HomeMy WebLinkAbout1984-04-11 Subdivision Soil Test ReportMichael O'Donnel I, PE.
CONSULTING ENGINEER
April 11, 1984
Painter's Creek Development Criporation
c/o Ron Bastyr and Associates, Inc.
15500 Wayzata Blvd.
Wayzata, MN 55391
RE: Subsurface Exploration and Percolation Testinq at the Proposed
Painter's Creek Development Site in Orono, Minnesota
Gentlemen:
This report presents the results of supplementary test pits and percolation
tests conducted for the proposed Painter's Creek D-1velopment in Orono,
Minnesota. Since the reporting of the soil tests dated December 9, 1983,
the number of lots planned for -this site was reduced from twenty to ten.
Soil testing was requested by the site planner and the City of Orono in the
general area of lot 9, as well as additional testing in other areas.
The testing was conducted in a similar manner as that described in the soil
report dated December 9 The method of locating tests and test notation was
also the same as shown in the earlier report. Basically, two test pits and
four percolation tests were performed in a primary drain field area, and one
test pit and two percolation tests were performed in an alternate area.
19,14 701h Ak. nuc Noah 111.•ckcr. rZ:gIs
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Page two April 11, 1984
For your review, the field sheets are included with this report. A summary is
shown below:
.1 Oc-,�K5
LOT
DRAINFIELD
DEPTH T
F .
PERCOLATION RATE
IN. IN.
A
l2
11
#21
N3
M4
AVG.
A
45
42
7
11
12
16
12
8
A
42
--
--
--
--
9
A
48
42
30
9
11
11
15
B
48
10
8
9
10
A
44
50
10
14
9
9
11
B
60
15
11
13
The summary indicates the depth of mottling ranges from 3 1/2' to 5' in the
areas tested. Since the terrain is rolling, a curtain drain is advised to be
included in the drainfield design in order to intercept runoff water from
entering the drainfield area. This recommendation was discussed with the site
planner.
The summary also indicates a relatively fast percolation rate for the fine-grained
soils at this site. It should be noted that percolation rates do vary as
dependent on the season, precipitation, and general soil conditions.
Because soil conditions and permeability characteristics are variable across the
site, it is recommended that the stakes defining the drainfield areas be surveyed.
Page three April 11, 1984
If I can be of further assistance to you, please contact me.
Sincerely,
Michael O'Donnell
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PROPOSED DRAINFIELD AREAS
LOTS 7, 9, 10
PAINTER'S CREEK DEVELOPMENT
ORON0, MINNESOTA
I'CRCOLATION TEST DATA
1 KVjLt, I . %- 1'\f r`r I Z ICV LI✓
V!- I 'Ij I
'UU NU.
TEST HOLE LOCATION, /.] AL.Tt4N
AT
►POLE
DATEPRE►ARCO, 3/2-.43/2- / BQ DIA4IETERI_
INCHES
NO.
OE►TNI
INCHES
SOIL. rROFILE
DEPTH (INCHES) CLASSIFICATION (ASTM, 024541
i1
o - 15 CLI :.`I SI c.? 'T/LAtt
op-f-kwc
Ni-A�C
JS"— X0'1 Sl0-`! CLay
(�2owN
(A) *1 CL
tea„-`�(o.I SAN�y SILT
�Q.cwN �
GQA`I nrtorlL_4I1�
METHOD OF SCRATCHING SIDEWALL
DEPTH OF PEA-SIZED GRAVEL IN BOTTOM OI HOLE,
INCHTS
-3/ZS-
N
„�
INITIAL FILLING CAM
TIM91 -
I
WATER DEITN OF IN TIAL FILLING. ABOVE HOLE BOTTOMI � Z
INCHES
TIME INTERVAL WHIN ALL WATER FROM INITIAL FILLING SEEPED AWAY
MIN.
METHOD USED TO MAINTAIN AT LEAST IS INCHES OF MATER OCPTH IN HOLE FOR AT LEAST • HOURS,
1'
CONO'TIONS AFTER SOAwINO FERMI. Ir _ OF
STARL /N4
L.4,J A,T 1Q
PERCOLATION TEST READINGS BV1 C -q Aa- /
1QNN
4 7
,
S
DATE PERCOLATION TEST STARTEOI
TIME,
Ml-
-A.64-
MAIIIMUM WATER DEPTH ABOVE HOLE BOTTOM DURING TES*,
INCHES
TIME
TIME
INTERVAL
MEASUAEMENT
(INCHES)
DROP IN
WATER LEVEL
PERCOLATION
RATE IMINUTES
REMARKS
(MINUTES)
(INCHES)
PER INCH)
�0
31
%
27
S3/B14
4
G V -L
s -
Am = �S
.s
s
' Z
Sq
•, r
U =
PERCOLATION RATE
SIN/INCN
--
1'CRCOLATION TEST DATA
PROJECT: PAIu 4-#- .S. CQ.1-LK !.� tYtcoAn�tNT- JOI; NO.
