HomeMy WebLinkAboutWALLACE BROTHERS MOUNTAIN Subsurface Investigation and Precolation Tests
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DOWL, E gineers ..
4040 ~B" Slreet Anchorage, Alaska 99503
Phone (907) 278-1551 ( Telecopier (907) 272-5742)
September 7, 1982
W.O. #A20730
Till Wallace
c/o Alaska Land Development Services
4546 Business Park Blvd.
Anchorage, Alaska 99503
Re:
Upper Chugiak Subdivision
Subsurface Investigation and Percolation Tests,
E 1/2, NW 1/4, W 1/2, NE 1/4, N 1/2, SW 1/4,
W 1/2, SE 1/4, Section 3-2, T15N, RiW, S.M.
Dear Mr. Wallace:
Transmitted herein please find the results of our soils
investigation and percolation test results. Numerous
information sources were used to compile an analysis of this
320 acre parcel. Previous soil investigations by
Construction Testlab (Appendix), resistivity survey, well
logs, geologic reconnaissance and 34 test pits were used to
develop a characterization of the subject property.
Percolation tests were performed in those pits in which the
ground-water and bedrock were sufficiently deep to permit
testing. Numerous lots did not receive a test pit, and it
should also be advised that soil conditions can change within
relatively small distances. The site characterization is
known to contain local variations which significantly modify
the general conclusions concerning site suitability for
waste-water disposal.
Please call again if we may provide additional assistance.
Manager
. AI~ Land
tI Lewis E. Dickinson
Sincerely,
ALASKA TESTLAB
~?~%%~r k .Ho 1 um
'~?~;-~'~J~l~l~?hn i ca 1 Engi neer
Ap pr o v e d: · . j~g~,~,~",~,~.lj~
. ~ ~.~. :.6. ~-;. ,:; "~
Development !~- ~o~E~$~ ,-.~
Maurice P. Oswald
Kenneth B. Walch
Melvin R. Nichols
SUBSURFACE INVESTIGATION
UPPER CHUGIAK SUBDIVISION
Prepared for:
TILL WALLACE
Prepared by:
ALASKA TESTLAB
September, 1982
W.O. #A20730
TABLE OF CONTENTS
Subsurface Conditions
Geology
Percolation Test Results
Conclusions
Bibliography
Subsurface Investigation
Test Pits Logs
Grain Size Distributions
Standard Explanatory Information
PAGE
1-2
2-3
4-23
24
25
25
Figures 1-36
Sheets 1-7
Sheets 8-10
SUBSURFACE INVESTIGATION
UPPER CHUGIAK SUBDIVISION
A subsurface investigation was performed on a 320 acre parcel
located northeast of Eagle River. The elevation of the parcel
varies from 1600 to 2500 feet and exhibits moderate to substantial
relief.
The primary intent of the investigation was to assess suitability
for on-site waste water disposal. The geology and soil conditions
were investigated using several sources of information. A USGS
open file report 74-57 titled "Geology and Ground-water for
Land-Use Planning in the Eagle River-Chugiak Area" was a primary
geologic reference. A series of 29 test pits excavated in 1973 by
Construction Testlab were used to augment the 34 test pits
excavated in 1982 as part of this report. Additional soil, water
and bedrock information was obtained from well logs and a limited
soil resistivity survey.
Percolation test results generally indicate that a majority of the
parcel has sufficiently deep soil and ground-water levels to allow
consideration for on-site waste water disposal. However, many
areas have either limited areas or unsuitable so__~il conditions.
The variability displayed 6y soil~-within individual lows as well
as site variations indicate that exact percolation rates should be
determined for specific locations, but this study has determined
that the majority of tests indicate moderate percolation rates as
well as ground-water at variable depths.
Subsurface Conditions
The test pits and existing road cuts provide information about
soil conditions to depths of approximately 16 feet. Generally,
the soils on the site may be characterized as being composed of
one of four major soil groups, moraines, kames or eskers,
colluvium, and bedrock.
B~Bedrock outcrop.s are infr. equently present, with the most exposure
§t ridge--crests. T~e'high~st elev~ have been classi'f-i~s
having predominat 1 shallow ~edrock., but the o~verburd~en was
u~lly deeper than 16 feet.
The soils are generally coarse-grained with little to moderate
amounts of fine-grained material. The soils are classified as
coarse-grained sand and gravel varying from well graded to poorly
graded with sorting dependent on the amount of water action during
deposition. The soil layers are generally only a few inches to a
1
few feet thick, but the variation in soil structure is gradual.
The poorly graded soil deposits consist of slope debris and
glacial till although reworking by water may have produced some
amount of sorting. The soil layering will influence the design of
on-site sewage systems and~ should be taken to ac_q_o,,mt for the.__
highly layered soil st__Ll~ct,,~e by not p~cing too much emphasis on
~h.__qe test results of ~ single soil lay~er.
The site lies in the Chugach Mountains, and is composed of smooth
to rolling upland formations at the lower elevations rising to
steep mountain ridges.
The rolling upland formation comprises the area approximately
contained in Blocks I through 8. Older morain deposits occupy
Blocks I through 4 and have soils composed generally of diamicton,
but includes frequent deposits of layered sands and gravels of
fluvial origin.
The predominant landform of Blocks 6 and 7 may be characterized as
a kame or esker composed of glacial alluvium. The area has
relatively little topographic relief and has a high ground-water
level.
Blocks 5, and 9 through 19 generally have a surficial soil
composed of a well graded colluvium. Occasional areas may exhibit
reworking due to water deposition, but most areas are composed of
a heterogeneous material which is usually a coarse grained gravel.
Soil layering is infrequent in this type of deposit. Shallow
bedrock occurs sporadically within this unit, but generally the
soil deposit was observed to be deeper than the limit of
exploration (16 feet).
Shallow ground-water appeared to be prevelent in the landforms~
of Blocks 6 ad 7.~
known as kames and eskers and forming much ~ th~ hi~
Although the unit is generally highly permeable,
ground-water level is consistent throughout the deposit. Poor
drainage due to lack of topographic relief and infiltration
associated with the on-site artesian well may produce the high
ground-water level.
Thirty-four test pits were excavated and 4__ were of sufficiently
permeable gravel, GP or GP-GM, to permit visual i~terpretation of
soil characteristics. The percolation tests were performed by
excavating a trench to the depth of the percolation layer (6-10
feet). A 1'Xl'Xl' pit was excavated in the bottom of the trench
and saturated for 24 hours. The percolation test was performed by
refilling the test hole to a depth of 6 inches. The drop in water
level was recorded at 10 minute or 30 minute intervals for a
2
period of one to four hours, depending on the percolation rate.
Wa'ter was added to maintain water levels. The drop in water level
during the last period was used to calculate the absorption rate.
Twenty-four percolation tests were run with the following
results:
Percolation Tests
Test
Block Lot Pit
I 3 18
~ i 13
2 i 22A
2 4 12
6 14
8 15
8 15A
3 16
10
6 8
7 2 7
3 6
9 i 5
3 4
5 3
6 2
10 2 25
4 28
6 26
6 27
12 3 34
3 34A
_ Lo
16 1 23
1 24
3 22
3 30
17 2 19
18 2 33
19 i 32
2 21
Depth to Depth of
Depth to Ground- Perc
Bedrock Water Test
(Feet) (Feet) (Feet)
13.5
5.0
9.5
8.5
14.5
6.0
6-7
7-8
9.5 6.5-7.5
8
16.5 7.5-8.5
8.5
3.2
5.5-
15.0
14.1
14.0
10.0
15.5
6-7
4
Pete
Soil Rate
_~_ ~min/ineh)
GP-GM 27
GP-GM 80
GP -GM
GP 7.3
GP
GP-GM 80~
GM 13.3
7-8 GM 80
7-8 GP-GIVI 20
7-8 GP-GM 15
7-8 GP 11.4
8 -9 GP-GM 2.9
6-7 GP-GM 27
7 - 8 GP-GM 16
GP
GP
6.5-7.5 GP 9.4
~ GP -GM 10___. 7
8-9 ~ 8
7-8 GP-GM 32
6.5-7.5 GP-GM 9.4
~.~-7.5 ~'-GM ~8.0
ap-GM
7-8 GP-GM ' 18
8-9 GP-GM 80~
8-9 GP-GM 13
6.5-7.5 GP-GM 20
Percolation Tests
Block
Block 1 contains lots 1-11 and occupies a site composed of older
morainal material, chiefly silty sandy gravel with inclusions of
silt and sand. The soils are generally medium to very dense and
often exhibit layering characteristics of water deposition.
Eight test pits were excavated in 1973 and one more test pit and
percolation test were performed on this block in 1982. The test
pits indicate the soil is generally deeper than 16 feet and in
only one test pit, 20 (1973), was bedrock encountered. The
bedrock depth was 9 feet. The percolation rate observed in Test
Pit 18 was 27 minutes per inch.
