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Bolton & Menk, Inc. <br /> Proposal QTB175606 <br /> April 4, 2023 <br /> Page 5 <br /> MDH Sealing Record <br /> We are planning the deepest borings to be at least 15 feet and less than 25 feet.Therefore,the <br /> Minnesota Statutes require us to complete a Sealing Record after our completion of the borings. Our <br /> proposal includes the fees for the Minnesota Department of Health (MDH) Sealing Record. <br /> In the event we extend our borings to a depth of 25 feet or greater,the MDH requires us to complete <br /> and submit a Sealing Notification Form for the project.The submission of the Sealing Notification Form <br /> will require a signature from the property owner(or agent). If we extend our borings to a depth of <br /> 25 feet or greater,we will forward on to you a copy of the form for signature and increase our total fees <br /> by$100. <br /> Borehole Abandonment <br /> We will backfill our exploration locations immediately after completing the drilling at each location. <br /> Minnesota Statutes require sealing temporary borings that are 15 feet deep or deeper. Based on our <br /> proposed subsurface characterization depths, we will seal 1,100 linear feet of borings with grout. Our <br /> lump sum fee includes those fees associated with the sealing. <br /> Sealing boreholes with grout will prevent us from disposing of auger boring cuttings in the completed <br /> boreholes. Unless you direct us otherwise, we intend to thin-spread the cuttings around the boreholes. If <br /> we cannot thin-spread cuttings, we will put them in a container left on site. We can provide off-site <br /> disposal of the cuttings for an additional fee. <br /> Overtime, subsidence of borehole backfill may occur, requiring releveling of surface grades or replacing <br /> bituminous or concrete patches. We are not assuming responsibility for re-leveling or re-patching after <br /> we complete our fieldwork. <br /> Sample Review and Laboratory Testing <br /> We will return recovered samples to our laboratory,where a geotechnical engineer will visually classify <br /> and log them.To help classify the materials encountered and estimate the engineering properties <br /> necessary to our analyses,we have budgeted to perform the following laboratory tests. <br /> Table 1. Laboratory Tests <br /> ASTM Test <br /> Test Name Method Purpose <br /> Moisture content D2216 Soil classification, moisture condition,and engineering properties <br /> Percent passing D1140 Soil classification,and evaluate frost susceptibility <br /> #200 sieve <br /> Atterberg Limits D4318 Soil plasticity,shrink/swell potential,engineering parameters, <br /> suitability of soils for reuse <br /> BRAUN <br />