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Based on DCP and density testing results, it appears the fill has been placed with adequate <br /> compaction. <br /> It should be noted that during excavation for the test pits, a 12"thick layer of frost was encountered <br /> around 2 feet below bottom of footing elevation. This was in the slab area, and was not found below <br /> footings. If frost is found below any of the footings, it should be removed before footing placement. <br /> The test pits indicated no frost along footing lines. We have decided to allow the frost to remain in <br /> place below the slab, as the fill soils are clean sands. <br /> The excavator shall be made aware that all excavation areas should be protected against frost <br /> including slab areas. In the recently frigid temperatures, double frost blankets may be required. <br /> We recommend being retained to perform density testing during fill procedures for the basement <br /> slab. <br /> Sincerety, <br /> ITCO Allied Engineering Company Reviewed By: <br /> �.Gj7-C_%�= �,,<�,-�-.�. �.��"�� <br /> Joe Carlson, E.I.T. Robert P. Sullentrop, P.E. <br /> Inspector Minnesota Reg. # 17823 <br /> CC: City of Orono Building Inspections <br /> 701 - 0 / #605— 1.2 /#606— 1 /#610—'/4 /#304—3/ #612—55 <br />