5
Block 2
Block 2 contains 10 lots and has soils generally
older morainal deposits which are generally coarse
inclusions of fine grained soil.
consisting of
grained with
Six tests pits were excavated in 1982 of which three (13, 22A, 12)
encountered bedrock between depths of 5 and 13.5 feet. Three pits
also encountered water between depths of 8 and 16.5 feet.
However, the variation in rock depth and water depth was very
great within the same lot (e.g. Test Pits i and 8) and generally
some areas of soil exist which are suitable for on-site sewage
disposal. Percolation rates also varied widely, ranging from 2.8
to 80 minutes per inch. Generally, the slower rates occurred when
the siltier soil layers were tested.
6
Block 3
Block 3 contains 8 lots and is situated on older morainal deposits
of generally coarse grained soil.
Two test pits were located in this block in 1973 and three more
pits were excavated in 1982. Rock outcrops occur frequently in
the area and bedrock was encountered in three test pits at depths
between 6.5 and 14.5 feet. The soils are generally coarse grained
and were visually classified as GP or GP-GM. No percolation tests
were run due to the high permeability of the coarse grained GP
deposits.
7
Block 4
Block 4 contains 6 lots and occupies a site with
of older morainal material with some deposits
slope deposits.
Two test pits (8 and 9) indicate the soils and
deep. Percolation test results indicate moderate
(13.3 to 80 minutes/inch).
soils consisting
of colluvium or
ground-water are
or slow rates
Block 5
Block 5 contains 3 lots. No test pits were placed on this block,
but the geology of the area indicates that much of the area
contains colluvial deposits which generally offer suitable soils
for on-site waste water disposal. High ground-water may exist on
lot 3 of this block since a known wet landform occupies a portion
of lot 3.
9
Block 6
Block 6 contains 6 lots and is geologically sited on a kame or
esker which has a generally high water table. Three test pits
excavated in 1973 (5, 6, 8 (1973)) encountered ground-water and
.indicated that the dry portions of the block had coarse grained
soil GW-GM).
10
Block 7
Block 7 contains 7 lots and is sited on a kame or esker. Five
test pits (2 in 1982 and. 3 in 1973) encountered ground-water
between depths of 2 and 9 feet. The site is relatively level and
.although the soils are coarse grained, drainage may be inhibited
by lack of gradient. Water also flows toward the area from an
artesian well located on the upper portion of Block 7.
tl
Block 8
Block 8 contains i lot and is located adjacent to a wet landform.
However, the single test pit excavated on this site (1 (1973))
indicated ground-water at a depth of 11 feet. The majority of the
site is located on colluvium which generally provides moderate
percolation rates.
12
Block 9
Block 9 contains 8 lots and is sited on colluviam. Three test
pits 4, 5 (1982) and lA (1973) encountered ground-water at depths
of 5.5 to 15 feet. Soils were generally coarse grained consisting
of GM and GP soil. Percolation rates varied from 15 to 80 minutes
per inch.
Portions of this block rise to high elevations and the slope of
some portions of the site exceeds 30%.
13
Block 19
Block 10 c~ntains 7 lots and is generally situated on colluvium
consisting of coarse grained deposits. Neither water nor bedrock
were encountered at shallow depths but water did occur at depths
.of 12 to 14 feet in most test pits. Bedrock was found at a depth
of 16 feet in Test Pit 25. Percolation rates were high to
moderate (2.9 to 27 minutes per inch) in four test pits.
14
Block 11
Block 11 contains I lot. One pit on this lot (13 (1973))
encountered ground-water at a depth of 9 feet. However, the site
has a similar geologic setting as Block 10, and similar soil
conditions may be expected.
15
Block 12
Block 12 has 3 lots. Ground-water was encountered at depths of 10
and 11 feet in Test Pits 34 and 9 (1973) respectively. Test Pit 7
(1973) did not encounter water. The soils consist of a sandy
gravel (GP) with no fines. No percolation test was performed due
to the highly permeable GP soil.
16
Block 13
Block 13 contains 3 lots which vary in size from 3 to 7 acres.
The area generally has a mantel of colluvium although bedrock may
occur at relatively shallow depths. Test Pit 15 (1973)
encountered rock at a depth of $ feet. Test Pit 29 encountered at
'least 16 feet of sandy gravel (GP) which had a percolation rate of
9.4 minutes per inch.
17
Block 14
Block 14 has 3 lots ranging in size from 11 to 16 acres. The site
is in an area which geologically indicates moderate depths to
bedrock, but three test pits encountered only colluvium consisting
.of coarse grained material. On~ instance of rock was exposed in a
-road cut. Percolation rates were measured in two tests and
r~sulted in rates of 8 and 10.7 minutes per inch.
18
Block 15
Block 15 contains a single lot and is in an area which is
geologically similar to Block 14. No percolation test pits were
excavated on this block.
19
Block 16
Block 16 contains 3 lots. The area is geologically characterized
as having surficial deposits of colluvium. All five test pits
encountered no bedrock~ but ground-water was encountered at a
depth of 15.5 feet in Test Pit 22. Percolation rates ranged from
9.4 to 32 minutes per inch.
2O
Block 17
Block 17 contains 2 lots.
Test Pit 19 and had a rate
A percolation test was
of 18 minutes per inch.
performed in
21
Block 18
Block 18 has 2 lots. Test Pit 33 was located adjacent to the
block. The percolation rate was observed to be 80 minutes per
inch. However, the geologic setting is similar to Block 16 and 17
and has variable soils ranging from silt to gravel. Slow
percolation rates may be expected in soil layers which contain
large amounts of silt.
22
Block 19
Block 19 contains 2 lots. Three test pits were placed on or
adjacent to the block and, indicate soils at least 16 feet deep.
One test pit encountered ground-water at a depth of 13 feet.
Percolation rates ranged from 13 to 20 minutes per inch.
23
Conclusions
The test pits and geologic reconnaissance indicate soils on thc
site are variable but are. often suitable for on-site waste water
disposal. Bedrock was infrequently encountered, and the lots
which had rock outcrops or test pi.ts which encountered rock often
had other areas where test pits encountered no bedrock to depths
of 16 feet.
Ground-water was relatively shallow in Block 6 and 7 and generally
appeared to be confined to the area with a iow to moderate slope.
The area is associated with a kame or esker formation. This
formation is comprised of permeable material and drainage
improvement may reduce the ground-water level. Other areas of the
parcel occasionally had high ground-water~ but these areas were
generally of limited extent.
The north facing slopes at high elevations may have ground
temperatures somewhat below those of lower areas. However, no
definite indication of permafrost was encountered although
anomalously low ground temperatures were observed in Test Pit 32.
24
SUBSURFACE INVESTIGATION
Thirty four test pits were excavated with a John Deere 69§-B
backhoe during August 8 through 19, 1982. Pits were excavated to
16 feet, bedrock, or ground-water. Additional pits were excavated
to depths of 5 to 10 feet to permit percolation tests which were
run according to the procedure outlined in the Manual of Septic
Tank Practice.
A Geonics EM-31 soil resistivity meter was used to profile several
road areas, but the results generally confirmed only deep soil or
shallow ground-water. No variation was judged significant to
contradict geologic or test pit data.
The test pits were located by survey in most cases. However,
surveyed locations may be inaccurate due to malfunctioning survey
equipment. In particular, Test Pits ,6, 12, 13, 15-17, and 28 are
known to be imprecisely located. Construction Testlab test pits
of 1973 were located by survey by Bob Johnson, and the 1982 test
pits were surveyed by Alaska Land Development. Topographic maps
were used to locate many test pits and the locations may be
inaccurate. Approximate test pit locations are shown on the
accompanying topographic maps and pl-at.
The soil investigation was confined to determining soil
characteristics for on-site sewage disposal. Geotechnieal hazards
such as mass wasting, wind velocities, and slope stability were
not addressed in this report.
BIBLIOGRAPHY
C. Zenone, et al;
"Geology and Groundwater for Land-Use Planning in the Eagle River
- Chugiak Area, Alaska", USGS open file report 74-457, U.S.
Department of the Interior, Geological Survey (1974).
25
0.0 - 1.0
1.0 - 2.8
2.8 - 16.0
W.O. #A20730
Date: 8/11/82
Logged By: TB
Soil Description
Brown Peat (Pt)
F4, Brown Sandy Silt
damp, stiff
Fl, Gray to Brown Sandy
layers of silty sandy
cobbles, damp, dense
(ML), non-plastic,
Gravel (C~/I), with
gravel, occasional
Bottom of Test Pit: 16.0 Ft.
Free Water Level: None observed.
