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DBT RCCM

DBT RCCM
Start of Shift Activities Examine Workplace Conduct dust parameter exam Conduct walk-around (power off) Conduct walk-around (power on) Machine Startup Cutting Coal Main Topic Loading Shuttle Cars Place Change Cable Handling and  Slack Ropes Turn Crosscut to the Right Job Duties Between Cuts  End of Shift Activities
1. Start of Shift Activities
Be on time P2
Company policy
Change into work clothes
Obtain safety equipment P2
Hard toe shoes
Hard hat P2
Gloves
Get Kevlar gloves
Company safety policy (PPE)
Get rubber gloves
Company safety policy (PPE)
Hearing protection
Company safety policy (PPE)
Safety glasses P2
Miners belt
Check tags
SR100 SCSR P2
Worn on belt
Check SCSR
Check indicator
Check for damage
Check heat sensor(if equipped)
Check reflective material
Better visibility of personnel underground
Harness
Hard hat
Clothes
Light
Inspect for conditions that compromise permissibility
Check lens cap lock in place
Cable insulation condition
Check water level in battery
Check function of both bulbs
Tag in
Check for hand tools
Hammer
Spray wrench
Utility knife
Channel locks
Screwdriver
Extra water sprays
Get methane spotter P2
Liberates over 1 mcf in 24 hours (review properties of methane)
Check battery
Check calibration
Check for physical damage to case
Check previous shift maintenance report
Look for down time
Check for potential problems
Report to section foreman
Get communications radios
Conduct radio check
Conduct visual exam
Take spare battery
Obtain velometer P2
Check supply of bits
Check for proper pull ropes or straps
Get on slope car/elevator
Wear safety glasses
Get on man trip when arriving at bottom
Keep safety glasses on
Keep arms and legs inside mantrip
2. Examine Workplace
Examine roof P3
Examine ribs P2
Examine for slipping and tripping hazards P2
Check power supply breakers from cat head
Check proper breaker setting
Check for insulation mat
Check for proper labeling P2
Check for cable insulation damage P2
Scrapes, bruises, improper splices, worn splices
Check for restraining clamp
Check with previous shift when arriving on section for location of equipment
Observe for moving equipment P2
Everyone needs to communicate and be visible
Check roof and rib conditions P3
Check bottom conditions P2
Check for slipping and tripping conditions
Check ventilation controls P3
Fix any problems with ventilation controls P3
Check for accumulation of spillage P3
Check for advancement slack in cable P2
Check for other cables in the general area P2
Bolters
Shuttle cars
Check for water supply leaks
Check restraining clamp at the miner P2
Check the conduit is in restraining clamp around the cable P2
Check slate bar on miner
Proper use of slate bar
Check sledge hammer
Check cleanliness of miner P2
Check for methane probe or magnet in holder
Check for damage to probe cradle
3. Conduct dust parameter exam
Energize machine
Knock tram breaker P2
Knock cutter breaker P2
Check water pressure on the gauges for sprays
Review methane, ventilation and dust control plan
Turn scrubber on
Check flow with pitot tube
Take 3 readings and average them
Turn sprays on
Turn sprays off
Must maintain at least 50 psi in order to meet regulations (refer to plan)
Observe spray discharge
Check for excessive leaks on miner and water hose
Check cut ventilation
Report completion of exam to foreman
Foreman is required to record
4. Conduct walk-around (power off)
Place miner at intersection P2
