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

1 von 10

Initial assessment of ventilation system functionality before commencement of shift operations.

Shift Start Time

00:00
00:15
00:30
00:45
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01:15
01:30
01:45
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02:15
02:30
02:45
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21:00
21:15
21:30
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22:00
22:15
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23:00
23:15
23:30
23:45

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

2 von 10

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

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
02:30
02:45
03:00
03:15
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04:00
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05:00
05:15
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06:00
06:15
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07:00
07:15
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08:00
08:15
08:30
08:45
09:00
09:15
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09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
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14:00
14:15
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15:00
15:15
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16:00
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17:00
17:15
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18:00
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19:00
19:15
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20:00
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21:00
21:15
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22:00
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23:00
23:15
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23:45

Notes on Measurement Conditions

Dilution Factor Calculation

3 von 10

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

4 von 10

Monitoring of methane, carbon monoxide, and other hazardous gases.

Monitoring Start Time

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
02:30
02:45
03:00
03:15
03:30
03:45
04:00
04:15
04:30
04:45
05:00
05:15
05:30
05:45
06:00
06:15
06:30
06:45
07:00
07:15
07:30
07:45
08:00
08:15
08:30
08:45
09:00
09:15
09:30
09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:45
15:00
15:15
15:30
15:45
16:00
16:15
16:30
16:45
17:00
17:15
17:30
17:45
18:00
18:15
18:30
18:45
19:00
19:15
19:30
19:45
20:00
20:15
20:30
20:45
21:00
21:15
21:30
21:45
22:00
22:15
22:30
22:45
23:00
23:15
23:30
23:45

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

5 von 10

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

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
02:30
02:45
03:00
03:15
03:30
03:45
04:00
04:15
04:30
04:45
05:00
05:15
05:30
05:45
06:00
06:15
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06:45
07:00
07:15
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07:45
08:00
08:15
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09:00
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09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
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12:45
13:00
13:15
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14:00
14:15
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15:00
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16:00
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19:00
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20:00
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21:00
21:15
21:30
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22:00
22:15
22:30
22:45
23:00
23:15
23:30
23:45

Reason for Adjustment

Control System Status

Fan Performance Evaluation

6 von 10

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

7 von 10

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

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
02:30
02:45
03:00
03:15
03:30
03:45
04:00
04:15
04:30
04:45
05:00
05:15
05:30
05:45
06:00
06:15
06:30
06:45
07:00
07:15
07:30
07:45
08:00
08:15
08:30
08:45
09:00
09:15
09:30
09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:45
15:00
15:15
15:30
15:45
16:00
16:15
16:30
16:45
17:00
17:15
17:30
17:45
18:00
18:15
18:30
18:45
19:00
19:15
19:30
19:45
20:00
20:15
20:30
20:45
21:00
21:15
21:30
21:45
22:00
22:15
22:30
22:45
23:00
23:15
23:30
23:45

Potential Hazards Identified

Return Airway Assessment

8 von 10

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

9 von 10

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

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
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02:45
03:00
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04:00
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05:00
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06:00
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07:00
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08:00
08:15
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09:00
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10:00
10:15
10:30
10:45
11:00
11:15
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11:45
12:00
12:15
12:30
12:45
13:00
13:15
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13:45
14:00
14:15
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14:45
15:00
15:15
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15:45
16:00
16:15
16:30
16:45
17:00
17:15
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17:45
18:00
18:15
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18:45
19:00
19:15
19:30
19:45
20:00
20:15
20:30
20:45
21:00
21:15
21:30
21:45
22:00
22:15
22:30
22:45
23:00
23:15
23:30
23:45

Record Keeping & Reporting

10 von 10

Documentation of ventilation data and reporting of any discrepancies.

Date of Ventilation Dilution Check

Time of Ventilation Dilution Check

00:00
00:15
00:30
00:45
01:00
01:15
01:30
01:45
02:00
02:15
02:30
02:45
03:00
03:15
03:30
03:45
04:00
04:15
04:30
04:45
05:00
05:15
05:30
05:45
06:00
06:15
06:30
06:45
07:00
07:15
07:30
07:45
08:00
08:15
08:30
08:45
09:00
09:15
09:30
09:45
10:00
10:15
10:30
10:45
11:00
11:15
11:30
11:45
12:00
12:15
12:30
12:45
13:00
13:15
13:30
13:45
14:00
14:15
14:30
14:45
15:00
15:15
15:30
15:45
16:00
16:15
16:30
16:45
17:00
17:15
17:30
17:45
18:00
18:15
18:30
18:45
19:00
19:15
19:30
19:45
20:00
20:15
20:30
20:45
21:00
21:15
21:30
21:45
22:00
22:15
22:30
22:45
23:00
23:15
23:30
23:45

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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