Sample
Number ~ °/dVI
i 2.5' 45.5
2 5.0' 10.0
3 10.5' 10.0
Test Pit (~//'/
From To
0.0 1.5
1.5 2.0
2.0 3.0
3.0 - 16.0
Bottom of Test Pit:
Free Water Level:
Type of
G
G
G
Unified
ML
GP-C~I
GM
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Description
Brown Peat (Pt) and organic
F2, Brown Sand (SP)
F4, Brown Silt (ML)
Silt (OL)
Fl, Brown Silty Sandy Gravel (GP-GM), with
occasional boulders and layers of sandy
silt, subrounded gravel, damp, very dense
Percolation Rate = 15 minutes/inch
16.0 Ft.
None observed.
Sample Type of
~ ~ ~ Sam~_ Unified
i 5.0' G GP-GM
2 10.0' 5.5 G GP-GM
3 15.0' 14.2 G GP-GM
Test Pit
~pth in Feet
From To
0.0 3.9
3.9 16.0
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Descri.~ion
F4, Brown organic Silt (OL), with thin
volcanic ash layer at 1.0'
Fl, Brown Silty Sandy Gravel (GP), with
occasional boulders to 1'+ diameter, and
occasional thin layers of gravelly sandy
silt and gravelly silty sand, damp, dense
Percolation Rate = 20 minutes/inch
Bottom of Test Pit: 16.0 Ft.
Free Water Level: None observed.
Sample
Numb e r _De~) t_h °/clVl
1 5.0' 8.8
2 10.0' 8.0
3 15.0' 7.6
Test Pit #4 /-/~
~pth in Feet
From To
0.0 - 16.0
Type of
~_ Unified
G GP-GM
G GP-GM
G SM
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Description
Fl, Brown Silty Sandy Gravel (GP-GM), With
occasionall boulders to 1'+, and layers of
silty gravelly sand, damp to Wet, dense
Percolation Rate = 80 minutes/inch
Bottom of Test Pit: 16.0 Ft.
Free Water Level: 15.0 Ft.
Remarks:
Water level measured 1 day
excavation, may be surface runoff.
Sample Type of
Number ~ ~ Sam~-
i 5.0' 6.6 G
2 10.0' 7.3 G
3 15.0' 9.2 G
after
Unified
GP-(~Vi
SM
SP-SM
Test Pit #5 c/~
From To
0.0 - 2.?
2.7 - 8.3
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Description
F4, Brown Organic Sandy Silt
layer of volcanic ash at 1.0'
Fl, Brown Sity Sandy Gravel
occasional cobbles, damp
dense
(OL), with a
(GP-GM), with
to saturated,
Bottom of Test Pit:
Free Water Level:
Remarks:
Test Pit #6
From To
0.0 - 0.8
0.8 - 3.9
8.3 Ft.
5.0 Ft.
Water seeping into
pit
at 5.0'
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Description
Brown Peat (Pt)
Fl, Brown Sandy Gravel (GP-GM), subrounded
gravel with occasional cobbles, damp to
saturated
Bottom of Test Pit: 3.9 Ft.
Free Water Level: 3.1 Ft.
Test
Pit //7 /~
~pth in Feet
From To
0.0 - 6.7
6.7 - 8.5
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number
Test Pit #8
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil DescriE~~ .............
Brown Peat
Fl, Gray Sandy
medium dense
Gravel (GP), saturated,
~pth in Feet
From To
0.0 - 0.5
0.5 - 4.0
4.0 - 16.0
8.5 Ft.
6.7 Ft.
Water seeping from base of
Type of
9.3 G
peat.
Unified
GP
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Descri~ ............
Brown Peat (Pt)
F2, Brown Silty Gravelly Sand (SM), with
1/2" layer of volcanic ash at 3.5'
Fl, Brown Sandy Gravel (GP-GM), with trace
of silt and layers of silty sand, occasional
cobbles, damp, dense
Percolation Rate = 13.3 minutes/inch
Bottom of Test Pit: 16.0 Ft.
Free Water Level: None observed.
Sample Type of
Number ~ °/aM ~_
i 6.0' 12.6 G
2 11.0' 11.6 G
3 16.0' 8.0 G
Unified
GP-GM
GM
SM
From To
0.0 - 0.7
0.7 - 16.0
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil
F4, Brown Organic Silty Sand,
Fi, Brown Silty Sandy Gravel
occasional cobbles
Percolation Rate
Descri~!~ .............
soft
(GW-(~I), with
=~0 minutes/inch
Bottom of Test Pit: 16.0 Ft.
Free Water Level: None observed.
Remarks: No soil layering
deposit.
Sample
Number ~ °/GVI
I 5.0' 6.1
2 13.0' 7.2
Test Pit #10
~pth in Feet
From To
0.0 - 1.5
1.5 6.0
6.0 6.5
observed, may be slide
Type of
Sam~- Unified
G GW-GM
G GM
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Deseri~!£~ ............
F4, Brown Organic Silt (OL), soft
Fi, Brown Silty Sandy Gravel (GP-GM), with
occasional boulders to 1', subrounded
gravel, damp, dense
Fractured bedrock
Bottom of Test Pit:
Free Water Level:
Remarks:
6.5 Ft.
None observed.
Refusal on bedrock
at 6.5 Ft.
Test Pit #11
From To
0.0 - 2.0
2.0 - 8.0
8.0
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Description
F4, Brown Organic Gravelly Sandy Silt
damp, stiff
(OL),
NFS, Gray Sandy Gravel (GP), with occasional
cobbles and and with a layer of FI, Brown
Silty Sandy Gravel above 3.0', damp, dense
Fractured Bedrock
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number
1
Test Pit
5.0'
#12 /~
From To
0.0 - 1.5
1.5 - 9.0
9.0 - 10.0
8.0 Ft.
None observed.
Refusal on bedrock at
8.0'
Type of
3.9 G
Unified
Soil Description
GP
W.O. #A20730
Date: 8/12/82
Logged By: TB
F4, Brown Organic Silt (OL), soft
FI, Brown Silty Sandy Gravel (GP-GM),
occasional cobbles, damp to wet, dense
Weathered Bedrock, with coarse sand
Percolation Rate = 2.8 minutes/inch
with
Bottom of Test Pit:
Free Water Level:
Remarks:
10.0 Ft.
9.5 Ft.
Water level
excavation.
Sample
Number ~ ~
1 5.5'
2 10.0' 5.3
observed 24 hours after
Type of
~_ Unified
G GP-GM
G Bedrock
Test
W.O. #A20730
Date: 8/13/82
Logged By: TB
From To
Soil Description
0.0 - 13.5
FI, Brown Silty Sandy Gravel (GM), with
occasional cobbles, damp, very dense
13.5 16.0
Bottom of Test
.Weathered Bedrock]f/~
Percolation Rate .~inutes/inch
Pit: 16.0 Ft.
Free Water Level: None observed.
Sample Type of
Number ~p~ °/dVI ~p~_ Unified
i 5.0' 10.7 G GM
2 10.0' 9.8 G GM
3 16.0' G Bedrock
Test Pit #14 /~
W.O. #A20730
Date: 8/14/82
Logged By: TB
~p~_in Feet
From To
Soil DeseriE~ion
0.0 - 1.0
F2, Brown Organic Silty Sand (SM)
1.0 - 2.7
F2, Brown Sand (SM), damp, dense
2.7 16.0
Fl, Brown Silty Sandy Gravel (GP-GM), with
Jayers of GW, occasional cobbles, moist,
Bottom of Test Pit:
Free Water Level:
Sample
Number ~
1 5.0'
2 10.0'
3 16.0'
16.0 Ft.'-----
None observed.
Type of
~ Sample_ Un i f i ed
8.0 G GM
6.8 G GM
5.2 G SP-SM
Test Pit #15
~pth in Feet
From To
0.0 1.5
1.5 6.3
6.3 8.5
W.O. #A20730/
Date: 8/14/82
Logge~d Byi~ TB
............ ~kk_P~a~n! fon
F4, Brown Organic Sandy Silt
F2, Brown Silty Sand (SM)
Fl, Brown Sandy Gravel (GP),
silty sandy gravel
(OL), soft
with layers of
Bottom of Test Pit:
Free Water Level:
Remarks:
From To
18.5 Ft.
7.0 Ft.
Ground-water level measured 12
after excavating
hours
W.O. #A20730
Date: 8/14/82
Logged By: TB
Soil Description
0.0 0.8 F4, Brown Organic Silty Sand (SM)
0.8 4.2 F2, Brown Silty Sand (SM), damp to wet,
loose to dense
4.2 17.0 NFS, Brown Sandy Gravel (GP), wet, dense
Bottom of Test Pit:
Free Water Level:
Sample
Number ~
1 5.0'
2 10.0'
3 17.0'
Percolation Rate
17.0 Ft.
16.5 Ft.
6.8
10.5
8.6
= 7.3 minutes/inch
Type of
G
G
G
Unified
GP-(IM
SP-SM
GP
Test Pit #16/
~epth in Feet
From To
0.0 - 14.5
W.O. #A20730
Date: 8/12/82
Logged By: TB
Soil Descri.~!~ .............
