The global bridge construction market size reached US$ 1,138.4 Billion in 2023.* We’ll look at applications of Lean and Six Sigma in bridge construction and finish with a video of how suspension bridges are built in deep water.

*Source 

Lean Six Sigma Applied to Bridge Improvement

In a paper titled “Lean Sigma Application for Bridge Improvement Project” authors Prayogi Purnapandhega and Akbar Adhiutama discuss the use of Lean Six Sigma for process improvement in bridge delivery.

The paper includes:

  • Bridge Project Conceptual Framework
  • Bridge Design Comparison
  • Design Alternatives
  • Existing Design and New Design Processes
  • Bridge Repair Cycle Times
  • Bridge Scaffolding Costs

Click on the following link to download the paper.

Using Lean Construction to Reduce Waste in Bridge Construction

In an article titled “Analysis Lean Construction Application to Reduce Material Waste at Bridge Construction Project” author A.E. Sebastian discusses the use of Lean Construction to reduce waste in bridge construction.

The article includes:

  • Girder Production Flow Chart
  • Percent Plan Complete (PPC) Table
  • Plan Failure Reasons
  • Waste Analysis Discussion

You can read the article here.

[Citation: A E Sebastian 2019 IOP Conf. Ser.: Earth Environ. Sci. 328 012001]

Lean Six Sigma Green Belt Project Presentation

In a project presentation titled “Green Belt Project: City of Houston Bridge Database Improvement Process” discusses the benefits of an accurate and reliable bridge data base and the project to achieve those benefits.

The presentation includes:

  • Existing Bridge Data Entry and Maintenance Data Base
  • Problem and Mission Statements
  • Current Old and Obsolete Data Bases
  • Bridge Ownership Discrepancies
  • Cause and Effect Diagram for Bridge Data Base Discrepancies
  • Pareto Chart of Problem Causes
  • 5 Whys Analysis
  • Review of Existing Bridge Data Base
  • Improve Phase Objectives
  • Flow Chart of Improved Bridge Data Entry and Maintenance Process
  • Elimination or Justification of Discrepancies
  • Update Bridge Database Using Established Guidelines
  • Control Phase Details
  • Project Implementation Phase - Ownership

NOTE: The link assigned to the original presentation (shown below) no longer exists on the City of Houston innovation website.

How a Suspension Bridge is Built Over Deep Water

See how a suspension bridge is built over deep water in this animated video from 3D Living Studio.

You can watch the video here: 

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