2725 32ND AVE NE 2018-01-02 MF Import

FIELD REPORT Associated Earth Sciences, Inc. 911 Fifth Avenue Kirkland, Washington 98033 425-827-7701 FAX 827-5,124 TO: Pacific Topsoils Inc 805 80 Street SW Everett, WA 98203 A'ITN: Janusz Bgisarowicz AS REQUESTED BY Client THE FOLLOWING WAS NOTED: Pace I of 2 Date Pm'UjlYt Name PR'oject Na. 9/7/ll Smith Island 10-Acre KE090169B Location weather Smith Island Smmv 70's Municipality nepon Nuu lm Snohomish County 64 Enghteer/Architect Paranmctrix Cilent/On'ner Pacirc Ta lsolls Inc General Contractor/Superintendent Pacific Tu suils Inc/Thomas Grading Contractor/Superintendent Pacific Topsoils Inc/'Thomas and Roger AESI on site part time, as requested by the client, to monitor construction progress of Pacific Topsoil's "Smith Island" project. Mass Gradine Trending generally west to cast, the earthwork contractor continued mass grading processes over the project's former sludge disposal area near the south end of Pacific Topsoil's Smith Island Facility. Utilizing a large do: %, the contractor placed approximately.5' of recently imported/aerated fill from a construction site in Mercer Island and compacted the material via large vibratory roller. ]he compacted fill was observed to be unyielding under lire wheel weight of truck/trailer assemblies and Finn with corresponding T-probe depths of 3". A series of in place density tests were conducted to confirm the specified compaction for the currently exposed impermeable cap ores (95% ASTM 1557). The contractor was notified of all density results listed below. Additionally, AESI noted the contractor had continued to spread and compact the specified "protective layer'soil near the southwest portions of the site. The sail (brown silty sand with gravel and trace deleterious debris) was placed in a series of 6-12" loose lifis and compacted with n minimum of four passes via large vibratory roller. The compacted protective layer was observed to be unyielding under the wheel load of earthwork equipment and firm with corresponding T-probe depths not exceeding 2". As no compaction specification exists for the above noted protective layer, AESI will continue to performance evaluate the material during placement. See figure I for specific task location. Densit Results Test # Location Depth(it below cap) % Moist Dry D Max Dry D % Max P/F t". See figure 1 approx FSG 10.4 119.1 125.6 95 P !2 See figure 1 approx FSG 10.1 1 119.5 125.6 95 P !3 See figure 1 approx FSG 9.8 120.6 125.6 96 P W See figure 1 approx FSG 10.3 120 125.6 96 P t5 See figure 1 approx FSG 10.5 119.3 125.6 95 P 16 See figure 1 approx FSG 9.9 119.9 125.6 95 P t7 See fi ure 1 a rox FSG 10.2 120.1 125.6 96 P l8 See fi ure 1 approx FSG 10.7 118.8 125.6 95 P COPIES TO: DATE MAILED: Distribution FIELD REP.: Jon D. Hansen, Se Staff Geologist SEP 2 3 2011 PRINCIPAL / PNI: Jon Sondcrgaanl, P.E.G