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HomeMy WebLinkAboutINTERSTATE LAND PUD, 1ST FILING (HARLEY DAVIDSON) - FINAL - 34-88C - SUBMITTAL DOCUMENTS - ROUND 1 - GEOTECHNICAL (SOILS) REPORTw w GEOTECHNICAL ENGINEERING REPORT PROPOSED HARLEY DAVIDSON DEALERSHIP 1-25 FRONTAGE ROAD NORTH OF PROSPECT ROAD EAST FORT COLLINS, COLORADO TERRACON PROJECT NO. 20955168 October 11, 1995 1 ri rr acon GEOTECHNICAL ENGINEERING REPORT PROPOSED HARLEY DAVIDSON DEALERSHIP 1-25 FRONTAGE ROAD NORTH OF PROSPECT ROAD EAST FORT COLLINS, COLORADO TERRACON PROJECT NO. 20955168 October 11, 1995 Prepared for.- R. C. HEATH CONSTRUCTION CO. P. 0. DRAWER H FORT COLLINS, COLORADO 80522 ATTN: MR. RANDY DE MARIO Irerracon Irerracon CONSULTANTS WESTERN, INC. P.O. Box 503.301 N. Howes Fort Collins, Colorado 80522 (970) 484-0359 Fax (970) 484-0454 Chester C. Smith, P.E. Larry G. O'Dell, P.E. Neil R. Sherrod, C.P.G. October 11, 1995 R. C. Heath Construction Co. P. 0. Drawer H Fort Collins, Colorado 80522 Attn: Mr. Randy DeMario Re: Geotechnical Engineering Report, Proposed Harley Davidson Dealership 1-25 Frontage Road North of Prospect Road, East Fort Collins, Colorado Terracon Project No. 20955168 Terracon Consultants Western, Inc., Empire Division, has completed a geotechnical engineering exploration for the proposed project to be located along the 1-25 Frontage Road approximately '/4- mile north of Prospect Road, east of Fort Collins, Colorado. This study was performed in general accordance with our proposal number D2095259 dated October 10, 1995. The results of our engineering study, including the boring location diagram, laboratory test results, test boring records, and the geotechnical recommendations needed to aid in the design and construction of foundations and other earth connected phases of this project are attached. Further details are provided in this report. We appreciate the opportunity to be of service to you on this phase of your project. If you have any questions concerning this report, or if we may be of further service to you, please do not hesitate to contact us. Sincerely, TERRACON CONSULTANTS WESTERN, INC. Empire Division , 23702 c,r Prepared by: r / \- isa R. Schoenfeld, P.E. Geotechnical Engineer Review d by - if J. Attwooll, P.E. Assistant Office Manager Copies to: Addressee (1) R13D, Inc. - Mr. Dave Delaney (1) City of Fort Collins (2) CityScape Urban Design Inc. - Mr. Terence Hoaglund (1) offices of The Terracon Companies, Inc. Geotechnical, Environmental and Materials Engineers Arizona ■ Arkansas ■ Colorado ■ Idaho ■ Illinois ■ Iowa ■ Kansas ■ Minnesota Missouri ■ Montana ■ Nebraska ■ Nevada ■ Oklahoma ■ Texas ■ Utah ■ Wyoming QUALITY ENGINEERING SINCE 1965 O ../ Terracon Geotechnical Engineering Exploration R. C. Heath Construction Terracon Project No. 20955168 TABLE OF CONTENTS Page No. Letter of Transmittal ............................................... INTRODUCTION .................................... PROPOSED CONSTRUCTION ........................••• ••' SITE EXPLORATION .................................. 2 Field Exploration .......................................... 2 Laboratory Testing .............................. . .......... SITE CONDITIONS .................................. SUBSURFACE CONDITIONS .......................•••••. 3 Soil Conditions ................................. 4 Field and Laboratory Test Results ......................:: : :: : : 4 Groundwater Conditions ........................... . CONCLUSIONS AND RECOMMENDATION .. • • • .............. 4 Foundation Systems ........................... 5 Seismic Considerations ........................... 5 Floor Slab Design and Construction ...... • • • • • • • • • ' ' ' ' ' 6 Pavement Design and Construction ................ • :::: 10 Earthwork ................................... ... 10 Site Clearing and Subgrade Preparation ......... . Fill Materials ................................. .... 11 Placement and Compaction ....... • • • • • • • • • • • ' ' ' .. ; 12 Compliance .................................... 12 Excavation and Trench Construction .......... 13 Drainage ................................................. 13 Surface Drainage .. • • • • " " " ' Additional Design and Construction Considerations . • • • • • ' 13 ' , 13 Exterior Slab Design and Construction .......... 14 Underground Utility Systems ................ * * ' ; * .... 14 Corrosion Protection .. • • • • • • • • • • • ' ' ' ' ' ' ' GENERAL COMMENTS .. • • • • • • • " " " ' " Geotechnical Engineering Exploration Terracon R. C. Heath Construction Terracon Project No. 20955168 TABLE OF CONTENTS (Cont'd) APPENDIX A Figure No. SITEPLAN .................................................... 1 Logs of Borings ..................................... Al thru A9 APPENDIX B Consolidation Tests ................................... B1 thru B2 APPENDIX C: GENERAL NOTES Drilling & Exploration ....................................... C1 Unified Soil Classification .................................... C2 Laboratory Testing, Significance and Purpose C3 Report Terminology ........................................ C4 APPENDIX D Recommended Preventative Maintenance -Asphalt Concrete Pavements .... D1 Recommended Preventative Maintenance -Jointed Concrete Pavements .... 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