# Proximity Detection/Collision Warning Information from Technical Support

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            -  Proximity Detection / Collision Warning Information 

MSHA and the mining industry have worked together to develop potentially life-saving technology that can stop machine motion and/or send a warning signal to the machine operator when it detects a person or object in the machine’s path.  Mine operators are increasingly installing these proximity detection systems on mining equipment in surface and underground mines to prevent pinning, crushing, or striking accidents.

**MSHA Approved Proximity Detection Systems for Use in Underground Coal Mines**

Title 30 Code of Federal Regulations (30 CFR) §75.1732 requires operators of underground coal mines to equip place-changing continuous mining machines with proximity detection systems.  MSHA has approved the following systems for use in underground coal mines that meet the "permissibility" requirements in (30 CFR) Part 18.  MSHA approval indicates that MSHA has determined that the system is not a spark or thermal ignition hazard in a potentially explosive atmosphere. Proximity Detection System Performance is evaluated as needed to comply with part 75 regulations. 
                - Joy SmartZone Proximity Detection System
                - Matrix Design Group Intellizone Proximity Detection System
                - Strata Mining Products HazardAvert System

**Collision Warning and Collision Avoidance Systems**

The following manufacturers have developed collision warning and collision avoidance systems for use in surface mines and metal and non-metal underground mines. MSHA Technical Support Engineers reviewed product information from these manufacturers and believes that the products have the potential to reduce certain collision related hazards. However, MSHA is not endorsing these manufacturers or their products because MSHA has not tested nor approved these products. Each mine has unique conditions and features; therefore, MSHA suggests that mine operators evaluate or test products to determine the product’s potential to reduce hazards at their mine.
                - Becker Mining Systems
                - Caterpillar
                - Correct-AI
                - Hexagon
                - Ifm Efector
                - Matrix Design Group
                - Modular Mining Systems, Inc.
                - Newtrax
                - PBE Group
                - Pronto
                - Provix Inc.
                - RCT Global
                - Sensata Technologies
                - Septentrio
                - Strata Worldwide
                - VIA Technologies
                - Wabtec / GE Transportation

**Additional Information**
                - General Inspection Procedures for Proximity Detection Devices
                - NIOSH: Mining Topic: Proximity Detection

For further information on Proximity Detection Systems and current research, please contact Technical Support’s Matthew Wharry, at wharry.matthew@dol.gov and Nicholas Fallova, at fallova.nicholas@dol.gov.