Blasting, Heavy Iron, and Dust — Governed by MSHA, Not OSHA.
Protecting mines, quarries, and aggregate operations
Mines, quarries, sand and gravel and aggregate operations, and pits extract and process rock and minerals — and their signature hazards are catastrophic operational events: cave-ins, blasting, massive mobile equipment, and the respirable silica dust that drives long-latency disease. The defining feature is severity combined with a distinct regulatory world: this industry answers to the Mine Safety and Health Administration, not OSHA, under a mandatory-inspection regime far stricter than general industry, while carrying heavy fixed and mobile equipment and significant environmental liability. A mining or quarry operation needs coverage built around catastrophic worker exposure, heavy equipment, and environmental risk. This is a specialized corner of extraction and heavy-industry insurance where pollution liability is as central as the equipment itself.
Properly structured coverage protects the crew, the processing plant, and the land the operation disturbs.
The Mine Operator's Signature Exposures
The defining exposure is catastrophic operational severity — cave-ins, highwall and bench failures, blasting accidents, and massive haul trucks and loaders on steep roads produce fatal and crushing injuries, and respirable silica and other dust create long-latency occupational disease that surfaces years after exposure. Around that sits a blasting liability unique to extraction: vibration and flyrock from a shot can crack neighboring foundations, break windows, and injure people off-site, generating third-party claims. Heavy fixed plant — crushers, conveyors, screens, and processing equipment — represents concentrated value exposed to mechanical and electrical breakdown, and mobile equipment runs in punishing conditions. Significant environmental liability runs through the whole operation: tailings impoundments, acid mine drainage, sediment runoff, and fugitive dust, backed by legally mandated reclamation obligations that must be bonded.
Key Risks in Mining & Quarrying
Mine and quarry operators face exposure related to:
Worker injuries from heavy equipment, cave-ins, blasting, and haul-road accidents
Silica and respirable-dust long-latency occupational disease
Blasting liability from vibration and flyrock damaging neighboring property or people
Crusher, conveyor, and haul-truck equipment damage and breakdown
Environmental harm from tailings, acid mine drainage, runoff, and fugitive dust
Reclamation obligations owed under state mining permits
Catastrophic worker injury and environmental liability are what most define the operation.
Core Coverages for Mines & Quarries
A properly built mining program typically includes:
Workers' Compensation — Provides legally required coverage for the severe injuries and long-latency dust disease that dominate the class — a severe line.
Property & Equipment Breakdown — Cover the processing plant and the sudden mechanical or electrical failure of crushers, conveyors, screens, and motors.
Inland Marine / Mobile Equipment — Covers haul trucks, loaders, excavators, and drills working in rough conditions.
General Liability — Covers premises and operations liability, including blasting vibration and flyrock damage.
Pollution / Environmental Liability — Addresses tailings, acid mine drainage, sediment runoff, and fugitive-dust claims.
Commercial Auto — Covers over-the-road trucks hauling aggregate and material.
Umbrella / Excess Liability — Adds higher limits above the primary program given blasting and environmental severity.
Surety / Reclamation Bonds — Guarantee the mandated reclamation and restoration obligations to the state.
What's Commonly Overlooked
Mining programs are most often weakened by:
Blasting vibration and flyrock excluded or sub-limited on the general-liability form
No environmental coverage for tailings, drainage, or long-term dust and runoff
Silica and respirable-dust disease under-reserved in the workers'-comp program
Equipment breakdown omitted on the crushing and processing plant
Reclamation bonding treated as an afterthought rather than a secured obligation
The gap that hurts most is uninsured environmental liability from tailings, drainage, or dust that surfaces years later.
Real-World Claim Examples
A haul truck or loader accident on a steep road kills or maims a worker
A blast sends flyrock or vibration into neighboring property and injures a bystander
A crusher or conveyor suffers a major mechanical breakdown and idles the plant
A tailings impoundment or runoff event contaminates a waterway
A long-latency silica-disease claim arises from years of dust exposure
Any one of these can be severe, and the blasting and environmental claims are the most distinctive.
