Fire in the Hole!
This is the minimum distance a marker line must be placed from the edge of the highwall before work begins- you must also tie off with a safety harness if you cross it
7 Feet
What color flag should be on the top of buggy whips
Orange- per the Tier I
Which of these common tasks is NOT considered "Hot Work" : cutting, welding, grinding, thawing water pipes
Thawing water pipes
Rigging equipment must be immediately removed from service if this information is missing or not legible
Rigging capacity tags
T/F- I can use a chain hoist/ come-a-long if the safety latch is missing?
False
At what distance are you allowed to smoke or carry a flame-producing product around explosives
50 Ft.
Tru or False- Per the Division Tier II, whips and strobes are required anywhere beyond the office (where there is an opportunity to interact with larger equipment)
True
After how many minutes of an active fire is MSHA notification required for surface and for underground (2 answers required)
30- Surface, 10- Underground
What is the best practice distance for a berm at the base of a highwall?
25 % of the highwall height
Does a missing rated capacity tag take a come-a-long out of service? yes or no
Yes
A blast can not be detonated after this time of day with VP/GM approval
4:00 pm
Each anchor point used for fall arrest must hold a minimum of _____ lbs. per person
5,000 lbs.
A Fire Watch must monitor the area after hot work is done for a minimum of 30 minutes. When does that time requirement increase to 1 hour?
If the hot work was completed on equipment containing combustible materials, like screens, lined chutes, etc.
When should a workplace exam occur? 2 answers, must have both.
A. Before work begins, B. throughout the shift while work is being performed
How often should a come-a-long be inspected? Must have all 3 answers
Before using, periodically, annually
If explosives are left in a hole for this long without being detonated, the appropriate MSHA office must be notified
72 Hours
What 4 PPE components are required when striking a hardened metal object against a hardened metal object
Face Shield, Hex armor jacket, Hex armor chaps, cut resistant gloves
A material with a flashpoint below 100 degrees is defined as this
Flammable
When mobile equipment is backfilling a trench, no one is allowed in the trench within this distance from the equipment.
2 Equipment Lengths
What are the three main causes of come-a-long/chain hoist accidents?
Overloading, improper rigging, line of fire
If a misfire is suspected, you must wait this long before entering the area if electronic detonators were used
30 minutes
For working around water- Coast Guard approved Type ___, ____, or ____ PFDs are required per the Corporate Tier I
type 2, type 3, Type 5
What is the minimum distance you must maintain from (a) explosive materials and (b) easily ignitable combustible materials to avoid needing a hot work permit?
A. 50 feet, B. 35 feet
What two common body movements are relatively safe when you do them separately, but when you combine them (especially while lifting), they become the number one risk factor for an acute back injury?
Bending and Twisting
For cheater bars, what length is allowed when using a come-a-long?
Trick question- cheater bars are NOT allowed