Laserfiche WebLink
• <br />Conclusions <br />Based on the subsurface conditions encountered at the site, we recommend that the proposed building or <br />equipment structures to be constructed at the18 Left Shaft Site be supported on foundation systems <br />consisting of straight shaft skin friction/end bearing piers drilled into the underlying claystone bedrock <br />materials. A foundation system consisting of helical or screw piles advanced into the underlying claystone <br />bedrock materials is another feasible type of deep foundation system. Design parameters and <br />recommendations for the above foundation systems, as well as for floor slabs, foundation walls and <br />retaining structures, site grading and pavement sections are outlined herein. <br />Purpose and Scope of Study <br />This report presents the results of a Geotechnical Investigation for the proposed 18 Left Shaft Site Pad, <br />Cuttings Pit, Detention Ponds and Access Road to be located west of County Road #27 and on the Cross <br />Mountain Ranch in Routt County, Colorado. The approximate location of the project site is shown in <br />Figure #1. <br />A field exploration program was conducted at the site to obtain information on the subsurface conditions at <br />the site. Material samples obtained during the subsurface investigation were tested in the laboratory to <br />provide data on the classification and engineering characteristics of the on-site soils. The results of the field <br />and laboratory investigations are presented herein. <br />This report has been prepared to summarize the data obtained and to present our conclusions and <br />recommendations based on our understanding of the proposed construction and the subsurface conditions <br />encountered. Design parameters and a discussion of geotechnical engineering considerations related to <br />construction of the proposed structures are included. <br />Proposed Construction <br />It is our understanding, based on our discussions with the client and our review of the site plan provided by <br />the client that the proposed construction will consist of a 350' by 250' shaft pad and a 50' by 100' <br />transformer pad. It is also our understanding that two 176,000 ft3 cuttings pits and an access road <br />approximately 450' in length from County Road #27 to the site will be constructed for this project. It is <br />also our understanding that two sedimentation ponds will be constructed to the southwest of the pad area to <br />address the drainage and sediment control requirements across the site. <br />• <br />Job Number: 08-8241 NWCC, Inc. Page 1