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Charles (Rick) Ellis, P.E. BSCE, Michigan State University, 1992 Assistant Division Head – Bridge

Southeast PBES/ABC Regional peer exchange ARKANSAS State highway & transportation department February 26, 2013. Introduction. Charles (Rick) Ellis, P.E. BSCE, Michigan State University, 1992 Assistant Division Head – Bridge Responsibilities:

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Charles (Rick) Ellis, P.E. BSCE, Michigan State University, 1992 Assistant Division Head – Bridge

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  1. Southeast PBES/ABC Regional peer exchangeARKANSAS State highway & transportation departmentFebruary 26, 2013

  2. Introduction • Charles (Rick) Ellis, P.E. • BSCE, Michigan State University, 1992 • Assistant Division Head – Bridge • Responsibilities: • Assist Bridge Engineer in daily activities of Division and management of personnel. • Oversee AHTD Bridge Design Consultants. • Manage new workforce timekeeping system for the Division. • No defined role or responsibility for PBES/ABC.

  3. Organizational Structure • Bridge Division is located within the Central Office complex in Little Rock and is under the direction of the Asst. Chief Engineer-Design. • Current staff of 29 includes 26 graduate engineers. • Staff is divided into 4 Design Sections and 1 Structural Inventory and Rating Section. • Design Sections produce plans and specifications for bridges, box culverts, retaining walls, overhead sign structures, etc. • Inventory & Rating Section is responsible for load rating and recommending postings for the approx. 13,000 bridge length structures in the State. Also responsible for analyzing bridges for overload vehicles. • Project Planning, Programming and Research is undertaken within the Central Office complex in Little Rock and is under the direction of the Asst. Chief Engineer-Planning. • Construction and Maintenance and bridge management and inspection are undertaken within 10 districts and is under the direction of the Asst. Chief Engineer-Operations who is located within the Central Office complex in Little Rock.

  4. Volume of Work • How many bridges replaced and at what cost? • State: *27 @ $80 Million per year • Local: 7 @ $6.6 Million per year *Does not include bridges replaced with box culverts. • How many bridges rehabilitated and at what cost? • State: Practically zero • Local: Practically zero • Recently began a Bond Initiative to repave interstates. Part of program will rehabilitate bridge decks using Hydrodemolition with Latex Modified Concrete Overlays.

  5. Planning and Decision Making • AHTD does not have a process or policy in place to support implementation of PBES/ABC type activities and projects. • AHTD does not have a decision making tool or method to assist in the identification and selection of cost effective PBES/ABC type projects.

  6. PBES/ABC Implementation Barriers • AHTD’s greatest challenges or barriers in the effective implementation of PBES/ABC type initiatives and products. • Lack of education/experience • Detailing and Design, especially seismic • Lack of experience among local Contractors • Few precast Fabricators within state

  7. Bridge Types and Materials • Common Arkansas Bridge Types & Span Ranges: • Steel Beam/ Girder Units, 35’-150’ spans • Prestressed Beam/Girder Units, 50’-130’ spans • Limited Arkansas Bridge Types & Span Ranges: • *Reinforced Concrete Channel Beams; 19’, 25’ & 31’ spans • Double Basket Handle Network Tied Arch currently under design by Consultant, 440’ long and approx. 90’ tall. • PBES available within Arkansas: • *Reinforced Concrete Channel Beams *Used often in the past on low volume routes. Recent use diminished due to incomplete conformance to LRFD.

  8. Contracting and Construction • Contracting Options commonly used by AHTD: • Value Engineering • A+C (Cost + Time) • Construction Alternatives commonly used by AHTD: • Lane Closures or Detours • Non-Peak Hour Construction, nighttime closures • Non-Peak Hour Construction, weekend closures

  9. Education and Outreach • AHTD does not have any involvement with transportation industry groups in support of PBES/ABC type projects. • AHTD has participated in and is interested in continuing participation in domestic PBES/ABC scanning tours.

  10. PBES/ABC Successes • AHTD has no great success in the implementation of PBES/ABC type activities and projects.

  11. PBES/ABC Future Endeavor • AHTD’s future endeavors for implementation of PBES/ABC type projects has not yet been determined.

  12. Questions

  13. More Questions

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