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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:

TypeDescription
Union (Signatory)Agreements with trade unions
Non-Union (Open Shop)No union agreements
Double-BreastedRelated union and non-union companies
Merit ShopNon-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:

RequirementObligation
Wage ratesPay scale per CBA
FringesContribute to funds
HiringUse hiring hall
Work rulesFollow CBA provisions
ReportingCertified 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:

FactorPrevailing WageUnion
RequirementBy law (public work)By agreement
RatesDIR/DOL ratesCBA rates
FringesPay or provideContribute to trusts
HiringOpenHiring hall
Work rulesNone specifiedPer CBA
ReportingCertified payrollCPR + 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:

FactorBest Practice
CommunicationRegular, honest, two-way
CompensationMarket competitive
RecognitionAcknowledge good work
DevelopmentTraining, advancement
SafetyDemonstrate commitment
RespectTreat 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:

FundPurpose
Health & WelfareMedical coverage
PensionRetirement benefits
Training/ApprenticeshipWorkforce development
Vacation/HolidayPTO funding
SupplementalVarious

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:

LawPurpose
NLRAUnion organizing rights
Davis-BaconFederal prevailing wage
State prevailing wageState requirements
FLSAWage and hour
OSHAWorkplace safety
Title VIIAnti-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

  • Certified Payroll Compliance
  • Prevailing Wage Compliance
  • Employee Retention
  • Hiring Procedures

Template provided by support.construction. Strong labor relations support project success.