Term
| OSHA says: Slips, trips and falls cause: |
|
Definition
-the majority of general industry accidents
-15% of all accidental deaths
-more fatalities than all other causes except motor vehicles |
|
|
Term
| What constitutes a work surface? |
|
Definition
| anywhere a worker can stand, walk, work or climb. ex floors, work platforms, stairs, ladders, lifts, scaffolds |
|
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Term
| Aisles and passageways need to: |
|
Definition
-be kept clear
-have marked passageways
-be wide enough to accomodate equipment |
|
|
Term
| housekeeping says that: hint (C,O,S) |
|
Definition
workplaces must be kept clean orderly and sanitary
floors must be clean and dry as possible |
|
|
Term
| floor loading requirements: |
|
Definition
-load ratings must be clearly marked and not exceeded
-safety factor of 4 for OSHA |
|
|
Term
|
Definition
| leading edges, unprotected egdes, floor openings, wall openings, holes |
|
|
Term
| Name 3 Fall protection options |
|
Definition
guard rails
personal fall arrest systems
safety nets |
|
|
Term
| how high must you be to need fall protection? |
|
Definition
| i have no fucking clue... |
|
|
Term
| What are 3 disadvantages of safety nets? |
|
Definition
| Costly to install, use is limited, must test |
|
|
Term
| what does a guard rail consist of? |
|
Definition
| A standard railing consists of a top rail, mid rail and 8ft posts. 42 inches between the top rail and floor mid rail height is 21 inches |
|
|
Term
| what does a standard toe board consist of? |
|
Definition
| 4 inches high, no more than 1/4 inch clearance about floor, 200 lbs. pressure |
|
|
Term
what do you do if you have a floor hole?
what dimensions can a floor hole have |
|
Definition
IN ITS LEAST DIMENSION; 1-12 inches, someone can walk or potentially fall must be guarded by a
standard railing with toeboard
or a cover with a cleat |
|
|
Term
| what constitutes a floor opening? |
|
Definition
| 12+ inches in its least dimension thru which persons may fall. (includes stairway openings) |
|
|
Term
| what angle must stairs have? |
|
Definition
|
|
Term
| how many steps are needed to install steps? |
|
Definition
| 4+ risers, handrail, stairrail |
|
|
Term
| what angle are ramps built with? |
|
Definition
| less than 30 degrees from horizon |
|
|
Term
| what are the 3 types of ladders? |
|
Definition
| Single (extension), step ladders, fixed ladders |
|
|
Term
| how high can a ramp be before it needs a railing? |
|
Definition
| a ramp drop of 4 ft + needs a gaurdrail |
|
|
Term
| fixed ladders must have : |
|
Definition
| a cage or well, a clearance, a self retracting lifeline |
|
|
Term
| foot protection in PPE can come in the form of: |
|
Definition
| steel toed boots, metatarsal sheilds etc |
|
|
Term
| head protection can include: |
|
Definition
|
|
Term
| what is the general rule when using hearing protection |
|
Definition
|
|
Term
| what can face protection be used to combat? |
|
Definition
| impact, heat, dust, radiant, chemical |
|
|
Term
| what are the two types of eye and face protection? |
|
Definition
primary (goggles)
secondary (face mask) |
|
|
Term
| what are the two types of respiratory protection? |
|
Definition
air-purifying
air-supplied |
|
|
Term
| what are the 2 types of air purifying respirators? |
|
Definition
| negative pressure and positive pressure |
|
|
Term
| what are two types of effects of mechanical vibration? |
|
Definition
|
|
Term
| what does biomechanics mean in relevance to vibration? |
|
Definition
| body segment resonance; amplification of vibratory motion |
|
|
Term
|
Definition
| tissue stress, voluntary and involuntary muscle response |
|
|
Term
|
Definition
| the tendency of a system to oscillate with high amplitude when excited by energy at a certain frequency (aka resonant frequency) |
|
|
Term
| what is a physiological effect of vibration? |
|
Definition
| cardiac rhthym, respiratory rhythm, blood circulation, vasoconstriction, etc |
|
|
Term
| what are some pathological effects of vibration? |
|
Definition
| musculoskeletal injuries, hand-arm vibration syndrome |
|
|
Term
| List HAV (hand arm vibration) health effects |
|
Definition
HAVS
permanent damage
damaage to:
-vascular system (white finger)
-sensory nerves
-muscles
-bones
-joints |
|
|
Term
| what are the symptoms of raynauds syndrome? |
|
Definition
triggered by exposure to cold or wet environments
-white fingertips
-numb, tingling fingers (pins and needles)