Fl, Brown Silty Sandy Gravel (GP), and
layers of Gravelly Sand, occasional cobbles,
subrounded gravel becoming more angular with
depth
Percolation Rate = 15 minutes/inch
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number -D~Pt~
1 7.0'
2 11.0'
Test Pit #17/
_Depth in Feet
From To
0.0 - 1.0
1.0 - 2.0
2.0 - 17.0
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Numb e r -Depth
i 5.0'
2 10.0'
3 17.0'
14.5 Ft. ~-
None observed.---
Backhoe refusal
O~M
5.6
4.6
encountered at 14.5'
Type of
G SW-SM
G SM
W.O. #A20730
Date: 8/14/82
Logged By: TB
F4,
F2,
Fl,
occasional
Soil Descrip!ion
Brown Organic Silt (OL)
Brown Organic Sand (SM)
Brown Sandy Gravel
cobbles,
(GP-GM), with
subrounded gravel
17.0 Ft.~-
None observed.~
Soil exhibits little or
Type of
G
G
no stratification
Unified
GP-GM
GP-GM
GP-GM
From To
0.0 - 1.0
1.0 - 2.5
W.O. #A20730
Date: 8/14/82
Logged By: TB
Soil Descri.~ion
Brown Peat (Pt)
F2, Brown Silty Sand (SM), damp,
dense
2.5
- 12.5
12.5 16.5
Fl, Brown Silty Sandy Gravel, with
occasional cobbles, layer exhibits little or
not stratification
NFS, Brown Sandy Gravel~ wet, dense
Percolation Rate = 27 minutes/inch
Bottom of Test Pit: 16.5 Ft.
Free Water Level: None observed.
Sample Type of
~ ~ 9aYi ~_ Unified
1 5.0' 6.3 G SM
2 10.0' 7.6 G GM
3 16 . 5 ' 3.2 G SP-SM
Test Pit #19
From To
0.0 0.5
W.O. #A20730
Date: 8/14/82
Logged By: TB
Soil Description
F4, Brown Organic Silty Sand (SM)
0.5 10.0
10.0 - 16.5
Fl, Brown Silty Sandy Gravel (GP-GM),
very dense
NFS, Brown Sandy Gravel, (GP), damp,
dense
Percolation Rate = 18 minutes/inch
Bottom of Test Pit: 16.5 Ft.
Free Water Level: None observed.
Sample Type of
Number ~ 9/tVI Sa~_
i 5.0' 7.9 G
2 10.0' 8.2 G
3 16.5' 5.8 G
damp~
very
Unified
Test Pit #20
Prom To
0.0 - 1.0
1.0 - 4.0
4.0 14.0
14.0 16.0
W.O. #A20730
Date: 8/14/82
Logged By: TB
............ ~_PgEEt~E~ion
F4, Brown Organi~ Silt (OL)
Fi, Brown Sandy Gravel, damp, dense
Fi, Brown Silty Sandy Gravel (GM),
occasional cobbles, damp to wet, dense
Fl, Gray Silty Sandy Gravel (GP-GM),
dense
with
wet,
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number ~
1 5.0'
2 10.0'
3 15.0'
Test Pit #21/
From To
0.0 - 0.5
0.5 - 16.5
16.0 Ft.
None observed.
Soil is below average
ice observed.
Type of
9/tVI ~A~ple
8.3 G
G
7.7 G
temperature, but no
Unified
GP-GM
GM
GP-GM
W.O. #A20730
Date: 8/14/82
Logged By: TB
Soil
Brown Peat (Pt)
Fi, Brown Silty Sandy Gravel (GP-GM),
occasional cobbles, damp, dense
Percolation Rate = 20 minutes/inch
with
Bottom of Test Pit:
Free Water Level:
Sample
Number ~
i 5.0'
2 10.0'
3 16.5'
16.5 Ft.
None observed.
8.5
7.2
8.0
Type of
~A~_ Unified
G GP-GM
G GP-GM
G GM
Test Pit #22
From To
0.0 1.0
1.0 17.0
Bottom of Test Pit:
Free Water Level:
Remarks:
W.O. #A20730
Date: 8/16/82
Logged By: TB
Soil DescriE~!~~ .............
F4, Brown Organic Silty Sand (SM)
Fl, Brown Silty Sandy Gravel (GP-GM),
occasional cobbles and layers of
gravelly sand
Percolation Rate = 18 minutes/inch
17.0 Ft.
15.5 Ft.
Water level measured 24 hours after
excavation. Soil e~hibits little or no
soil stratification.
Sample , Type of
Number ~E~ °/aM Sam~_ Unified
i 5.0' 5.9 G GP-GM
2 10.0' 7.1 G SM
3 17.0' 8.4 G SP-SM
Test Pit #23
W.O. #A20730
Date: 8/16/82
Logged By: TB
~pth in Feet
From To
0.0 - 0.5
0.5 - 2.5
2.5 - 17.0
with
silty
Bottom of Test Pit:
Free Water Level:
Sample
Number ~
1 5.0'
2 10.0'
3 17.0'
Soil Description
Brown Peat (Pt)
F2, Brown Organic Silty Sand (SM)
Fl, Brown Silty Sandy Gravel ((~VI),
layers of sandy grvel (GP-GM), damp to
dense
Percolation Rate = 32 minutes/inch
17.0 Ft.
None observed.
with
wet,
Type of
_S a_mp 1 e Un i f i ed
G GP-GM
G GP-(~I
G GP-GM
Test Pit #24 /
~pth in Feet
From To
0.0 1.0
1.0 16.5
W.O. #A20730
Date: 8/16/82
Logged By: TB
Soil Description
Brown Peat (Pt)
Fl, Brown Silty Sandy Gravel (GP-GM),
occasional cobbles, damp to wet, dense
Percolation Rate = 9.4 minutes/inch
with
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number ~
i 5.0'
2 10.0'
3 16.5'
Test Pit #25/
~h in Feet
From To
0.0 - 1.0
1.0 - 6.0
16.5 Ft.
None observed.
Soil exhibits little or
no stratification
Type of
°/eM S_a_mple_ Un i f i ed
9.1 G GM
8.1 G SM
8.5 G GM
W.O. #A20730
Date: 8/17/82
Logged By: TB
Soil Descri.ption
Brown Peat (Pt)
Fl, Brown Gravelly Sand (SP-SM), with
occasional silty sandy gravel layers, damp,
dense
6.0 - 16.0 Fl, Brown Sandy Gravel (GP)
16.0 - 16.5 NFS, Brown to Black Gravel, angular (appears
to be decomposed bedrock)
Percolation Rate = 11.4 minutes/inch
Bottom of Test Pit: 16.5 Ft.
Free Water Level: None observed.
Sample Type of
Number ~ ~ ~_
i 5.0' 6.6 G
2 10.0' 5.3 G
3 15.0' 7.3 G
Unified
SP-SM
GP-GM
GP-GM
Test Pit #26~~
From To
0.0 - 0.5
0.5 - 1.0
1.0 - 16.5
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Numbe~ ~
1 5.0'
2 10.0'
3 16.0'
Test Pit #27~/~
~pth in Feet
From To
0.0 - 8.0
8.0 - 13.0
13.0 - 16.5
Bottom of Test Pit:
Free Water Level:
W.O. #A20730
Date: 8/16/82
Logged By: TB
Soil Description
Brown Peat (Pt)
F2, Brown Organic Silty Sand (SM)
Fl, Brown Sandy Gravel, with trace of
damp, dense
Percolation Rate = 27 minutes/inch
16.5 Ft.
15.3 Ft.
Water seepage
%M
5.6
12.0
14.4
silt,
into pit at 14.0 Ft.
Type of
Sam~_ Unified
G GP-GM
G GM
G GM
W.O.. #A20730
Date: 8/16/82
Logged By: TB
Soil Descri.ption
Fl, Brown Sandy Gravel (GP-GM), with trace
silt, damp, dense
NFS, Brown Sandy Gravel (GP-GM), with
boulders to to 1.5"+, damp~ very dense
NFS, Brown to Gray Sand (SP-SM), damp to
moist, dense
Percolation Rate = 16 minutes/inch
16.5 Ft.
None observed.
