ChecklistGuro Mine Ventilation Dilution Checklist
Ensure optimal air quality and worker safety! This Mine Ventilation Dilution Checklist provides a step-by-step guide to verify adequate ventilation dilution ratios, minimizing hazards and maximizing operational efficiency. Download now and protect your mining workforce.
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Pre-Shift Ventilation Checks
Initial assessment of ventilation system functionality before commencement of shift operations.
Shift Start Time
Ventilation System Status (Pre-Shift)
Pre-Shift Ventilation Fan RPM (Fan 1)
Pre-Shift Ventilation Fan RPM (Fan 2 - if applicable)
Emergency Ventilation System Availability
Notes on Pre-Shift Ventilation Condition
Airflow Measurement
Verification of airflow rates at strategic locations within the mine.
Airflow Rate (m³/s)
Airflow Rate (CFM)
Measurement Location (GPS Coordinates)
Measurement Device Used
Pitot Tube Pressure (Pa)
Measurement Time
Notes on Measurement Conditions
Dilution Factor Calculation
Determination of dilution factors to ensure acceptable air quality.
Gas Emission Rate (m³/s)
Airflow to Mining Area (m³/s)
Total Airflow (m³/s)
Dilution Factor
Gas Type (Primary Contributor)
Notes/Comments on Calculation
Date of Calculation
Gas Monitoring
Monitoring of methane, carbon monoxide, and other hazardous gases.
Monitoring Start Time
Methane Concentration (ppm)
Carbon Monoxide Concentration (ppm)
Oxygen Concentration (%)
Gas Detection Equipment Model
Calibration Expiration Date (YYYY-MM-DD)
Gas Monitoring Notes
Ventilation Control Settings
Review of ventilation control system parameters and adjustments as needed.
Fan Speed (RPM)
Air Volume (m³/s)
Ventilation Pressure (Pa)
Ventilation Mode
Time of Adjustment
Reason for Adjustment
Control System Status
Fan Performance Evaluation
Assessment of fan RPM, power consumption, and overall efficiency.
Fan RPM (Revolutions Per Minute)
Motor Amperage (Amps)
Static Pressure (inches of water)
Air Volume (CFM or m³/s)
Fan Noise Level (Subjective)
Fan Vibration Observation (Describe)
Fan Efficiency Rating (if available)
Last Maintenance Date
Stoping Area Ventilation
Specific ventilation checks for active stoping areas.
Airflow (m³/s) at Face
Gas Concentration (methane, %) at Face
Distance to Nearest Ventilation Control Panel (m)
Ventilation Direction (as per plan)
Observations & Deviations
Time of Ventilation Check
Potential Hazards Identified
Return Airway Assessment
Evaluation of airways used for return airflow.
Airflow Measurement (m³/s)
Description of Airway Condition
Evidence of Scaling/Support Required?
Potential Hazards Observed
Return Airway Location
Date of Assessment
Ventilation Obstruction Check
Identification and correction of any obstructions affecting airflow.
Obstruction Location (GPS Coordinates)
Type of Obstruction
Detailed Description of Obstruction
Estimated Obstruction Volume (m³)
Impact on Airflow?
Photo of Obstruction
Time Obstruction Notified
Record Keeping & Reporting
Documentation of ventilation data and reporting of any discrepancies.
Date of Ventilation Dilution Check
Time of Ventilation Dilution Check
Average Methane Concentration (ppm)
Average Carbon Monoxide Concentration (ppm)
Dilution Factor Achieved
Dilution Factor Acceptance Status
Observations & Deviations
Ventilation Officer Signature
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