Complete the mining cycle cut, then move miner to intersection for pre-op checks
Conduct workplace safety exam P3
De-energize the miner at the machine
Check for leaks (oil or water)
Check cutter drums for foreign objects (line curtain, cable bolts and electrical cable fragments) P2
Check the cat seals on cutter head P2
Observe openings in drum area for oil leaks
Check all lights
Check light covers P2
Check lens P2
Check packing glands
Check conduit
Check for loose or missing bolts P2
Check that methane monitor is securely mounted and cap is clean
Check for all guards, rub rails, and panel covers in place P2
Ensure all pins and rub rails are in place P2
Reference to the diagram provided by manufacturer
Visually check water pressure gage
Minimum 50 psi head spray
Check and set bits P2
Cat head has to be locked and tagged out before bits can be set
Check conveyor chain P2
Damage, slack, missing flights, flex board bolts, loose or missing shims, broken take-up springs
5. Conduct walk-around (power on)
Check methane monitor P3
Ensure correct calibration to handheld detector
Depress self-test button P3
Observe for flash at 1% and shutdown at 1.5 %
Check function of on-board E-stops P2
Check remote circuit breaker reset P3
Check each shift
Check emergency stop function on remote box P3
Must kick breaker on power center
Check cats.. for slack and spray operation P2
Also look at pins and cracked pads
Visually check head sprays P2
Check for pressure, function, and for missing sprays Minimum working sprays, refer to approved ventilation plan
Check operation of scrubber system P3
Check filter cleanliness P3
Ensure ductwork is clean P3
Ensure sump is clean P3
Clean by back flush
Check that plug is in sump bottom and in good condition P3
Ensure demister is clean P3
Clean by back flush
Check scrubber system sprays P3
Check scrubber door seal P3
Ensure minimum quantity of air in system P3
Refer to approved ventilation plan
Try all remote box functions for proper operation P3
Be sure that all personnel are clear of the RED ZONE
Give a LOUD verbal warning before starting pump motors
Operate tram enable P3
Operate panic switch P3
Activate fire suppression P3
Operate all other control functions P3
6. Machine Startup
Make methane test P3
Review the properties of methane
Check ventilation P3
Conduct workplace exam P3
At each cut
Attach slack ropes P2
Depends on mining cycle
Start the machine P2
Clear RED ZONE P3
Signal start P3
Start pump motor P3
Hold shift button and hold pump start button simultaneously. Forced potato start functions may vary, refer to remote type
Tram inby
Activate tram enable P3
Twice for high tram speed
If cats are split, tram speed is automatically reduced to low speed
Position yourself clear of RED ZONE P3
Refer to RED ZONE diagram
Activate forward tram switch P3
CAUTION: When moving from the rear of the machine to the front of the machine to tram, operator may become disoriented with control functions
7. Cutting Coal
Do not cut any face until
Bolted, cleaned up and rock dusted P3
Within 4 feet of the face
Warning device installed second to last row of bolts
Setup on curtain side P2
Curtain side with blowing ventilation on the right side and exhausting is on the left side
Check center lines P3
Explain reference points on machine
Check air at the start and periodically through the cut P3
Use velometer to measure air movement
Start the ripper head P3
CAUTION: Give a LOUD verbal warning before starting ripper head. Make sure cutter heads are off the bottom, slightly away from face and below the roof.