Sample Type of
Number ~ °/dVI ~_ Unified
1 5.0' 8.0 G GM
2 10.0' 8.6 G GP-GM
3 15.0' 6.7 G SW
Test Pit #28 /
From To
0.0 0.5
0.5 17.0
Bottom of Test Pit:
Free Water Level:
Remarks:
W.O. #A20730
Date: 8/16/82
Logged By: TB
Soil Description
F2, Brown Organic Silty Sand (SM)
Fl, Brown Sandy Gravel (GP-GM), with
boulders to 1.5', damp to saturated, dense
Percolation Rate = 2.9 minutes/inch
17.0 Ft.
14.2 Ft.
Little
or no stratification observed.
Sample Type of
~ ~ %M ~_ Unified
1 5.0' 4.6 G GP
2 10.0' 6.0 O GP-GM
3 16.0' 5.0 O GP-GM
Test Pit #29 ~
~pth in Feet
From To
0.0 1.5
1.5 16.0
Bottom of Test Pit:
Free Water Level:
W.O. #A20730
Date: 8/17/82
Logged By: TB
F4,
FI,
of
to
Percolation Rate
Soil Description
Brown Organic Sandy Silt (OL)
Br'own Sandy Gravel (GP-GM), with layers
silty sandy gravel, occasional boulders
1.5', damp, very dense
9.4 minutes/inch
16.0 Ft.
None observed.
Sample Type of
Number ~ %M ~_ Unified
i 5.0' 8.8 G GP-GM
2 10.0' 9.9 G GM
3 16.0' 10.2 G GM
Test Pit #30 ~
From To
0.0 1.5
1.5 17.0
W.O. #A20730
Date: 8/17/82
Logged By: TB
Soil Descri~2~ .............
F4, Brown Organic Silt (OL), with some peat
Fl, Brown Sandy Gravel (GW) with oeasional
boulders to 1'+, layers of silty sandy
gravel, damp to wet, very dense
Percolation Rate = 10.7 minutes/inch
Bottom of Test Pit:
Free Water Level:
Sample
Number ~h
1 5.0'
2 10.0'
3 17.0'
Test Pit #31/
From To
0.0 1.6
1.6 9.0
9.0 12.0
12.0 - 16.0
17.0 Ft.
None observed.
Type of
_ _%~I_ _ S aml2_l_e_
0.9 G
5.7 G
7.2 G
Unified
GW
GP-GM
GP-GM
W.O. #A20730
Date: 8/17/82
Logged By: TB
Soil Description
F4, Brown Organic Silt (OL)
Fi, Brown Silty Sandy Grvel, (GP-GM),
occasional boulders to 2'+, damp
Fl, Brown Sandy Gravel (GP), with trace
silt
Fl, Brown Silty Sandy Gravel (GP-C{VI)
Percolation Rate = 8.0 minutes/inch
with
of
Bottom of Test Pit:
F~ee Water Level:
16.0 Ft.
None observed.
Sample Type of
Number ~h 9/M' Sam~_ Unified
1 5.0' 7.6 G GM
2 15.0' 8.9 G GM
Test Pit #32
_D_epth in Feet
From To
0.0 1.5
1.5 15.7
W.O. #A20730
Date: 8/19/82
Logged By: TB
Soil Description
F4, Brown Organic Silt (OL), with Peat
Fi, Brown Silty Sandy Gravel (GP-GM) with
layers of sandy silt and sandy gravel,
occasional boulders to 1'+, damp, dense
Percoltion Rate = 13 minutes/inch
Bottom of Test Pit: 15.7 Ft.
Free Water Level: 13.4 Ft.
Sample Type of
Number ~ °/cNI ~_ Unified
1 5.0' 9.7 G GM
2 15.0' 5.8 G GM
Test Pit #33~ ~
From To
0.0 1.0
1.0 17.0
W.O. #A20730
Date: 8/19/82
Logged By: TB
Soil Description
Brown Peat (Pt)
Fl, Brown Silty Sandy Gravel, (GP-GM),
cobbles, damp, dense
Percolation Rate = 80 minutes/inch
with
Bottom of Test Pit:
Free Water Level:
Remarks:
Sample
Number ~
1 10.0'
17.0 Ft.
None observed.
Soil exhibits
5.0
little or no stratification
Type of
~_ Unified
G GM
Test Pit #34
. From To
0.0 0.5
0.5 2.0
2.0 - 16.0
W.O. #A20730
Date: 8/18/82
Logged By: TB
Soil Description
Brown Peat (Pt)
Fl, Brown Silty Sandy
dense
NFS, Brown Sandy Gravel
subrounded gravel, no
dense
Gravel (GM), damp,
(GP, with cobbles,
fine sand, damp,
Bottom of Test Pit: 16.0 Ft.
Free Water Level: None observed.
Sample Type of
Number ~ %M Sam~_
I 9.0' G
Test Pit #34A
From To
Unified
SP
W.O. #A20730
Date: 8/19/82
Logged By: TB
Soil Description
0.0 - 1.0 Brown Peat and Organic Silt
1.0 - 14.0 Fl, Brown Sandy Gravel (GP-GM), with
silt, damp to saturated, medium dense
trace
Bottom of Test Pit:
Free Water Level:
Remarks:
GENERAL REMARKS:
14.0 Ft.
10.0 Ft.
Ground-water level observed 24
after drilling.
1. Type of Sample,
U=Undisturbed.
2. General Information,
3.
G=Grab, SPT=Standard
see Sheet 1.
Unified Classification, see Sheet 3.
hours
Penetration,
o o
_o 0
0
_o
__ .~o~O~o°o°~
0 0
~o ~o o o ~o @ ~o
o
o ~ _o
o _o
o ~o ~
Test Hole Lo~ - Description Guide
']~he soil descriptions shown on the logs are the best estimate of the sows
characteristics at the time of field examination and as such do not achieve the
~"necision of a laboratory testing procedure. If the log includes soils samples,
~hose samples receive an independent textural classification in the laboratory
~o verify the field examination.
~h
e logs often include the followtng ~ ems:
Depth Interval - usually shown to 0.1 foot, within that zone no
significant change in soil type was observed through drill action, direct
observation or sampling.
Frost Classification -- NFS~ Fl, F2, F3, F4, see "Soil Classification
Chart"
Texture of Soil - An engineering classification of the soils by particle
size and proportion, see "Soil Classification Chart", note the
proportions arc approximate and modifications to the soil group due to
stratification, inclusions and changes in properties are included.
Moisture Content · this is a qualitative measure:
d~, no or little apparent surface moisture,
damp, moisture forms portion of color, less than plastic limit,
wet, no frec water, often soft, il' cohesive soil,
saturated, free water may be squeezed out, ifa free draining soil;
ali/stent at natm'al moisture content, if a non-plastic silt or fine
sand. (The moisture content is further definedby reference to PI,
LW, NP, M% or di]atency.}
Density refers to more-or-less non-cohesive soils, such as sand gravel
mixtm-es with or without a fine fraction, derived from drilling action
and/or sample data; usually described as: very loose, loose, medium
dense, very dense. General intent is to portray earthwork
characteristics.
Stiffness -- refers to more-or-less cohesive soils and fine grained silts of
the clay-silt groups. Derived from drill action and/or sample data. Very
soft, soft, stiff, very stiff and hard are commonly used terms.
Particle size -- The largest particle recovered by the split spoon is
1-3/8", Shelby tube Y', auger flights (minute-man} 2", Auger flights
(B-50 hollow stem} 6"-8". Larger particles are described indirectly by
action of the drilliug and are referred to as cobbles, 3" to 8", or
boulders 8"+. Therefore when reviewing the gradation sheets, if any,
the description on the hole log must be considered for an:indication of
larger particles.
Unified Soil Classification - This is a two letter code. See Unified
Classification sheet for further definition. In some eases AASHO and/or
FAA soil classifications may be shown as well as the unified.
Atterberg Limits - useful for fine grained and other plastic soils.
p~; natural moisture content believed to be less than plastic limit
PI+; natt~al moisture content believed to be between plastic and liquid
limits
L.__~; natural moisture content believed to be greater than liquid limit
N~P; non-plastic, useful as a modifying description of some silty
mat~:fials,
Dilatency - is the ability of water to migrate to the surface of a
saturated or nearly saturated soil sample when vibrated or jolted - uled
as an aid to determine if a fine grained soil is a slightly or non-plastic
silt or a volcanic ash.
Rock flour - finely ground soil that is not plastic but otherwise appears
similar to a clayey silt.
Organic Content - usually described as Peat, PT, sometimes includes
discrete particles such as wood, coal, etc. as a modifier to an inorganic
soil. Quantity described as; trace, or an estimate of volume, or, in case
of all organic, - as Peat. This may include iundra, muskeg and bug
material.
Muck - a modifier used to describe very soft, semi-organic deposits
usually occuring below a peat deposit.
Amorphus peat -- organic particles nearly or fully disintegrated.
Fibrous Peat organic particles more-or-less intact.
.Bottom of Testhole - includes last sample interval.
