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

Southeast PBES/ABC Regional peer exchange
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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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Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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.


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

PBES/ABC Successes

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


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

PBES/ABC Future Endeavor

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


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

Questions


Charles rick ellis p e bsce michigan state university 1992 assistant division head bridge

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