Work Zone Safety
What does a reflective orange triangle represent
•Proper name(s) of the product
•Chemical family that the product is associated with
•Name of the manufacturing company
•Phone numbers for contacting the manufacturer
Name 3 different uses of equipment and what specific jobs they would do on the job site.
examples, snow and lawn and it is used for pushing snow. trenching and using it for pipe laying
What are the three methods to prevent cave ins
shoring, shielding and sloping
maximum amount of gas that osha allows outside of safety cabinet
25 gallons
What does the color red represent when it comes to safety
Immediate and sever danger
Name two things you would find in Section 9 physical and chemical properties
•Appearance
•Solid, liquid, or gas
•Boiling point
•Melting point
•Flash point
•How the product reacts to different temperatures and pressures
What are 3 general points of safety to remember when operating equipment. Example: 3 points of contact when entering and exiting equipment
-know ops manual
-capacities and limitations of machine
-learn controls
-safety devices
-fasten seatbelt
-no one can ride in equipment
-operate equipment smoothly
-put on parking brake
-3 points of contact
What does the color marker green represent (flags or spray paint)
Sewer
What does loam consist of
sand, clay and organic matter
What is the second area in a Temporary Traffic Control Zone
Transition Zone
Section 10 is -
Stability and Reactivity
List 5 items that should be checked daily
Many answers are excepted, shae will decide
slab off
Explain the difference between shoring and shielding
shielding does not prevent cave ins but a trench box shields the workers
shoring the trench box becomes the wall and there are no cave ins
Have someone stand up and demonstrate how you let traffic proceed using a flag
Stand up, flag pointed down and the arm waving them on
What are the 4 entry points they give special instructions for in the first aid section
ingestion-inhalation-skin-eyes
What are the three conditions you can get when exposed to hot weather
heat exhaustion
heat cramps
heat stroke
What are 2 types of material that classify as a type b soil
angular gravel
silt
sandy loam
unstable rock
any type a soil that has been disturbed
List 6 items of PPE
shae will decide
What are the definitions of
Danger:
Warning:
Caution
Danger: Immediate hazard if not avoided it will cause death or major injury
Warning: Potential hazard if not avoided will cause serious death and major injury
Caution: Hazards if not avoided will cause minor injury
What color respirator do you need for ammonia
Green
How many feet away does your machine need to be when working near 500-700KV
35 feet
Name 4 rules that apply to the use of ladders in a trench
-one ladder every 25 feet
-another ladder added if there are over 25 workers
-min 3 feet above
-nonconductive sides
-must be inspected
-stable and level surfaces
-label do not use if broken
-secure ladder
-do not carry heavy objects while using ladder
What are the 4 areas of TTC
advanced warning
transition
activity
termination