Frost Line - seasonal frost depth as described by drilling action and/or
samples at the time of drilling,
Frozen Ground -- other than frost line, described by samples, usually
includes description of ice content, often will include modified Unified
Classification for frozen soils - this is a special case related to
permafrost studies.
Free Water Level -- The free water level noted during drilling. This is
hot necessarily the static water table at the time of drilling or at other
seasons. Static water table determination in other than very permeable
soils requires observation wells or piezometer installations, used only in
special cases.
Blow/6' - The number of blows of a 140 weight free falling 30" to
advance a 2" split spoon 6"; the number of blows for a 12" advance
by definition, the standard penetration.
,d% - natural moisture content of the soil samp]e, usually nnt
p~'rformed on clean sands or gravels below the water table.
Type of Sample .-
S_._P, refers to 2" split spoon driven into the soil by 140 pound
weight, a disturbed sample,
S, thin wall tube, "Shelby" used to obtain undisturbed samples
of fine grained soil,
G, "grab" disturbed sample from auger flights or wall of trench,
.~, cut sample, undisturbed sample from wall of trench.
Dry Strenl3th - ii useful indicator of a soil's clayey fraction, N=None,
L=Low, M=Medium, H=High
Group - The samples are placed into apparently similac gxoups based
on color and texture and are arbitrarily assigned a group letter. Further
disturbed tests including Atterberg Limits, grain size, moisture<lensity
relationship, etc. may be performed on the group and a.re assumed to
reflect the general distrubed characteristics of the soils assigned to the
group. This is an important phase of the soil analysis and is u~ed to
standardize the various qualitative determinations and to reduce the
number of quantisative tests necessary to describe the soil mass.
TEXTURAL
SOIL CLASSIFICATION CHART
0 I0 20 ;~0 40 50 60 70 80 90 I00
GRAVEL (+ ~4 SCREEN) % BY WEIGHT
FROST CLASSIFICATION SYSTEM
NONFROST SUSCEPTIBLE SOILS ARE INORGANIC SOILS CONTAINING LESS THAN 3% FINER THAN 0.02 mm.
GROUPS OF FROST-SUSCEPTIBLE SOILS:
F1 GRAVELLY SOILS CONTAINING BETWEEN 3 AND 20% FINER THAN 0.02 mm.
F2 SANDYSOILSCONTAINiNG BETWEEN 3 AND 15% FINER THAN 0.02 mm.
F3 a. GRAVELLY SOILS CONTAINING MORE THAN 20% FINER THAN 0.02 mm. AND SANDY SOILS
(EXCEPT FINE SILTY, SANE)S) CONTAINING MORE THAN 15% FINER THAN 0.02 mm.
b. CLAYS WITH PLASTICITY INDEXES OF MORE THAN 12. EXCEPT VARVED CLAYS.
F'4 a. ALL SILTS INCLUDING SANDY SILTS.
b. FINE SILTY SANDS CONTAINING MORE THAN 15% FINER THAN 0.02 mm.
c, LEAN CLAYS WITH PLASTICITY INDEXES OF LESS THAN 12.
d. VARVEE) CLAYS.
"Or.: ~¢st i~ worth a thcru~and opinions"
Pole ~bo Test Pit # 1 Shee~ of
Location~As Located on i~ap W. Oo Rbo" -Operator Jim M~ack
Lot ~ ~ock 2 Clien~ lili Wallace
~V_ ~xisting Projec~_)20 acres-~agle Rive~
~ CLASSIFICATION SA34pLB
SY STEM DATA I £ G
~ ~'[ Overbur. den _
Gravel
"~ Coarse Sandy Gravez G~-oP ·
8.;
~8~ sq. ft. drainage required
~ ~per' bedroom · Sand
"O'
-o-.
~. Ground ~,:~ .... bevel -~ Et,
he,bom o[' Te~b Pit~
Clay
Organic
~ntent
~ Pea~
T~ble
--DBPTH
2
5
9
~0
~5
~6
~7
~9
I~k~le N~.= 'iest Fit ,. ~ t
Location Hei'eP bo iqao
Block
~op ~leV Existin~
Sheet of
W. 0. ~°°~--:T2T70perat°r3 Jim Ma~k
Date
Client ~%~i---Wallace
Project---~-0--~~±e
D~,PTH
CL~SSIP ICATION
SYSTEM
2
3
4
.5
6 ~- Gravely.oand, Moist -SW
'1 [ ?' per bed~'o, bm .
'~'' . 12~sq.f.t. draina~? required
16J- ' gotcora oF l'est zJolc
.[
SAJ4P Ltl
DATA
Gravel
Sand
C] ay
Cont eni'
Peat
Frost
Table
I ~ (;1{ ND
"One ~es~ i~ ~orth a ~housand olalnlon~"
Hole No. Test Pit # 2
Location~Re£er 5o Map
Lot 1 Block 12
~'op~le¥_ exi s tin~
Sheet
W. O.
Date
of
~.'' O~erator Jim Mack
9-1-uTiu 3
Client Fill Wallace·
Project~%gO Acres-Eagle ~iver
DEPTH
4
5
7
9 ~'~
CLASS IP ICAT ION
sYSTEM
overburden
Slightly
o~i ~5 5':~ndy
Coar'se GW-GM
100 sq. i't. dl'a]nage
required poi- be, d:'oom
.Ground ,r..~,...e~-. Level.
F,o.';tom o£ Te,:,:., Pit,
SAMPI]i
DATA
Gravel
Sand
Silt
Clay
)rganlc
Content
Peat
Frost
Table
I£GE,VO
k*~le Nb. Test Pit # 3 Sheet . . of
Location'-~er to lviap H.O. ~o.. , Operator JM
--]]ot 1 Block 12 Date 9-11-73
Client Till Wallace
xrT'OT-~!eV- '~x~in,g Projec~ ~20 Acres-Ea~le River
TH CLfSSIF ICATION S;3.tPLB
? SYSTBM DATA I.EGE ND
I ~"~ Overburden
<~ Sandy Gravel GW-GP 8~ Gravel ~
8~ sq. ft. drainage area
'dO required per bedroom
.. <l j..'..'.:
)[% Sand "'..'.....
,- ,'..A.%, Ground. Water Level
Bottom of 'rest Piti Clay
Organic
Content
Peat
Frost
.. ~.:a~ er .
, Table
DE~.
P~
2
4
6
7
9
12
13
~5
]9
20
22,
23.
24.
25-
7
"0~ ~ is wort)* a ~houuand o~nions°'
F~le No. Test Pit # 4
~OCatiO~l 6~ef¥.~' Lo Ms~L_
. Lot 3 Mac i2
Sheet of
D,.telt~'O'
Client T~-i~ll Wallace
Project,~20 Acres-Eagle River
DB~fH CLASSIP ICATION S~.MP LE
FP~T S~ST~ DATA
~'4 Overburden
3:~ Ground Water Level ( static)
UT~' 85 sq. ft. drainage area
J~ O required per bedroom
10
Bottom of Test Pit~
12 Note: The ground water level
pit ~ad been open for 4 + hou 's.
20.~
Gravel
LEGEND
Sand
Silt
Clay
)rganlc
Content
Peat
Fro~t
W~er
Table
Pole ~. Test Pit # 5
bvcation.---~br 't'o Map
Lot 10 Block ~
Sheet of ,
W.O. ~o. Operator ~M _
Date 9-qlL73 _
Client '?ill Wallace
Project 320 Acres-Eagle Rive~
D~PTH CLo~SSIM ICAT ION { SMdP LE
I~ =~.RT SYSTEMI DATALEG£
Grey Silty San~ SM-2~O
_...~'r,.~,i ~own ~ ~-~ .
,~ Sandy G~avel- GW-GP 85
'10 ~ Ground Water Level
~ Clay
15 ~' Organic
16-, ~ntent
· Pea~
~ros~
Table
"On~ ~! is worth a ~housan~ opinlonl"
~i91e No. Test Pig # 6
Location Refer' to Map
Lot 12 Block
~ ~ev E~isting
CLASSIFICATION
Sheet of
W.O. b~. _ O~eraior Jim Mack
Date 9-1~-73
Client 'Pill Wallace
Project ~20 Acres-Eagle Rive~
D.BPTH
P~
~?
~9
23.
