Case Study: Subcontractor Workforce Shortage Causes Pile Driving Delay in Louisiana (2018)
Project Overview
• Name: Lake Pontchartrain Bridge Expansion
• Location: New Orleans, Louisiana
• Year: 2018
• Project Size: $600 million
• Scope: Bridge widening including deep foundation pile driving
• Lead Agencies/Contractors: Louisiana DOTD /
Category of the Issue, Problem, or Challenge
• Subcontractor Management
• Labor & Scheduling
Summary of the Issue, Problem, or Challenge
The subcontractor failed to secure sufficient skilled pile driving crews, causing prolonged delays in foundation work.
Root Cause Analysis
- Inadequate labor market assessment and hiring plan by subcontractor.
- Prime contractor did not enforce subcontractor staffing commitments.
- Local labor shortages exacerbated by insufficient subcontractor recruitment efforts.
- Lack of incentives or penalties related to labor availability in contract.
Impacts Due to the Issue, Problem, or Challenge
- Foundation work delayed by 5 months, impacting overall schedule.
- Cost overruns for extended equipment rental and supervision.
- Increased project risk and stakeholder dissatisfaction.
Corrective Actions Taken
- Prime contractor increased oversight of subcontractor labor plans.
- Added contractual clauses linking labor availability to payment schedules.
- Assisted subcontractor with local recruitment and training initiatives.
- Engaged temporary labor resources to fill critical gaps.
Lessons Learned
- Labor availability must be verified and contractualized before subcontract award.
- Prime contractors need proactive labor oversight and contingency planning.
- Local market conditions can significantly affect subcontractor performance.
Audit & Prevention: Project Control Questions to Ask on Future Projects to Help Control the Situation
- Has subcontractor labor capacity been verified?
- Are labor commitments included and enforced in contracts?
- Are contingency labor plans in place?