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COBALT Cobalt Geosciences,LLC <br /> G E 0 S C I E N C E S P.O.Box 82243 <br /> Kenmore,Washington 98028 <br /> Date: Jan 24 to 30,2024 Project: Helical Piers/Push Piers DCI NO. <br /> Contractor: R&R Location: 1049 Crown Hill Drive Weather: Cloudy 50 <br /> At your request and authorization,Cobalt Geosciences, LLC was on site to monitor pier placement <br /> at the above referenced site. We note that we were on site during all pier placement. <br /> Helical and push piers were driven to refusal in dense soils.The data is as follows: <br /> Pier Depth(ft.) Pressure(psi) <br /> 1 10 1100 <br /> 2 12 1200 <br /> 3 11 1400 <br /> 4 10 1000 <br /> 5 11 1300 <br /> 6 13 1100 <br /> 7 12 1100 <br /> 8 10 1400 <br /> 9 10 1400 <br /> 10 11 1300 <br /> Pier Depth(ft.) Pressure <br /> 1 6 81oo <br /> 2 9 10000 <br /> Piers extended to refusal and penetrated all loose soils. <br /> Sincerely, <br /> Cobalt Geosciences,LLC <br /> Joel Jacobsen/Phil Haberman <br />