261 J
Silt Overburden
Slightly Siicy Sandy Gravel
GW-GP-GM
100 sq. ft. drainage required
bedroom
Ground Water Leyel
Bottom of Test Pit
S~2dPLE
DATA
per
I.EGEND
Gravel
Sand
Clay
rganlc
Content
Peat
Frost
Table
"One tesl is u, orlh a lhousand opinions"
Role Noo 'rest Pit # 7
Location Hefer co JqlaoPc~
~o~ ±3 _4
~op ~lev ~x~s~mng
Sheet of
W.O. No." Op--erator JM
Date 9-11-73
Client 'Pill Wallace
Project 320 Acres-Ea~le Rive~
DBPTH CLASSIP ICAT ION SAMPLE
F~'T SYSTEM DATA I-EGE h~O
'2! '~f'~, . Overburden
3 Gravel
i' ~ Mixed layers of Sandy Gravel ,
..--
,'~O '"
6'tOO 110 sq. ft. dr'ainage area re- Sand '']''l
7,,.--,, quired per bedroom
Bottom of Test Hole
13 Clay
15 ' Organic
17. ·
Pea~
20' " ~ -
22. Frost I
24 - · Wa ~ e r
2fi~ Table
"On~ ~csf is u, or~h a ~ho~a~an.'I oFinlon~"
K~ie Bb. Test Pit # 8
~ L~cation-~-e-fer to Map
~L0t 14 Block 3
9':
'{0
~ 17.
20'
22-
24-
Sheet of
W.O, Bb., .'-~pcr~.tor J~
te. 9---f1-73
Cite nt T ~i~l~al i ace
Project 320 Acres-Eagle River,
DBPYH
CLASSIPICATION
SAMPLE
DATA
Overburden
Silty Sandy. Gravel- GM-225
225 sq. ft. drainage area
required per bedroom
Sandy Gravel GW.-GP-.~5 [
~-Ground Water Level,~~
Bottom of Test Pit /Y
I~GEND
Gravel
Sand
Slit
C1 ay
)rganic
Con~ent
Pea'c
,¸5
"On~ ~st is v.~or:h a ~hoz:~nd o~inlons'
No. 'rest Pit # 9
location~_'h%-f~r to flap
Lot 21 Block.
'i~-~-~p ~-~ Exis ting
Sheet , of .
W.O. No. , Op'erator JM
Client 'rill Wallace
Projec't_320 Acres-Eagle River,
DBPTH CLASS IP ICAT ION
F~.E~rT SYSTBM
· Silty Gravel GM-22J ·
Coarse Sandy Gravel GW-GP-85
85 sq. ft. drainage area
qui~ed per bedroo$
9
~0
'16'
20'
~2
· Ground Water Level~.~..~.---~
Bottom of Test Pit
S;J, tP LE
DATA
LEGEND
Gravel
Sand
Silt
Clay
)rganic
Content
Peat
Frost
Wa~er
Table
~ie ~o Te~t Pit # 10
Sheet of 'Mac~
W.O. ]~o." OperatorJim
Date
Client '£~11 Wallace
Projec~,.3~0 Acres-Eagle
DBPTH
,
?
~?.
19.
20'
22
CLASSIFICATION
SYST~
S;~PL~
DATA
Silty Gravel - GM-225
"l
.~i), Coarse Sandy Gravel GW-GP-85
· 01 85 sq. ft. drainage required
~.'] per bedroom ,
~" r Level
.~,~!~ Ground Wase
~,".~ I ·
Bottom of Tes't Pi
LEGEND
Gravel
Sand
Silt
C1 ay
)rganic
Content
Water
Table.
"One le.s~ is worth a lhousand oFinio.s"
~ble kb. 'rest Pit # 11
Location-- hefer to Map
Lot 7 Block 12
Top Elev gxistin$
Sheet of
W.O. No. _._~_ Operator Jim Ma~k
rote, ?-7~-~3
Client Till Wallace
Projec't 320 Acres-Eagle River
DEPTH CLASSiP ICATION S~PLB
P~I~r SY STP24 DATA I J~ GE
I ~ ~-, Silt & Organic Overburden
2 ~ '
' 3 jcl', Silty Water entering Gravel
Sandy Gravel OW-GM 5es~ pit at - 3ft o
4.-.~ then dFy below'
~.. 180 sq. ft. dPainage a~ea 3 ft. level
~equ~red per. bedroom .'['.
-~ ..
6 ' ' Sand ..
''
13 Clay
16. Bo~fiom of Test Pi~ . . Organic
~ntent
22, '. Pros%
F'~le kb. Test Pit ~ 12
Location 'R-sfer to Man
--~io~k 3
Sheet of
W.O. No., Operator J~ Mack
Date. 93~ lt73 .
Client Till Wallace
Project 320 Acres-Eagle River
~ DBFYH
3
4
5
6
9
11
13
17
20'
22
24-
CLASSIP ICATION
SYSTEM
Overburden
Coarse Sandy G~avel GW-GP
Thin Layers of Sand-SW
90 sq. ft. drainage required
S~;pLE
DATA
Gravel
per bedroom
Bottom of 'rest Pit~'
Sated
Silt
Clay
3rganic
Conten$
I£GEND
Peat
Frost
Table
Pole bb. Tesb Fib # 13
iocat ion~~°
Lob ? ~lock ~
~op ~lcv Existin~
Sheet , of __ Ji~ Mack
W.O. 'No._ . Operator
Date 9711-73 .-
· Client Fill Wallace
Project_320 Acres-Eagle,River
CLASSIFICATION SA~,pLE
SYSTEM DATA LEG£
Overburden
CoarSe S~dy Gravel GW-GP Gravel
85 sq. ft. d~aSnage area
~eqiured per bedroom
Sand
,~G~ound ~at;e~ Level~ Silt
BoCbom of Teac Pi~ Clay
Organic
~ntent
Pea~
Frost
Table
DB?
F.EET
!
2
3
4
$
6
7
9
I0
12
13
14.
16'
17,
I8'
19.
20'
22,
24,
'One ~$1 ~ worth a lhousand o~n OhS
Hole No.. Tsst Pit # 14
Location refer to mad
--~-o-~ ! Block 4
~ ~lev_existing
Sheet of
WoO. ?~. ' . 0~erator JM
Date 9-12-73
Client Till Wallace
Project 320 Acres- Eagle River
DBPTH CI~SSIP ICATION S~{PI~
· FB~rT SYSTBM DATA LEGEND
3 ' '~ Sandy Gravel GW-G? 8J Gravel o
6 ~: Sand' .:..
8 Bottom of Test Mole .'
11 . /.
1~ Clay
1~ Organ$c
~&' Content
~9 ~ Peat
2~I l'~ter
2~ Table
"One; ~st is wtn'~h a thousand opinions?
~ble N~.
Location
#15.
:~;o'p '9.i e v~
Sheet of
W.O. No. ,_ Operator ~i _
Date 9-12-73
Client Ti%~ W~llaee
Project 320 Acres-Eagle River
DEFTH
2
7
.9
15
17 -,
~9
2G'
22.
23-
2~.
CLASSIFICATION
Ovorburdon
)~,.~-~ · Bodrock
Sandy Gravel GW-GP
SAMPLE
DATA
LEGE ND
Gravel
Sand
Silt
Clay
)rganic
Content
Pea~
Pros%
Wa~er
Table
"{')ne lcsl is worlh a ghrr. sand oyinions"
H~le bb. Test Pit # 17
~ Location~er ~o
- Lot lo' Block
~ DB~rH
pE~BT
~--~ ~ Overburden
3
4
5
6,
7
~.4'
~5
19
20'
22-
23.
24.
26
cLASSIP ICATION
sYSTEM
Silty Sandy Gravel
Coarse Sandy Gravel
Bottom o1' i.'e:~t, PJ u
Average of' 101] sq. I'1,. d~.ain
area required par bedroom
Sheet of
W.O. ~.' - O~erator Jim Mack
r~ate 9~2-7'~ -
Client 'rill Wallace
Project_}20 Acres-Ea~le Hive~
DATA
Gravel
Sand
Silt
Clay
Organic
Zontent
Peat
Frost
lga~er
Table
I_EGE hgO
"One. ~¢st is worth a thousand o~inlons"
Y~le kb. Test Pit # 16
location- Hefer to Map
Loc 5 Block 12
Sheet of
W.O. R~. Operator. Jim Mack
Date --"VT~- ~ 2- 73
Client '£ii~ Wallace
Project 320 Acres-Eagle River
7
DBPTH
PEET
CLASSIP ICAT ION
SYST~$~
Sil t-0ravel Overburden
GM-225 Moist
17'
10'
19'
20'
21.
22-
23-
24-
Silty Sandy Gravel OW-GM
12~ sq. ft. dra'£nage area
required par bedroom
Bottom of 'Peso Pit~
SA~PLB
DATA
Gravel
Sand
Silt
Clay
Organic
Content
Peal
Frost
Water
Table
"One test is worth a thousand t~pinions"
Fole No. 'rest Pit #18
ioca~ion ~efer ~o map
~o5 £ ~locP;
Existin~
Sheet of -
W.O. No. ' Operator Jim Maqk
Date ~-73 "
Client 'fill Wallace
Project 320 Acres-Eagle ~iveb
TH CLASSIP ICAT ION SA~P LE
I' SYST]~M DATA LEGE hi)
. ~-! Overburden __
· ~ Gravel ~
~... ~Sxed L~yep~ of ,Sand ~ ~ ....
