HomeMy WebLinkAboutWPO201400065 Assessment - Groundwater 2014-08-04Steve Gooch STEVE GOOCH spgooch.geologist @gmail.com
C.P.G. /O.S.E CONSULTING GEOLOGIST, INC. Phone: 434 - 531 -0487
703 Oliver Creek Rd. Troy, Virginia 22974
September 22, 2014
Dick Shank
Shank & Gray Architects
510 East Main Street
Charlottesville, Virginia 22902
Re: Infiltration Test Results
Our Lady of Angels
Albemarle County, Virginia
Dear Dick:
As requested we recently ran a series infiltration tests at the above - referenced site.
The results of the infiltration tests are shown in Table 1. We also drilled a test hole to
determine soil types at each infiltration test location. Test hole logs showing soil
types and groundwater data are also enclosed. The approximate location of the
infiltration tests is shown on the accompanying plan.
Based on soil conditions and a rock ledge or large boulder in the vicinity of the lower
infiltration pit we recommend that the infiltration pit locations be shifted to an area as
shown on the plan.
Call if you have any questions.
Sincerely,
Gooch Engineering and Testing, Inc.
Steve Gooch
Encl.
cc: Roudabush, Gale and Associates
Hole Depth of Test
(ft.)
1 4.0
2 10.0
3 4.0
4 8.5
Table 1
Infiltration Test Results
Our Lady of Angels
Albemarle County, Virginia
Material Description Infiltration Rate
in Test Zone (in./hr.)
Red clayey silt and yellow -brown sandy silt 2.875
Yellow -green silty sand 12.0
Yellow -brown silty sand 6.125
Brown silty sand 15.25
STEVE GOOCH TEST HOLE LOG
CONSULTING 703 Oliver Creek Rd.
Troy, VA 22974
GEOLOGIST, INC. 434 -531 -0487
Project: Our Lady of Angels - Infiltration Pit
Location: See Plan
GROUND WATER DATA: Dry 24 hrs after completion
Sheet 1 of
Date 9/17/14
Logged by: SPG
Hole: I Depth: 13.0 ft.
Surface Elev:
Elevation
Depth
0.0
Material Description
Sampling Data
__.7a_nple__7
From
To
Blows
Rec.
0.5
Topsoil
Red clayey silt (ML)
Residual
3.0
Red clayey silt (ML) and yellow -brown
sandy silt (ML)
S.0
Si
Yellow -brown sandy silt (ML)
10.0
13.0
Hole terminated at 13.0 ft.
15.0
20.0
Note: hole dug with hand auger
25.0
29.0
STEVE GOOCH TEST HOLE LOG
CONSULTING 703 Oliver Creek Rd.
Troy, VA 22974
GEOLOGIST, INC. 434 -531 -0487
Project: Our Lady of Angels - Infiltration Pit
Location: See Plan
GROUND WATER DATA: Dry 24 hr- after cmmnletinn
Sheet I of
Date 9/17/14
Logged by: SPG
Hole: 2 Depth: 16.0 ft.
Surface Elev:
Elevation
Depth
0.0
Material Description
Sampling Data
Sample
From
To
Blows
Rec.
0.5
Topsoil
Red clayey silt (ML)
Residual
4.0
5.0
Red -brown sandy silt (ML)
7.0
10.0
Yellow -green silty sand (SM)
15.0
16.0
Hole terminated at 16.0 ft.
20.0
Note: hole dug with hand auger
25.0
29.0
STEVE GOOCH
TEST HOLE LOG
CONSULTING
703 Oliver Creek Rd.
Troy, VA 22974
GEOLOGIST, INC.
434 -531 -0487
Project: Our Lady of Angels - Infiltration Pit
Location: See Plan
GROI lND WATER DATA: Dry 24 hr, after comnletion
Sheet I of 1
Date 9/17/14
Logged by: SPG
Hole: 3 Depth: 16.0 ft.
Surface Elev:
Elevation
Depth
Sampling Data
0.0
Material Description
Sample
From
To
Blows
Rec.
0.5
Topsoil
Red -brown sandy clayey silt (ML)
Residual
4.0
�.0
Yellow -brown silty sand (SM)
10.0
15.0
16.0
Hole terminated at 16.0 ft.
20.0
Note: hole dug with hand auger
25.0
29.0
STEVE GOOCH TEST HOLE LOG
CONSULTING 703 Oliver Creek Rd.
Troy, VA 22974
GEOLOGIST, INC. 434 -531 -0487
Project: Our Lady of Angels - Infiltration Pit
Location: See Plan
GROUND WATER DATA Dry 24 hrs after rmmnletinn
Sheet I of 1
Date 9/17/14
Logged by: SPG
Hole: 4 Depth: 16.0 ft.
Surface Elev:
Elevation
Depth
0.0
r
Material Description
Sampling Data
Sample
From
To
Blows
Rec.
0.5
Topsoil
Red -brown clayey silt (ML)
Residual
2.5
Red -brown sandy silt (ML)
5.0
10.0
Brown silty sand (SM)
15.0
16.0
Hole terminated at 16.0 ft.
20.0
Note: hole dug with hand auger
25.0
29.0
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