Geotechnical Engineering StudyEarthSolutionsNWLLC
EarthSolutions
NW LLC
Geotechnical Engineering
Construction Observation/Testing
Environmental Services
15365 N.E.90th Street,Suite 100 Redmond,WA 98052
(425)449-4704 Fax (425)449-4711
www.earthsolutionsnw.com
GEOTECHNICAL ENGINEERING STUDY
PROPOSED WOODLANDS AT REDONDO CREEK
RESIDENTIAL DEVELOPMENT
3023X -20 AVENUE SOUTH
FEDERAL WAY,WASHINGTON
ES-6637
TH
Geotechnical Engineering,Construction
Observation/Testing and Environmental Services
Drwn.CAM
Checked SES Date April 2019
Date 04/25/2019 Proj.No.6637
Plate 1
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC
Vicinity Map
Danilchik Property
Federal Way,Washington
Reference:
King County,Washington
Map 745
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/TestingandEnvironmentalServicesEarthSolutionsNWLLCEarthSolutionsNWLLCAmB
AgC
Sk
AmB
AgD
AgC
AgDStormPond
pacific highway s.s.304thstreet20th avenue s.
Water
Tower
440
440
450
450
460
460
480490
500510
470
470
480
490
500
510
TP-1
TP-2
TP-3 TP-4
TP-5
TP-6
TP-7
TP-8
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-6637,April 2019
Subject Site
15%+Slope in AgD Soils
TP-1
NORTH0 75 150 300
Sc ale in Feet1"=150'
MRS
SSR
09/30/2019
6637
2TestPitLocationPlan DanilchikPropertyFederalWay,Washington
Drwn.CAM
Checked SES Date April 2019
Date 04/26/2019 Proj.No.6637
Plate 3
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC Geotechnical Engineering,Construction
Obser vation/Testing and Environmental Services
Retaining Wall Drainage Detail
Danilchik Property
Federal Way,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 SES Date April 2019
Date 04/26/2019 Proj.No.6637
Plate 4
Earth Solutions NWLLCEarthSolutionsNWLLC
EarthSolutions
NW LLC Geotechnical Engineering,Construction
Observation/Testing and Environmental Services
Footing Drain Detail
Danilchik Property
Federal Way,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