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National Geotechnical Inspector Qualification

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Photograph of Excavator removing soil and rock within the cut and cover alignment of the Boston Central Artery Tunnel Project. Excavator is reaching over struts in a braced excavation.

Objective

The development of a nationally accepted qualification program that will serve to improve quality, ensure uniformity and establish a minimum standard of construction for geotechnical work.

Inspector Qualification

  • NATIONAL State/Industry/FHWA initiative (Office of Infrastructure/NHI)

  • Coordinated with National Regional Certification Groups

  • Program is to be administered by the Regional Groups

 Photograph shows the I-93 Charles River Crossing Cable Stayed bridge under construction. A large tower crane is in the foreground and the South Tower of the Bridge is completed with the majority of the cables installed. The background shows the North Tower at about 50% completion.

Proposed Modules

  • Driven Pile Foundations COMPLETE
  • Drilled Shaft Foundations COMPLETE
  • Subsurface Investigations
  • MSE Walls/RSS
  • Embankments/Cut Slopes
  • Anchored/Soil Nail Walls
 Photograph shows an aerial view of the Fort Point Channel and the construction work underway. In the foreground is the Casting Basin with four nearly complete concrete immersed tunnel tubes. The casting basin is a large dewatered cofferdam which enables the construction of the concrete immersed tunnel tubes which will be floated out and sunk into their final position in the Fort Point Channel to complete the I-90 Fort Point Channel Tunnel Crossing. In the background Deep Soil Mixing equipment and Drilled Shaft equipment is operating within the Channel from Barges and on land adjacent to the Boston Post Office Facility and South Station.

Technical Working Group
(Driven Piling and Drilled Shafts)

State DOT/Regional Certification Reps:

  • MidAtlantic (MARTCP), Virginia DOT, Ashton Lawler
  • New England (NETTCP), Vermont AOT, Chris Benda
  • Southeast (SETFTTQ), Florida DOT, Sastry Putcha
  • Midwest (M-TRAC), Missouri DOT, Mike Fritz
  • Western (WAQTC), Oregon DOT, Jan Six
  • Western (WAQTC) , Idaho DOT, Garth Newman

Technical Working Group
(Driven Piling and Drilled Shafts)

FHWA:

  • Peter Osborn, HIBT/RI Division (Technical Lead)
  • Chris Newman, HIAM
  • Sam Mansukhani, MRC
  • Charles Leudders, WRC

Industry Technical Support
(Driven Piling and Drilled Shafts)

  • ADSC(co-funded drilled shaft effort)
  • PDCA
  • DFI

Professional Practice Support
(participation currently in discussion)

  • Geotechnical Institute
  • ASFE
  • ACEC

Where we have been...

  • FHWA Nationwide Survey, 2000
  • TWG formed, October 2000
  • Strategic Plan Developed, November 2000
  • Industry Meeting, January 2001
  • Funding for Deep Foundations
    • FHWA (Bridge and Asset Mgmt)
    • ADSC (Drilled Shafts)
 Pile driving hammer

Deep Foundation Inspection
NOW BEING PRESENTED NATIONWIDE

  • Modeled after the proven Florida DOT Program
  • Two Modules:
    • Drilled Shaft
    • Driven Pile
 Pile being driven
Photograph shows a drilled shaft steel reinforcing cage being lowered into a shaft excavation for the Boston Central Artery Project. The drilled shaft work shown is adjacent to North Station (AMTRAK and MBTA Commuter Rail Station). Train platform is visible in the background.

Deep Foundation Inspection
development history

  • RFP, Summer 2001
  • Contract Award, Fall 2001
    • PBQ&D - Driven Pile
    • Ryan Berg - Drilled Shafts
  • Kick-Off, Nov. 19-20, 2001
  • Technical Walk-Thrus, June 5-6, 2002
  • Pilot Presentations:
    • Driven Pile, July 30-Aug 1, Milford, MA
    • Drilled Shaft, Aug 13-15, Portland, OR
    • Drilled Shaft, Nov 12-14, Kansas City

Deep Foundation Inspection
development history

  • Final Deliverables
    Driven Piles - Sept 30
    Drilled Shafts - Dec 30
    • Participants Workbook
    • Instructor's Guide
    • Visual Aids
    • Sample Exam
    • Implementation Guide
    • Tutorial CDs
  • Delivery Contracts Awarded January 2003
 drilled shaft auger

Current Status...

Courses are now available through:

National Highway Institute www.nhi.fhwa.dot.gov

Regional Certification Groups www.nhi.fhwa.dot.gov/tccc

 Concrete Piles
Drill rig for subsurface investigation

What's Next...

  • Subsurface Investigations
  • MSEW/RSS

Drill rig for subsurface investigation

MSEW

Transportation Curriculum Coordination Council

Mission: to provide national leadership, coordination, and cooperation in the development of a curriculum for various transportation disciplines, designed to improve the skills and abilities of participants.

www.nhi.fhwa.dot.gov/tccc

More Information

Contact:
Peter W. Osborn
FHWA Rhode Island Division
380 Westminster Mall, Room 547
Providence, RI 02903
401-528-4550
peter.osborn@fhwa.dot.gov


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