MSHA - Interactive Training - JTA Spiders - Table of Contents

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	Hand Scaler
	Contact: Palmer.Melvin@dol.gov

1. Orientation (Outside)

Explain about carbon monoxide

Symptoms of exposure

Notify foreman of exposure

Explain about oxides of nitrogen

Symptoms of exposure

Notify foreman of exposure

Explain that shots have to be watered before scaling

Explain safety equipment

Explain safety harness

Check in/out tags

Explain scaling bar

Lenght (minimum of 6 feet)

Explain damage you find

Keeping tip sharp

Explain purpose of rubber cab on end of bar

Paint for dates

Hazard Communication

Location of Material Safety Data Sheets

Discuss types of hazard chemicals

Review/discuss Hazcom Program

Discuss geology/black seams

2. Pre-shift Meeting

Foreman discusses conditions underground (Equipment/Environment) - if necessary

Foreman gives location/heading to scale

Enter Sub-topic

Decide which machine to use

Location of machine/s

Determine which type of scaling

Enter Sub-topic

3. Preshift Equipment

Check fluid levels

Fuel

Physical Walkaround (outside cab)

Inside Cab (Engine On)

Fire extinquisher

Gage

Seal

Standard transmission

Check/set park brake

Start pony motor

On position - left side

On/off switch - right side

Legs/Outriggers

Clear area around machine

Extraneous materials

Set legs/outriggers

Check leveling of machine

Check for air/fluid leaks

Check boom/basket

Check movement in all directions

Switch controls to basket

Check boom bolts

Check for welds/cracks/breakage/hoses (boom and basket)

Personal Protective Equipment

Movement/swivel

Controls/Switch

Repeat movement tests

Foot pedal/deadman

Retract legs/outriggers

Switch to ground control

Check fluid levels

Fuel

Physical Walkaround

Fire extinquisher

Gage

Seal

Check/set park brake

Check for air/fluid leaks

Check boom/basket

Check movement in all directions

Switch controls to basket

Check boom bolts

Check for welds/cracks/breakage/hoses (boom and basket)

Check ground level controls

Personal Protective Equipment

Movement/swivel

Controls/Switch

Repeat movement tests

Foot pedal/deadman

Position vehicle

Determine set-up location

Type of pile/shot

Previous scaling

Previous date/scaling marks

Observe the G's

Do not scale into/or near tunnel where blasters are

Start pony motor

On position - left side

On/off switch - right side

Legs/Outriggers

Clear area around machine

Extraneous materials

Set legs/outriggers

Check leveling of machine

Check for air/fluid leaks

Operate boom/basket

Personal Protective Equipment

Movement/swivel

Controls/Switch

Repeat movement tests

Foot pedal/deadman

JLG

Position vehicle

Determine set-up location

Type of pile/shot

Previous scaling

Previous date/scaling marks

Observe the G's

Do not scale into/or near tunnel where blasters are

Check for air/fluid leaks

Operate boom/basket

Personal Protective Equipment

Movement/swivel

Controls/Switch

Repeat movement tests

Foot pedal/deadman

Clear around the machine

Extraneous Materials

5. Abnormal/Emergency Procedures

Basket stuck in air

Radio mechanics

Without radio communications

Use spotlight (blinking to attract attention)

Do not attempt to climb down boom

Contact foreman

Consider bolting

Dealing with roof water

Contact foreman

Assess/determine seriousness of injury

Contact foreman/call for help

Follow emergency Plan

Provide first-aid

Fire

Assess/determine extent of fire

Extinquish, if possible

Activate mine notification system

Follow mine escape plan

6. End of Shift Procedures

Parking vehicle

Determine location based on weather

Point wheels to rib

Apply air brakes

Place radio on charger

Submit paperwork

Communicate to foreman any hazardous conditions

7. Shutdown Procedures

Paint date on roof where you stopped at

Paint date on ribs at loader window height

Bring boom down center of truck

Clear area around machine

Contact foreman and tell him of intent to move

Receive instructions from foreman

Retract legs/outriggers

Shut down pony motor

JLG

Paint date on roof where you stopped at

Paint date on ribs at loader window height

Bring boom down

Insert locking pin in center of boom

8. Hand Scaling

Hook lanyard up

Have radio/rescuer

Personal Protective Equipment

Muck Pile scaling

Scaling pattern depends on lay of rock

Five foot advances

Roof, rib, advance and repeat

Do not take boom past the side outriggers (elliot only)

Paint line (2-3 feet) where you stop scaling, enter date in front of the line

Scaling pattern depends on lay of rock

Five foot advances

Roof, rib, advance and repeat

Do not take boom past the side outriggers (elliot only)

Measure 24' from floor and paint solid line (2-3' in length)

Show scaling completion by dropping down 4' and painting another line with date between two lines

Do not take boom past the side outriggers (eliot only)

Scale pattern depends on lay or rock

Five foot advances

Roof, rib, advance and repeat

Roof must be scaled five foot inby areas where bottom has been shot or to the face

Draw 2-3 foot "X" with month on left of X and day on right of X indicating bottom is ready to drill

Evaluating ground

Sound and vibration

Look for misfires

White blasting cord

Report to foreman

Cone/mark/secure area

Determine need for gradall work

Contact foreman

Contact gradall operator

Barring techniques

Use body weight

Change body position

Bar outside of basket

Hold end of bar in palm of hand

Do not bar over the boom

Never scale against rib when there is no escape route from falling rock

9. Driving Equipment

Turn head lights on

Follow speed limit - 15 mph

Production equipment has right-of-way

Obey/follow signs

Beware of oncoming traffic

Show caution at corners

Sound audible alarm before moving

Be aware of other equipment

Communicate intentions to co-workers

Use low gear when descending grade

Monitor air pressure on brakes

Monitor road conditions

Winter - be aware of ice

Roadways and roof

Can use strobe light bounce to indicate rib

Allow time for eye adjustment

JLG

Lock boom in place before driving

Turn head lights on

Follow speed limit - 15 mph

Production equipment has right-of-way

Wear safety harness

Obey/follow signs

Beware of oncoming traffic

Show caution at corners

Sound audible alarm before moving

Be aware of other equipment

Communicate intentions to co-workers

Monitor road conditions

Winter - be aware of ice

Roadways and roof

Can use strobe light bounce to indicate rib

Allow time for eye adjustment

Explain all Operating Controls

Drive in reverse (basket first)

Enter Sub-topic

Title

Hand Scaler

Subject

-

Company

-

Author

debbie combs

Version

27

Comments

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