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Mr. Gary Gleason, P.E. 16 January 17, 2001 <br /> GME Project No. 9256 <br /> equipment and work procedures which will not disturb the subgrade soils . <br /> The contractor should also route construction traffic away from foundation <br /> soils, and areas of pavements and slabs, to reduce soil disturbance. <br /> If the equipment the contractor selects causes rutting or pumping, it is <br /> the earthwork contractor's responsibility to switch to other types of <br /> equipment or methods. The responsibility to properly select construction <br /> equipment to avoid disturbing soils on the site lies solely with the <br /> contractor. A note to this effect should be included in the project <br /> specifications. <br /> Winter Construction <br /> Only unfrozen backfill shou�d be used, and contractors may charge extra <br /> for importing unfrozen soil or keeping backfill from freezing. Placement <br /> of fill and/or foundation concrete must not be permitted on frozen soil, <br /> nor should bearing soils under footings or slabs be allowed to freeze <br /> after concrete is placed, because excessive post-construction settlement <br /> could occur as the frozen soils thaw. ' <br /> Construction Safetv <br /> All excavations must comply with the requirements of OSHA 29 CFR, Part <br /> 1926, Subpart P, "Excavations and Trenches. " This document states that <br /> OM�CONSYLTANTB,INC. <br />