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Insurance Requirements in Construction Bids Explained

December 13, 2025
10 min read
CBConstructionBids.ai Team
Insurance Requirements in Construction Bids Explained

Insurance requirements are a critical but often overlooked aspect of construction bidding. Every project has specific coverage requirements, and failing to meet them can disqualify your bid or create costly problems during contract execution. This guide explains common insurance requirements and how to address them in your bids.

Why Insurance Matters in Bidding

Contract Compliance

Most construction contracts require:

  • Specific coverage types
  • Minimum coverage limits
  • Named insured/additional insured status
  • Certificates of insurance

Risk Transfer

Owners use insurance requirements to:

  • Protect against contractor-caused losses
  • Ensure financial responsibility
  • Transfer risk appropriately
  • Meet their own insurance requirements

Bid Responsiveness

Your bid may be rejected if:

  • You can't meet insurance requirements
  • Coverage is inadequate
  • Required forms aren't provided
  • Limits are insufficient

Core Coverage Types

Commercial General Liability (CGL)

What it covers:

  • Third-party bodily injury
  • Third-party property damage
  • Personal and advertising injury
  • Products and completed operations

Typical requirements:

  • $1,000,000 per occurrence
  • $2,000,000 general aggregate
  • $2,000,000 products/completed operations
  • Higher for larger/riskier projects

Key provisions:

  • Additional insured status for owner
  • Primary and non-contributory
  • Waiver of subrogation

Workers' Compensation

What it covers:

  • Employee work-related injuries
  • Medical expenses
  • Lost wages
  • Death benefits

Requirements:

  • Statutory limits (state requirements)
  • Employers liability:
    • $1,000,000 per accident
    • $1,000,000 disease per employee
    • $1,000,000 disease policy limit

Key considerations:

  • Must cover all employees
  • Compliance with state laws
  • Monopolistic state requirements

Commercial Auto Liability

What it covers:

  • Bodily injury from auto accidents
  • Property damage from auto accidents
  • Owned, hired, and non-owned vehicles

Typical requirements:

  • $1,000,000 combined single limit
  • Cover all vehicle categories
  • May require MCS-90 endorsement

Coverage categories:

  • Owned autos
  • Hired autos
  • Non-owned autos

Umbrella/Excess Liability

What it covers:

  • Amounts above underlying policies
  • Extends CGL, auto, and employers liability
  • Catastrophic loss protection

Typical requirements:

  • $5,000,000 to $25,000,000+ depending on project
  • Follow-form to underlying policies
  • May need to schedule underlying coverages

When required:

  • Large projects
  • High-risk work
  • Public projects
  • Owner policy requirements

Specialty Coverage

Professional Liability (E&O)

What it covers:

  • Design errors and omissions
  • Professional negligence
  • Design-build projects

When required:

  • Design-build contracts
  • Engineering services included
  • Professional recommendations made

Typical limits:

  • $1,000,000 to $5,000,000
  • Per claim and aggregate

Pollution Liability

What it covers:

  • Environmental contamination
  • Cleanup costs
  • Third-party claims

When required:

  • Environmental work
  • Sites with contamination risk
  • Underground work
  • Work near sensitive areas

Types:

  • Contractor's pollution liability (CPL)
  • Site-specific pollution
  • Transportation pollution

Builder's Risk

What it covers:

  • Property damage during construction
  • Materials and equipment
  • Soft costs (extended overhead)

Who provides:

  • Sometimes owner provides
  • Sometimes contractor required
  • Check contract carefully

Key terms:

  • Coverage amount (contract value)
  • Named insureds
  • Perils covered
  • Deductibles

Installation Floater

What it covers:

  • Materials in transit
  • Materials at job site
  • Installed work before completion

When needed:

  • If not covered by builder's risk
  • For equipment installation
  • Material-heavy projects

Contractor's Equipment

What it covers:

  • Owned equipment
  • Rented/leased equipment
  • Tools and machinery

Considerations:

  • Verify coverage amounts
  • Understand deductibles
  • Check rental equipment requirements

Understanding Policy Terms

Additional Insured Status

What it means:

  • Owner added to your policy
  • Covered for your operations
  • Your policy responds first

Standard requirements:

  • CG 20 10 or equivalent
  • CG 20 37 for completed operations
  • Blanket additional insured endorsement