Regulatory & Safety Context
Mining answers to the Mine Safety and Health Administration under the Federal Mine Safety and Health Act, which mandates regular inspections and sets standards far stricter than OSHA's general-industry rules and is the governing regulator for the class. The EPA regulates the environmental side through CERCLA liability for contamination, the Clean Water Act for discharges and runoff, and tailings and mine-waste rules, while state mining agencies issue extraction and reclamation permits and require reclamation bonds. The ATF licenses and regulates explosives storage and blasting, and dust exposure is governed by MSHA respirable-silica standards.
Why Proper Placement Matters
Underwriters weigh the commodity and method, whether the operation is surface or underground, the presence and scale of blasting, environmental and reclamation exposure, equipment values, and loss history, scrutinizing the MSHA record, dust controls, and tailings management. Mining and quarrying place largely in the hard excess-and-surplus-lines and specialty mining market because of the severity and environmental overlay, and the commodity, blasting, and environmental profile drive both appetite and price. Securing environmental coverage, scheduling equipment correctly, and bonding reclamation are what keep the program sound.
Our Approach
At Cory Washington & Co., we insure mines and quarries around catastrophic worker exposure, heavy equipment, and environmental risk — structuring workers' comp for severity and dust disease, insuring the crushing plant with equipment breakdown, confirming blasting and environmental liability base forms limit, and coordinating the reclamation bonding the state requires. We also insure related heavy operations, including the pollution-liability and environmental exposure, equipment-breakdown for processing plants, and workers' compensation for severe-injury classes.
Blasting, heavy iron, and dust, governed by MSHA, not OSHA — we build coverage around the severity and the environment that standard forms were never written for.
All insurance descriptions on this website are provided by Cory Washington & Co. LLC strictly for general informational purposes. They are not intended to be, and should not be relied upon as, legal, financial, or insurance advice. The information presented is general in nature and does not guarantee the availability, terms, conditions, or scope of any insurance coverage. Actual coverage is determined solely by the specific policy language issued by the insurer and remains subject to underwriting approval. Nothing on this website creates or implies an agent-client relationship, binds coverage, or alters any existing policy. Cory Washington & Co. LLC expressly disclaims any liability for actions taken, or not taken, based on the content provided here. For advice regarding your particular situation, please consult directly with a licensed insurance professional at Cory Washington & Co. LLC or another qualified insurance professional, and always review your policy documents in full.
See the coverages a mining & quarrying business may carry — core, prevalent, and situational — plus the gap most often missed, in the Mining & Quarrying Coverage Checklist.
Complete the Mining & Quarrying Supplemental online in a few guided steps, download the fillable PDF, or browse all applications.
Frequently Asked Questions
How do I get mining & quarrying insurance through Cory Washington & Co.?
Request a quote or contact our team. We start with a short conversation about your operations, analyze your exposures, then negotiate mining & quarrying insurance across multiple carriers that compete for your account and present options with the trade-offs explained. Cory Washington & Co. LLC is licensed in all 50 states.
What does mining & quarrying insurance cost?
Premiums vary from business to business. The main drivers of mining & quarrying insurance pricing are the nature of your operations, your revenue and payroll, your loss history, and the limits you carry. Rather than quote a flat figure, we negotiate across several markets and walk you through the options, so you only pay for the protection you actually need.
Is mining & quarrying insurance required?
Requirements vary. Mining & quarrying insurance may be mandated by statute, or required under your contracts, leases, or loan agreements — and in many cases it is simply prudent given the risks involved. We look at your specific obligations and exposures, then recommend the coverage and limits that fit.
What if another agency has already declined or non-renewed my coverage?
Difficult, specialty, and previously-declined placements are a core part of our work. We access excess & surplus (E&S) and specialty markets that many generalist agencies cannot, and we explain the trade-offs clearly so you can decide with confidence.
Available in all 50 states. See how requirements differ in California, Texas, Florida, New York, or choose your state.