Copyright © 2011 Magnum Geo-Solutions, LLC MAGNUM Informational Bulletin ISO-GEO-11A Technical Support, Design-Build & Value Engineering Magnum Geo-Solutions, LLC Drake Office Park, Suite West Drake Road Fort Collins, CO PIER

Copyright © 2011 Magnum Geo-Solutions, LLC To provide Magnum customers with specialty geo-structural engineering support solutions that optimize economy, constructability, and schedule.

Copyright © 2011 Magnum Geo-Solutions, LLC Howard A. Perko, Ph.D., P.E. 18 Years Experience Licensed PE in CO, WY, LA, WI, WV, VA, OH, MI, MN, PN, NY, FL, GA, KY B.S., M.S., and PH.D. in Civil Engineering- Geotechnical Specialization James A. Cherry, P.E. 20 Years Experience Licensed PE in CO, WY, NE B.S. in Architectural Engineering- Structural Specialization

Copyright © 2011 Magnum Geo-Solutions, LLC 363 West Drake Rd. Fort Collins, CO Schumacher Park Drive West Chester, OH 45069

Copyright © 2011 Magnum Geo-Solutions, LLC Foundation Designs Structural Designs Retaining Wall Designs Shoring & Underpinning Designs - Value Engineering Diagnostic/Inspection Services Design/Build Support Load Testing Assistance Expert Consultation

Copyright © 2011 Magnum Geo-Solutions, LLC Helical Piles Push Piers/Jacked Piles Micropiles Augercast Piles Rammed Aggregate Piles/Geo-Piers Jet Grouting/Compaction Grouting/Slabjacking Drilled Shafts/Bored Piles Driven Timber, Steel, Pre-Cast Concrete Piles Driven Mono-Tube and Taper-Tube Piles Chemical Grout Columns Cased Displacement Piles Reinforced and Post-Tensioned Mats Spread and Interrupted Footings

Copyright © 2011 Magnum Geo-Solutions, LLC Helical Tie-Backs and Helical Soil Nails Solid Bar and Hollow Bar Grouted Anchors and Soil Nails Manta Ray/Duck Bill Anchors Dead Man Plate Anchors Timber Crib Walls Rock Gabions Gravity Walls Concrete Cantilever Walls Sheetpile Shotcrete Soldier Pile & Lagging Chemical and Cement Grouting Braced Excavations

Copyright © 2011 Magnum Geo-Solutions, LLC CADD Drafting Groundwater Modeling Soil Nail/Anchor Modeling Slope Stability Modeling Finite Element Analysis Structural Analysis

Copyright © 2011 Magnum Geo-Solutions, LLC Client: J&A Concrete, Inc. Description: 18-story Mixed-Use Building Deep Excavation Services: Underpinning Design Shoring Design Anchor and Pile Design Dewatering Consultation

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Dwyer Concrete Lifting, Inc. Description: Underground MRI Machine 13 Excavation In-Side Services: Underpinning Design Shoring Design Foundation Pile Design Construction Inspections

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Solaris Development, Inc. Description: 150,000 sf Footprint 30 to 50 Deep Excavation Services: Geotechnical Consultation Dewatering Designs Check Excavation Designs Soil Nail Modeling

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Intercoastal Foundations & Shoring, Inc. Description: 16-story Condominium 150 ton Piles Services: Foundation Pile Design & Testing Underpinning Design Shoring Design

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Intercoastal Foundations & Shoring, Inc. Description: 17-story Condominium 60 ton Piles Services: Foundation Design Q/A Observations Pile Testing

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Arthur Helix, Inc. Description: 6-story Condominium Helical Pile Foundation Masonry Walls & Pre-Cast Plank Floors Services: Foundation Design Structural Design Shoring Design Pile Inspection

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Arthur Helix, Inc. Description: 21-Story Condominium Augercast Pile Foundation Services: Value Engineering Main Wind Force Brace System Analysis Foundation Re-Design

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Dwyer Concrete Lifting, Inc. Description: 36 Tall Masonry Walls Spread Footing Foundation Services: Design of Jacked Pile Underpinning

Copyright © 2011 Magnum Geo-Solutions, LLC Client: Hayward Baker, Inc. Description: Helical Pile Foundation Steel Frame Structure Services: Foundation Pile Design Load Testing Coordination Lateral Pile Analysis

