Perform P2H units working in the coal are detailed and documented
Perform cleaning and spraying track excavator that will work in the coal
Perform cleaning and spraying HD OB if the vessel will move into coal
Perform the cleaning process of coal from the OB by using a special excavator (bucket blade) before coal digging
Clean spoil the spoil-front loading area before loading activities
Handpicking do flying rock material above the coal exposure
Prohibited conduct coal exposure is too high (4 meters)
Avoid running water or mud that comes into the front or the loading of coal exposed
1. Make drainage on the toe of the slope of the front loading.2. Make bundwall drainage from coal in situ
1. Do dig coal with a minimum level of 3 meters.
2. Position as shown excavators to dig Seam thick (10 m)
1. Perform excavations in the direction Seam Dip minor.
2. Save the extracted coal from the floor 30cm thick.
Continue digging coal by leaving + / - 10cm and categorize these products as a Hi-Ash Product
Creating channels of each 20-meter excavation progress
Perform excavation in one sequence in the body with inset coal less than 10 cm
Perform the process of coal extraction from the roof to the floor in the coal insert
1. Conduct selective loading of coal in the area difficult (intrusions, inserts and fault).
2. Place a special inspector in this frontloading.
3. Use a small Digger (PC-200 s / d PC 400)
4. Perform excavations on dayshift.
1. Make cleaning the surface of clean coal before digging in the area of intrusion.
2. Put a / ribbon at the intrusion.
3. Use proportional Digger tool for this
4. Place a competent superintendent in the area this frontloading.
Avoid digging coal in the minor dropcut in Seam
Give ribbon blockade on areas prone to contamination
Place the operator and the competent supervisory frontloading prone to contamination, such as: the condition of many inserts, the complex geological structure and prone to landslides
Coal mining activities to do with the maximum size of 50 cm
Position the dig tool (loading path) is right on the front loading of coal.
Excavator position is not accurate because of OB and coal.
Make a space between the roof coal and OB at least 0.5 meters.
1. Do a search to identify materials missing metal at front loading coal or ROM.
2. Make the minutes of the case
1. Conduct fire before it left the front loading.
2. Condition of the above is an example of the left Untidy front loading.
1. Use the wheel support unit dozer or loader in the area of front loading
Function support units wheel dozer / loader:
2. As a cleaner area of front loading
3. Collecting coal is still used as a product of bias
3. Tidying up area of front loading
4. Shortening the time slippery
Use the label on the Seam: loading equipment (excavator, loader) and transport equipment (HD, articulate truck, Dumptruck)
1. Use a special unit to carry coal tailgate
2. Unit on the transport of coal is not recommended because of the potential of the coal spill.
Note :
I. Excavator Unit Classification:
- PC200 - 400 = Small
- PC750 - 1250 = Medium
- PC1600 - 4000 = Great
II. Classification Seam:
- T100, 200.300 = Great
- In addition to the above Seam Seam small / minor.