soil exploration/geoptechinical investigation-2004

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understand the subsurface condition across this footprint must not adversely impact proposed construction. The proposed residential construction area is rectangular on the order of 100 by 50 feet with the larger dimension aligned east-west. This rectangle lies 90 feet south from the centerline of Watertown Road and 180 feet west from the centerline of Old Crystal Bay Road. We assume the building will have wood-framed construction, and it will be supported on shallow-depth foundations and ground-supported floor slabs. We assume that a garage, if constructed, would be.subjected to freezing temperatures during its life. We have no information on final foundation and yard grades. We will assume that cut and fill construction to develop final site grades will be on the order of up to 4 feet. We assume that applied foundation bearing pressures will be up to 2000 pounds per square foot (psf). We assume continuous (strip) foundations will be up to 2 feet wide and isolated (square or circular) foundations will be up to 2 feet wide. SITE CONDITION The project site is at 2849 Watertown Road in Orono, Minnesota. This site lies in the southwest _ comer of the intersection of Watertown Road and Old Crystal Bay Road. The site is a lot of land nearly 2.5 acres in area. This lot can be divided into a northeast portion and a remaining portion. The northeast portion of this lot would be considered potentially buildable. We observed remains of a demolished building footprint immediately north of the proposed rectangular construction area. We observed old asphalt pavement crossing this lot portion. We observed a water well head above the ground surface immediately east of this rectangular area. The remaining portion of the lot appears to be low grassy and potentially wetted land. In fact, standing wetland water was observed nearly 60 feet west of the proposed rectangular construction area described above. The surface of this standing water was on the order of 2 feet below the top of Boring 2. The north edge of this low grassy land, which is 100 feet south of the proposed rectangular construction area, was 2 feet below the top of Boring 1. SUBSURFACE EXPLORATION Allied Test Drilling Company selected the locations of two exploratory soil borings based on site. sketch building layout information. These locations are in general agreement with tentative boring locations staked by others at the project site. Allied boring locations are shown on the Boring Location Plan in Appendix A. Allied established these locations in the field using existing landmarks shown on the site plan. Allied measured surface elevations of the borings using a temporary benchmark (TBM) with an assumed elevation of 100 feet. The TBM is the centerline of Watertown Road opposite the proposed rectangular construction area described above. The elevations are noted on the Boring Logs in Appendix B.- The accuracy of these boring locations Allied Project 04049 2 July 27, 2004