11831 AIRPORT RD WHOLE SITE FILE Geotech Report 2022-10-25

TABLE 1.SUMMARY OF EXPLORATIONS Crushed Station Rock Base Site Number or HMA Course Plan Exploration Location Improvement (inches) (inches) Figure GEI-1 Canyon Park Park-and-Ride 3053 3 6 2A HA-1 SR 527 and 220th Street SE 3033 N/A(grass) - 2B GEI-3 Southbound SR 527 at SR 524 3051/Signal 6 12 2C GEI-4 Right turn lane from southbound SR 527 Signal 15 0 2C,2D to westbound SR 524 HA-2 Southbound SR 527 and 196th Street SE 3050 N/A(grass) - 2E GEI-5 Southbound SR 527 at 196th Street SE 3050 15 0 2E GEI 6 Parking lot at southwest corner of SR 527 3049 11/2 0 2F at 180th Street SE GEI-24 Northbound SR 527 at 164th Street SE BAT lane 13 0 2G HA-3 Southbound SR 527 at 164th Street SE 3048 N/A(grass) - 2G GEI-8 Right turn lane from westbound Mill 3029/Signal 8 5 2G Creek Road to northbound SR 527 GEI-9 Northbound SR 527 at 153rd Street SE 3028 11 6 2H GEI-10 Southbound SR 527 at Trillium Boulevard 3046 91/2 0 21 GEI 11 Westbound 132nd Street SE at Road/Sidewalk 6 7 2J 16th Avenue SE GEI-12 132nd Street SE and 16th Avenue SE 3045/Signal N/A(grass) - 2J HA-4 132nd Street SE and Dumas Road 3044 N/A(grass) - 2K GEI-13 Eastbound 128th Street SE at 3043 6 0 2L 3rd Avenue SE HA 5 Westbound 128th Street SE at 3024 N/A(grass) - 2L 3rd Avenue SE GEI-20 Trail adjacent to Northbound 1-5 on ramp Road Widening 4 0 2L at 128th Street SE GEI 21 128th Street SE and 1-5 Southbound Road Widening/ N/A(grass) 2L Ramp Signal GEI 22 128th Street SW and 1-5 Northbound Road Widening/ N/A(grass) 2M Ramp Signal GEI-23 128th Street SW and 1-5 Northbound Road Widening/ N/A(grass) 2M Ramp Signal GEI-14 128th Street SW and 4th Avenue West 3042 N/A(grass) - 2M GEI-15 Eastbound 128th Street SW at 3041 13 0 2N East Gibson Road HA 6 Eastbound 128th Street SW at 3041 2N East Gibson Road GEOENGINEERS April 14,2017 Page 4 File No.2095-032-00