Hold shift and pull cutter toggle down
Release toggle after start
Water turns on automatically, if head sprays do not turn on, shut miner down
Engage tram enable switch
Tram forward
Both cats
Both cats will remain in low speed forward as long as you are cutting. Refer to manufacturer's specifications for additional information on shearing speed control
Sump into coal
Bottom first, then cut up
Back the miner up one drum width
This also dresses the bottom
Raise the head, cut into top
Sump down
Repeat cycle until number 1 lift is complete
Advance line curtain P3
Explain how to roll up curtain
According to plan
Do workplace exam P3
Check air P3
Examine for methane P3
Every 20 minutes maximum
Reposition the miner
If curtain side cut first while staying out of the RED ZONE reposition the miner on the opposite side paying attention to your cut width. Refer to roof control plan
Remove number 2 lift
Repeat cut cycle for lifts 3 and 4
Cleanup
Clean right side
Clean left side
Back miner at least 4 bolt rows P3
After cleanup is completed
Shut miner down
Adjust line curtain P3
Hang warning device P3
Reflectors, ribbons, and/or signs
Make final gas examination P3
8. Main Topic
9. Loading Shuttle Cars
Precut coal P2
Place miner boom in center of shuttle car P3
Not against the top
Not laying in bed of shuttle car
Transmitter hydraulic functions do not require shifting
Start conveyor
Hold shift toggle up
Hold up on conveyor on toggle
Release after conveyor starts
Load shuttle car P3
Communicate with shuttle car operator P2
Do not overload the back of the car P2
Position yourself out of miner RED ZONE P3
Be visible P3
Clothing, cap light toward car man
Position yourself away from shuttle car P3
Think about your body position
10. Place Change
Attach slack rope to the miner P2
Shut miner down P3
Shift key down
Any time you attach additional slack rope, follow this procedure
Push up on pump toggle
Restart miner out of the RED ZONE P3
Yell LOUDLY "starting the miner"
Tram to next cut P3
Tram enable has to be re-energized if not used within 3 seconds from time it is released
Ensure that all personnel are out of RED ZONE P3
11. Cable Handling and Slack Ropes
Back miner until you can attach the pull rope to the miner
Usually one length of the miner
Shut off miner P3
Be aware of RED ZONE
Wear gloves P1
Attach pull rope to the pan hooks on miner
Position yourself outside of the RED ZONE P3
Restart the miner
Repeat the cycle until desired location is reached
Pulling forward, ropes attached P3
Be sure to drop proper ropes off to prevent knots
Shut off miner P3
Wear rubber gloves P3
Drop one loop of cable at a time P2
Be sure to drop proper ropes off to prevent knots
Position yourself outside of RED ZONE P3
Restart miner
Tram forward
Repeat cycle until you are at the next place
Remember, must have enough slack to take next cut
Get help to hang cable at necessary locations P3
12. Turn Crosscut to the Right
Conduct workplace exam P3
Ensure crosscut is marked off P3
Mark off the outby rib line
Install warning devices 2 full rows back from outby rib line P3
Position yourself out of the RED ZONE P3
Turn miner on
Yell LOUDLY "starting the miner"
Position right hand side of cutter head on the mark at the outby rib line P3
Start the cutter head
Yell LOUDLY "starting the cutter head"
Keep repeating short angle cuts until the miner is turned 90 degrees P2
If permanent roof support has been damaged in any way, move back 2 rows
Advance line curtain P3
Cleanup P2
Make methane check P3
Checks not to exceed 20 minutes
Remove miner to next cut
Repeat place change process
13. Job Duties Between Cuts
Position the miner in the crosscut P3
Leave cutter head off the bottom at least 2 inches P3
Shut down miner P3
Lockout and tagout at cat head power center P3
Perform scrubber maintenance P3
Clean ductwork P3
Pull screen out, tap it, and spray it P3
Spray the demister P3
Spray out the sump P3
Change bits P3
Wear safety glasses P3
Rotate head manually
Use tool
Use rock bar or pipe P2
Ask for help to turn head P2
Remove old bits P2
Place in bucket, give to scoop man for disposal
Try to get a car man to change bits
Remove personnel from RED ZONE P3
Re-energize miner
Clean miner P3
Wear gloves
Break pieces with sledge if possible
Remove large pieces with chain
Do not use existing roof support for an anchor
Hose coal dust off miner P2
Hose crossover tubes at conveyor P2
At front of conveyor
Use high pressure water
Be careful not to get under boom
Also spray out conveyor pivot between conveyor swing jack bracket and flex boards
14. End of Shift Activities
Park machine between blocks outby last open cross cut last shift of the week P2
Conduct final ventilation check on last shift before weekends P2
Conduct a red button transmitter check on the remote box at the end of every second shift P2
Check radio control battery backup on the fire suppression system every Tuesday at the end of second shift P3
Company policy
Communicate with oncoming shift P3
Get on slope car/elevator
Wear safety glasses
Get on man trip when arriving at bottom
Turn in equipment P2
Including light P2
Tag out
Turn in methane spotter P2
Turn in radio