Shared Flashcard Set

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Construction Safety Test
Construction
19
Other
Undergraduate 2
03/04/2010

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Cards

Term
Active forms?
Definition
1. Anchorage
2. Lifelines
3. Lanyard
4. Body Support
5. Connecting Hardware
6. Nets (both)
Term
What is Trigger Height?
Definition
The height exposure at which fall protection is needed.
Term
What is a fall hazard?
Definition
Zone in which a sudden drop or structural collapse is reasonably possible as a result of a misstep, tripping, slipping, or some other design flaw other then human frailty.
Term
What is cohesion?
Definition
The soils stickiness (like clay)
Term
What is a shear?
Definition
Engineering term used to describe forces that seem to slide past each other along a given surface called a failure plane.
Term
What is sloping?
Definition
Means to remove soil while still maintaining its stability.
Term
Fall Hazards?
Definition
Tower contruction, holes, scaffold, sky lights
Term
What is the Hierarchy of fall protection?
Definition
Hazzard of elimination, fall prevention, fall arrest, monitoring techniques.
Term
List some trigger heights?
Definition
1/2 inch overlap scaffolding
3/16 stair riser lip
4 foot general edges
6 foot construction
10 foot support scaffolds
15 foot steel erections
30 foot steel erections
Term
How do you calculate scaffolding load?
Definition
length x width x times weight of scaffolding (light=25, medium = 50, heavy= 75)
Term
What are the 3 load ranges?
Definition
Light - 25
Medium - 50
Heavy - 75
Term
Electrical reaction to the body Table 1?
Definition
1 MA Faint tingle
5 Ma Not painful
6-25 MA Painful, muscular reaction
9-30 MA Frozen to conductor
50-100 MA Extreme pain, respirator distress
100-200 MA Ventricular fibrillation
Above 200 MA Cardiac arrest, severe burns
Term
What are the three causes of electrical hazards?
Definition
1.Unsafe equipment and or instalation
2. Workplaces made unsafe by enviroment
3. Unsafe work practices
Term
What is a GFCI?
Definition
Ground fault protection
Term
What is the most common form of shock?
Definition
Ground fault
Term
What does it mean to de-energize equipment?
Definition
Lockout/Tagout
Term
What are the external factors that influence soil sability?
Definition
Water,vibration, disturbed soil seepage, layering, depth, time, weather
Term
Which soils are cohesive?
Definition
Cohesive are clay
Term
What does water do to a soils shear strength?
Definition
Water acts as a lubricant and travels upward against gravity and disrupt particle to particle attraction causeing soil to expand!
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