Labor Relations for Construction
Document Type: Guide
Version: 1.0
Last Updated: February 2026
Distribute To: Owners, HR, Project Managers
Purpose
Provide guidance on labor relations considerations in construction, including union and non-union environments.
Construction Labor Landscape
Types of Contractors:
| Type | Description |
|---|---|
| Union (Signatory) | Agreements with trade unions |
| Non-Union (Open Shop) | No union agreements |
| Double-Breasted | Related union and non-union companies |
| Merit Shop | Non-union, merit-based advancement |
Union Environment
Understanding Unions:
Common Construction Unions:
- IBEW (Electrical)
- UA (Plumbers/Pipefitters)
- IUOE (Operating Engineers)
- Carpenters
- Ironworkers
- Laborers (LIUNA)
- Sheet Metal Workers
Collective Bargaining Agreements (CBA):
Key CBA Terms:
- Wage rates
- Fringe benefits
- Working conditions
- Hiring hall procedures
- Work rules
- Jurisdictional assignments
- Grievance procedures
Working Under CBA:
| Requirement | Obligation |
|---|---|
| Wage rates | Pay scale per CBA |
| Fringes | Contribute to funds |
| Hiring | Use hiring hall |
| Work rules | Follow CBA provisions |
| Reporting | Certified payroll, trust reports |
Non-Union Environment
Open Shop Benefits:
- Workforce flexibility
- Merit-based advancement
- Direct employee relationship
- No jurisdictional disputes
Open Shop Considerations:
- Competitive compensation needed
- Training responsibility
- Retention challenges
- Project requirements may vary
Project Labor Agreements (PLAs)
What is a PLA?
Pre-hire collective bargaining agreement for specific project
PLA Provisions:
- All workers through union hiring halls
- Union wages and benefits
- No-strike clauses
- Work rules
- May allow non-union subs
PLA Considerations:
- Usually public projects
- May be mandatory
- Evaluate bid impact
- Understand requirements
Prevailing Wage vs. Union
Key Differences:
| Factor | Prevailing Wage | Union |
|---|---|---|
| Requirement | By law (public work) | By agreement |
| Rates | DIR/DOL rates | CBA rates |
| Fringes | Pay or provide | Contribute to trusts |
| Hiring | Open | Hiring hall |
| Work rules | None specified | Per CBA |
| Reporting | Certified payroll | CPR + trust reports |
Both May Apply:
On public projects, both prevailing wage AND union requirements may exist.
Jurisdictional Issues
What is Jurisdiction?
Which trade performs which work
Disputes Arise When:
- Multiple trades claim same work
- New materials/methods unclear
- Project-specific assignments differ
Resolution:
- Review CBA language
- Local area practice
- Joint board decisions
- Owner direction
- NLRB (if needed)
Employee Relations (Non-Union)
Creating Positive Environment:
| Factor | Best Practice |
|---|---|
| Communication | Regular, honest, two-way |
| Compensation | Market competitive |
| Recognition | Acknowledge good work |
| Development | Training, advancement |
| Safety | Demonstrate commitment |
| Respect | Treat fairly, consistently |
Avoiding Unionization:
Why Workers Organize:
- Feel unheard
- Pay/benefits concerns
- Safety issues
- Unfair treatment
- Poor supervision
Prevention:
- Address issues proactively
- Fair treatment
- Competitive compensation
- Open communication
- Good supervision
If Organizing Occurs:
- Do not threaten, interrogate, promise, spy (TIPS)
- Consult labor counsel immediately
- Follow legal requirements
- Focus on business as usual
Trust Fund Compliance (Union)
Required Contributions:
| Fund | Purpose |
|---|---|
| Health & Welfare | Medical coverage |
| Pension | Retirement benefits |
| Training/Apprenticeship | Workforce development |
| Vacation/Holiday | PTO funding |
| Supplemental | Various |
Reporting Requirements:
- Monthly contribution reports
- Payment by deadline
- Correct classifications
- Audit cooperation
Delinquency Consequences:
- Interest and penalties
- Benefit suspension
- Legal action
- Bond/project issues
Apprenticeship
Union Apprenticeship:
- Registered through JATC
- Specific hours required
- Journeyman/apprentice ratios
- Training requirements
Non-Union Apprenticeship:
- Can register own program
- Or use industry programs
- State requirements apply
- Public work requirements
California Apprenticeship:
- Required on public works
- DAS 142 forms
- Training fund contributions
- Ratio requirements
Labor Law Basics
Key Laws:
| Law | Purpose |
|---|---|
| NLRA | Union organizing rights |
| Davis-Bacon | Federal prevailing wage |
| State prevailing wage | State requirements |
| FLSA | Wage and hour |
| OSHA | Workplace safety |
| Title VII | Anti-discrimination |
Employee Rights:
- Organize (or not organize)
- Safe workplace
- Fair wages
- Non-discrimination
- Protected concerted activity
Best Practices
All Environments:
- Know your legal obligations
- Treat workers fairly
- Pay competitively
- Communicate openly
- Maintain safety
- Document consistently
- Consult experts when needed
Related Documents
- Certified Payroll Compliance
- Prevailing Wage Compliance
- Employee Retention
- Hiring Procedures
Template provided by support.construction. Strong labor relations support project success.