Primary and Non-Contributory

What it means:

  • Your policy pays first
  • Owner's policy doesn't contribute
  • Eliminates coverage disputes

Why required:

  • Protects owner's policy
  • Clear responsibility
  • Standard requirement

Waiver of Subrogation

What it means:

  • Insurer waives right to sue owner
  • Even if owner partially at fault
  • Must be endorsed to policy

Cost impact:

  • May increase premium slightly
  • Standard on construction policies
  • Usually included automatically

Notice Requirements

Common requirements:

  • Notice of cancellation to owner
  • Typically 30 days advance notice
  • 10 days for non-payment

Your responsibility:

  • Ensure endorsements are in place
  • Provide accurate certificates
  • Notify of policy changes

Insurance Certificates

What They Are

Certificates of Insurance (COIs) document:

  • Coverage types
  • Policy numbers
  • Coverage limits
  • Named insureds
  • Additional insureds
  • Policy periods

Standard Form

ACORD forms:

  • ACORD 25 (certificate of liability)
  • ACORD 28 (property evidence)
  • Industry standard
  • Recognized by all parties

What to Include

Certificate should show:

  • All required coverage types
  • Limits meeting requirements
  • Additional insured status
  • Endorsements as required
  • Current policy period

Common Certificate Issues

Problems to avoid:

  • Expired certificates
  • Limits below requirements
  • Missing coverage types
  • Incorrect additional insureds
  • No endorsements noted

Meeting Requirements

Review Before Bidding

Check requirements early:

  • Read insurance specifications
  • Note specific limits
  • Identify unusual requirements
  • Verify you can comply

Work with Your Broker

Before bidding:

  • Review project requirements
  • Confirm coverage availability
  • Understand cost impact
  • Address any gaps

Request:

  • Updated certificates
  • Required endorsements
  • Premium quotes if needed
  • Compliance confirmation

Cost Considerations

Budget for:

  • Premium allocation to project
  • Endorsement costs
  • Higher limits premium
  • Specialty coverage

Common Requirement Issues

Limits Too High

If required limits exceed your policy:

  • Request umbrella quote
  • Project-specific coverage
  • Negotiate with owner
  • Consider passing on bid

Unavailable Coverage

If coverage isn't available:

  • Discuss alternatives with owner
  • Propose equivalent protection
  • Consider joint ventures
  • May need to decline

Unusual Requirements

For non-standard requests:

  • Clarify intent with owner
  • Work with specialized broker
  • Understand risk transfer goal
  • Negotiate reasonable terms

Insurance in Your Bid

Pricing Insurance Costs

Include in your estimate:

  • Premium allocation
  • Additional endorsement costs
  • Deductible exposure
  • Administrative costs

Calculation approaches:

  • Per $1,000 of payroll (workers' comp)
  • Per $1,000 of contract value (CGL)
  • Project-specific quotes

Compliance Documentation

Provide with bid:

  • Current certificates if requested
  • Confirmation of ability to comply
  • Note any exceptions or conditions

Post-Award Requirements

Be prepared to provide:

  • Updated certificates
  • Policy endorsements
  • Evidence of premium payment
  • Ongoing compliance documentation

Subcontractor Insurance

Flow-Down Requirements

As GC, require subs to:

  • Meet project insurance requirements
  • Name you as additional insured
  • Provide certificates before work
  • Maintain coverage throughout

Verification Process

Track:

  • Sub certificates received
  • Coverage verification
  • Expiration dates
  • Compliance documentation

Risk Management

Protect yourself by:

  • Not allowing uninsured subs
  • Verifying coverage is adequate
  • Maintaining records
  • Including in subcontract

Conclusion

Insurance requirements are non-negotiable elements of construction bidding. Understanding and meeting these requirements is essential for:

  • Submitting compliant bids
  • Executing contracts
  • Managing risk
  • Protecting your business

Work closely with your insurance broker to understand your coverage, meet project requirements, and price insurance costs appropriately. Review requirements early in the bid process and address any gaps before submission.

Remember: insurance is a business expense that protects both you and project owners. Price it into your bids, maintain proper coverage, and provide documentation promptly. It's a fundamental part of professional construction contracting.


ConstructionBids.ai displays insurance requirements in project details, helping you quickly identify any special coverage needs before investing time in bidding.

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