Copyright © 2011 Magnum Geo-Solutions, LLC MAGNUM Informational Bulletin ISO-GEO-11A Technical Support, Design-Build & Value Engineering Magnum Geo-Solutions,

Copyright © 2011 Magnum Geo-Solutions, LLC

MAGNUM Geo-Solutions, LLC

MAGNUM Informational Bulletin ISO-GEO-11A

Technical Support, Design-Build& Value Engineering

Magnum Geo-Solutions, LLCDrake Office Park, Suite 1

363 West Drake RoadFort Collins, CO 80526

1-800-822-PIERwww.magnumgeo.com


Mission:To provide Magnum customers with specialty geo-structural engineering support solutions that optimize economy, constructability, and schedule.


Key Personnel

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


Locations

363 West Drake Rd.Fort Collins, CO 80526

6082 Schumacher Park DriveWest Chester, OH 45069


Engineering Services

Foundation DesignsStructural Designs

Retaining Wall DesignsShoring & Underpinning Designs

-Value Engineering

Diagnostic/Inspection ServicesDesign/Build Support

Load Testing AssistanceExpert Consultation


Foundation Experience

Helical PilesPush Piers/Jacked Piles

MicropilesAugercast Piles

Rammed Aggregate Piles/Geo-PiersJet Grouting/Compaction Grouting/Slabjacking

Drilled Shafts/Bored PilesDriven Timber, Steel, Pre-Cast Concrete Piles

Driven Mono-Tube and Taper-Tube PilesChemical Grout ColumnsCased Displacement Piles

Reinforced and Post-Tensioned MatsSpread and Interrupted Footings


Earth Retention Experience

Helical Tie-Backs and Helical Soil NailsSolid Bar and Hollow Bar Grouted Anchors and Soil Nails

Manta Ray/Duck Bill AnchorsDead Man Plate Anchors

Timber Crib WallsRock GabionsGravity Walls

Concrete Cantilever WallsSheetpileShotcrete

Soldier Pile & LaggingChemical and Cement Grouting

Braced Excavations


Computing Capabilities

CADD Drafting

Groundwater Modeling

Soil Nail/Anchor Modeling

Slope Stability Modeling

Finite Element Analysis

Structural Analysis

A

S1

A

S1

B

S1

B

S1

A

S1

H

S3

A

S1

A

S1

A sim

S1

S1

A

G

S3

B

S1


Case History: 245 Tenth Avenue, Manhattan, NY

Client:J&A Concrete, Inc.

Description:18-story Mixed-Use Building16’-24’ Deep Excavation

Services:Underpinning DesignShoring DesignAnchor and Pile DesignDewatering Consultation


Case History: Underground MRI Facility, Ohio State University, Columbus, OH

Client:Dwyer Concrete Lifting, Inc.

Description:Underground MRI Machine13’ Excavation In-Side

Services:Underpinning DesignShoring DesignFoundation Pile DesignConstruction Inspections


Case History: New Base Lodge, Vail, CO

Client:Solaris Development, Inc.

Description:150,000 sf Footprint30’ to 50’ Deep Excavation

Services:Geotechnical ConsultationDewatering DesignsCheck Excavation DesignsSoil Nail Modeling


Case History: 103-105 Norfolk St.Manhattan, New YorkClient:

Intercoastal Foundations & Shoring, Inc.

Description:16-story Condominium150 ton Piles

Services:Foundation Pile Design & TestingUnderpinning DesignShoring Design


Case History: 38 Delancey StreetManhattan, New YorkClient:

Intercoastal Foundations& Shoring, Inc.

Description:17-story Condominium60 ton Piles

Services:Foundation DesignQ/A ObservationsPile Testing


Case History: Park Avenue and 97th StreetManhattan, New YorkClient:

Arthur Helix, Inc.

Description:6-story CondominiumHelical Pile FoundationMasonry Walls & Pre-Cast Plank Floors

Services:Foundation DesignStructural DesignShoring DesignPile Inspection


Case History: 21-Story BuildingSunny Isles, FL

Client:Arthur Helix, Inc.

Description:21-Story CondominiumAugercast Pile Foundation

Services:Value EngineeringMain Wind Force Brace System AnalysisFoundation Re-Design


Case History: Target Super Store UnderpinningIndianapolis, INClient:

Dwyer Concrete Lifting, Inc.

Description:36’ Tall Masonry WallsSpread Footing Foundation

Services:Design of Jacked Pile Underpinning


Case History: Discovery CenterFort Collins, COClient:

Hayward Baker, Inc.

Description:Helical Pile FoundationSteel Frame Structure

Services:Foundation Pile DesignLoad Testing CoordinationLateral Pile Analysis


Technical PublicationsTechnical 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 Pilesfor 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


Technical Publications (Cont.)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. 393-408.

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. O’Neill, Eds., ASCE Press, Reston, VA, pp. 342-352.

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. 842-850.

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. 495-505.



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. 689-698.

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 96-0015.

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



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



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.



Perko, H.A. (2004) “Mars Soil Mechanics Investigation” Final Technical Report, NASA OSS Proposal No. NRA-00-01-MDAP-059, NASA Contract NAG5-11280 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.


MAGNUM Geo-Solutions, LLCMore information available at www.magnumgeo.com

Thank You

Magnum Geo-Solutions, LLCDrake Office Park, Suite 1

363 West Drake RoadFort Collins, CO 80526

1-800-822-PIERwww.magnumgeo.com

Documents

Copyright © 2011 Magnum Geo-Solutions, LLC MAGNUM Informational Bulletin ISO-GEO-11A Technical Support, Design-Build & Value Engineering Magnum Geo-Solutions,