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OLD GEOTECH REPORT.pdfDennis M. Bruce, P.E. M.S.C.E., M.B.A. _ Geoiechnical/Civil Engineer June 11, 2006 City of Edmonds Community Services Division 121 51h Ave. N Edmonds, WA 98020 Subject: Field Reports - Geotechnical Inspections 7726 203'd St SW, Edmonds, Washington This engineering report presents a summary of field geotechnical inspections for the new residence at 7726 203`d St. SW, Edmonds, Washington. These inspections were required as a condition of permit. REFERENCES: • City of Edmonds approved Project Plans • Initial Geotechnical Report • Site photographs INSPECTIONS: This engineer has provided on -site geotechnical inspections for the new residence at the address listed above. • Excavation: This new residence required minimum excavation (less than 4 feet in depth). No adverse impacts. • Soil Bearing: This engineer verified dense, native sub -grade soils easily providing a minimum of 2,000 p.s.f. bearing capacity. "OK" to proceed with foundation formwork, reinforcing steel and concrete placement. Subsequently, contractor properly installed residence foundation footings and stem walls. Approved. • Fill Placement: No fill material was required for the house foundation footings. SOILS • FOUNDATIONS • SITF DEVELOPMENT • INSPECTION • DRAINAGE • DESIGN & PERMIT • LEGAL P.O. Box 55502 • Shoreline, WA 98155 • (206) 546-9217 • FAX (206) 546-8442 City of Edmonds Re: Red Raven Homes June 11, 2006 Page 2 The driveway access (east property line zone) required modest cut and fill in order to establish a proper grade and sub -grade preparation. Contractor properly placed rock sub -base, as required by Project Plans. All fill material and placement techniques are geotechnically approved. • Erosion Control: Contractor properly established and continued to maintain good erosion control practices: rocked construction entrance, siltation fencing, straw bales as required, and diligent cleanup. All erosion control measures are approved through this date (June 11, 2006). • Proof Rolling - Driveway: This engineer inspected and verified proper sub -base preparation, materials and compaction of the east driveway road. Heavily loaded trucks were utilized for a proof rolling test: no "mushiness", no pumping or rutting occurred during the proof rolling. The driveway sub -grade is _approved for follow-up sub -base and surface pavement phases. SUMMARY: • All geotechnical inspection aspects have been properly performed to date (June 11, 2006)_ If there are any questions, do not hesitate to call. Dennis M. Bruce, P.E. Geotechnical / Civil Engineer DMB:abj cc: Red Raven Homes