whiteness may change to a deep red flush
-often painful |
|
|
Term
| what is sensory nerve damage? |
|
Definition
damage to the nerves in fingers affect sense of touch and temp perception
-permanent numbness or tingling in fingers |
|
|
Term
| muscle, joint and bone damage symptoms: |
|
Definition
| less strength in hands, pain in wrists and arms |
|
|
Term
| what reduces blood circulation? |
|
Definition
smoking! smoking reduces blood flow
keep warm, wear gloves esp if cold, exercise extremities |
|
|
Term
| What types of noise cause the most disruption? |
|
Definition
irregular, unpredictable noise
continuous noise wont have much effect, unless very intense |
|
|
Term
| What type of frequency (high or low) produces more interferance? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| noise damage occurs in the ____________ and is _________ and _________ |
|
Definition
| inner ear, permanent, irreversible |
|
|
Term
| noise induced hearing loss is caused by: |
|
Definition
| explosion or long term exposure to moderate noise levels |
|
|
Term
| what does a sound survey do? |
|
Definition
-determines noise level in work area
-estimates potential of Noise induced hearing loss |
|
|
Term
| What is the OSHA standard for 8hr TWA noise exposure |
|
Definition
|
|
Term
| If 8hr TWA is >85-90dBa then what is required? |
|
Definition
a hearing conservation program
HCP |
|
|
Term
| If 8hr TWA is >90dBa what is required? |
|
Definition
| engineering or administrative controls |
|
|
Term
| What does a HCP, hearing conservation program consist of? |
|
Definition
| noise monitoring, audiometric testing, worker training, PPE, follow-up/recordkeeping, engineering/admin controls |
|
|
Term
| what are the 4 P's of hearing loss? |
|
Definition
| painless, progressive, permanent, preventable |
|
|
Term
| What are 3 ways to control or reduce noise? |
|
Definition
control the
source, pathway, and reciever |
|
|
Term
| what is the threshold of pain? |
|
Definition
|
|
Term
| list some hearing protective devices: |
|
Definition
|
|
Term
| what are the 2 types of ventilation systems? |
|
Definition
| general/dilution ventilation and local exhaust ventilation (LEV) |
|
|
Term
|
Definition
capture/contain contaminants at the source
consists of a hood,duct,air cleaner, and fan |
|
|
Term
| What is the difference between general/dilution and LEV? |
|
Definition
| LEV removes contaminants, general dilutes them |
|
|
Term
| when is natural ventilation not appropriate? |
|
Definition
| processes which emit dust, fumes, mists, or gas, chemical storage areas |
|
|
Term
| what are the limitations of general/dilution ventilation? |
|
Definition
| costly, large amount of air needed, heat and cool, contaminant moves across breathing zones, flammable may fall back into range |
|
|
Term
| what are some advantages of using LEV? |
|
Definition
| near complete capture of contaminant, low volume of air requ'd, low cost, more efficient the closer it is, some mobile types |
|
|
Term
| what are some disadvantages of LEV? |
|
Definition
| complex, limited mobility, can be costly if needed at multiple locations |
|
|
Term
| what is the equation for ventilation |
|
Definition
Q=VA
*remember to measure the radii (1/2 the width) in feet and multiply that by pi |
|
|
Term
| what are some types of air cleaning devices? |
|
Definition
| mechanical separaters, electrostatic precipitaters, wet scrubber, fabric filters |
|
|
Term
| what does bleve stand for? |
|
Definition
| boiling liquid expanding vapor explosion |
|
|
Term
| name two types of boilers |
|
Definition
fire tube-combustion gase in tubes
water tube- water in tubes |
|
|
Term
| what are some problems with solid fuels in bleves? |
|
Definition
| coal may contain impurities and cause problems with plugging and bridging |
|
|
Term
| what are some safety systems that BLEVE's use? |
|
Definition
| fuel safety shutoff, combustion safeguard, programmed combustion safeguard, flame sensor, gas analyzer, oxygen analyzer |
|
|
Term
| what is electrical shock? |
|
Definition
| direct electrocution-fatal |
|
|
Term
|
Definition
| the force or pressure that causes electricity to flow through a conductor |
|
|
Term
| name the two types of current |
|
Definition
| direct current DC and alternating current AC |
|
|
Term
|
Definition
| the purpose of the equipment grounding conductor is to prevent electrocution in the event of a faultor short circuit in the tool or equpiment |
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