TowerInsure

Typical MSA insurance requirements

Insurance requirement tiers commonly found in turf vendor and tower owner master service agreements. These represent typical ranges across the industry - specific MSA requirements vary by company and project scope.

Tier 1: Standard Subcontractor

Typical for maintenance, L&A, and small crew subcontractors

Coverage LineTypical RequirementNotes
General Liability$1M occurrence / $2M aggregateNo height exclusion
Workers CompensationStatutory limitsRequired in all states except TX (where still typically required by MSA)
Employers Liability$500K / $500K / $500KSome require $1M
Commercial Auto$1M CSLHired & non-owned included
Umbrella/Excess$5MFollow-form, no height exclusion
Additional InsuredBlanket or scheduledPrimary & noncontributory
Waiver of SubrogationRequired on GL, WC, AutoBlanket preferred
Per-Project AggregateRequiredCG 25 03 or equivalent

Tier 2: Tower Erection / Major Builds

Typical for new tower builds, structural modification, and large-scope projects

Coverage LineTypical RequirementNotes
General Liability$1M occurrence / $2M aggregateNo height exclusion, completed ops required
Workers CompensationStatutory limitsTower erection class codes specifically
Employers Liability$1M / $1M / $1MAction-over coverage required
Commercial Auto$1M CSLMCS-90 for HAZMAT if applicable
Umbrella/Excess$10MStacked layers acceptable, no new exclusions
Inland Marine$250K-$500KLeased equipment included
Additional InsuredBlanket requiredCG 20 10 + CG 20 37 or equivalent
Waiver of SubrogationRequired on all linesBlanket
Per-Project AggregateRequiredDedicated limits per project
Professional Liability$1M (if engineering scope)Required for mount analysis, structural review

Tier 3: Prime / Self-Performing GC

Typical for prime contractors, self-performing GCs managing multiple crews and sub-tiers

Coverage LineTypical RequirementNotes
General Liability$2M occurrence / $4M aggregateNo height exclusion, broad form
Workers CompensationStatutory limitsAll class codes, all states of operation
Employers Liability$1M / $1M / $1MAction-over, stop gap where needed
Commercial Auto$2M CSLFull fleet, hired & non-owned
Umbrella/Excess$10M-$25MMay require dedicated tower of limits
Inland Marine$500K-$1MAll owned and leased equipment
Pollution Liability$1M-$2MRequired for decom, generator sites
Professional Liability$2MEngineering, inspection, reporting
Additional InsuredBlanket requiredAll policies, primary & noncontributory
Waiver of SubrogationAll linesBlanket
Per-Project AggregateRequiredDedicated
Subcontractor InsuranceFlow-down requiredSub must carry matching or higher limits
Disclaimer:These are typical ranges observed across turf vendor and tower owner MSAs and do not represent any specific company's requirements. Actual MSA requirements vary. Verify your specific MSA requirements before structuring your insurance program. Dollar figures are not quotes. Last reviewed July 2026.

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