SW a OF ..:...
· ['0 Average of 1~0 sp,fz, drainage Sand '',,,
,, ',,' area required per bedroom . .. ,
Bo;;tom o[' ,r~.::~t Hole ~
Clay
~Organ~c ~ ~
~n~en~ ~ ~ -
Peat: ~~~
, Frost
]~ W~er
Table
DB:
1
2
3
4
5
6
7
9
10
11
12
I3
15
17
19.
20,
21,
22.
23.
24-
26'
Yole No. Tesb pit #19 Sheet o£
~ocatlon Refer to Mau W.O. No.' O~erator Jim Mack
Lot ~ Block ~ Date ~-73
' . 'i'i±± Waiiaoe
Client
~6P ~iev ElistinE Project 3z0 Acrss-Eagie ~ivs%-_
?H CLASSIP ICAT ION J S;~{ P LE
SY STEM DATA I~GE NI)
J]'~?' Coarse Gravel GP- 8~ ~
.~ G~avel o ~
..:..
· ~ '~ S~d .'[ ..'
..~ Silty Sandy Gravel.. , Coarse .~'.. .]
GW- GM Moist ~
· . per bedroom~//~
J O o~san~c ~ ~
· Bottom ol' '~est Hole ~ntenT '~
Fros~ ]
Wa ~ e r ,~
Tabla
DBI:
2-
3-
5
?
8
9
lO
I2
13
16
18
20
22
23
24
2,5
"One tes~ is ~vor~h a thousand
F. ole bb. Test Pit #20
Location Het'er to Map
,Lot 1 Blo~k 10
'~xistin6
Sheet
W.O. No.
Date
Client
Project
of
'Operator Jim Mack
9-12-73
'rill Wallace
320 Aares-Ea~le River
~TH CLASS IP ICAT ION SAHp LE
~T SYSTEM DATA
:[~' Overburden
'.' ~, Silty Sandy Gravei
GW-GM
160 sq.ft, drainage required
~ per bedroom
~.. Be~poek a* 9* .
~':]~72 Bottom or 'rest Hole
1
2
3
6,
7
9
~5
~?
22.
23-
2<-
Gravel
Sand
Silt
Clay
~rganlc
I.EG£NI)
Content
Peas
Frost
Table
Hole ~o.
l~c~ion
Test Pit #21
P,e fo r '1'o
Yop~ieV_ ExYs~Yn5
Sheet of
W.O. ~. O~erator Jim Mack
D~te ~g-~2-73
Client Till Wallace
Project 320 Acres-Eagle Riley
CLASSIFICATION
SY STEM
Overourden
Silty
S~MPI-B
DATA
Sa;ady Gravel- Moist
O'.d-GM
13~ ......... ~ ' ~ '
per bedroom
Bobtom oF i'est lioLe
I£GEND
·Gravel
Sand
Silt
Clay
Drganic
Content
Peat
Frost
Water
Table
~ ~L~le ~b. Test Pit #22
[ ! [~cation Refer to Ma~
Lot 1 Block
~ ~iev Existin~
10
Sheet of
W.O. No. Operator Jim Magk
Date
Client Till Wallaco
Project 320 Acres-ga~le Rive~
DEFTH CLASSIFICATION SAMPLE
PF_~'r SY STEM DATA LE GE ND
; Ov~rbu_r de n
3 , · Gravel
4,~ Silty Sandy Gravel-Moist
GW-GM ,..' ..
Sand .. '
7
~."~ 160 sq.ft, drainage required · ...
8 ',' ~ per bedroom "
Bottom of Test Hole ~ntent
Pros~
22,.,
24 Ua~er '
25 Table
~..
"One lest is worth a thousand opinions"
~ble ~o. 22 A Sheet of
location Lot ,j Block 11 W.O. No. ' Operator JM
Date 9----~-73 -
Client 'Pill Wallace
rfop~ev_Existin~ Project_ 320 Acres-Eagle River
DBPTH CLASSIP ICAT ION SAMPLE
F.EBT SYSTEM DATA i£G£
['v v~l Overburden
:2--.,t
: ~ Sandy Gravel- GW-GP 85
3 .-' Gravel
c . ,~
?" .
· · Silt
11 j.
12~' O~ganic
~ Clay
16, ~ntent
~S,,
20..
2~..
22 -, Pros%
24T Wa~er
25~- Table
F~le Nee
Location'
"On~ ~es~ is worth m ~housan,~ oFinlo,,s"
Tesu Pit #23
Lo5 I Block I'
Exisuia~
Sheet of ·
W.O. No.' O~eratorJim Mack
Date 9---i-2-i-73
Client Pill Wallace
Project.~20 Acres-Ea~Hiver
DBPTH
2
3
6
7
9
10
11
12
~?
~9
2~
22,
23,
CLASSI? ICAT ION
SYSTEM
8. ps'.I.I b. Dt.a~ ~ ago r,6quipecl
po~' bedPoom
!~otbora o[' '£'esb l]oLo
SAAiPLE
DATA
Gravel
Sand
Silt
Clay
3rganic
Content
Frost
%'later
Table
?ble
Location
"One Ich is worth a thousand o~nions"
Test Pit #24
Refer to Map
tot 2 Block
Existin~
Sheet of
M.O. t~b~ ' ~-~eratorJim Mack
Date.
Client TiZi Wallace
Project 320 Acre. s~Ea$1e ~iver
CI~SSIP ICATION
SYSTBM
Coarse Gravel GP
SAMPLE
DATA
Coarse Sandy Gravel
GW -GP Moist
\
85' sq. ft. drainage area.
required per be. droom
Bottom of Test Hole
IJ~G£ND
Gravel
Sand
Silt
Clay
Irganic
Content
Peat
Frost
Tmble
"One. le~ i$ womb a ~hou~and ol~nlon~"
Hole ~b. Test Pit #25
· Location~fer 5o Map
Lot g2 Block
~op ~lev mx~ssxng
Sheet of
W. Oo No. Operator Jim Mack
Client Till Wallace
Project 320 Acres-Easle River
DBFrH
I
2
4
5
6
7
9
10
11
14,
~5
17,
19.
20'
22.
24~
2~
CLASS IP ICAT ION
SYSTP~M
Sandy Gravel, Coarse- Moist
GW GP.
8~ sq. i't~ drainage area re-
quired per bedroom
Bottom o1' 'Pest Hole
S;34PLE
DATA
LEGEND
Gravel
Sand
Silt
Clay
)rganlc
gontent
Pea~
Wa~er
Table
"One Les~ is worth a ~ho~asan~ o~nlons"
Hole R~, Test Pit #26
Lo¢~tion Refer' to Map
Lot Il B±oek o
~p Elev .... ~istin~
Sheet of -
Date -
Client Till Wa~±ace
Project 3~0 Acres-i~agle aive~'.
DBraTH C LA S SIP I CAT IO N SAMP LB
FEWF SY ~£EM DATA LEGE
Gravel
3 '~" Sandy Gravel, Coarse-Mois~
5, GW- GP
6 · ' ~ Sand
'/ [ Bottom of Test Hole
9 8.5 sq.rt. ~rainage require~ Silt
'~]~~1 per bedroom _ Clay
' ~ntent
24, ~ Water
~'op Eiev eYi stin~
Sheet _ of
W.O. No. .. Operator
Ciient '£iI1 Wallace
JM
project 320 Aores-Eagl River
DBPTH
PE~T
2
5
7
.9
10
14
~5
16.
17
19
20,
22.
25.,
CLASSIP ICATION
Sandy Gra've2 GW-GP 8~
Bottom of' Tezb P]t
SAMPI]~
DATA
Gravel
Sand
Silt
Clay
Organic
?~ntent
Peat
Frost
Water
Table
I.EGEN~)
"One ~esl is
Hole No. # 28.
Location Lou 1
Top ~lev Existinir
Sheet of
W.O. ~o. Operator
Date ~7~
Client 'l'J Il Wallace
Project_)20 Acres Eas:le River
~ D~.PT H
·
CLASS IP ICAT ION
SYSTEM
~51-
17
20
22.
23.
{
SA~ipI_E
DATA
Gravel
[40 b Lorn
Sand
Silt
Clay
Organic
(~ntent
Peat
Prost
Wate~
Table
Hole No. ,// 29
Location hot
Sheet of
W.O. No. Operator
Date
Client !']!1 Wallace
Project )~:,* Act. es-Eagle River
CLASSIPICATION
SY STEM
Bo ~ ..om
DATA
Gravel
S a nd
3ilt
Clay
Organic
(~ ntent
Peat
Frost
Water
Table