805 Permit
Time Spent: 3 hrs Travel Tirne: 0,75 Hrs Standby Time: 2,25 Hrs
Field Report Is]
130 Oval Road Suite 200 1 Arden I North Carolina 128704
littps:/Im,i-%v.blecorp.com/
Phone [phone] Page 2 of 2

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Hydrologic, Soil Group. --Buncombe County, North Carolina
Hydrologic Soil Group
Verner HSG wrap
Map unit symbol
Map unit name
Elating
Acres in AO I
Percent of AOI
Ct C �
Clifton -Urban land
B
-� � 1.0
_ 16.8%
complex, 8 to 15
percent slopes
CuD LL
Difton-Urban land
B ..
0.2
3.3%
complex, 15 to 30
percent slopes
ExD
Evard-Cowee-Urban
B
1.6
27.9%
land complex, 15 to
30 percent slopes
1
TaC
.
Tate loam, basin, 8 to 15
B
0.4
7.6%
percent slopes
Ud
Udorthents, loamy
C
2.6
44.5%
Totals for Area of Interest
5.8
` 104.0°/4
L S�1 Natural Resources Web Soil Survey 3/30/2023
Conservation Service National Cooperative Soil Survey Page 3 of 4

Hydrologic Soil Group —Buncombe COUnty, North Carolina
Description
Hydrologic soil groups are based on estimates of runoff potential. Soils are
assigned to one of four groups according to the rate of water infiltration when the
soils are not protected by vegetation, are thoroughly wet, and receive
precipitation from long -duration storms.
The soils in the United States are assigned to four grOUPS (A, B, C, and D) and
three dual classes (A/D, B/D, and C/D). The groups are defined as follows:
Group A. Soils having a high infiltration rate (low runoff potential) when
thoroughly wet. These consist mainly of deep, well drained to excessively
drained sands or gravelly sands. These soils have a high rate of water
transmission.
Group B. Soils having a moderate infiltration rate when thoroughly wet. These
consist chiefly of moderately deep or deep, moderately well drained or well
drained soils that have moderately fine texture to moderately coarse texture,
These soils have a moderate rate of water transmission.
Group C. Soils having a slow infiltration rate when thoroughly wet. These consist
chiefly of soils having a layer that impedes the downward movement of water or
soils of moderately fine texture or fine texture. These soils have a slow rate of
water transmission.
Group D. Soils having a very slow infiltration rate (high runoff potential) when
thoroughly wet. These consist chiefly of clays that have a high shrink -swell
potential, soils that have a high water table, soils that have a claypan or clay
layer at or near the surface, and soils that are shallow over nearly impervious
material. These soils have a very slow rate of water transmission.
If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is
for drained areas and the second is for undrained areas, Only the soils that in
their natural condition are in group D are assigned to dual classes.
Rating Options
Aggregation Method: Dominant Condition
Component Percent Cutoff: None Specified
Tie -break Rule.- Higher
Verner HSG map
us[),\ Natural ReSOUrces Web Soil Survey 313012023
Conservation Service National Cooperative Soil Survey Page 4 of 4