Copyright © 2011 Magnum Geo-Solutions, LLC Technical Reference Book Perko, H.A. (2009) Helical Piles: Practical Guide to Installation and Design, John Wiley & Sons, New York, U.S.A. Other Papers Perko, H. A., and Boulden, J. (2008) Lateral Earth Pressures on Wood Lagging in Soldier Pile Earth Shoring Systems", DFI Journal, Vol. 2, Deep Foundation Institute, New Jersey Perko, H.A. (2012) A Study of the Advantages and Disadvantages of Helical Piles for Support of Solar Panels, Proceedings of Geo-Frontiers, Dallas, Texas (In Progress) Perko, H. A. (2012) Capacity of Full-Displacement Augered Friction Piles", Proceedings of 35th Annual Conference of the Deep Foundation Institute, Dallas, Texas (In Progress) Thompson, R.W., Rethamel, W., and Perko, H.A. (2006) Comparison of Constant Volume and Oedometer Swell Pressures, Proceedings of Unsat 2006, American Society of Civil Engineers, Phonex, AZ

Copyright © 2011 Magnum Geo-Solutions, LLC Other Papers (Cont.) Perko, H.A. (2005) Underpinning and Shoring for Underground MRI Research Facility at Ohio State University Proceedings of Underground Construction in Urban Environments, ASCE Geo-Institute, New York City Perko, H.A. and Nelson, J.D. (2002) Mars Global Surveyor Soil Mechanics Data Analysis Proceedings of the 7th International Conference on Construction, Operations, and Sciences in Space, Albuquerque, NM, ASCE Press, Reston, VA Perko, H.A., Nelson, J.D., and Green, J.R. (2002) A Review of Planetary Dust Transport, Deposition, Adhesion, and Removal Proceedings of the 7th International Conference on Construction, Operations, and Sciences in Space, Albuquerque, NM, ASCE Press, Reston, VA Perko, H.A., Thompson, R.W., and Nelson, J.D. (2000). Suction Compression Index Based on Results from CLOD Tests, Advances in Unsaturated Geotechnics, C.D. Shackelford, S.L. Houston, and N.Y. Chang, Eds., ASCE Press, Reston, VA, pp Perko, H.A. (2000). Energy Method for Predicting the Installation Torque of Helical Foundations and Anchors, New Technologies and Design Developments in Deep Foundations, N.D. Dennis, Jr., R. Casteli, and M.W. ONeill, Eds., ASCE Press, Reston, VA, pp Perko, H.A. and Nelson, J.D. (2000) Effects of Vacuum and Reduced Gravity on Bearing Capacity, Proceedings of the 6th International Conference on Construction, Operations, and Sciences in Space, Albuquerque, NM, ASCE Press, Reston, VA, pp Perko, H.A. (1998). Surface Cleanliness Based Dust Adhesion Model, Proceedings of the 5th International Conference on Construction, Operations, and Sciences in Space, Albuquerque, NM, ASCE Press, Reston, VA, pp

Copyright © 2011 Magnum Geo-Solutions, LLC Other Papers (Cont.) Perko, H.A., Nelson, J.D., and Sadeh, W.Z. (1996). Surface Cleanliness Effect on Lunar Soil Mechanics, Proceedings of the 4th International Conference on Construction, Operations and Sciences in Space, Albuquerque, NM, ASCE Press, Reston, VA, pp Perko, H. A. (1996). Effects of Surface Cleanliness on Lunar Soil Shear Strength, Proceedings of the Annual Meeting of the American Institute of Astronautics and Aeronautics, Reno, NV, AIAA Perko, H.A., Green, J.R., and Nelson, J.D. (2001) Investigations into Planetary Dust Adhesion Proceedings of the Annual Meeting of the Division of Planetary Scientists, American Astronomical Society, New Orleans, LA Perko, H.A., Green, J.R., and Nelson, J.D. (2000) Preliminary Results from Ultrahigh Vacuum and Cryogenic Dust Adhesion Experiments Proceedings of the Annual Meeting of the Division of Planetary Scientists, American Astronomical Society, Pasadena, CA Perko, H.A. (1999). Solar Energy Conversion Using In Situ Lunar Regolith, Proceedings of the Roundtable Discussion on Space Resources Utilization, Golden, CO. Perko, H.A. (2009) Status of Helical Piles in Building Codes Guest Lecture, Colorado Association of Geotechnical Engineers, Denver, CO, March 2009 Perko, H.A. (2007) "Creating Acceptance for Helical Foundations" Feature Article, Code Updates, Code Developments and Announcements, Structure Magazine, December Issue

