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EarthSolutions
NW LLC
Geotechnical Engineering
Construction Observation/Testing
Environmental Services
1805 -136th Place N.E.,Suite 201 Bellevue,WA 98005
(425)449-4704 Fax (425)449-4711
www.earthsolutionsnw.com
GEOTECHNICAL ENGINEERING STUDY
MAPLE HIGHLANDS
16210 SOUTHEAST 134 STREET
RENTON,WASHINGTON
ES-6121
TH
Drwn.CAM
Checked SHA Date Sept.2018
Date 09/13/2018 Proj.No.6121
Plate 1
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC Geotechnical Engineering,Construction
Observation/Testing and Environmental Services
Vicinity Map
Maple Highlands
King County (Renton),Washington
Reference:
King County,Washington
Map 657
By The Thomas Guide
Rand McNally
32nd Edition
NORTH
NOTE:This plate may contain areas of color.ESNW cannot be
responsible for any subsequent misinterpretation of the information
resulting from black &white reproductions of this plate.
SITE
Plate
Proj.No.
Date
Checked By
Drwn.ByEarthSolutionsNWLLCGeotechnicalEngineering,ConstructionObservation/TestingandEnvironmentalServicesEarthSolutionsNWLLCEarthSolutionsNWLLC164thavenues.e.162ndavenues.e.1
2 3 4 5 6 7 8
Tract B
Open Space
13 12 11
10
9
Tract A
Storm Drainage
TP-1
TP-2
TP-3
TP-4
TP-5
TP-6
TP-7
NOTE:This plate may contain areas of color.ESNW cannot be
responsible for any subsequent misinterpretation of the information
resulting from black &white reproductions of this plate.
NOTE:The graphics shown on this plate are not intended for design
purposes or precise scale measurements,but only to illustrate the
approximate test locations relative to the approximate locations of
existing and /or proposed site features.The information illustrated
is largely based on data provided by the client at the time of our
study.ESNW cannot be responsible for subsequent design changes
or interpretation of the data by others.
LEGEND
Approximate Location of
ESNW Test Pit,Proj.No.
ES-6121,May 2018
Subject Site
Proposed Lot Number
TP-1
NORTH
0 5 0 1 0 0 2 0 0
Sc ale in Feet1"=1 0 0 '
5
CAM
SHA
09/13/2018
6121
2TestPitLocationPlan MapleHighlandsKingCounty(Renton),Washington
Drwn.CAM
Checked SHA Date Sept.2018
Date 09/13/2018 Proj.No.6121
Plate 3
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC Geotechnical Engineering,Construction
Observation/Testing and Environmental Services
RETAINING WALL DRAINAGE DETAIL
Maple Highlands
King County (Renton),Washington
NOTES:
Free-draining Backfill should consist
of soil having less than 5 percent fines.
Percent passing No.4 sieve should be
25 to 75 percent.
Sheet Drain may be feasible in lieu
of Free-draining Backfill,per ESNW
recommendations.
Drain Pipe should consist of perforated,
rigid PVC Pipe surrounded with 1-inch
Drain Rock.
LEGEND:
Free-draining Structural Backfill
1-inch Drain Rock
18"Min.
Structural
Fill
Perforated Rigid Drain Pipe
(Surround in Drain Rock)
SCHEMATIC ONLY -NOT TO SCALE
NOT A CONSTRUCTION DRAWING
Drwn.CAM
Checked SHA Date Sept.2018
Date 09/13/2018 Proj.No.6121
Plate 4
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC Geotechnical Engineering,Construction
Observation/Testing and Environmental Services
FOOTING DRAIN DETAIL
Maple Highlands
King County (Renton),Washington
Slope
Perforated Rigid Drain Pipe
(Surround in Drain Rock)
18"Min.
NOTES:
Do NOT tie roof downspouts
to Footing Drain.
Surface Seal to consist of
12"of less permeable,suitable
soil.Slope away from building.
LEGEND:
Surface Seal:native soil or
other low-permeability material.
1-inch Drain Rock
SCHEMATIC ONLY -NOT TO SCALE
NOT A CONSTRUCTION DRAW ING