10 /O , - tj F- Ak ""4
TEST NOL[ LOCATIONI
NOL[
NO. _
`10
Z�
DAT[ PREPARE01 DIA/M[TERI INCHES
D[►THI
INC►/[f
SAIL PROFILE
DEPTH (1NCNEll CLASSIFICATION IASTMI 084081
/Z" �LAyEY ALT TAActi oR.f.AN1'�
o-Jq
Rc.4
C!AY
AT etUr m . w
514:r &Qa6,N
6Ra�
n�c�-Te.♦� ,
rHoiST �M ��
MCTHOOOFSCRATCHING SIOCWALL
DEPTH Of PCA -SIZED GRAVEL IN S/OTTOM OF NOLO INCHES
3/2
A.
,,;�- TIME1
INITIAL FILLING DAM
Z
MATER DEPTH Of INITIAL FILLING. A[OVE HOLE [OTTOMi INCHES
TIME INTERVAL WHEN ALL MATER FROM INITIAL FILLING SEEPED AWAY MIM.
METHOD USEO TO MAINTAIN AT LEAST It INCHES OP WATER DEPTH IN NOL[ FOR AT L[AfT • HOURS.
CONDITIONS AFTER SOAKING PER100i
PERCOLATION TEST MCADINGS RVI 1' L O I ON A/
�f 3 S�
OAT[ PERCOLATION TEST STARTEOI TIME.
A.M. r -M
rI
MAXIMUM WATER OC►TN ASOVE NOLC •OTTOM OURING TESTI INCHES
TIME
TIME
INTCRVAL
MEASUREMENT
(INCHES)
DROP IN
WATER LEVEL
PERCOLATION
RATE (MINUTES
REMARKS
(MINUTES)
(INCHES)
FEA INCH)
.off
23/
(a
�2B
S%z
iD
; q o
60
/0
AVE.
- io
2;/
1.0 3
3S/
7
(o
q 3
_Y1_
o
Avti. = 9
I[RC OL ATION RATE
yIN/INC1�
PCRCOLATION TEST DATA
n Al NTtR IS CkAA-r-
PROJECT: 1 JOU NO.
/O A _ AQ~� PQrftI AR_Y HOLE
TEST HOLZLOCATIONI ._�^
DATEPREPAR[Oi 3/z4 lB4 DIAMETERi INCHES O[PTH/
NO.
/ Z INCHES
SOIL PROFILE
DEPTH (INCHES) CLASSIFICATION (ASTM% 074241
CLAYiY
1 c r Y c c.A ioAj
4.1 N
' Ar b4ArN o
C �
A
gL11 5Am&f Il,?' C32owNt GQAY isier)c.4A
I
M(THOOOF SCRATCHING SIDEWALL
�_
DEPTH OF &9"1290 GRAVEL IN BOTTOM OF HOLCI INCHES
INITIAL PILLING DATE% 3 2 S Tlw[I A, r"
Z
WATER DEPTH OF INITIAL PILLING, ABOVE HOLE SOTTOM% INCHES
TIMI INTERVAL WHEN ALL WATER FROM INITIAL FILLING SEEPED AWA` MIN,
METHOD USED TO MAINTAIN AT LEAST 17 INCHES OP WATER DEPTH IN NOL[ POR AT LEAST • HOURSi
CONDITIONS AFTER SOAKING P[RIOOi r 8 N 40 F ST,AN4 r AJ4 w4.r iQ_
rG.NA D'
PERCOLATION TEST READINGS BY.
• 3
7 • �"-
OAT[ PERCOLATION TEST STARTEDr TIM[%
A.M, .-
/ I
MAXIMUM WATER DEPTH ASOVE HOLE BOTTOM DURING TESTI INCHES
TIME
TIME
INTERVAL
MEASURE
(INCHESS))
DROP IN
WATER LEVEL
PERCOLATION
RAT[ (MINUTES
REMARKS
(MINUTES)
(INCHES)
PER INCH)
114
4 Vs
/3
:s
j74-
4°
03-
;�s
-4 Z.
1
R
r
AV r
PERCOLATION RAT[
"INANCH