Copyright © 2011 Magnum Geo-Solutions, LLC Other Papers (Cont.) Perko, H.A. (2007) "Evidence of Seismic Resistance of Helical Foundations", Helical Foundations and Tiebacks Technology Seminar, Deep Foundation Institute, New Orleans, LA Perko, H.A. (2006) "Geotechnical Techniques used in Planetary Exploration", Proceedings of Geo-volution, ASCE and AGU Joint Conference, Denver, CO. Perko, H.A. (2006) "Installation Torque as a Predictor of Helical Pier Axial Capacity" Technical Article, HelicalPierWorld.com. Perko, H.A. (2010) Failures of Helical Piles and Helical Anchor Supported Structures and Associated Lessons Learned Annual Conference, Structural Engineers Association of Kentucky, Louisville, KY Perko, H.A. (2010) Failures of Helical Piles and Helical Anchors and Associated Lessons Learned Helical Foundations and Tie- Backs Seminar, Deep Foundation Institute, Las Vegas, Nevada Perko, H.A. (2010) Lateral Capacity and Redundant Design of Helical Piles Helical Foundations and Tie-Backs Seminar, Deep Foundation Institute, Las Vegas, Nevada Perko, H.A. (2009) State of Practice Regarding Helical Piles Annual Conference, Structural Engineers Association of Kentucky, Lexington, KY Perko, H.A. (2009) History, Design and Applications of Helical Piles and Steel Push Piers Quarterly Meeting, Structural Engineers Association of Tennessee, Mid-Section, Nashville, TN

Copyright © 2011 Magnum Geo-Solutions, LLC Other Papers (Cont.) Perko, H.A. (2009) State of Practice Regarding Helical Piles Helical Foundations and Tie-Backs Specialty Seminar, Deep Foundation Institute, University of Alberta, AB, Canada Perko, H.A. (2008) Status of Helical Piles in Building Codes Helical Foundations and Tie-Backs Specialty Seminar, Deep Foundation Institute, Las Angeles, CA Perko, H. A. (2008) Helical Foundation for Alexan Broadway Parking Structure Case Histories in Deep Foundations Seminar, Deep Foundations Institute, Cincinnati, Ohio Perko, H.A. (2008) Innovative High-Production Methods for Driven H-Piles and Monotubes Deep Foundations Magazine, Spring Issue, DFI, New Jersey Perko, H.A., Dwyer, B.B., and Bonekemper, W. (2007) "Lateral Resistance of Helical Foundations for Hurricane Prone Coastal Areas", Helical Foundations and Tiebacks Technology Seminar, Deep Foundation Institute, New Orleans, LA ICC-Evaluation Services (2007) AC358 Acceptance Criteria for Helical Foundation Systems and Devices, Howard A. Perko, Prime Consultant and Originating Author Perko, H.A. (2005) HeliPost Engineering Handbook, Secure Piers, LLC, Fort Collins, CO Perko, H.A. (2004) Introduction to Corrosion and Galvanizing of Helix Foundations Helical Foundations and Tiebacks Technology Seminar, Deep Foundation Institute, Tampa, FL.

Copyright © 2011 Magnum Geo-Solutions, LLC Other Papers (Cont.) Perko, H.A. (2004) Mars Soil Mechanics Investigation Final Technical Report, NASA OSS Proposal No. NRA MDAP-059, NASA Contract NAG Supp 1. Perko, H.A. (2003) Lateral Capacity and Buckling Resistance of Helix Pier Foundations Helical Foundations and Tiebacks Technology Seminar, Deep Foundation Institute, Cincinnati, OH. Perko, H.A. and Rupiper, S.J. (2000) Basic Helix Foundation Engineering, Ingal-Precision Foundations, Inc., Larkspur, CO Perko, H.A. (1999) Summary of Earth Retaining Methods Utilizing Helical Anchors, Magnum Helix Foundation Tech. Ref. Manual, Magnum Piering, Inc., Cincinnati, OH Perko, H. A. (1996). Predicting Remaining Heave and the Time Rate of Heave by the Hyperbolic Method, Colorado State University Technical Report, Fort Collins, CO.

Copyright © 2011 Magnum Geo-Solutions, LLC Thank You Magnum Geo-Solutions, LLC Drake Office Park, Suite West Drake Road Fort Collins, CO PIER